feat: allow for passing a tag reference

Signed-off-by: Marco Ceppi <marco@ceppi.net>

action.yml

@@ -5,6 +5,9 @@ inputs:
   asset_paths:
     description: 'The paths to the assets you want to upload as a JSON array. You can use a glob pattern.'
     required: true
+  tag:
+    description: 'The tag in the release to attach assets to.'
+    required: false
 outputs:
   browser_download_urls:
     description: 'The URL users can navigate to in order to download the uploaded asset'

src/get-release.js

@@ -1,17 +1,14 @@
 class GetRelease {
-    constructor(octokit, context) {
+    constructor(octokit, context, tag) {
         this.octokit = octokit
         this.context = context;
+        this.tag = tag || context.ref;
     }
 
     async getURL() {
         // Get owner and repo from context of payload that triggered the action
         const { owner, repo } = this.context.repo;
-        // Get the tag name from the triggered action
-        const tagName = this.context.ref;
-
-        // This removes the 'refs/tags' portion of the string, i.e. from 'refs/tags/v1.10.15' to 'v1.10.15'
-        const tag = tagName.replace("refs/tags/", "");
+        const tag = this.tag.replace("refs/tags/", "");
 
         // Get a release from the tag name
         // API Documentation: https://developer.github.com/v3/repos/releases/#create-a-release
@@ -46,4 +43,4 @@ module.exports = GetRelease
 //     console.log(uploadUrl)
 //   }
 
-//   runMe()
+//   runMe()

src/lib.js

@@ -11,47 +11,48 @@ async function run() {
   try {
     // Get authenticated GitHub client (Ocktokit): https://github.com/actions/toolkit/tree/master/packages/github#usage
     const octokit = github.getOctokit(process.env.GITHUB_TOKEN);
-    const getRelease = new GetRelease(octokit, github.context)
-
-    const uploadUrl = await getRelease.getURL()
 
     // Get the inputs from the workflow file: https://github.com/actions/toolkit/tree/master/packages/core#inputsoutputs
     const assetPathsSt = core.getInput('asset_paths', { required: true });
+    const tagInput = core.getInput('tag');
+
+    const getRelease = new GetRelease(octokit, github.context, tagInput)
+    const uploadUrl = await getRelease.getURL()
 
     const assetPaths = JSON.parse(assetPathsSt)
-    if(!assetPaths || assetPaths.length == 0) {
+    if (!assetPaths || assetPaths.length == 0) {
       core.setFailed("asset_paths must contain a JSON array of quoted paths");
       return
     }
 
     let paths = []
-    for(let i = 0; i < assetPaths.length; i++) {
+    for (let i = 0; i < assetPaths.length; i++) {
       let assetPath = assetPaths[i];
-      if(assetPath.indexOf("*") > -1) {
-        const files = glob.sync(assetPath,{ nodir: true })
+      if (assetPath.indexOf("*") > -1) {
+        const files = glob.sync(assetPath, { nodir: true })
         for (const file of files) {
-            paths.push(file)
+          paths.push(file)
         }
-      }else {
+      } else {
         paths.push(assetPath)
       }
     }
 
     core.debug(`Expanded paths: ${paths}`)
 
     downloadURLs = []
-    for(let i = 0; i < paths.length; i++) {
+    for (let i = 0; i < paths.length; i++) {
       let asset = paths[i];
 
       // Determine content-length for header to upload asset
       const contentLength = filePath => fs.statSync(filePath).size;
       const contentType = "binary/octet-stream"
       // Setup headers for API call, see Octokit Documentation: https://octokit.github.io/rest.js/#octokit-routes-repos-upload-release-asset for more information
-      const headers = { 
-        'content-type': contentType, 
+      const headers = {
+        'content-type': contentType,
         'content-length': contentLength(asset)
       };
-  
+
       const assetName = path.basename(asset)
       console.log(`Uploading ${assetName}`)
 
@@ -64,12 +65,12 @@ async function run() {
         name: assetName,
         data: fs.readFileSync(asset)
       });
-  
+
       // Get the browser_download_url for the uploaded release asset from the response
       const {
         data: { browser_download_url: browserDownloadUrl }
       } = uploadAssetResponse;
-  
+
       // Set the output variable for use by other actions: https://github.com/actions/toolkit/tree/master/packages/core#inputsoutputs
       downloadURLs.push(browserDownloadUrl)
     }