2.2.0

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.2.0
+
+- Add new `save-if` option to always restore, but only conditionally save the cache.
+
 ## 2.1.0
 
 - Only hash `Cargo.{lock,toml}` files in the configured workspace directories.

README.md

@@ -53,6 +53,12 @@ sensible defaults.
     # Determines if the cache should be saved even when the workflow has failed.
     # default: "false"
     cache-on-failure: ""
+
+    # Determiners whether the cache should be saved.
+    # If `false`, the cache is only restored.
+    # Useful for jobs where the matrix is additive e.g. additional Cargo features.
+    # default: "true"
+    save-if: ""
 ```
 
 Further examples are available in the [.github/workflows](./.github/workflows/) directory.

action.yml

@@ -28,6 +28,10 @@ inputs:
   cache-on-failure:
     description: "Cache even if the build fails. Defaults to false."
     required: false
+  save-if:
+    description: "Determiners whether the cache should be saved. If `false`, the cache is only restored."
+    required: false
+    default: "true"
 outputs:
   cache-hit:
     description: "A boolean value that indicates an exact match was found."

dist/save/index.js

@@ -64922,7 +64922,8 @@ process.on("uncaughtException", (e) => {
     }
 });
 async function run() {
-    if (!cache.isFeatureAvailable()) {
+    const save = core.getInput("save-if").toLowerCase() || "true";
+    if (!(cache.isFeatureAvailable() && save === "true")) {
         return;
     }
     try {

package-lock.json

@@ -1,11 +1,11 @@
 {
   "name": "rust-cache",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "2.1.0",
+      "version": "2.2.0",
       "license": "LGPL-3.0",
       "dependencies": {
         "@actions/cache": "^3.0.6",

package.json

@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "rust-cache",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "A GitHub Action that implements smart caching for rust/cargo projects with sensible defaults.",
   "keywords": [
     "actions",

src/save.ts

@@ -13,7 +13,9 @@ process.on("uncaughtException", (e) => {
 });
 
 async function run() {
-  if (!cache.isFeatureAvailable()) {
+  const save = core.getInput("save-if").toLowerCase() || "true";
+
+  if (!(cache.isFeatureAvailable() && save === "true")) {
     return;
   }