GitHub Action for validation branch name during deployment workflow

.github/actions/deployment-action/action.yml

@@ -0,0 +1,10 @@
+name: 'Deployment validation'
+description: 'Validates if deployment action can be run'
+inputs:
+  branch-name:
+    description: 'The branch name should be validated'
+    required: true
+    default: ''
+runs:
+  using: 'node20'
+  main: 'deployment-action.js'

.github/actions/deployment-action/deployment-action.ts

@@ -0,0 +1,21 @@
+import * as core from "@actions/core";
+import * as github from "@actions/github";
+
+const allowed = {
+  branch: ["master"],
+  prefix: ["release/"],
+};
+
+try {
+  const ref = github.context.payload.pull_request?.["head"]["ref"] as string | null;
+  if (ref == null) {
+    throw new Error("The branch name has not been recognized.");
+  }
+
+  if (allowed.branch.includes(ref) == false && allowed.prefix.includes(ref) == false) {
+    const message = `Allowing deployment from branch='${allowed.branch.join(', ')}' or with prefix='${allowed.prefix.join(', ')}'.`;
+    core.setFailed(`'${ref}' branch can't be released. ${message}.`);
+  }
+} catch (error) {
+  core.setFailed(error.message);
+}

.github/actions/deployment-action/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "deployment-action",
+  "version": "1.0.0",
+  "description": "",
+  "main": "deployment-action.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@actions/core": "^1.10.1",
+    "@actions/github": "^6.0.0"
+  }
+}

.github/actions/deployment-action/tsconfig.json

@@ -0,0 +1,7 @@
+{
+    "compilerOptions": {
+      "target": "es2018",
+      "module": "commonjs",
+      "sourceMap": true
+    }
+  }

.github/workflows/deployment.yml

@@ -10,6 +10,12 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+      - run: cd .github/actions/deployment-action && npm i && tsc && cd -
+      - name: Validate branch name before to start deployment
+        uses: ./.github/actions/deployment-action
+
       - uses: actions/checkout@v3
       - name: Runs the deployment workflow in Bitrise
         run: |