NEW: Add check for PR titles prefixes in CI

Author: jfreire-unity

.github/workflows/pr-title.yml

@@ -0,0 +1,36 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on pull request creation and edit events but only for the "main" branch
+  pull_request:
+    types:
+      - edited
+      - opened
+      - synchronize
+    branches: [ "develop" ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  check-pr-title:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v4
+
+      # Runs a bash script from the specified working directory
+      - name: Check PR Title begins with the required prefix
+        shell: bash
+        working-directory: .github/workflows
+        env:
+            TITLE: ${{github.event.pull_request.title}}
+        run: bash verify-pr-title-prefix.sh $TITLE "NEW:" "CHANGE:" "FIX:" "DOCS:" "RELEASE:"
+

.github/workflows/verify-pr-title-prefix.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+exit_with_failure()
+{
+    echo "❌ $*" 1>&2 ; exit 1;
+}
+
+TITLE_STRING="$1"
+shift  # Shift all arguments to the left, so $2 becomes $1, $3 becomes $2, etc.
+
+# The remaining arguments are treated as an array of strings
+PREFIXES_REQUIRED=("$@")
+
+# Validate the title string prefix based on prefixes required
+for PREFIX in "${PREFIXES_REQUIRED[@]}";
+do
+    if [[ "$TITLE_STRING" =~ ^$PREFIX ]]; then
+        echo "✅"
+        exit 0
+    fi
+done
+
+PREFIXES_REQUIRED_STRING="${PREFIXES_REQUIRED[*]}"
+
+exit_with_failure "PR Title needs the required prefixes: $PREFIXES_REQUIRED_STRING"