feat: Add print_info for tag options

Close #76

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.11.0
+FROM alpine:3.11.2
 
 RUN apk add --no-cache \
     bash \

README.md

@@ -72,6 +72,7 @@ Do you want to skip the docker build step? OK, the script mode is available.
   - [⭐️ Deploy to external repository](#%EF%B8%8F-deploy-to-external-repository)
   - [⭐️ Force orphan](#%EF%B8%8F-force-orphan)
   - [⭐️ Set Git username and email](#%EF%B8%8F-set-git-username-and-email)
+  - [⭐️ Set custom commit message](#%EF%B8%8F-set-custom-commit-message)
   - [⭐️ Script mode](#%EF%B8%8F-script-mode)
 - [Tips and FAQ](#tips-and-faq)
   - [⭐️ Use the latest and specific release](#%EF%B8%8F-use-the-latest-and-specific-release)
@@ -85,6 +86,7 @@ Do you want to skip the docker build step? OK, the script mode is available.
   - [⭐️ Static Site Generators with Python](#%EF%B8%8F-static-site-generators-with-python)
   - [⭐️ mdBook (Rust)](#%EF%B8%8F-mdbook-rust)
   - [⭐️ Flutter Web](#%EF%B8%8F-flutter-web)
+  - [⭐️ Elm](#%EF%B8%8F-elm)
 - [License](#license)
 - [About the author](#about-the-author)
 
@@ -329,6 +331,22 @@ A commit is always created with the same user.
     useremail: "iris@peaceiris.com"
 ```
 
+### ⭐️ Set custom commit message
+
+Set custom commit message.
+When we create a commit with a message `docs: Update some post`, a deployment commit will be generated with a message `docs: Update some post ${GITHUB_SHA}`.
+
+```yaml
+- name: Deploy
+  uses: peaceiris/actions-gh-pages@v2
+  env:
+    ACTIONS_DEPLOY_KEY: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+    PUBLISH_BRANCH: gh-pages
+    PUBLISH_DIR: ./public
+  with:
+    commitMessage: ${{ github.event.head_commit.message }}
+```
+
 ### ⭐️ Script mode
 
 From `v2.5.0`, we can run this action as a shell script.
@@ -768,6 +786,48 @@ jobs:
         PUBLISH_DIR: ./build/web
 ```
 
+### ⭐️ Elm
+
+An exapmle workflow for [Elm] with [justgook/setup-elm].
+
+[Elm]: https://elm-lang.org
+[justgook/setup-elm]: https://github.com/justgook/setup-elm
+
+```yaml
+name: github pages
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup Elm
+        uses: justgook/setup-elm@v1
+
+      - name: Make
+        run: elm make --optimize src/Main.elm
+
+      - name: Move files
+        run: |
+          mkdir ./public
+          mv ./index.html ./public/
+        # If you have non-minimal setup with some assets and separate html/js files,
+        # provide --output=<output-file> option for `elm make` and remove this step
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v2
+        env:
+          ACTIONS_DEPLOY_KEY: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+          PUBLISH_BRANCH: gh-pages
+          PUBLISH_DIR: ./public
+```
+
 ## License
 
 - [MIT License - peaceiris/actions-gh-pages]

action.yml

@@ -26,3 +26,12 @@ inputs:
   useremail:
     description: 'Set Git user.email'
     required: false
+  commitMessage:
+    description: 'Set custom commit message'
+    required: false
+  tagName:
+    description: 'Set tag name'
+    required: false
+  tagMessage:
+    description: 'Set tag message'
+    required: false

entrypoint.sh

@@ -117,7 +117,19 @@ git remote add origin "${remote_repo}"
 git add --all
 
 print_info "Allowing empty commits: ${INPUT_EMPTYCOMMITS}"
-COMMIT_MESSAGE="Automated deployment: $(date -u) ${GITHUB_SHA}"
+
+if [ -n "${INPUT_COMMITMESSAGE}" ]; then
+    BASE_COMMIT_MESSAGE="${INPUT_COMMITMESSAGE}"
+else
+    BASE_COMMIT_MESSAGE="Automated deployment: $(date -u)"
+fi
+
+if [ -n "${EXTERNAL_REPOSITORY}" ]; then
+    COMMIT_MESSAGE="${BASE_COMMIT_MESSAGE} ${GITHUB_REPOSITORY}@${GITHUB_SHA}"
+else
+    COMMIT_MESSAGE="${BASE_COMMIT_MESSAGE} ${GITHUB_SHA}"
+fi
+
 if [[ ${INPUT_EMPTYCOMMITS} == "false" ]]; then
     git commit -m "${COMMIT_MESSAGE}" || skip
 else
@@ -130,4 +142,15 @@ else
     git push origin "${remote_branch}"
 fi
 
+if [[ -n "${INPUT_TAGNAME}" ]]; then
+    print_info "Tag name: ${INPUT_TAGNAME}"
+    if [[ -n "${INPUT_TAGMESSAGE}" ]]; then
+        print_info "Tag message: ${INPUT_TAGMESSAGE}"
+        git tag "${INPUT_TAGNAME}" -m "${INPUT_TAGMESSAGE}"
+    else
+        git tag "${INPUT_TAGNAME}"
+    fi
+    git push origin "${INPUT_TAGNAME}"
+fi
+
 print_info "${GITHUB_SHA} was successfully deployed"