Add new input.

CHANGELOG.md

@@ -1,6 +1,9 @@
 # 1.2.0
 
-- Updated to not save the cache if one of the required paths does not exist.
+- Added a `target-dirs` input, allowing the target folders to be specified. Can now cache multiple
+  target folders.
+- Updated to skip caching a directory if it does not exist, instead of failing.
+- Updated dependencies.
 
 # 1.1.0
 

README.md

@@ -30,6 +30,8 @@ optional.
 - `inherit-toolchain` - Inherit all toolchain settings from the `rust-toolchain.toml` file. Defaults
   to `false`.
 - `targets` - Comma-separated list of additional targets to install.
+- `target-dirs` - Comma-separated list of target folder paths, relative from the repository root.
+  Defaults to `target`.
 - `profile` - Profile to install. Defaults to `minimal`.
 
 ## Configuring the Rust toolchain

action.yml

@@ -24,6 +24,9 @@ inputs:
     default: 'false'
   targets:
     description: 'Comma-separated list of additional targets to install.'
+  target-dirs:
+    description: 'Comma-separated list of target folder paths, relative from the repository root.'
+    default: 'target'
   profile:
     description: 'Profile to install. Defaults to "minimal".'
 outputs:

src/cache.ts

@@ -18,12 +18,19 @@ export function getCacheTarget(): string {
 	return core.getInput('cache-target') || 'debug';
 }
 
+export function getTargetPaths(): string[] {
+	const profile = getCacheTarget();
+	const dirs = core.getInput('target-dirs', { required: true }).split(',');
+
+	return dirs.filter((dir) => dir.trim()).map((dir) => path.join(WORKSPACE_ROOT, dir, profile));
+}
+
 export function getCachePaths(): string[] {
 	return [
 		// ~/.cargo/registry
 		path.join(CARGO_HOME, 'registry'),
 		// /workspace/target/debug
-		path.join(WORKSPACE_ROOT, 'target', getCacheTarget()),
+		...getTargetPaths(),
 	];
 }
 

src/cargo.ts

@@ -165,14 +165,14 @@ export async function saveCache() {
 		return;
 	}
 
-	const cachePaths = getCachePaths();
-
-	for (const cachePath of cachePaths) {
+	const cachePaths = getCachePaths().filter((cachePath) => {
 		if (!fs.existsSync(cachePath)) {
-			core.info(`Cache path ${cachePath} does not exist, skipping save`);
-			return;
+			core.info(`Cache path ${cachePath} does not exist, skipping`);
+			return false;
 		}
-	}
+
+		return true;
+	});
 
 	await cleanCargoRegistry();
 	await cleanTargetProfile();