From ac00b156bfcb8404d502efa876005789ce23615f Mon Sep 17 00:00:00 2001
From: Fabrizio Antonangeli <fabrizio.antonangeli@gmail.com>
Date: Tue, 30 Apr 2024 14:22:33 +0200
Subject: [PATCH] SRVLOGIC-282: Move main-sync CI to kie-ci repository (#1552)

---
 .ci/actions/main-sync/action.yml | 115 +++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 .ci/actions/main-sync/action.yml

diff --git a/.ci/actions/main-sync/action.yml b/.ci/actions/main-sync/action.yml
new file mode 100644
index 00000000..a050c7f3
--- /dev/null
+++ b/.ci/actions/main-sync/action.yml
@@ -0,0 +1,115 @@
+name: 'Sync main branch'
+description: 'Create a PR to sync main branch with main-apache excluding '
+
+inputs:
+  username:
+    description: 'Username for git'
+    required: false
+    default: kie-ci
+  useremail:
+    description: 'User email for git'
+    required: false
+    default: kie-ci0@redhat.com
+  main_sync_workflow_exclude_paths:
+    description: 'Paths to be excluded during merge'
+    required: false
+    default: .ci .github .asf.yaml
+  main_sync_workflow_pr_reviewers:
+    description: 'Reviewers for the PR'
+    required: false
+    default: ''
+  dry_run:
+    description: 'True to perform a dry run (dry run git push and skip create PR step)'
+    required: false
+    default: false
+
+runs:
+  if: github.repository_owner == 'kiegroup'
+  using: 'composite'
+  steps:
+    - name: Generate PR ID
+      id: generate_pr_id
+      shell: bash
+      run: echo "pr_id=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
+
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        ref: main
+        # By default, checkout@v4 fetches only a single commit unless you specify "fetch-depth: 0". Without this "git merge" throwns an "unrelated histories".
+        fetch-depth: '0'
+
+    - name: Setup git environment
+      shell: bash
+      run: |
+        git config --global user.name "${{ inputs.username }}"
+        git config --global user.email "${{ inputs.useremail }}"
+
+    - name: Fetch all
+      shell: bash
+      run: git fetch --all
+
+    - name: Checkout main branch
+      shell: bash
+      run: git checkout main
+
+    - name: Create the PR branch
+      shell: bash
+      run: git checkout -b sync-main-pr-${{ steps.generate_pr_id.outputs.pr_id }}
+
+    - name: Merge main-apache branch excluding white-listed paths
+      id: merge
+      shell: bash
+      run: |
+        set -x
+        git merge --no-commit origin/main-apache || true
+        if [ -n "${{ inputs.main_sync_workflow_exclude_paths }}" ]; then
+          git reset origin/main ${{ inputs.main_sync_workflow_exclude_paths }}
+        fi
+        if git diff --cached --quiet; then
+          echo "No changes staged for commit."
+        else
+          git commit -m "Merge main-apache and exclude white-listed changes from the merge"
+        fi
+        echo "excluded_files=$(git ls-files -mo | sed -z 's/\n/<br \/>/g')" >> $GITHUB_OUTPUT
+
+    - name: Check for changes
+      id: check_changes
+      shell: bash
+      run: |
+        set -x
+        if git diff --quiet origin/main; then
+          echo "No changes detected."
+          echo "is_changed=false" >> $GITHUB_OUTPUT
+        else
+          echo "Changes detected."
+          echo "is_changed=true" >> $GITHUB_OUTPUT
+        fi
+
+    - name: Push changes
+      if: steps.check_changes.outputs.is_changed == 'true'
+      shell: bash
+      run: |
+        set -x
+        git push origin sync-main-pr-${{ steps.generate_pr_id.outputs.pr_id }}${{ inputs.dry_run == 'true' && ' --dry-run' || '' }}
+
+    - name: Create the PR
+      if: steps.check_changes.outputs.is_changed == 'true' && inputs.dry_run == 'false'
+      shell: bash
+      run: |
+        set -x
+        runUrl="${{github.server_url}}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+        if [[ -n "${{ steps.merge.outputs.excluded_files }}" ]]; then
+          excludedFiles="${{ steps.merge.outputs.excluded_files }}"
+        else
+          excludedFiles="No files have been excluded<br />"
+        fi
+        prTitle="Automatic PR: Sync main with main-apache (${{steps.generate_pr_id.outputs.pr_id}})"
+        prBody="This pull request has been created by a GitHub workflow to synchronize the main branch with main-apache branch.<br /><br />\
+            <b>:warning:Important:warning:</b><br />Please don't merge using squash, not to lose the git history.<br /><br />\
+            <b>Excluded files:</b><br />${excludedFiles}<br />\
+            [View Action](${runUrl})"
+        if [[ -n "${{ inputs.main_sync_workflow_pr_reviewers }}" ]]; then
+          reviewersOption="--reviewer ${{inputs.main_sync_workflow_pr_reviewers}}"
+        fi
+        gh pr create --title "${prTitle}" --body "${prBody}" --base main $reviewersOption