get-changed-files.yml

name: Changed files

on:
  push:
    branches:
      - Optimize-GH-CI-Workflow

jobs:
  setup-matrix:
    runs-on: ubuntu-latest
    name: Get changed files
    steps:
    - name: Checkout Repository
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Get changed files
      id: changed-files
      uses: tj-actions/changed-files@v42
      with:
        json: true
        sha: 'origin main'
    # NOTE: `since_last_remote_commit: true` is implied by default and falls back to the previous local commit.

    - name: List all changed files
      env:
        ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
      run: |
        set -eux
        for file in ${ALL_CHANGED_FILES}; do
          echo "$file was changed"
        done

    - name: Setup test matrix scenarios
      id: setup-matrix-scenarios
      run: |
        set -eux
        matrix=$(echo "${ALL_CHANGED_FILES}" | awk -F'/' '{split($3, file_name, "."); split(file_name[1], cloud_region, "-");region= (length(cloud_region) > 1) ? substr($3, index($3, "-") + 1) : ""; cloud=cloud_region[1]; gsub(".json", "", region); print "{\"cloud\": \"" cloud "\", \"file_name\": \"" file_name[1] "\", " (region != "" ? "\"region\": \"" region "\", " : "") "\"scenario_type\": \"" $1 "\", \"scenario_name\": \"" $2 "\"},"}' | sort | uniq | sed 's/,$/,/')
        matrix="${matrix//$'\n'/''}"
        echo "matrix_combinations={\"include\": [${matrix%?}]}" >> "$GITHUB_OUTPUT"
      env:
        ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}