fix: default token only on public github (#157 )

* fix: default token only on public github * docs: document token
[autofix.ci] apply automated fixes
2026-01-16 15:46:22 +01:00 · 2026-01-16 03:38:02 +00:00 · 2026-01-15 19:37:24 -08:00 · 2026-01-05 12:45:25 +01:00 · 2026-01-05 01:16:53 +01:00 · 2026-01-05 00:03:34 +01:00
28 changed files with 2580 additions and 383 deletions
--- a/.github/actions/compare-bun-version/action.yml
+++ b/.github/actions/compare-bun-version/action.yml
@@ -0,0 +1,86 @@
+name: ⚖️ Compare Bun Version
+description: Compare the installed Bun version against a version specification.
+
+inputs:
+  bun-version:
+    description: The version spec to compare against (e.g., '1.1.0', 'canary', '>1.2.0', '1.x').
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: 🛠️ Get installed Bun version and revision
+      id: bun
+      shell: bash
+      run: |
+        echo "version=$(bun --version | tr -d '\r\n')" >> $GITHUB_OUTPUT
+        echo "revision=$(bun --revision 2>/dev/null || true)" >> $GITHUB_OUTPUT
+
+    - name: ⚖️ Compare versions
+      shell: bash
+      env:
+        REQUESTED_SPEC: ${{ inputs.bun-version }}
+        ACTUAL_VERSION: ${{ steps.bun.outputs.version }}
+        ACTUAL_REVISION: ${{ steps.bun.outputs.revision }}
+      run: |
+        set -euo pipefail
+
+        # Function to compare two semantic versions (e.g., version_compare 1.2.3 1.10.0)
+        # Returns: 0 if v1 == v2, 1 if v1 > v2, 2 if v1 < v2
+        version_compare() {
+          if [[ "$1" == "$2" ]]; then return 0; fi
+          local lowest=$(printf '%s\n' "$1" "$2" | sort -V | head -n1)
+          if [[ "$1" == "$lowest" ]]; then return 2; else return 1; fi
+        }
+
+        echo "Requested spec: ${REQUESTED_SPEC}"
+        echo "Actual version: ${ACTUAL_VERSION}"
+
+        # Case 1: 'latest' - always passes
+        if [[ "${REQUESTED_SPEC}" == "latest" ]]; then
+          echo "OK: Skipping explicit version check for 'latest'."
+          exit 0
+        fi
+
+        # Case 2: 'canary' - check for 'canary' in revision or version string
+        if [[ "${REQUESTED_SPEC}" == "canary" ]]; then
+          if [[ "${ACTUAL_REVISION}" == *canary* ]] || [[ "${ACTUAL_VERSION}" == *canary* ]]; then
+            echo "OK: Detected canary build (version: ${ACTUAL_VERSION}, revision: ${ACTUAL_REVISION:-n/a})."
+            exit 0
+          else
+            echo "Error: Expected a canary build, but got ${ACTUAL_VERSION} (revision: ${ACTUAL_REVISION:-n/a})."
+            exit 1
+          fi
+        fi
+
+        # Case 3: Semver ranges (e.g., >1.0.0, <2, 1.x, 1.1.0)
+        op_part=$(echo "${REQUESTED_SPEC}" | sed -E 's/^([><=]*).*/\1/')
+        version_part=$(echo "${REQUESTED_SPEC}" | sed -E 's/^[><= ]*//')
+
+        op="${op_part:-==}"
+        version_base="${version_part//.x/}"
+
+        # Handle wildcards like '1.x' or '1'
+        if [[ "${version_part}" == *.x* ]] || { [[ ! "${version_part}" == *.* ]] && [[ "${op}" == "==" ]]; }; then
+           if [[ "${ACTUAL_VERSION}" == "${version_base}" || "${ACTUAL_VERSION}" == "${version_base}".* ]]; then
+              echo "OK: Version ${ACTUAL_VERSION} matches wildcard spec '${REQUESTED_SPEC}'."
+              exit 0
+           else
+              echo "Error: Version ${ACTUAL_VERSION} does not match wildcard spec '${REQUESTED_SPEC}'."
+              exit 1
+           fi
+        fi
+
+        # Perform comparison for >, <, >=, <=, ==
+        version_compare "${ACTUAL_VERSION}" "${version_part}" && result=0 || result=$?
+
+        case "${op}" in
+          '==') if [[ ${result} -ne 0 ]]; then echo "Error: Expected version ${version_part}, but got ${ACTUAL_VERSION}." && exit 1; fi ;;
+          '>')  if [[ ${result} -ne 1 ]]; then echo "Error: Expected version > ${version_part}, but got ${ACTUAL_VERSION}." && exit 1; fi ;;
+          '<')  if [[ ${result} -ne 2 ]]; then echo "Error: Expected version < ${version_part}, but got ${ACTUAL_VERSION}." && exit 1; fi ;;
+          '>=') if [[ ${result} -eq 2 ]]; then echo "Error: Expected version >= ${version_part}, but got ${ACTUAL_VERSION}." && exit 1; fi ;;
+          '<=') if [[ ${result} -eq 1 ]]; then echo "Error: Expected version <= ${version_part}, but got ${ACTUAL_VERSION}." && exit 1; fi ;;
+          *)    echo "Error: Unsupported operator '${op}' in spec '${REQUESTED_SPEC}'." && exit 1 ;;
+        esac
+
+        echo "OK: Version ${ACTUAL_VERSION} satisfies spec '${REQUESTED_SPEC}'."
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -14,17 +14,19 @@ jobs:
  format:
    runs-on: ubuntu-latest
    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20.x
-      - name: Install Dependencies
-        run: npm install
-      - name: Format
+      - name: 📥 Checkout
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+
+      - name: 🛠️ Setup Bun
+        uses: ./
+
+      - name: 📦 Install Dependencies
+        run: bun install
+
+      - name: 🧹 Format
        run: |
-          npm run format
-          npm run build
-      - name: Commit
-        uses: autofix-ci/action@d3e591514b99d0fca6779455ff8338516663f7cc
+          bun run format
+          bun run build
+
+      - name: 💾 Commit
+        uses: autofix-ci/action@551dded8c6cc8a1054039c8bc0b8b48c51dfc6ef
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,25 +1,27 @@
-name: Release new action version
+name: 🚀 Release new action version

 on:
  release:
    types: [released]
+
  workflow_dispatch:
    inputs:
      TAG_NAME:
-        description: 'Tag name that the major tag will point to'
+        description: Tag name that the major tag will point to
        required: true

-env:
-  TAG_NAME: ${{ github.event.inputs.TAG_NAME || github.event.release.tag_name }}
+permissions:
+  contents: write

 jobs:
  update_tag:
    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - uses: actions/checkout@v4

-      - uses: actions/publish-action@v0.3.0
+    steps:
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+
+      - uses: actions/publish-action@f784495ce78a41bac4ed7e34a73f0034015764bb # v0.3.0
+        env:
+          TAG_NAME: ${{ github.event.inputs.TAG_NAME || github.event.release.tag_name }}
        with:
          source-tag: ${{ env.TAG_NAME }}
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,4 +1,4 @@
-name: Test
+name: 🧪 Test

 on:
  workflow_dispatch:
@@ -8,18 +8,51 @@ on:
      - main

 permissions:
-  contents: read
+  contents: write

 jobs:
+  remove-cache:
+    runs-on: ubuntu-latest
+    permissions: write-all
+    steps:
+      - name: 📥 Checkout
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+
+      - name: 🗑️ Remove cache
+        run: gh cache delete --all || true
+        env:
+          GH_TOKEN: ${{ github.token }}
+
+  tests:
+    name: Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+
+      - name: Setup Bun
+        uses: ./
+        with:
+          no-cache: true
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run tests
+        run: bun test --coverage
+
  setup-bun:
    runs-on: ${{ matrix.os }}
    continue-on-error: true
+    needs: [remove-cache, tests]
+
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
+          - windows-11-arm
        bun-version:
          - latest
          - canary
@@ -28,98 +61,223 @@ jobs:
          - "1"
          - "> 1.0.0"
          - "< 2"
+          # https://github.com/oven-sh/setup-bun/issues/37
+          # - "1.x"
+          # - "1"
+          # - "> 1.0.0"
+          # - "< 2"
          # Disable <sha> support for now. This is because Github Artifacts
          # expire after 90 days, and we don't have another source of truth yet.
          # - "822a00c4d508b54f650933a73ca5f4a3af9a7983" # 1.0.0 commit
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4

-      - name: Setup Bun
+    steps:
+      - name: 📥 Checkout
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+
+      - name: 🛠️ Setup Bun
        uses: ./
        id: setup_bun
        with:
          bun-version: ${{ matrix.bun-version }}
+          no-cache: true

-      - name: Run Bun
+      - name: ▶️ Run Bun
        id: run_bun
        run: |
          bun --version

-  setup-bun-from-package-json-version:
+      - name: ⚖️ Verify Bun version
+        uses: ./.github/actions/compare-bun-version
+        with:
+          bun-version: ${{ matrix.bun-version }}
+
+  setup-bun-from-file:
+    name: setup-bun from (${{ matrix.os }}, ${{ matrix.file.name }})
    runs-on: ${{ matrix.os }}
+    continue-on-error: true
+    needs: [remove-cache, tests]
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
-        packageManager:
-          - bun@1.1.0
-          - yarn@bun@1.1.0
+          - windows-11-arm
+
+        file:
+          - name: package.json (packageManager bun@1.1.0)
+            file: package.json
+            run: |
+              echo "$(jq '. += {"packageManager": "bun@1.1.0"}' package.json)" > package.json
+
+          - name: foo/package.json (packageManager bun@1.1.0)
+            file: foo/package.json
+            run: |
+              mkdir -p foo
+              echo "$(jq '. += {"packageManager": "bun@1.1.0"}' package.json)" > foo/package.json
+
+          - name: package.json (packageManager yarn@bun@1.1.0)
+            file: package.json
+            run: |
+              echo "$(jq '. += {"packageManager": "yarn@bun@1.1.0"}' package.json)" > package.json
+
+          - name: package.json (engines bun@1.1.0)
+            file: package.json
+            run: |
+              echo "$(jq '.engines = {"bun": "1.1.0"}' package.json)" > package.json
+
+          - name: .tool-versions (bun 1.1.0)
+            file: .tool-versions
+            run: echo "bun 1.1.0" > .tool-versions
+
+          - name: .tool-versions (bun1.1.0)
+            file: .tool-versions
+            run: echo "bun1.1.0" > .tool-versions
+
+          - name: .tool-versions (bun  1.1.0)
+            file: .tool-versions
+            run: echo "bun 1.1.0" > .tool-versions
+
+          - name: .bumrc (1.1.0)
+            file: .bumrc
+            run: echo "1.1.0" > .bumrc
+
+          - name: .bun-version (1.1.0)
+            file: .bun-version
+            run: echo "1.1.0" > .bun-version
+
    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - name: 📥 Checkout
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4

-      - name: Setup package.json
-        shell: bash
-        run: |
-          echo "$(jq '. += {"packageManager": "${{ matrix.packageManager }}"}' package.json)" > package.json
+      - name: 📄 Setup file
+        run: ${{ matrix.file.run }}

-      - name: Setup Bun
+      - name: 🛠️ Setup Bun
        uses: ./
+        with:
+          bun-version-file: ${{ matrix.file.file }}
+          no-cache: true

-      - name: Run Bun
-        id: bun
-        shell: bash
-        run: |
-          bun --version
-          echo "version=$(bun --version)" >> $GITHUB_OUTPUT
+      - name: ⚖️ Compare versions
+        uses: ./.github/actions/compare-bun-version
+        with:
+          bun-version: "1.1.0"

-      - name: Check version
-        shell: bash
-        run: |
-          if [[ "${{ steps.bun.outputs.version }}" == "1.1.0" ]]; then
-            echo "Version is 1.1.0"
-          else
-            echo "Expected version to be 1.1.0, got ${{ steps.bun.outputs.version }}"
-            exit 1
-          fi
-  setup-bun-from-tool-versions:
+  setup-bun-from-package-json-without-specified-field:
+    name: setup-bun from (${{ matrix.os }}, ${{ matrix.file.name }}) without specified field
    runs-on: ${{ matrix.os }}
+    continue-on-error: true
+    needs: [remove-cache, tests]
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
-        content:
-          - "bun 1.1.0"
-          - "bun1.1.0"
+          - windows-11-arm
+
+        file:
+          - name: package.json (packageManager bun@1.1.0)
+            file: package.json
+            run: |
+              echo "$(jq '. += {"packageManager": "bun@1.1.0"}' package.json)" > package.json
+
+          - name: package.json (packageManager yarn@bun@1.1.0)
+            file: package.json
+            run: |
+              echo "$(jq '. += {"packageManager": "yarn@bun@1.1.0"}' package.json)" > package.json
+
+          - name: package.json (engines bun@1.1.0)
+            file: package.json
+            run: |
+              echo "$(jq '.engines = {"bun": "1.1.0"}' package.json)" > package.json
+
    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Setup package.json
-        shell: bash
-        run: |
-          echo "bun ${{ matrix.content }}" > .tool-versions
+      - name: 📥 Checkout
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4

-      - name: Setup Bun
+      - name: 📄 Setup file
+        run: ${{ matrix.file.run }}
+
+      - name: 🛠️ Setup Bun
        uses: ./
+        with:
+          no-cache: true

-      - name: Run Bun
-        id: bun
-        shell: bash
+      - name: ⚖️ Compare versions
+        uses: ./.github/actions/compare-bun-version
+        with:
+          bun-version: "1.1.0"
+
+  setup-bun-download-url:
+    name: setup-bun from (${{ matrix.os }}, download url)
+    runs-on: ${{ matrix.os }}
+    continue-on-error: true
+    needs: [remove-cache, tests]
+
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+
+    steps:
+      - name: 📥 Checkout
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+
+      - name: 🛠️ Setup Bun
+        uses: ./
+        id: setup_bun
+        with:
+          bun-download-url: "https://github.com/oven-sh/bun/releases/latest/download/bun-${{runner.os == 'macOS' && 'darwin' || runner.os}}-${{ runner.arch == 'X64' && 'x64' || 'aarch64' }}.zip"
+
+      - name: ▶️ Run Bun
+        id: run_bun
        run: |
          bun --version
-          echo "version=$(bun --version)" >> $GITHUB_OUTPUT

-      - name: Check version
-        shell: bash
+  test-custom-registries:
+    name: test installing deps from custom registries (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    continue-on-error: true
+    needs: [remove-cache, tests]
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+
+    steps:
+      - name: 📥 Checkout
+        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+
+      - name: 🛠️ Setup Bun
+        uses: ./
+        id: setup_bun
+        with:
+          registries: |
+            https://registry.npmjs.org
+            @types:https://registry.yarnpkg.com
+
+      - name: ▶️ Install from default registry
        run: |
-          if [[ "${{ steps.bun.outputs.version }}" == "1.1.0" ]]; then
-            echo "Version is 1.1.0"
+          output=$(bun add is-odd --verbose --force 2>&1)
+
+          if echo "$output" | grep -q "HTTP/1.1 GET https://registry.npmjs.org/is-odd"; then
+            echo "Successfully installed from default registry"
          else
-            echo "Expected version to be 1.1.0, got ${{ steps.bun.outputs.version }}"
+            echo "Failed to install from default registry"
+            exit 1
+          fi
+
+      - name: ▶️ Install from @types registry
+        run: |
+          output=$(bun add @types/bun --verbose --force 2>&1)
+
+          if echo "$output" | grep -q "HTTP/1.1 GET https://registry.yarnpkg.com/@types%2fbun"; then
+            echo "Successfully installed from @types registry"
+          else
+            echo "Failed to install from @types registry"
            exit 1
          fi
--- a/.prettierrc
+++ b/.prettierrc
@@ -0,0 +1,4 @@
+{
+  "semi": true,
+  "quoteProps": "preserve"
+}
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -0,0 +1,3 @@
+{
+  "recommendations": ["esbenp.prettier-vscode", "github.vscode-github-actions"]
+}
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -0,0 +1,12 @@
+{
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "search.exclude": {
+    "dist/**": true
+  },
+  // Lock changes to these files
+  "files.readonlyInclude": {
+    "dist/**": true,
+    "bun.lock": true,
+    "package-lock.json": true
+  },
+}
--- a/README.md
+++ b/README.md
@@ -5,46 +5,95 @@ Download, install, and setup [Bun](https://bun.sh) in GitHub Actions.
 ## Usage

 ```yaml
- uses: oven-sh/setup-bun@v1
+- uses: oven-sh/setup-bun@v2
+```
+
+By default, if no version is specified, the action will:
+
+1. Check `package.json` for the `packageManager` field (e.g., `"packageManager": "bun@1.0.25"`)
+2. If `packageManager` doesn't exist, check `package.json` for `engines.bun`
+3. If neither exists or `package.json` is not found, use `latest`
+
+You can also explicitly specify a version:
+
+```yaml
+- uses: oven-sh/setup-bun@v2
  with:
    bun-version: latest
 ```

-### Using a custom NPM registry
+## Using version file

 ```yaml
- uses: oven-sh/setup-bun@v1
+- uses: oven-sh/setup-bun@v2
  with:
-    registry-url: "https://npm.pkg.github.com/"
-    scope: "@foo"
+    bun-version-file: ".bun-version"
 ```

-If you need to authenticate with a private registry, you can set the `BUN_AUTH_TOKEN` environment variable.
+## Using custom registries
+
+You can configure multiple package registries using the `registries` input. This supports both default and scoped registries with various authentication methods.
+
+### Registry configuration

 ```yaml
- name: Install Dependencies
+- uses: oven-sh/setup-bun@v2
+  with:
+    registries: |
+      https://registry.npmjs.org/
+      @myorg:https://npm.pkg.github.com/|$GITHUB_TOKEN
+      @internal:https://username:$INTERNAL_PASSWORD@registry.internal.com/
+
+- name: Install dependencies
  env:
-    BUN_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
-  run: bun install --frozen-lockfile
+    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    INTERNAL_PASSWORD: ${{ secrets.INTERNAL_PASSWORD }}
+  run: bun install
 ```

-### Node.js not needed
+#### Registry format options

-In most cases, you shouldn't need to use the [setup-node](https://github.com/actions/setup-node) GitHub Action.
+| Type                                 | Format                                                    |
+| ------------------------------------ | --------------------------------------------------------- |
+| Default registry                     | `https://registry.example.com/`                           |
+| Default registry with token          | `https://registry.example.com/\|$TOKEN`                   |
+| Scoped registry                      | `@scope:https://registry.example.com/`                    |
+| Scoped registry with token           | `@scope:https://registry.example.com/\|$TOKEN`            |
+| Scoped registry with URL credentials | `@scope:https://username:$PASSWORD@registry.example.com/` |
+
+> [!IMPORTANT]
+> When using authentication, make sure to set the corresponding environment variables in your workflow steps that need access to the registries.
+
+For more information about configuring registries in Bun, see the [official documentation](https://bun.sh/docs/install/registries).
+
+### Override download url
+
+If you need to override the download URL, you can use the `bun-download-url` input.
+
+```yaml
+- uses: oven-sh/setup-bun@v2
+  with:
+    bun-download-url: "https://github.com/oven-sh/bun/releases/latest/download/bun-linux-x64.zip"
+```

 ## Inputs

-| Name           | Description                                        | Default     | Examples                        |
-| -------------- | -------------------------------------------------- | ----------- | ------------------------------- |
-| `bun-version`  | The version of Bun to download and install.        | `latest`    | `canary`, `1.0.0`, `1.0.x`      |
-| `registry-url` | Registry URL where some private package is stored. | `undefined` | `"https://npm.pkg.github.com/"` |
-| `scope`        | Scope for private packages.                        | `undefined` | `"@foo"`, `"@orgname"`          |
-| `no-cache`     | Disable caching of the downloaded executable.      | `false`     | `true`, `false`                 |
+| Name               | Description                                                                       | Default                                  | Examples                                         |
+| ------------------ | --------------------------------------------------------------------------------- | ---------------------------------------- | ------------------------------------------------ |
+| `bun-version`      | The version of Bun to download and install.                                       | Version from `package.json`, or `latest` | `canary`, `1.0.0`, `1.0.x`                       |
+| `bun-version-file` | The version of Bun to download and install from file.                             | `undefined`                              | `package.json`, `.bun-version`, `.tool-versions` |
+| `bun-download-url` | URL to download .zip file for Bun release                                         |                                          |                                                  |
+| `registry-url`     | Registry URL where some private package is stored.                                | `undefined`                              | `"https://npm.pkg.github.com/"`                  |
+| `scope`            | Scope for private packages.                                                       | `undefined`                              | `"@foo"`, `"@orgname"`                           |
+| `no-cache`         | Disable caching of the downloaded executable.                                     | `false`                                  | `true`, `false`                                  |
+| `token`            | Personal access token (PAT) used to fetch tags from the `oven-sh/bun` repository. | `${{ github.token }}`                    | `${{ secrets.GITHUB_TOKEN }}`                    |

 ## Outputs

-| Name           | Description                                | Example          |
-| -------------- | ------------------------------------------ | ---------------- |
-| `cache-hit`    | If the Bun executable was read from cache. | `true`           |
-| `bun-version`  | The output from `bun --version`.           | `1.0.0`          |
-| `bun-revision` | The output from `bun --revision`.          | `1.0.0+822a00c4` |
+| Name               | Description                                | Example                                                            |
+| ------------------ | ------------------------------------------ | ------------------------------------------------------------------ |
+| `bun-version`      | The output from `bun --version`.           | `1.0.0`                                                            |
+| `bun-revision`     | The output from `bun --revision`.          | `1.0.0+822a00c4`                                                   |
+| `bun-path`         | The path to the Bun executable.            | `/path/to/bun`                                                     |
+| `bun-download-url` | The URL from which Bun was downloaded.     | `https://bun.sh/download/latest/linux/x64?avx2=true&profile=false` |
+| `cache-hit`        | If the Bun executable was read from cache. | `true`                                                             |
--- a/action.yml
+++ b/action.yml
@@ -1,31 +1,61 @@
 name: Setup Bun
 description: Download, install, and setup Bun to your path.
 author: robobun
+
 branding:
  icon: play-circle
  color: white
+
 inputs:
  bun-version:
-    description: 'The version of Bun to install. (e.g. "latest", "canary", "1.0.0", "1.0.x", <sha>)'
+    description: The version of Bun to install. (e.g. "latest", "canary", "1.0.0", "1.0.x", <sha>)
+    required: false
+  bun-version-file:
+    description: The version of Bun to install from file. (e.g. "package.json", ".bun-version", ".tool-versions")
+    default: null
+    required: false
+  bun-download-url:
+    description: Override the URL to download Bun from. This skips version resolution and verifying AVX2 support.
+    required: false
+  registries:
+    description: |
+      List of package registries with authentication support. Format:
+      - Default registry: https://registry.npmjs.org/
+      - Default with token: https://registry.npmjs.org/|token
+      - Scoped registry: @scope:https://registry.example.com/
+      - Scoped with token: @scope:https://registry.example.com/|token
+      - Scoped with credentials: @scope:https://user:pass@registry.example.com/
    required: false
  registry-url:
    required: false
-    description: "The URL of the package registry to use for installing Bun. Set the $BUN_AUTH_TOKEN environment variable to authenticate with the registry."
+    description: The URL of the package registry to use for installing Bun. Set the $BUN_AUTH_TOKEN environment variable to authenticate with the registry.
+    deprecationMessage: "Use 'registries' input instead."
  scope:
    required: false
    description: "The scope for authenticating with the package registry."
+    deprecationMessage: "Use 'registries' input instead."
  no-cache:
    required: false
    type: boolean
    default: false
-    description: "Disable caching of bun executable."
+    description: Disable caching of bun executable.
+  token:
+    required: false
+    default: ${{ github.server_url == 'https://github.com' && github.token || '' }}
+    description: Personal access token (PAT) used to fetch tags from oven-sh/bun repository. Recommended for resolving wildcard/range versions to avoid GitHub API rate limiting. When running this action on github.com, the default value is sufficient. When running on GHES, you can pass a personal access token for github.com if you are experiencing rate limiting.
+
 outputs:
  bun-version:
    description: The version of Bun that was installed.
  bun-revision:
    description: The revision of Bun that was installed.
+  bun-path:
+    description: The path to the Bun executable.
+  bun-download-url:
+    description: The URL from which Bun was downloaded.
  cache-hit:
    description: If the version of Bun was cached.
+
 runs:
  using: "node20"
  main: "dist/setup/index.js"
--- a/bun.lock
+++ b/bun.lock
@@ -0,0 +1,239 @@
+{
+  "lockfileVersion": 1,
+  "configVersion": 0,
+  "workspaces": {
+    "": {
+      "name": "setup-bun",
+      "dependencies": {
+        "@actions/cache": "^4.0.0",
+        "@actions/core": "^1.11.0",
+        "@actions/exec": "^1.1.1",
+        "@actions/glob": "^0.4.0",
+        "@actions/io": "^1.1.2",
+        "@actions/tool-cache": "^2.0.1",
+        "@iarna/toml": "^2.2.5",
+        "compare-versions": "^6.1.1",
+      },
+      "devDependencies": {
+        "@types/bun": "^1.1.13",
+        "@types/node": "^20.8.2",
+        "esbuild": "^0.19.2",
+        "prettier": "^3.4.2",
+        "typescript": "^4.9.5",
+      },
+    },
+  },
+  "patchedDependencies": {
+    "compare-versions@6.1.1": "patches/compare-versions@6.1.1.patch",
+  },
+  "overrides": {
+    "form-data": "^4.0.4",
+  },
+  "packages": {
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+    "es-errors": ["es-errors@1.3.0", "", {}, "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw=="],
+
+    "es-object-atoms": ["es-object-atoms@1.1.1", "", { "dependencies": { "es-errors": "^1.3.0" } }, "sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA=="],
+
+    "es-set-tostringtag": ["es-set-tostringtag@2.1.0", "", { "dependencies": { "es-errors": "^1.3.0", "get-intrinsic": "^1.2.6", "has-tostringtag": "^1.0.2", "hasown": "^2.0.2" } }, "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA=="],
+
+    "esbuild": ["esbuild@0.19.2", "", { "optionalDependencies": { "@esbuild/android-arm": "0.19.2", "@esbuild/android-arm64": "0.19.2", "@esbuild/android-x64": "0.19.2", "@esbuild/darwin-arm64": "0.19.2", "@esbuild/darwin-x64": "0.19.2", "@esbuild/freebsd-arm64": "0.19.2", "@esbuild/freebsd-x64": "0.19.2", "@esbuild/linux-arm": "0.19.2", "@esbuild/linux-arm64": "0.19.2", "@esbuild/linux-ia32": "0.19.2", "@esbuild/linux-loong64": "0.19.2", "@esbuild/linux-mips64el": "0.19.2", "@esbuild/linux-ppc64": "0.19.2", "@esbuild/linux-riscv64": "0.19.2", "@esbuild/linux-s390x": "0.19.2", "@esbuild/linux-x64": "0.19.2", "@esbuild/netbsd-x64": "0.19.2", "@esbuild/openbsd-x64": "0.19.2", "@esbuild/sunos-x64": "0.19.2", "@esbuild/win32-arm64": "0.19.2", "@esbuild/win32-ia32": "0.19.2", "@esbuild/win32-x64": "0.19.2" }, "bin": "bin/esbuild" }, ""],
+
+    "event-target-shim": ["event-target-shim@5.0.1", "", {}, ""],
+
+    "events": ["events@3.3.0", "", {}, ""],
+
+    "form-data": ["form-data@4.0.5", "", { "dependencies": { "asynckit": "^0.4.0", "combined-stream": "^1.0.8", "es-set-tostringtag": "^2.1.0", "hasown": "^2.0.2", "mime-types": "^2.1.12" } }, "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w=="],
+
+    "function-bind": ["function-bind@1.1.2", "", {}, "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA=="],
+
+    "get-intrinsic": ["get-intrinsic@1.3.0", "", { "dependencies": { "call-bind-apply-helpers": "^1.0.2", "es-define-property": "^1.0.1", "es-errors": "^1.3.0", "es-object-atoms": "^1.1.1", "function-bind": "^1.1.2", "get-proto": "^1.0.1", "gopd": "^1.2.0", "has-symbols": "^1.1.0", "hasown": "^2.0.2", "math-intrinsics": "^1.1.0" } }, "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ=="],
+
+    "get-proto": ["get-proto@1.0.1", "", { "dependencies": { "dunder-proto": "^1.0.1", "es-object-atoms": "^1.0.0" } }, "sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g=="],
+
+    "gopd": ["gopd@1.2.0", "", {}, "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg=="],
+
+    "has-symbols": ["has-symbols@1.1.0", "", {}, "sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ=="],
+
+    "has-tostringtag": ["has-tostringtag@1.0.2", "", { "dependencies": { "has-symbols": "^1.0.3" } }, "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw=="],
+
+    "hasown": ["hasown@2.0.2", "", { "dependencies": { "function-bind": "^1.1.2" } }, "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ=="],
+
+    "math-intrinsics": ["math-intrinsics@1.1.0", "", {}, "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g=="],
+
+    "mime-db": ["mime-db@1.52.0", "", {}, ""],
+
+    "mime-types": ["mime-types@2.1.35", "", { "dependencies": { "mime-db": "1.52.0" } }, ""],
+
+    "minimatch": ["minimatch@3.0.8", "", { "dependencies": { "brace-expansion": "^1.1.7" } }, ""],
+
+    "node-fetch": ["node-fetch@2.7.0", "", { "dependencies": { "whatwg-url": "^5.0.0" }, "peerDependencies": { "encoding": "^0.1.0" }, "optionalPeers": ["encoding"] }, ""],
+
+    "prettier": ["prettier@3.4.2", "", { "bin": "bin/prettier.cjs" }, "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ=="],
+
+    "process": ["process@0.11.10", "", {}, ""],
+
+    "sax": ["sax@1.2.4", "", {}, ""],
+
+    "semver": ["semver@6.3.1", "", { "bin": "bin/semver.js" }, ""],
+
+    "tr46": ["tr46@0.0.3", "", {}, ""],
+
+    "tslib": ["tslib@2.6.2", "", {}, ""],
+
+    "tunnel": ["tunnel@0.0.6", "", {}, ""],
+
+    "typescript": ["typescript@4.9.5", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, ""],
+
+    "undici-types": ["undici-types@5.26.5", "", {}, "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="],
+
+    "uuid": ["uuid@3.4.0", "", { "bin": "bin/uuid" }, ""],
+
+    "webidl-conversions": ["webidl-conversions@3.0.1", "", {}, ""],
+
+    "whatwg-url": ["whatwg-url@5.0.0", "", { "dependencies": { "tr46": "~0.0.3", "webidl-conversions": "^3.0.0" } }, ""],
+
+    "xml2js": ["xml2js@0.5.0", "", { "dependencies": { "sax": ">=0.6.0", "xmlbuilder": "~11.0.0" } }, ""],
+
+    "xmlbuilder": ["xmlbuilder@11.0.1", "", {}, ""],
+
+    "@actions/cache/@actions/glob": ["@actions/glob@0.1.2", "", { "dependencies": { "@actions/core": "^1.2.6", "minimatch": "^3.0.4" } }, ""],
+
+    "@azure/core-http/uuid": ["uuid@8.3.2", "", { "bin": "dist/bin/uuid" }, ""],
+
+    "@azure/ms-rest-js/tslib": ["tslib@1.14.1", "", {}, ""],
+
+    "@azure/ms-rest-js/uuid": ["uuid@8.3.2", "", { "bin": "dist/bin/uuid" }, ""],
+
+    "@protobuf-ts/plugin/typescript": ["typescript@3.9.10", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q=="],
+
+    "@protobuf-ts/plugin-framework/typescript": ["typescript@3.9.10", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q=="],
+  }
+}
--- a/bun.lockb
+++ b/bun.lockb
--- a/bunfig.toml
+++ b/bunfig.toml
@@ -0,0 +1,2 @@
+[install]
+saveTextLockfile = true
--- a/dist/cache-save/index.js
+++ b/dist/cache-save/index.js
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,33 +1,37 @@
 {
  "name": "setup-bun",
-  "version": "1.2.1",
+  "version": "2.1.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "setup-bun",
-      "version": "1.2.1",
+      "version": "2.1.0",
      "license": "MIT",
      "dependencies": {
-        "@actions/cache": "^3.1.4",
-        "@actions/core": "^1.10.0",
+        "@actions/cache": "^4.0.0",
+        "@actions/core": "^1.11.0",
        "@actions/exec": "^1.1.1",
        "@actions/glob": "^0.4.0",
        "@actions/io": "^1.1.2",
-        "@actions/tool-cache": "^2.0.1"
+        "@actions/tool-cache": "^2.0.1",
+        "@iarna/toml": "^2.2.5",
+        "compare-versions": "^6.1.1"
      },
      "devDependencies": {
+        "@types/bun": "^1.1.13",
        "@types/node": "^20.8.2",
        "esbuild": "^0.19.2",
-        "prettier": "^2.8.4",
+        "prettier": "^3.4.2",
        "typescript": "^4.9.5"
      }
    },
    "node_modules/@actions/cache": {
-      "version": "3.2.2",
-      "license": "MIT",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/@actions/cache/-/cache-4.0.3.tgz",
+      "integrity": "sha512-SvrqFtYJ7I48A/uXNkoJrnukx5weQv1fGquhs3+4nkByZThBH109KTIqj5x/cGV7JGNvb8dLPVywUOqX1fjiXg==",
      "dependencies": {
-        "@actions/core": "^1.10.0",
+        "@actions/core": "^1.11.1",
        "@actions/exec": "^1.0.1",
        "@actions/glob": "^0.1.0",
        "@actions/http-client": "^2.1.1",
@@ -35,8 +39,8 @@
        "@azure/abort-controller": "^1.1.0",
        "@azure/ms-rest-js": "^2.6.0",
        "@azure/storage-blob": "^12.13.0",
-        "semver": "^6.1.0",
-        "uuid": "^3.3.3"
+        "@protobuf-ts/plugin": "^2.9.4",
+        "semver": "^6.3.1"
      }
    },
    "node_modules/@actions/cache/node_modules/@actions/glob": {
@@ -48,18 +52,12 @@
      }
    },
    "node_modules/@actions/core": {
-      "version": "1.10.1",
-      "license": "MIT",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.11.1.tgz",
+      "integrity": "sha512-hXJCSrkwfA46Vd9Z3q4cpEpHB1rL5NG04+/rbqW9d3+CSvtB1tYe8UTpAlixa1vj0m/ULglfEK2UKxMGxCxv5A==",
      "dependencies": {
-        "@actions/http-client": "^2.0.1",
-        "uuid": "^8.3.2"
-      }
-    },
-    "node_modules/@actions/core/node_modules/uuid": {
-      "version": "8.3.2",
-      "license": "MIT",
-      "bin": {
-        "uuid": "dist/bin/uuid"
+        "@actions/exec": "^1.1.1",
+        "@actions/http-client": "^2.0.1"
      }
    },
    "node_modules/@actions/exec": {
@@ -145,18 +143,6 @@
        "node": ">=14.0.0"
      }
    },
-    "node_modules/@azure/core-http/node_modules/form-data": {
-      "version": "4.0.0",
-      "license": "MIT",
-      "dependencies": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.8",
-        "mime-types": "^2.1.12"
-      },
-      "engines": {
-        "node": ">= 6"
-      }
-    },
    "node_modules/@azure/core-http/node_modules/uuid": {
      "version": "8.3.2",
      "license": "MIT",
@@ -261,6 +247,57 @@
        "node": ">=14.0.0"
      }
    },
+    "node_modules/@esbuild/android-arm": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.19.2.tgz",
+      "integrity": "sha512-tM8yLeYVe7pRyAu9VMi/Q7aunpLwD139EY1S99xbQkT4/q2qa6eA4ige/WJQYdJ8GBL1K33pPFhPfPdJ/WzT8Q==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/android-arm64": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.19.2.tgz",
+      "integrity": "sha512-lsB65vAbe90I/Qe10OjkmrdxSX4UJDjosDgb8sZUKcg3oefEuW2OT2Vozz8ef7wrJbMcmhvCC+hciF8jY/uAkw==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/android-x64": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.19.2.tgz",
+      "integrity": "sha512-qK/TpmHt2M/Hg82WXHRc/W/2SGo/l1thtDHZWqFq7oi24AjZ4O/CpPSu6ZuYKFkEgmZlFoa7CooAyYmuvnaG8w==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
    "node_modules/@esbuild/darwin-arm64": {
      "version": "0.19.2",
      "cpu": [
@@ -276,6 +313,318 @@
        "node": ">=12"
      }
    },
+    "node_modules/@esbuild/darwin-x64": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/darwin-x64/-/darwin-x64-0.19.2.tgz",
+      "integrity": "sha512-tP+B5UuIbbFMj2hQaUr6EALlHOIOmlLM2FK7jeFBobPy2ERdohI4Ka6ZFjZ1ZYsrHE/hZimGuU90jusRE0pwDw==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/freebsd-arm64": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-arm64/-/freebsd-arm64-0.19.2.tgz",
+      "integrity": "sha512-YbPY2kc0acfzL1VPVK6EnAlig4f+l8xmq36OZkU0jzBVHcOTyQDhnKQaLzZudNJQyymd9OqQezeaBgkTGdTGeQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "freebsd"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/freebsd-x64": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-x64/-/freebsd-x64-0.19.2.tgz",
+      "integrity": "sha512-nSO5uZT2clM6hosjWHAsS15hLrwCvIWx+b2e3lZ3MwbYSaXwvfO528OF+dLjas1g3bZonciivI8qKR/Hm7IWGw==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "freebsd"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/linux-arm": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-arm/-/linux-arm-0.19.2.tgz",
+      "integrity": "sha512-Odalh8hICg7SOD7XCj0YLpYCEc+6mkoq63UnExDCiRA2wXEmGlK5JVrW50vZR9Qz4qkvqnHcpH+OFEggO3PgTg==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/linux-arm64": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-arm64/-/linux-arm64-0.19.2.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/linux-ia32": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-ia32/-/linux-ia32-0.19.2.tgz",
+      "integrity": "sha512-mLfp0ziRPOLSTek0Gd9T5B8AtzKAkoZE70fneiiyPlSnUKKI4lp+mGEnQXcQEHLJAcIYDPSyBvsUbKUG2ri/XQ==",
+      "cpu": [
+        "ia32"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/linux-loong64": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-loong64/-/linux-loong64-0.19.2.tgz",
+      "integrity": "sha512-hn28+JNDTxxCpnYjdDYVMNTR3SKavyLlCHHkufHV91fkewpIyQchS1d8wSbmXhs1fiYDpNww8KTFlJ1dHsxeSw==",
+      "cpu": [
+        "loong64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/linux-mips64el": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-mips64el/-/linux-mips64el-0.19.2.tgz",
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+        "mips64el"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@esbuild/linux-ppc64": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-ppc64/-/linux-ppc64-0.19.2.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
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+      "engines": {
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+      }
+    },
+    "node_modules/@esbuild/linux-riscv64": {
+      "version": "0.19.2",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-riscv64/-/linux-riscv64-0.19.2.tgz",
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+        "riscv64"
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+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
+      "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
+      "license": "MIT",
+      "dependencies": {
+        "has-symbols": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/hasown": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
+      "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/math-intrinsics": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
+      "integrity": "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
      }
    },
    "node_modules/mime-db": {
@@ -473,14 +1108,16 @@
      }
    },
    "node_modules/prettier": {
-      "version": "2.8.8",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.2.tgz",
+      "integrity": "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==",
      "dev": true,
      "license": "MIT",
      "bin": {
-        "prettier": "bin-prettier.js"
+        "prettier": "bin/prettier.cjs"
      },
      "engines": {
-        "node": ">=10.13.0"
+        "node": ">=14"
      },
      "funding": {
        "url": "https://github.com/prettier/prettier?sponsor=1"
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
  "private": true,
  "name": "setup-bun",
-  "version": "1.2.1",
+  "version": "2.1.0",
  "description": "Setup Bun on GitHub Actions.",
  "keywords": [
    "bun",
@@ -18,24 +18,30 @@
  "author": "xHyroM",
  "scripts": {
    "format": "prettier --write src *.yml *.json *.md",
-    "build": "esbuild --target=node20 --outfile=dist/setup/index.js --bundle --minify --platform=node --format=cjs src/index.ts && esbuild --target=node20 --outfile=dist/cache-save/index.js --bundle --minify --platform=node --format=cjs src/cache-save.ts",
+    "build": "esbuild --target=node20 --outfile=dist/setup/index.js --bundle --keep-names --minify --platform=node --format=cjs src/index.ts && esbuild --target=node20 --outfile=dist/cache-save/index.js --bundle --keep-names --minify --platform=node --format=cjs src/cache-save.ts",
    "start": "npm run build && node dist/setup/index.js"
  },
  "dependencies": {
-    "@actions/cache": "^3.1.4",
-    "@actions/core": "^1.10.0",
+    "@actions/cache": "^4.0.0",
+    "@actions/core": "^1.11.0",
    "@actions/exec": "^1.1.1",
    "@actions/glob": "^0.4.0",
    "@actions/io": "^1.1.2",
-    "@actions/tool-cache": "^2.0.1"
+    "@actions/tool-cache": "^2.0.1",
+    "@iarna/toml": "^2.2.5",
+    "compare-versions": "^6.1.1"
  },
  "devDependencies": {
+    "@types/bun": "^1.1.13",
    "@types/node": "^20.8.2",
    "esbuild": "^0.19.2",
-    "prettier": "^2.8.4",
+    "prettier": "^3.4.2",
    "typescript": "^4.9.5"
  },
-  "prettier": {
-    "quoteProps": "preserve"
+  "patchedDependencies": {
+    "compare-versions@6.1.1": "patches/compare-versions@6.1.1.patch"
+  },
+  "overrides": {
+    "form-data": "^4.0.4"
  }
 }
--- a/patches/compare-versions@6.1.1.patch
+++ b/patches/compare-versions@6.1.1.patch
@@ -0,0 +1,67 @@
+diff --git a/lib/esm/satisfies.js b/lib/esm/satisfies.js
+index 7586b71657332f855431c4dd4f05e9394fd9aac3..a6ec29bfc98907c67ed4af71fca73bd8bff88798 100644
+--- a/lib/esm/satisfies.js
+++ b/lib/esm/satisfies.js
+@@ -40,8 +40,9 @@ export const satisfies = (version, range) => {
+     // else range of either "~" or "^" is assumed
+     const [v1, v2, v3, , vp] = validateAndParse(version);
+     const [r1, r2, r3, , rp] = validateAndParse(range);
+-    const v = [v1, v2, v3];
+    const v = [v1, v2 !== null && v2 !== void 0 ? v2 : 'x', v3 !== null && v3 !== void 0 ? v3 : 'x'];
+     const r = [r1, r2 !== null && r2 !== void 0 ? r2 : 'x', r3 !== null && r3 !== void 0 ? r3 : 'x'];
+
+     // validate pre-release
+     if (rp) {
+         if (!vp)
+diff --git a/lib/esm/utils.js b/lib/esm/utils.js
+index b5cc8b9927ab38fc67032c133b531e95ec4cec15..ec56105fd2d806aa922f1488a27b02c56aff1865 100644
+--- a/lib/esm/utils.js
+++ b/lib/esm/utils.js
+@@ -28,7 +28,7 @@ const compareStrings = (a, b) => {
+ };
+ export const compareSegments = (a, b) => {
+     for (let i = 0; i < Math.max(a.length, b.length); i++) {
+-        const r = compareStrings(a[i] || '0', b[i] || '0');
+        const r = compareStrings(a[i] || 'x', b[i] || 'x');
+         if (r !== 0)
+             return r;
+     }
+diff --git a/lib/umd/index.js b/lib/umd/index.js
+index 2cfef261bca520e21ed41fc14950732b8aa6339b..1059784db86635f3aaaba83b5a72c5015e1d8490 100644
+--- a/lib/umd/index.js
+++ b/lib/umd/index.js
+@@ -152,7 +152,7 @@
+         // else range of either "~" or "^" is assumed
+         const [v1, v2, v3, , vp] = validateAndParse(version);
+         const [r1, r2, r3, , rp] = validateAndParse(range);
+-        const v = [v1, v2, v3];
+        const v = [v1, v2 !== null && v2 !== void 0 ? v2 : 'x', v3 !== null && v3 !== void 0 ? v3 : 'x'];
+         const r = [r1, r2 !== null && r2 !== void 0 ? r2 : 'x', r3 !== null && r3 !== void 0 ? r3 : 'x'];
+         // validate pre-release
+         if (rp) {
+diff --git a/package.json b/package.json
+index b05b3daf706d7ba4e594233f8791fc3007a8e2cd..e51e76b86f95e9ebf0b5dba3b82aeb119628528d 100644
+--- a/package.json
+++ b/package.json
+@@ -26,7 +26,7 @@
+     "prepublishOnly": "npm run build",
+     "test": "c8 --reporter=lcov mocha"
+   },
+-  "main": "./lib/umd/index.js",
+  "main": "./lib/src/index.ts",
+   "module": "./lib/esm/index.js",
+   "types": "./lib/esm/index.d.ts",
+   "sideEffects": false,
+diff --git a/src/satisfies.ts b/src/satisfies.ts
+index 66cb171d7f32e68fdda6929d2da223b97a053737..6b4973f037843f264338a01efdc4ace5dcf042cd 100644
+--- a/src/satisfies.ts
+++ b/src/satisfies.ts
+@@ -43,7 +43,7 @@ export const satisfies = (version: string, range: string): boolean => {
+   // else range of either "~" or "^" is assumed
+   const [v1, v2, v3, , vp] = validateAndParse(version);
+   const [r1, r2, r3, , rp] = validateAndParse(range);
+-  const v = [v1, v2, v3];
+  const v = [v1, v2 ?? 'x', v3 ?? 'x'];
+   const r = [r1, r2 ?? 'x', r3 ?? 'x'];
+ 
+   // validate pre-release
--- a/src/action.ts
+++ b/src/action.ts
@@ -1,3 +1,4 @@
+import { createHash } from "node:crypto";
 import { homedir } from "node:os";
 import { join } from "node:path";
 import {
@@ -6,14 +7,18 @@ import {
  symlinkSync,
  renameSync,
  copyFileSync,
+  existsSync,
 } from "node:fs";
 import { addPath, info, warning } from "@actions/core";
 import { isFeatureAvailable, restoreCache } from "@actions/cache";
 import { downloadTool, extractZip } from "@actions/tool-cache";
 import { getExecOutput } from "@actions/exec";
+import { Registry } from "./registry";
 import { writeBunfig } from "./bunfig";
 import { saveState } from "@actions/core";
-import { retry } from "./utils";
+import { addExtension } from "./utils";
+import { getDownloadUrl } from "./download-url";
+import { cwd } from "node:process";

 export type Input = {
  customUrl?: string;
@@ -22,14 +27,16 @@ export type Input = {
  arch?: string;
  avx2?: boolean;
  profile?: boolean;
-  scope?: string;
-  registryUrl?: string;
+  registries?: Registry[];
  noCache?: boolean;
+  token?: string;
 };

 export type Output = {
  version: string;
  revision: string;
+  bunPath: string;
+  url: string;
  cacheHit: boolean;
 };

@@ -41,10 +48,10 @@ export type CacheState = {
 };

 export default async (options: Input): Promise<Output> => {
-  const bunfigPath = join(process.cwd(), "bunfig.toml");
-  writeBunfig(bunfigPath, options);
+  const bunfigPath = join(cwd(), "bunfig.toml");
+  writeBunfig(bunfigPath, options.registries);

-  const url = getDownloadUrl(options);
+  const url = await getDownloadUrl(options);
  const cacheEnabled = isCacheEnabled(options);

  const binPath = join(homedir(), ".bun", "bin");
@@ -70,30 +77,44 @@ export default async (options: Input): Promise<Output> => {

  let revision: string | undefined;
  let cacheHit = false;
-  if (cacheEnabled) {
-    const cacheRestored = await restoreCache([bunPath], url);
-    if (cacheRestored) {
-      revision = await getRevision(bunPath);
-      if (revision) {
-        cacheHit = true;
-        info(`Using a cached version of Bun: ${revision}`);
-      } else {
-        warning(
-          `Found a cached version of Bun: ${revision} (but it appears to be corrupted?)`
-        );
-      }
+
+  // Check if Bun executable already exists and matches requested version
+  if (!options.customUrl && existsSync(bunPath)) {
+    const existingRevision = await getRevision(bunPath);
+    if (existingRevision && isVersionMatch(existingRevision, options.version)) {
+      revision = existingRevision;
+      cacheHit = true; // Treat as cache hit to avoid unnecessary network requests
+      info(`Using existing Bun installation: ${revision}`);
    }
  }

-  if (!cacheHit) {
-    info(`Downloading a new version of Bun: ${url}`);
-    // TODO: remove this, temporary fix for https://github.com/oven-sh/setup-bun/issues/73
-    revision = await retry(async () => await downloadBun(url, bunPath), 3);
+  if (!revision) {
+    if (cacheEnabled) {
+      const cacheKey = createHash("sha1").update(url).digest("base64");
+
+      const cacheRestored = await restoreCache([bunPath], cacheKey);
+      if (cacheRestored) {
+        revision = await getRevision(bunPath);
+        if (revision) {
+          cacheHit = true;
+          info(`Using a cached version of Bun: ${revision}`);
+        } else {
+          warning(
+            `Found a cached version of Bun: ${revision} (but it appears to be corrupted?)`,
+          );
+        }
+      }
+    }
+
+    if (!cacheHit) {
+      info(`Downloading a new version of Bun: ${url}`);
+      revision = await downloadBun(url, bunPath);
+    }
  }

  if (!revision) {
    throw new Error(
-      "Downloaded a new version of Bun, but failed to check its version? Try again."
+      "Downloaded a new version of Bun, but failed to check its version? Try again.",
    );
  }

@@ -111,15 +132,41 @@ export default async (options: Input): Promise<Output> => {
  return {
    version,
    revision,
+    bunPath,
+    url,
    cacheHit,
  };
 };

+function isVersionMatch(
+  existingRevision: string,
+  requestedVersion?: string,
+): boolean {
+  // If no version specified, default is "latest" - don't match existing
+  if (!requestedVersion) {
+    return false;
+  }
+
+  // Non-pinned versions should never match existing installations
+  if (/^(latest|canary|action)$/i.test(requestedVersion)) {
+    return false;
+  }
+
+  const [existingVersion] = existingRevision.split("+");
+
+  const normalizeVersion = (v: string) => v.replace(/^v/i, "");
+
+  return (
+    normalizeVersion(existingVersion) === normalizeVersion(requestedVersion)
+  );
+}
+
 async function downloadBun(
  url: string,
-  bunPath: string
+  bunPath: string,
 ): Promise<string | undefined> {
-  const zipPath = await downloadTool(url);
+  // Workaround for https://github.com/oven-sh/setup-bun/issues/79 and https://github.com/actions/toolkit/issues/1179
+  const zipPath = addExtension(await downloadTool(url), ".zip");
  const extractedZipPath = await extractZip(zipPath);
  const extractedBunPath = await extractBun(extractedZipPath);
  try {
@@ -147,24 +194,6 @@ function isCacheEnabled(options: Input): boolean {
  return isFeatureAvailable();
 }

-function getDownloadUrl(options: Input): string {
-  const { customUrl } = options;
-  if (customUrl) {
-    return customUrl;
-  }
-  const { version, os, arch, avx2, profile } = options;
-  const eversion = encodeURIComponent(version ?? "latest");
-  const eos = encodeURIComponent(os ?? process.platform);
-  const earch = encodeURIComponent(arch ?? process.arch);
-  const eavx2 = encodeURIComponent(avx2 ?? true);
-  const eprofile = encodeURIComponent(profile ?? false);
-  const { href } = new URL(
-    `${eversion}/${eos}/${earch}?avx2=${eavx2}&profile=${eprofile}`,
-    "https://bun.sh/download/"
-  );
-  return href;
-}
-
 async function extractBun(path: string): Promise<string> {
  for (const entry of readdirSync(path, { withFileTypes: true })) {
    const { name } = entry;
--- a/src/bunfig.ts
+++ b/src/bunfig.ts
@@ -1,50 +1,81 @@
-import { EOL } from "node:os";
-import { appendFileSync } from "node:fs";
+import { existsSync, readFileSync, writeFileSync } from "node:fs";
 import { info } from "@actions/core";
+import { parse, stringify } from "@iarna/toml";
+import { Registry } from "./registry";

-type BunfigOptions = {
-  registryUrl?: string;
-  scope?: string;
+type BunfigConfig = {
+  install?: {
+    registry?: {
+      url: string;
+      token?: string;
+    };
+    scopes?: Record<string, { url: string; token?: string }>;
+  };
+  [key: string]: any;
 };

-export function createBunfig(options: BunfigOptions): string | null {
-  const { registryUrl, scope } = options;
-
-  let url: URL | undefined;
-  if (registryUrl) {
-    try {
-      url = new URL(registryUrl);
-    } catch {
-      throw new Error(`Invalid registry-url: ${registryUrl}`);
-    }
-  }
-
-  let owner: string | undefined;
-  if (scope) {
-    owner = scope.startsWith("@")
-      ? scope.toLocaleLowerCase()
-      : `@${scope.toLocaleLowerCase()}`;
-  }
-
-  if (url && owner) {
-    return `[install.scopes]${EOL}'${owner}' = { token = "$BUN_AUTH_TOKEN", url = "${url}"}${EOL}`;
-  }
-
-  if (url && !owner) {
-    return `[install]${EOL}registry = "${url}"${EOL}`;
-  }
-
-  return null;
-}
-
-export function writeBunfig(path: string, options: BunfigOptions): void {
-  const bunfig = createBunfig(options);
-  if (!bunfig) {
+export function writeBunfig(path: string, registries: Registry[]): void {
+  if (!registries.length) {
    return;
  }

-  info(`Writing bunfig.toml to '${path}'.`);
-  appendFileSync(path, bunfig, {
-    encoding: "utf8",
+  let globalRegistryCount = 0;
+  registries.forEach((registry) => {
+    try {
+      new URL(registry.url);
+    } catch {
+      throw new Error(`Invalid registry URL: ${registry.url}`);
+    }
+
+    if (!registry.scope) {
+      globalRegistryCount++;
+    }
  });
+
+  if (globalRegistryCount > 1) {
+    throw new Error("You can't have more than one global registry.");
+  }
+
+  info(`Writing bunfig.toml to '${path}'.`);
+
+  let config: BunfigConfig = {};
+  if (existsSync(path)) {
+    try {
+      const content = readFileSync(path, { encoding: "utf-8" });
+      config = parse(content) as BunfigConfig;
+    } catch (error) {
+      info(`Error reading existing bunfig: ${error.message}`);
+      config = {};
+    }
+  }
+
+  config.install = config?.install || {};
+  config.install.scopes = config?.install.scopes || {};
+
+  const globalRegistry = registries.find((r) => !r.scope);
+  if (globalRegistry) {
+    config.install.registry = {
+      url: globalRegistry.url,
+      ...(globalRegistry.token ? { token: globalRegistry.token } : {}),
+    };
+  }
+
+  for (const registry of registries) {
+    if (registry.scope) {
+      const scopeName = registry.scope.startsWith("@")
+        ? registry.scope.toLowerCase()
+        : `@${registry.scope.toLowerCase()}`;
+
+      config.install.scopes[scopeName] = {
+        url: registry.url,
+        ...(registry.token ? { token: registry.token } : {}),
+      };
+    }
+  }
+
+  if (Object.keys(config.install.scopes).length === 0) {
+    delete config.install.scopes;
+  }
+
+  writeFileSync(path, stringify(config), { encoding: "utf8" });
 }
--- a/src/cache-save.ts
+++ b/src/cache-save.ts
@@ -1,12 +1,14 @@
 import { saveCache } from "@actions/cache";
 import { getState, warning } from "@actions/core";
 import { CacheState } from "./action";
-
+import { createHash } from "node:crypto";
 (async () => {
  const state: CacheState = JSON.parse(getState("cache"));
  if (state.cacheEnabled && !state.cacheHit) {
+    const cacheKey = createHash("sha1").update(state.url).digest("base64");
+
    try {
-      await saveCache([state.bunPath], state.url);
+      await saveCache([state.bunPath], cacheKey);
      process.exit(0);
    } catch (error) {
      warning("Failed to save Bun to cache.");
--- a/src/download-url.ts
+++ b/src/download-url.ts
@@ -0,0 +1,69 @@
+import { compareVersions, satisfies, validate } from "compare-versions";
+import { Input } from "./action";
+import { getArchitecture, getAvx2, getPlatform, request } from "./utils";
+
+export async function getDownloadUrl(options: Input): Promise<string> {
+  const { customUrl } = options;
+  if (customUrl) {
+    return customUrl;
+  }
+
+  return await getSemverDownloadUrl(options);
+}
+
+async function getSemverDownloadUrl(options: Input): Promise<string> {
+  const res = (await (
+    await request("https://api.github.com/repos/oven-sh/bun/git/refs/tags", {
+      headers: options.token
+        ? { "Authorization": `Bearer ${options.token}` }
+        : {},
+    })
+  ).json()) as { ref: string }[];
+
+  let tags = res
+    .filter(
+      (tag) =>
+        tag.ref.startsWith("refs/tags/bun-v") || tag.ref === "refs/tags/canary",
+    )
+    .map((item) => item.ref.replace(/refs\/tags\/(bun-v)?/g, ""))
+    .filter(Boolean);
+
+  const { version, os, arch, avx2, profile } = options;
+
+  let tag = tags.find((t) => t === version);
+  if (!tag) {
+    tags = tags.filter((t) => validate(t)).sort(compareVersions);
+
+    const matchedTag =
+      version === "latest" || !version
+        ? tags.at(-1)
+        : tags.filter((t) => satisfies(t, version)).at(-1);
+
+    if (!matchedTag) {
+      throw new Error(`No Bun release found matching version '${version}'`);
+    }
+
+    tag = `bun-v${matchedTag}`;
+  } else if (validate(tag)) {
+    tag = `bun-v${tag}`;
+  }
+
+  const eversion = encodeURIComponent(tag ?? version);
+  const eos = encodeURIComponent(os ?? getPlatform());
+  const earch = encodeURIComponent(
+    getArchitecture(os ?? getPlatform(), arch ?? process.arch),
+  );
+  const eavx2 = encodeURIComponent(
+    getAvx2(os ?? getPlatform(), arch ?? process.arch, avx2) === false
+      ? "-baseline"
+      : "",
+  );
+  const eprofile = encodeURIComponent(profile === true ? "-profile" : "");
+
+  const { href } = new URL(
+    `${eversion}/bun-${eos}-${earch}${eavx2}${eprofile}.zip`,
+    "https://github.com/oven-sh/bun/releases/download/",
+  );
+
+  return href;
+}
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,75 +1,43 @@
 import { tmpdir } from "node:os";
-import { join } from "node:path";
-import { existsSync, readFileSync } from "node:fs";
-import {
-  getInput,
-  setOutput,
-  setFailed,
-  warning,
-  getBooleanInput,
-} from "@actions/core";
+import { getInput, setOutput, setFailed, getBooleanInput } from "@actions/core";
 import runAction from "./action.js";
+import { readVersionFromFile } from "./utils.js";
+import { parseRegistries } from "./registry.js";

 if (!process.env.RUNNER_TEMP) {
  process.env.RUNNER_TEMP = tmpdir();
 }

-function readVersionFromPackageJson(): string | undefined {
-  const cwd = process.env.GITHUB_WORKSPACE;
-  if (!cwd) {
-    return;
-  }
-  const path = join(cwd, "package.json");
-  try {
-    if (!existsSync(path)) {
-      return;
-    }
-    const { packageManager } = JSON.parse(readFileSync(path, "utf8"));
-    if (!packageManager?.includes("bun@")) {
-      return;
-    }
-    const [_, version] = packageManager.split("bun@");
-    return version;
-  } catch (error) {
-    const { message } = error as Error;
-    warning(`Failed to read package.json: ${message}`);
-  }
-}
+const registries = parseRegistries(getInput("registries"));

-function readVersionFromToolVersions(): string | undefined {
-  const cwd = process.env.GITHUB_WORKSPACE;
-  if (!cwd) {
-    return;
-  }
-  const path = join(cwd, ".tool-versions");
-  try {
-    if (!existsSync(path)) {
-      return;
-    }
+// Backwards compatibility for the `registry-url` and `scope` inputs
+const registryUrl = getInput("registry-url");
+const scope = getInput("scope");

-    const match = readFileSync(path, "utf8").match(/^bun\s(?<version>.*?)$/m);
-
-    return match?.groups?.version;
-  } catch (error) {
-    const { message } = error as Error;
-    warning(`Failed to read .tool-versions: ${message}`);
-  }
+if (registryUrl) {
+  registries.push({
+    url: registryUrl,
+    scope: scope,
+    token: "$BUN_AUTH_TOKEN",
+  });
 }

 runAction({
  version:
    getInput("bun-version") ||
-    readVersionFromPackageJson() ||
-    readVersionFromToolVersions() ||
+    readVersionFromFile(getInput("bun-version-file")) ||
+    readVersionFromFile("package.json", true) ||
    undefined,
  customUrl: getInput("bun-download-url") || undefined,
-  registryUrl: getInput("registry-url") || undefined,
-  scope: getInput("scope") || undefined,
+  registries: registries,
  noCache: getBooleanInput("no-cache") || false,
+  token: getInput("token"),
 })
-  .then(({ version, revision, cacheHit }) => {
+  .then(({ version, revision, bunPath, url, cacheHit }) => {
    setOutput("bun-version", version);
    setOutput("bun-revision", revision);
+    setOutput("bun-path", bunPath);
+    setOutput("bun-download-url", url);
    setOutput("cache-hit", cacheHit);
    process.exit(0);
  })
--- a/src/registry.ts
+++ b/src/registry.ts
@@ -0,0 +1,62 @@
+export type Registry = {
+  url: string;
+  scope: string;
+  token?: string;
+};
+
+/**
+ * Parse registries from the simplified format:
+ * - Default registry: https://registry.npmjs.org/
+ * - Default registry with token: https://registry.npmjs.org/|token123
+ * - With scope and credentials in URL: @myorg:https://username:password@registry.myorg.com/
+ * - With scope and separate token: @partner:https://registry.partner.com/|basic_token
+ */
+export function parseRegistries(input: string): Registry[] {
+  if (!input?.trim()) return [];
+
+  return input
+    .split("\n")
+    .map((line) => line.trim())
+    .filter(Boolean)
+    .map(parseLine)
+    .filter(Boolean) as Registry[];
+}
+
+function parseLine(line: string): Registry | null {
+  const scopeMatch = line.match(
+    /^(@[a-z0-9-_.]+|[a-z0-9-_.]+(?=:[a-z]+:\/\/)):(.+)$/i,
+  );
+
+  if (scopeMatch) {
+    const scope = scopeMatch[1];
+    const urlPart = scopeMatch[2].trim();
+
+    const [url, token] = urlPart.split("|", 2).map((p) => p?.trim());
+
+    try {
+      new URL(url);
+
+      return {
+        url,
+        scope,
+        ...(token && { token }),
+      };
+    } catch (e) {
+      throw new Error(`Invalid URL in registry configuration: ${url}`);
+    }
+  } else {
+    const [url, token] = line.split("|", 2).map((p) => p?.trim());
+
+    try {
+      new URL(url);
+
+      return {
+        url,
+        scope: "",
+        ...(token && { token }),
+      };
+    } catch (e) {
+      throw new Error(`Invalid URL in registry configuration: ${url}`);
+    }
+  }
+}
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,14 +1,131 @@
-export function retry<T>(
-  fn: () => Promise<T>,
-  retries: number,
-  timeout = 10000
-): Promise<T> {
-  return fn().catch((err) => {
-    if (retries <= 0) {
-      throw err;
-    }
-    return new Promise((resolve) => setTimeout(resolve, timeout)).then(() =>
-      retry(fn, retries - 1, timeout)
-    );
+import { debug, warning } from "@actions/core";
+import { info } from "node:console";
+import { existsSync, readFileSync, renameSync } from "node:fs";
+import { resolve, basename } from "node:path";
+
+export async function request(
+  url: string,
+  init?: RequestInit,
+): Promise<Response> {
+  const headers = new Headers(init?.headers);
+  if (!headers.has("User-Agent")) {
+    headers.set("User-Agent", "@oven-sh/setup-bun");
+  }
+
+  const res = await fetch(url, {
+    ...init,
+    headers,
  });
+  if (!res.ok) {
+    const body = await res.text().catch(() => "");
+    throw new Error(
+      `Failed to fetch url ${url}. (status code: ${res.status}, status text: ${res.statusText})${body ? `\n${body}` : ""}`,
+    );
+  }
+
+  return res;
+}
+
+export function addExtension(path: string, ext: string): string {
+  if (!path.endsWith(ext)) {
+    renameSync(path, path + ext);
+    return path + ext;
+  }
+
+  return path;
+}
+
+export function getPlatform(): string {
+  const platform = process.platform;
+  if (platform === "win32") return "windows";
+
+  return platform;
+}
+
+export function getArchitecture(os: string, arch: string): string {
+  if (os === "windows" && (arch === "aarch64" || arch === "arm64")) {
+    warning(
+      [
+        "⚠️ Bun does not provide native arm64 builds for Windows.",
+        "Using x64 baseline build which will run through Microsoft's x64 emulation layer.",
+        "This may result in reduced performance and potential compatibility issues.",
+        "💡 For best performance, consider using x64 Windows runners or other platforms with native support.",
+      ].join("\n"),
+    );
+
+    return "x64";
+  }
+
+  if (arch === "arm64") return "aarch64";
+  return arch;
+}
+
+export function getAvx2(os: string, arch: string, avx2?: boolean): boolean {
+  // Temporary workaround for absence of arm64 builds on Windows (#130)
+  if (os === "windows" && (arch === "aarch64" || arch === "arm64")) {
+    return false;
+  }
+
+  return avx2 ?? true;
+}
+
+const FILE_VERSION_READERS = {
+  "package.json": (content: string) => {
+    const pkg = JSON.parse(content);
+    return pkg.packageManager?.split("bun@")?.[1] ?? pkg.engines?.bun;
+  },
+  ".tool-versions": (content: string) =>
+    content.match(/^bun\s*(?<version>.*?)$/m)?.groups?.version,
+  ".bumrc": (content: string) => content, // https://github.com/owenizedd/bum
+  ".bun-version": (content: string) => content,
+};
+
+export function readVersionFromFile(
+  file: string,
+  silent = false,
+): string | undefined {
+  const cwd = process.env.GITHUB_WORKSPACE;
+  if (!cwd) {
+    return;
+  }
+
+  if (!file) {
+    return;
+  }
+
+  debug(`Reading version from ${file}`);
+
+  const path = resolve(cwd, file);
+  const base = basename(file);
+
+  if (!existsSync(path)) {
+    if (!silent) {
+      warning(`File ${path} not found`);
+    }
+    return;
+  }
+
+  const reader = FILE_VERSION_READERS[base] ?? (() => undefined);
+
+  let output: string | undefined;
+  try {
+    output = reader(readFileSync(path, "utf8"))?.trim();
+
+    if (!output) {
+      if (!silent) {
+        warning(`Failed to read version from ${file}`);
+      }
+      return;
+    }
+  } catch (error) {
+    const { message } = error as Error;
+    if (!silent) {
+      warning(`Failed to read ${file}: ${message}`);
+    }
+  } finally {
+    if (output) {
+      info(`Obtained version ${output} from ${file}`);
+      return output;
+    }
+  }
 }
--- a/tests/bunfig.spec.ts
+++ b/tests/bunfig.spec.ts
@@ -0,0 +1,291 @@
+import { afterEach, describe, expect, it } from "bun:test";
+import { existsSync, unlinkSync } from "node:fs";
+import { writeBunfig } from "../src/bunfig";
+import { EOL } from "os";
+
+describe("writeBunfig", () => {
+  const filePath = "bunfig_test.toml";
+
+  async function getFileAndContents() {
+    const file = Bun.file(filePath);
+    const contents = (await file.text()).split(EOL);
+
+    return { file, contents };
+  }
+
+  afterEach(() => {
+    if (existsSync(filePath)) unlinkSync(filePath);
+    console.log(`${filePath} was deleted`);
+  });
+
+  describe("when no bunfig_test.toml file exists", () => {
+    it("should create a new file with scopes content", async () => {
+      writeBunfig(filePath, [
+        {
+          url: "https://npm.pkg.github.com",
+          scope: "foo-bar",
+          token: "$BUN_AUTH_TOKEN",
+        },
+      ]);
+
+      const { file, contents } = await getFileAndContents();
+
+      expect(file.exists()).resolves.toBeTrue();
+
+      const expectedContents = [
+        '[install.scopes."@foo-bar"]',
+        'url = "https://npm.pkg.github.com"',
+        'token = "$BUN_AUTH_TOKEN"',
+        "",
+      ];
+
+      contents.forEach((content, index) =>
+        expect(content).toBe(expectedContents[index])
+      );
+
+      expect(contents.length).toBe(expectedContents.length);
+    });
+
+    it("should create a new file with global registry", async () => {
+      writeBunfig(filePath, [
+        {
+          url: "https://npm.pkg.github.com",
+          scope: "",
+        },
+      ]);
+
+      const { file, contents } = await getFileAndContents();
+
+      expect(file.exists()).resolves.toBeTrue();
+
+      const expectedContents = [
+        "[install.registry]",
+        'url = "https://npm.pkg.github.com"',
+        "",
+      ];
+
+      contents.forEach((content, index) =>
+        expect(content).toBe(expectedContents[index])
+      );
+
+      expect(contents.length).toBe(expectedContents.length);
+    });
+
+    it("should create a new file with global registry & token", async () => {
+      writeBunfig(filePath, [
+        {
+          url: "https://npm.pkg.github.com",
+          scope: "",
+          token: "$BUN_AUTH_TOKEN",
+        },
+      ]);
+
+      const { file, contents } = await getFileAndContents();
+
+      expect(file.exists()).resolves.toBeTrue();
+
+      const expectedContents = [
+        "[install.registry]",
+        'url = "https://npm.pkg.github.com"',
+        'token = "$BUN_AUTH_TOKEN"',
+        "",
+      ];
+
+      contents.forEach((content, index) =>
+        expect(content).toBe(expectedContents[index])
+      );
+
+      expect(contents.length).toBe(expectedContents.length);
+    });
+  });
+
+  describe("when local bunfig_test.toml file exists", () => {
+    it("and no [install.scopes] exists, should concatenate file correctly", async () => {
+      const bunfig = `[install]${EOL}optional = true${EOL}${EOL}[install.cache]${EOL}disable = true`;
+
+      await Bun.write(filePath, bunfig);
+
+      writeBunfig(filePath, [
+        {
+          url: "https://npm.pkg.github.com",
+          scope: "foo-bar",
+          token: "$BUN_AUTH_TOKEN",
+        },
+      ]);
+
+      const { file, contents } = await getFileAndContents();
+
+      expect(file.exists()).resolves.toBeTrue();
+
+      const expectedContents = [
+        "[install]",
+        "optional = true",
+        "",
+        "  [install.cache]",
+        "  disable = true",
+        "",
+        '[install.scopes."@foo-bar"]',
+        'url = "https://npm.pkg.github.com"',
+        'token = "$BUN_AUTH_TOKEN"',
+        "",
+      ];
+
+      contents.forEach((content, index) =>
+        expect(content).toBe(expectedContents[index])
+      );
+
+      expect(contents.length).toBe(expectedContents.length);
+    });
+
+    it("and [install.scopes] exists and it's not the same registry, should concatenate file correctly", async () => {
+      const bunfig = `[install]${EOL}optional = true${EOL}${EOL}[install.scopes]${EOL}'@bla-ble' = { token = "$BUN_AUTH_TOKEN", url = "https://npm.pkg.github.com/" }${EOL}${EOL}[install.cache]${EOL}disable = true`;
+
+      await Bun.write(filePath, bunfig);
+
+      writeBunfig(filePath, [
+        {
+          url: "https://npm.pkg.github.com",
+          scope: "foo-bar",
+          token: "$BUN_AUTH_TOKEN",
+        },
+      ]);
+
+      const { file, contents } = await getFileAndContents();
+
+      expect(file.exists()).resolves.toBeTrue();
+
+      const expectedContents = [
+        "[install]",
+        "optional = true",
+        "",
+        '[install.scopes."@bla-ble"]',
+        'token = "$BUN_AUTH_TOKEN"',
+        'url = "https://npm.pkg.github.com/"',
+        "",
+        '[install.scopes."@foo-bar"]',
+        'url = "https://npm.pkg.github.com"',
+        'token = "$BUN_AUTH_TOKEN"',
+        "",
+        "  [install.cache]",
+        "  disable = true",
+        "",
+      ];
+
+      contents.forEach((content, index) =>
+        expect(content).toBe(expectedContents[index])
+      );
+
+      expect(contents.length).toBe(expectedContents.length);
+    });
+
+    it("and [install.scopes] exists and it's the same registry, should concatenate file correctly", async () => {
+      const bunfig = `[install]${EOL}optional = true${EOL}${EOL}[install.scopes]${EOL}'@foo-bar' = { token = "$BUN_AUTH_TOKEN", url = "https://npm.pkg.github.com/" }${EOL}'@bla-ble' = { token = "$BUN_AUTH_TOKEN", url = "https://npm.pkg.github.com/" }${EOL}${EOL}[install.cache]${EOL}disable = true`;
+
+      await Bun.write(filePath, bunfig);
+
+      writeBunfig(filePath, [
+        {
+          url: "https://npm.pkg.github.com",
+          scope: "foo-bar",
+          token: "$BUN_AUTH_TOKEN",
+        },
+      ]);
+
+      const { file, contents } = await getFileAndContents();
+
+      expect(file.exists()).resolves.toBeTrue();
+
+      const expectedContents = [
+        "[install]",
+        "optional = true",
+        "",
+        '[install.scopes."@foo-bar"]',
+        'url = "https://npm.pkg.github.com"',
+        'token = "$BUN_AUTH_TOKEN"',
+        "",
+        '[install.scopes."@bla-ble"]',
+        'token = "$BUN_AUTH_TOKEN"',
+        'url = "https://npm.pkg.github.com/"',
+        "",
+        "  [install.cache]",
+        "  disable = true",
+        "",
+      ];
+
+      contents.forEach((content, index) =>
+        expect(content).toBe(expectedContents[index])
+      );
+
+      expect(contents.length).toBe(expectedContents.length);
+    });
+
+    it("and [install.scopes] and [install] exists, should concantenate file correctly", async () => {
+      const bunfig = `[install]${EOL}optional = true${EOL}${EOL}[install.scopes]${EOL}'@foo-bar' = { token = "$BUN_AUTH_TOKEN", url = "https://npm.pkg.github.com/" }${EOL}'@bla-ble' = { token = "$BUN_AUTH_TOKEN", url = "https://npm.pkg.github.com/" }${EOL}${EOL}[install.cache]${EOL}disable = true`;
+
+      await Bun.write(filePath, bunfig);
+
+      writeBunfig(filePath, [
+        {
+          url: "https://npm.pkg.github.com",
+          scope: "foo-bar",
+          token: "$BUN_AUTH_TOKEN",
+        },
+        {
+          url: "https://bun.sh",
+          scope: "",
+          token: "$BUN_AUTH_TOKEN",
+        }, // global registry
+      ]);
+
+      const { file, contents } = await getFileAndContents();
+
+      expect(file.exists()).resolves.toBeTrue();
+
+      const expectedContents = [
+        "[install]",
+        "optional = true",
+        "",
+        '[install.scopes."@foo-bar"]',
+        'url = "https://npm.pkg.github.com"',
+        'token = "$BUN_AUTH_TOKEN"',
+        "",
+        '[install.scopes."@bla-ble"]',
+        'token = "$BUN_AUTH_TOKEN"',
+        'url = "https://npm.pkg.github.com/"',
+        "",
+        "  [install.cache]",
+        "  disable = true",
+        "",
+        "  [install.registry]",
+        '  url = "https://bun.sh"',
+        '  token = "$BUN_AUTH_TOKEN"',
+        "",
+      ];
+
+      contents.forEach((content, index) =>
+        expect(content).toBe(expectedContents[index])
+      );
+
+      expect(contents.length).toBe(expectedContents.length);
+    });
+  });
+
+  describe("when multiple global registries are provided", () => {
+    it("should throw an error", () => {
+      expect(() => {
+        writeBunfig(filePath, [
+          {
+            url: "https://npm.pkg.github.com",
+            scope: "",
+            token: "$BUN_AUTH_TOKEN",
+          },
+          {
+            url: "https://bun.sh",
+            scope: "",
+            token: "$BUN_AUTH_TOKEN",
+          },
+        ]);
+      }).toThrow("You can't have more than one global registry.");
+    });
+  });
+});
--- a/tests/registry.spec.ts
+++ b/tests/registry.spec.ts
@@ -0,0 +1,170 @@
+import { describe, expect, it } from "bun:test";
+import { parseRegistries } from "../src/registry";
+
+describe("registry", () => {
+  describe("parseRegistries", () => {
+    it("should return an empty array for empty input", () => {
+      expect(parseRegistries("")).toEqual([]);
+      expect(parseRegistries("   ")).toEqual([]);
+      expect(parseRegistries(null as any)).toEqual([]);
+      expect(parseRegistries(undefined as any)).toEqual([]);
+    });
+
+    it("should parse default registry without token", () => {
+      const input = "https://registry.npmjs.org/";
+      const result = parseRegistries(input);
+
+      expect(result).toEqual([
+        {
+          url: "https://registry.npmjs.org/",
+          scope: "",
+        },
+      ]);
+    });
+
+    it("should parse default registry with token", () => {
+      const input = "https://registry.npmjs.org/|npm_token123";
+      const result = parseRegistries(input);
+
+      expect(result).toEqual([
+        {
+          url: "https://registry.npmjs.org/",
+          scope: "",
+          token: "npm_token123",
+        },
+      ]);
+    });
+
+    it("should parse scoped registry with URL credentials", () => {
+      const input = "@myorg:https://username:password@registry.myorg.com/";
+      const result = parseRegistries(input);
+
+      expect(result).toEqual([
+        {
+          url: "https://username:password@registry.myorg.com/",
+          scope: "@myorg",
+        },
+      ]);
+    });
+
+    it("should parse scoped registry with separate token", () => {
+      const input = "@partner:https://registry.partner.com/|token_abc123";
+      const result = parseRegistries(input);
+
+      expect(result).toEqual([
+        {
+          url: "https://registry.partner.com/",
+          scope: "@partner",
+          token: "token_abc123",
+        },
+      ]);
+    });
+
+    it("should parse multiple registries", () => {
+      const input = `
+        https://registry.npmjs.org/
+        @myorg:https://username:password@registry.myorg.com/
+        @partner:https://registry.partner.com/|token_abc123
+      `;
+
+      const result = parseRegistries(input);
+
+      expect(result).toEqual([
+        {
+          url: "https://registry.npmjs.org/",
+          scope: "",
+        },
+        {
+          url: "https://username:password@registry.myorg.com/",
+          scope: "@myorg",
+        },
+        {
+          url: "https://registry.partner.com/",
+          scope: "@partner",
+          token: "token_abc123",
+        },
+      ]);
+    });
+
+    it("should handle scope names without @ prefix", () => {
+      const input = "myorg:https://registry.myorg.com/|token123";
+      const result = parseRegistries(input);
+
+      expect(result).toEqual([
+        {
+          url: "https://registry.myorg.com/",
+          scope: "myorg",
+          token: "token123",
+        },
+      ]);
+    });
+
+    it("should throw error for invalid URLs", () => {
+      expect(() => {
+        parseRegistries("@myorg:not-a-valid-url");
+      }).toThrow("Invalid URL in registry configuration: not-a-valid-url");
+
+      expect(() => {
+        parseRegistries("also-not-a-valid-url");
+      }).toThrow("Invalid URL in registry configuration: also-not-a-valid-url");
+    });
+
+    it("should handle whitespace and empty lines", () => {
+      const input = `
+
+        https://registry.npmjs.org/
+
+        @myorg:https://registry.myorg.com/|token123
+
+      `;
+
+      const result = parseRegistries(input);
+
+      expect(result).toEqual([
+        {
+          url: "https://registry.npmjs.org/",
+          scope: "",
+        },
+        {
+          url: "https://registry.myorg.com/",
+          scope: "@myorg",
+          token: "token123",
+        },
+      ]);
+    });
+
+    it("should handle URLs with paths and query parameters", () => {
+      const input =
+        "@myorg:https://registry.myorg.com/npm/registry/?timeout=5000|token123";
+      const result = parseRegistries(input);
+
+      expect(result).toEqual([
+        {
+          url: "https://registry.myorg.com/npm/registry/?timeout=5000",
+          scope: "@myorg",
+          token: "token123",
+        },
+      ]);
+    });
+
+    it("should correctly handle scopes with hyphens and underscores", () => {
+      const input = `
+        @my-org:https://registry.myorg.com/
+        @my_org:https://registry.myorg.com/
+      `;
+
+      const result = parseRegistries(input);
+
+      expect(result).toEqual([
+        {
+          url: "https://registry.myorg.com/",
+          scope: "@my-org",
+        },
+        {
+          url: "https://registry.myorg.com/",
+          scope: "@my_org",
+        },
+      ]);
+    });
+  });
+});
--- a/tests/tsconfig.json
+++ b/tests/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "types": [
+      "bun"
+    ]
+  }
+}
--- a/tests/utils.spec.ts
+++ b/tests/utils.spec.ts
@@ -0,0 +1,124 @@
+import { afterEach, describe, expect, it, spyOn } from "bun:test";
+import { getArchitecture, getAvx2 } from "../src/utils";
+import * as core from "@actions/core";
+
+describe("getArchitecture", () => {
+  let warningSpy: ReturnType<typeof spyOn>;
+
+  afterEach(() => {
+    warningSpy?.mockRestore();
+  });
+
+  it("should return x64 for Windows with arm64 architecture", () => {
+    warningSpy = spyOn(core, "warning");
+    const result = getArchitecture("windows", "arm64");
+
+    expect(result).toBe("x64");
+    expect(warningSpy).toHaveBeenCalledTimes(1);
+    expect(warningSpy).toHaveBeenCalledWith(
+      expect.stringContaining(
+        "⚠️ Bun does not provide native arm64 builds for Windows."
+      )
+    );
+  });
+
+  it("should return x64 for Windows with aarch64 architecture", () => {
+    warningSpy = spyOn(core, "warning");
+    const result = getArchitecture("windows", "aarch64");
+
+    expect(result).toBe("x64");
+    expect(warningSpy).toHaveBeenCalledTimes(1);
+    expect(warningSpy).toHaveBeenCalledWith(
+      expect.stringContaining(
+        "⚠️ Bun does not provide native arm64 builds for Windows."
+      )
+    );
+  });
+
+  it("should return aarch64 for non-Windows platforms with arm64", () => {
+    warningSpy = spyOn(core, "warning");
+    const result = getArchitecture("linux", "arm64");
+
+    expect(result).toBe("aarch64");
+    expect(warningSpy).not.toHaveBeenCalled();
+  });
+
+  it("should return aarch64 for macOS with arm64", () => {
+    warningSpy = spyOn(core, "warning");
+    const result = getArchitecture("darwin", "arm64");
+
+    expect(result).toBe("aarch64");
+    expect(warningSpy).not.toHaveBeenCalled();
+  });
+
+  it("should return original arch value for x64", () => {
+    warningSpy = spyOn(core, "warning");
+    const result = getArchitecture("windows", "x64");
+
+    expect(result).toBe("x64");
+    expect(warningSpy).not.toHaveBeenCalled();
+  });
+
+  it("should return original arch value for x86", () => {
+    warningSpy = spyOn(core, "warning");
+    const result = getArchitecture("linux", "x86");
+
+    expect(result).toBe("x86");
+    expect(warningSpy).not.toHaveBeenCalled();
+  });
+
+  it("should return original arch value for aarch64 on Linux", () => {
+    warningSpy = spyOn(core, "warning");
+    const result = getArchitecture("linux", "aarch64");
+
+    expect(result).toBe("aarch64");
+    expect(warningSpy).not.toHaveBeenCalled();
+  });
+});
+
+describe("getAvx2", () => {
+  it("should return false when called with os: 'windows' and arch: 'arm64'", () => {
+    const result = getAvx2("windows", "arm64");
+    expect(result).toBe(false);
+  });
+
+  it("should return false when called with os: 'windows' and arch: 'aarch64'", () => {
+    const result = getAvx2("windows", "aarch64");
+    expect(result).toBe(false);
+  });
+
+  it("should return false when called with os: 'windows', arch: 'arm64', and avx2: true", () => {
+    const result = getAvx2("windows", "arm64", true);
+    expect(result).toBe(false);
+  });
+
+  it("should return false when called with os: 'windows', arch: 'aarch64', and avx2: false", () => {
+    const result = getAvx2("windows", "aarch64", false);
+    expect(result).toBe(false);
+  });
+
+  it("should return the provided avx2 value (true) when specified and not on Windows ARM64", () => {
+    expect(getAvx2("linux", "x64", true)).toBe(true);
+    expect(getAvx2("darwin", "x64", true)).toBe(true);
+    expect(getAvx2("windows", "x64", true)).toBe(true);
+  });
+
+  it("should return the provided avx2 value (false) when specified and not on Windows ARM64", () => {
+    expect(getAvx2("linux", "x64", false)).toBe(false);
+    expect(getAvx2("darwin", "x64", false)).toBe(false);
+    expect(getAvx2("windows", "x64", false)).toBe(false);
+  });
+
+  it("should return true by default when avx2 is not specified and not on Windows ARM64", () => {
+    // x64 architecture on various platforms
+    expect(getAvx2("linux", "x64")).toBe(true);
+    expect(getAvx2("darwin", "x64")).toBe(true);
+    expect(getAvx2("windows", "x64")).toBe(true);
+
+    // ARM architecture on non-Windows platforms
+    expect(getAvx2("linux", "arm64")).toBe(true);
+    expect(getAvx2("linux", "aarch64")).toBe(true);
+    expect(getAvx2("darwin", "arm64")).toBe(true);
+    expect(getAvx2("darwin", "aarch64")).toBe(true);
+  });
+});
Author	SHA1	Message	Date
Jozef Steinhübl	3d267786b1	fix: default token only on public github (#157 ) * fix: default token only on public github * docs: document token	2026-01-16 15:46:22 +01:00
autofix-ci[bot]	db6bcf6eb8	[autofix.ci] apply automated fixes	2026-01-16 03:38:02 +00:00
Jarred Sumner	4a638a4fad	Bump form-data	2026-01-15 19:37:24 -08:00
Copilot	563911925f	feat: use packageManager from package.json as default bun version (#152 ) * Initial plan * feat: make packageManager from package.json the default bun version Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> * test: improve cross-platform compatibility and cleanup in utils tests Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> * docs: update README to document automatic package.json version detection Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> * conflicts * ci: setup-bun-from-package-json-without-specified-field * ci: setup-bun-from-package-json-without-specified-field * ci: no cache --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> Co-authored-by: Jozef Steinhübl <contact@xhyrom.dev>	2026-01-05 12:45:25 +01:00
Jozef Steinhübl	b02f8a8a6e	feat: fallback arm64 to x64 architecture for win32 platform (#131 ) * feat: fallback arm64 to x64 architecture for win32 platform closes https://github.com/oven-sh/setup-bun/issues/130 * [autofix.ci] apply automated fixes * ci: test on windows-11-arm runner * refactor: move logic to getEffectiveArch func * [autofix.ci] apply automated fixes * feat: add warning message for windows arm64 fallback to x64 * [autofix.ci] apply automated fixes * feat: don't mention arch in warning msg aboout fallback * [autofix.ci] apply automated fixes * debug time * [autofix.ci] apply automated fixes * feat: force baseline for win32 arm fallback to x64 * [autofix.ci] apply automated fixes * ci: dont use windows-11-arm on setup bun from download url * fix * [autofix.ci] apply automated fixes * fix * [autofix.ci] apply automated fixes * fix * [autofix.ci] apply automated fixes * fix * [autofix.ci] apply automated fixes * fix * [autofix.ci] apply automated fixes * apply changes Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * [autofix.ci] apply automated fixes * docs: clarify * [autofix.ci] apply automated fixes * test: add unit tests for getAvx2 Windows ARM64 fallback logic (#154) * Initial plan * Add unit tests for getAvx2 function Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> * Consolidate duplicate test assertions in getAvx2 tests Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> * Fix whitespace formatting in test file Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> * test: add unit tests for getArchitecture and getAvx2 Windows ARM64 fallback logic (#153) * Initial plan * Add unit tests for getArchitecture function Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> * Remove unused import in utils.spec.ts Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> * Apply suggestion from @Copilot Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Merge pr-131 and resolve test file conflicts Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: xhyrom <56601352+xhyrom@users.noreply.github.com> Co-authored-by: Jozef Steinhübl <generalkubo@gmail.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>	2026-01-05 01:16:53 +01:00
Jozef Steinhübl	8c296f9cb7	feat: implement wildcard resolution into the action (#93 ) * feat: remove retry attempts * [autofix.ci] apply automated fixes * feat: get download url from github's api * [autofix.ci] apply automated fixes * fix: add token property to action definition & fix satisfies params * [autofix.ci] apply automated fixes * fix: getPlatform, getArchitecture + eversion * [autofix.ci] apply automated fixes * fix: duplicate v * [autofix.ci] apply automated fixes * fix: check if valid semver and add bun-v * [autofix.ci] apply automated fixes * refactor: wrap validation * [autofix.ci] apply automated fixes * ci(format): use bun bun install is rqeuired for patches * ci(format): use bun bun install is rqeuired for patches * [autofix.ci] apply automated fixes * feat: bring back support for sha downloads * [autofix.ci] apply automated fixes * fix: add bearer prefix for token * [autofix.ci] apply automated fixes * fix: proper error when artifact is not found * [autofix.ci] apply automated fixes * conflicts * autofix build * fix * fix * fix * fix * fix * autofix build * fix * [autofix.ci] apply automated fixes * fix * [autofix.ci] apply automated fixes * fix * [autofix.ci] apply automated fixes * fix * fix * [autofix.ci] apply automated fixes * fix * fix * [autofix.ci] apply automated fixes * fix: drop sha support for now * [autofix.ci] apply automated fixes * fix: filter tags * [autofix.ci] apply automated fixes * docs: token * docs: token * docs: token * refactor: cleanup * [autofix.ci] apply automated fixes * refactor: cleanup --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2026-01-05 00:03:34 +01:00
Jozef Steinhübl	b7a1c7ccf2	release: v2.1.0 (#151 ) * release: v2.1.0 * release: v2.1.0	2026-01-04 00:53:29 +01:00
bashonly	ad1208bf19	docs: restore missing `no-cache` input (#149 ) * docs: restore missing `no-cache` input accidentally removed in `ef00e4ac8e` * [autofix.ci] apply automated fixes --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2026-01-04 00:21:55 +01:00
autofix-ci[bot]	bc6f04ce3b	[autofix.ci] apply automated fixes	2025-12-23 18:57:05 +00:00
Erik Axel Nielsen	1dbab0699e	feat: Check for existing bun before downloading (#138 ) * feat: Check for existing bun before downloading Check for existing bun with same version number, if it exists we skip any futher actions. This avoids downloading cache or bun over the network. * [autofix.ci] apply automated fixes --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2025-12-23 19:56:47 +01:00
dgilmanuni	635640504f	chore(ci): Pin GitHub Actions to SHA-1s (#140 )	2025-10-09 07:20:42 +02:00
Jozef Steinhübl	22457c87c1	docs: remove unnecessary note	2025-07-10 21:09:16 +02:00
autofix-ci[bot]	237a6a77d8	[autofix.ci] apply automated fixes	2025-07-10 19:07:39 +00:00
Jozef Steinhübl	53e6487b6e	ci(format): use bun	2025-07-10 21:07:00 +02:00
Jozef Steinhübl	68643ea879	ci: disable tests with version selectors (#133 )	2025-07-10 21:02:01 +02:00
Jozef Steinhübl	56169ab7b0	feat: read engines from package json (#132 ) * feat: read engines from package.json closes https://github.com/oven-sh/setup-bun/issues/115 * ci: test for engines package.json * [autofix.ci] apply automated fixes * ci: test for engines package.json --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2025-07-10 20:58:50 +02:00
Jozef Steinhübl	34f777aec1	feat: support for multiple registries (#109 ) * feat: support for multiple registries * [autofix.ci] apply automated fixes * refactor: drop unnecessary check * fix: pass empty array instead undefined * [autofix.ci] apply automated fixes * fix: dont add registry set line * [autofix.ci] apply automated fixes * feat: few more tests * feat: add bun types * docs: explain registries * feat: save globally * [autofix.ci] apply automated fixes * ci: jsr registry test * ci: add , * ci: test * ci: test * ci: test * ci: test * [autofix.ci] apply automated fixes * feat: use @iarna/toml * [autofix.ci] apply automated fixes * feat: registry parsing * [autofix.ci] apply automated fixes * ci: verbose add * ci: registry install check * ci: registry install check * ci: registry install check * ci: verify registry usage * docs: registries * docs: important block * docs: show table * docs: show table * ci: shell * ci: registry test on linux * ci: registry test on linux * build: text lockfile --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2025-07-09 12:22:12 +02:00
Okinea Dev	7c641390eb	chore: add settings for vscode (#120 ) * chore: update Prettier settings and add settings for vscode * rollback semi * fix: exclude `dist` from search and lock changes to some files * Added `search.exclude` to ignore `dist/*` during searches. Configured `files.readonlyInclude` to lock changes to `dist/**`, `bun.lock`, and `package-lock.json`.	2025-07-08 15:29:27 +02:00
autofix-ci[bot]	735343b667	[autofix.ci] apply automated fixes	2025-04-27 13:53:50 +00:00
Jozef Steinhübl	27ecfffdee	ci: update autofix ci	2025-04-27 15:53:25 +02:00
Afonso Jorge Ramos	fcc30ed971	fix(docs): remove wildcard in version (#124 ) until https://github.com/oven-sh/setup-bun/issues/37 gets fixed	2025-04-27 15:48:05 +02:00
Jozef Steinhübl	56408e9a3f	release: v2.0.2	2025-04-27 15:47:24 +02:00
Robert Michalak	85cb7f6e7e	build: bump @actions/cache version (#128 ) * bump @actions/cache version * fix runtime error	2025-04-27 15:46:35 +02:00
Okinea Dev	54cb141c5c	ci: remove unnecessary steps & cleanup (#118 ) * refactor(ci): refactor GitHub Actions for better readablility * upd * remove ""	2025-02-04 18:31:38 +01:00
Okinea Dev	6fb6603cc1	build: use text-based Bun lockfile (#116 ) chore: 🔒 use text-based Bun lockfile Support for the text lockfile format was introduced in version `1.1.40` (https://bun.sh/blog/bun-v1.1.40), it will soon replace the binary lockfile format `.lockb` in the upcoming version `1.2.0` In addition, cached bun install will become 30% faster thanks to the text-based lockfile format - https://bun.sh/blog/bun-lock-text-lockfile#cached-bun-install-gets-30-faster Read https://bun.sh/blog/bun-lock-text-lockfile	2025-01-05 12:45:22 +01:00
autofix-ci[bot]	9bdeab4320	[autofix.ci] apply automated fixes	2024-12-09 17:46:42 +00:00
Florian Barbare	f09eb1edd0	fix: make bun resolve to given file path when an absolute path is given (#114 ) * Make bun resolve to single file path when an absolute path is given * Update test not to use the workspace folder	2024-12-09 18:46:15 +01:00
Jozef Steinhübl	8f1bc2eeb3	ci: add setup bun download url (#105 ) * ci: add setup bun download url * ci: change runs-on * ci: aarch64, not arm64	2024-10-08 15:30:45 +02:00
Jozef Steinhübl	a8913c42f4	fix: use hash instead of url for primary cache key (#102 ) (#103 ) * fix: use hash instead of url for primary cache key (#102) * Update cache-save.ts * Update action.ts * Update cache-save.ts * build * format * [autofix.ci] apply automated fixes --------- Co-authored-by: Daniil Zotov <142039751+zoto-ff@users.noreply.github.com> Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2024-10-08 15:19:42 +02:00
マルコメ	b9d34de66d	chore(docs): missing version on examples (#96 )	2024-08-06 11:21:46 +02:00
Seiya Kokushi	1e54087d4f	fix: allow more spaces for .tool-versions (#94 ) * update: allow more spaces for .tool-versions * [autofix.ci] apply automated fixes --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2024-07-30 22:30:50 +02:00
Jozef Steinhübl	4bc047ad25	release: v2.0.1 (#91 ) * build: bump version * [autofix.ci] apply automated fixes --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2024-07-15 21:09:36 +02:00
Araxeus	f43b443c1c	fix: bun-version-file default value (#90 ) fix #89	2024-07-15 14:17:41 +02:00
autofix-ci[bot]	339e277e69	[autofix.ci] apply automated fixes	2024-06-24 13:19:56 +00:00
Jozef Steinhübl	e20a54d1da	docs: add bun-path & bun-download-url to outputs table	2024-06-24 15:19:27 +02:00
Jozef Steinhübl	3fcae870de	docs: show correct bun-version-file examples (#86 ) * docs: .bun-version * docs: correct bun-version-file examples	2024-06-24 15:15:35 +02:00
Jozef Steinhübl	123c6c4e2f	docs: use v2 version	2024-06-23 21:56:22 +02:00
Jozef Steinhübl	ef00e4ac8e	release: v2.0 🎉 (#80 ) * feat: add input bun-version-file (#76) * feat: add input for bun-version-file * docs: update example bun version file * [autofix.ci] apply automated fixes --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> * refactor: reduce read from file code * [autofix.ci] apply automated fixes * feat: read from all known files if not specified * [autofix.ci] apply automated fixes * fix: just continue if file doesnt exist * [autofix.ci] apply automated fixes * fix: return output if found version * [autofix.ci] apply automated fixes * fix: make whitespace in .tool-versions optional * [autofix.ci] apply automated fixes * log loglog * [autofix.ci] apply automated fixes * log log log * [autofix.ci] apply automated fixes * better warnings, fix ci failing * [autofix.ci] apply automated fixes * feat: log obtained version * [autofix.ci] apply automated fixes * build: bump version * [autofix.ci] apply automated fixes * fix: add .zip extension if it's not present Workaround for https://github.com/actions/toolkit/issues/1179 Fixes https://github.com/oven-sh/setup-bun/issues/79 * [autofix.ci] apply automated fixes * docs: add comment for easier understanding * ci: more readable version * ci: match name * docs: add package.json and .tool-versions to bun-version-file examples * ci: add cache test * ci: install another pkg for cache test * ci: install more pkgs for cache test * ci: block all trusted deps in cache test * ci: more deps for cache test * ci: cache test should cache * refactor: dont try all files if not defined * [autofix.ci] apply automated fixes * ci: remove cache test * feat: support .bunrc * [autofix.ci] apply automated fixes * refactor: .bun-version instead .bunrc * [autofix.ci] apply automated fixes * feat: add bun paths and url to output Fixes https://github.com/oven-sh/setup-bun/issues/81 * [autofix.ci] apply automated fixes * ci: test for .bun-version * feat: make .bun-version as default in bun-version-file * ci: remove cache before test * ci: remove cache before test * ci: remove cache before test * ci: remove cache before test --------- Co-authored-by: Ade Hery Shopyan <51158020+adeherysh@users.noreply.github.com> Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2024-06-21 21:11:16 +02:00
Jarred Sumner	43b2dc9ae8	Update README.md	2024-06-02 04:02:05 -07:00
Jarred Sumner	45d2c09359	Update README.md	2024-06-02 04:01:49 -07:00
Jarred Sumner	6ef34ab578	Update README.md	2024-06-02 04:00:50 -07:00
Jarred Sumner	f4d14e03ff	Add `bun-download-url` to `actions.yml` and rebuild (#83 ) * Add download URL * [autofix.ci] apply automated fixes --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>	2024-06-02 03:52:40 -07:00