Fixed output variables for the multiple files case

README.md

@@ -37,20 +37,26 @@ Then copy the contents of the `.txt` file to your GH secrets
 
 ## Outputs
 
-### `signedReleaseFile`
+Output variables are set both locally and in environment variables.
 
-The path to the signed release file from this action
+### `signedReleaseFile`/ ENV: `SIGNED_RELEASE_FILE`
 
-### ENV: `SIGNED_RELEASE_FILE`
+The path to the single release file that have been signed with this action.
+Not set if several release files have been signed.
 
-This also set's an environment variable that points to the signed release file
+### `signedReleaseFiles` / ENV: `SIGNED_RELEASE_FILES`
+
+The paths to the release files that have been signed with this action,
+separated by `:`.
 
 ## Example usage
 
+### Single APK
+
+The output variable `signedReleaseFile` can be used in a release action.
+
 ```yaml
 steps:
-  # ...
-
   - uses: r0adkll/sign-android-release@v1
     name: Sign app APK
     # ID used to access action output
@@ -64,10 +70,78 @@ steps:
     env:
       // override default build-tools version (29.0.3) -- optional
       BUILD_TOOLS_VERSION: "30.0.2"
-      
+
   # Example use of `signedReleaseFile` output -- not needed
   - uses: actions/upload-artifact@v2
     with:
       name: Signed app bundle
       path: ${{steps.sign_app.outputs.signedReleaseFile}}
 ```
+
+### Multiple APKs, multiple variables
+
+The output variables `signedReleaseFileX`
+can be used to refer to each signed release file.
+
+```yaml
+steps:
+  - uses: r0adkll/sign-android-release@v1
+    id: sign_app
+    with:
+      releaseDirectory: app/build/outputs/apk/release
+      signingKeyBase64: ${{ secrets.SIGNING_KEY }}
+      alias: ${{ secrets.ALIAS }}
+      keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+      keyPassword: ${{ secrets.KEY_PASSWORD }}
+
+  - name: Example Release
+    uses: "marvinpinto/action-automatic-releases@latest"
+    with:
+      repo_token: "${{ secrets.GITHUB_TOKEN }}"
+      automatic_release_tag: "latest"
+      prerelease: true
+      title: "Release X"
+      files: |
+        ${{ steps.sign_app.signedReleaseFile0 }}
+        ${{ steps.sign_app.signedReleaseFile1 }}
+        ${{ steps.sign_app.signedReleaseFile2 }}
+        ${{ steps.sign_app.signedReleaseFile3 }}
+        ${{ steps.sign_app.signedReleaseFile4 }}
+```
+
+### Multiple APKs, single variable
+
+The output variable `signedReleaseFiles` must be split first,
+before being used in a release action.
+
+```yaml
+steps:
+  - uses: r0adkll/sign-android-release@v1
+    id: sign_app
+    with:
+      releaseDirectory: app/build/outputs/apk/release
+      signingKeyBase64: ${{ secrets.SIGNING_KEY }}
+      alias: ${{ secrets.ALIAS }}
+      keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+      keyPassword: ${{ secrets.KEY_PASSWORD }}
+
+  - uses: jungwinter/split@v1
+    id: signed_files
+    with:
+      msg: ${{ steps.sign_app.signedReleaseFiles }}
+      separator: ':'
+
+  - name: Example Release
+    uses: "marvinpinto/action-automatic-releases@latest"
+    with:
+      repo_token: "${{ secrets.GITHUB_TOKEN }}"
+      automatic_release_tag: "latest"
+      prerelease: true
+      title: "Release X"
+      files: |
+        ${{ steps.signed_files._0 }}
+        ${{ steps.signed_files._1 }}
+        ${{ steps.signed_files._2 }}
+        ${{ steps.signed_files._3 }}
+        ${{ steps.signed_files._4 }}
+```

action.yml

@@ -22,7 +22,37 @@ inputs:
     required: false
 outputs:
   signedReleaseFile:
-    description: 'The signed release APK or AAB file'
+    description: 'The signed release APK or AAB file, if single'
+  signedReleaseFiles:
+    description: 'The signed release APK or AAB files'
+  nofSignedReleaseFiles:
+    description: 'The number of signed release files'
+  signedReleaseFile0:
+    description: 'The Oth signed release APK or AAB file'
+  signedReleaseFile1:
+    description: 'The 1st signed release APK or AAB file'
+  signedReleaseFile2:
+    description: 'The 2nd signed release APK or AAB file'
+  signedReleaseFile3:
+    description: 'The 3rd signed release APK or AAB file'
+  signedReleaseFile4:
+    description: 'The 4th signed release APK or AAB file'
+  signedReleaseFile5:
+    description: 'The 5th signed release APK or AAB file'
+  signedReleaseFile6:
+    description: 'The 6th signed release APK or AAB file'
+  signedReleaseFile7:
+    description: 'The 7th signed release APK or AAB file'
+  signedReleaseFile8:
+    description: 'The 8th signed release APK or AAB file'
+  signedReleaseFile9:
+    description: 'The 9th signed release APK or AAB file'
+  signedReleaseFile10:
+    description: 'The 10th signed release APK or AAB file'
+  signedReleaseFile11:
+    description: 'The 11th signed release APK or AAB file'
+  signedReleaseFile12:
+    description: 'The 12th signed release APK or AAB file'
 runs:
   using: 'node12'
   main: 'lib/main.js'

src/main.ts

@@ -21,12 +21,14 @@ async function run() {
 
     // 1. Find release files
     const releaseFiles = io.findReleaseFiles(releaseDir);
-    if (releaseFiles !== undefined) {
+    if (releaseFiles !== undefined && releaseFiles.length !== 0) {
       // 3. Now that we have a release files, decode and save the signing key
       const signingKey = path.join(releaseDir, 'signingKey.jks');
       fs.writeFileSync(signingKey, signingKeyBase64, 'base64');
 
       // 4. Now zipalign and sign each one of the the release files
+      let signedReleaseFiles:string[] = [];
+      let index = 0;
       for (let releaseFile of releaseFiles) {
         core.debug(`Found release to sign: ${releaseFile.name}`);
         const releaseFilePath = path.join(releaseDir, releaseFile.name);
@@ -40,9 +42,23 @@ async function run() {
           core.setFailed('No valid release file to sign.');
         }
 
-        core.debug('Release signed! Setting outputs.');
-        core.exportVariable("SIGNED_RELEASE_FILE", signedReleaseFile);
-        core.setOutput('signedReleaseFile', signedReleaseFile);
+        // Each signed release file is stored in a separate variable + output.
+        core.exportVariable(`SIGNED_RELEASE_FILE_${index}`, signedReleaseFile);
+        core.setOutput(`signedReleaseFile${index}`, signedReleaseFile);
+        signedReleaseFiles.push(signedReleaseFile);
+        ++index;
+      }
+
+      // All signed release files are stored in a merged variable + output.
+      core.exportVariable(`SIGNED_RELEASE_FILES`, signedReleaseFiles.join(":"));
+      core.setOutput('signedReleaseFiles', signedReleaseFiles.join(":"));
+      core.exportVariable(`NOF_SIGNED_RELEASE_FILES`, `${signedReleaseFiles.length}`);
+      core.setOutput(`nofSignedReleaseFiles`, `${signedReleaseFiles.length}`);
+
+      // When there is one and only one signed release file, stoire it in a specific variable + output.
+      if (signedReleaseFiles.length == 1) {
+        core.exportVariable(`SIGNED_RELEASE_FILE`, signedReleaseFiles[0]);
+        core.setOutput('signedReleaseFile', signedReleaseFiles[0]);
       }
       console.log('Releases signed!');
     } else {