Add support for Rust caching

action.yml

@@ -13,7 +13,7 @@ inputs:
     default: "false"
     required: false
   cache:
-    description: "A list of native cache modes. Supported options are 'go,yarn,pnpm'"
+    description: "A list of native cache modes. Supported options are 'go,yarn,pnpm,rust'"
     required: false
 outputs:
   cache-hit:

dist/index.js

@@ -27096,6 +27096,9 @@ async function resolveCacheMode(cacheMode) {
                 paths.push({ path: mod + "/node_modules", wipe: true });
             }
             return paths;
+        case "rust":
+            // Do not cache the whole ~/.cargo dir as it contains ~/.cargo/bin, where the cargo binary lives
+            return [{ path: "~/.cargo/registry" }, { path: "~/.cargo/git" }, { path: "./target" }];
         default:
             core.warning(`Unknown cache option: ${cacheMode}.`);
             return [];

src/index.ts

@@ -124,6 +124,10 @@ async function resolveCacheMode(cacheMode: string): Promise<Path[]> {
       }
 
       return paths;
+
+    case "rust":
+      // Do not cache the whole ~/.cargo dir as it contains ~/.cargo/bin, where the cargo binary lives
+      return [{ path: "~/.cargo/registry" }, { path: "~/.cargo/git" }, { path: "./target" }];
 
     default:
       core.warning(`Unknown cache option: ${cacheMode}.`);