Add version bump workflow (#17)

.github/workflows/version-bump.yml

@@ -0,0 +1,142 @@
+
+---
+name: Version Bump
+run-name: Version Bump - v${{ inputs.version_number }}
+
+on:
+  workflow_dispatch:
+    inputs:
+      version_number:
+        description: "New version (example: '2024.2.0')"
+        required: true
+
+jobs:
+  bump_version:
+    name: "Bump Version to v${{ inputs.version_number }}"
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Login to Azure - CI Subscription
+        uses: Azure/login@e15b166166a8746d1a47596803bd8c1b595455cf # v1.6.0
+        with:
+         creds: ${{ secrets.AZURE_KV_CI_SERVICE_PRINCIPAL }}
+
+      - name: Retrieve secrets
+        id: retrieve-secrets
+        uses: bitwarden/gh-actions/get-keyvault-secrets@main
+        with:
+          keyvault: "bitwarden-ci"
+          secrets: "github-gpg-private-key,
+            github-gpg-private-key-passphrase,
+            github-pat-bitwarden-devops-bot-repo-scope"
+
+      - name: Checkout Branch
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          ref: main
+
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@01dd5d3ca463c7f10f7f4f7b4f177225ac661ee4 # v6.1.0
+        with:
+          gpg_private_key: ${{ steps.retrieve-secrets.outputs.github-gpg-private-key }}
+          passphrase: ${{ steps.retrieve-secrets.outputs.github-gpg-private-key-passphrase }}
+          git_user_signingkey: true
+          git_commit_gpgsign: true
+
+      - name: Create Version Branch
+        id: create-branch
+        run: |
+          NAME=version_bump_${{ github.ref_name }}_${{ inputs.version_number }}
+          git switch -c $NAME
+          echo "name=$NAME" >> $GITHUB_OUTPUT
+
+      - name: Install xmllint
+        run: sudo apt install -y libxml2-utils
+
+      - name: Verify input version
+        env:
+          NEW_VERSION: ${{ inputs.version_number }}
+        run: |
+          CURRENT_VERSION=$(xmllint -xpath "/Project/PropertyGroup/Version/text()" src/Handlebars.conf/Handlebars.conf.csproj)
+
+          # Error if version has not changed.
+          if [[ "$NEW_VERSION" == "$CURRENT_VERSION" ]]; then
+            echo "Version has not changed."
+            exit 1
+          fi
+
+          # Check if version is newer.
+          printf '%s\n' "${CURRENT_VERSION}" "${NEW_VERSION}" | sort -C -V
+          if [ $? -eq 0 ]; then
+            echo "Version check successful."
+          else
+            echo "Version check failed."
+            exit 1
+          fi
+
+      - name: Bump Version - csproj
+        uses: bitwarden/gh-actions/version-bump@main
+        with:
+          version: ${{ inputs.version_number }}
+          file_path: "src/Handlebars.conf/Handlebars.conf.csproj"
+
+      - name: Setup git
+        run: |
+          git config --local user.email "106330231+bitwarden-devops-bot@users.noreply.github.com"
+          git config --local user.name "bitwarden-devops-bot"
+
+      - name: Check if version changed
+        id: version-changed
+        run: |
+          if [ -n "$(git status --porcelain)" ]; then
+            echo "changes_to_commit=TRUE" >> $GITHUB_OUTPUT
+          else
+            echo "changes_to_commit=FALSE" >> $GITHUB_OUTPUT
+            echo "No changes to commit!";
+          fi
+
+      - name: Commit files
+        if: ${{ steps.version-changed.outputs.changes_to_commit == 'TRUE' }}
+        run: git commit -m "Bumped version to ${{ inputs.version_number }}" -a
+
+      - name: Push changes
+        if: ${{ steps.version-changed.outputs.changes_to_commit == 'TRUE' }}
+        env:
+          PR_BRANCH: ${{ steps.create-branch.outputs.name }}
+        run: git push -u origin $PR_BRANCH
+
+      - name: Create Version PR
+        if: ${{ steps.version-changed.outputs.changes_to_commit == 'TRUE' }}
+        id: create-pr
+        env:
+          GH_TOKEN: ${{ steps.retrieve-secrets.outputs.github-pat-bitwarden-devops-bot-repo-scope }}
+          PR_BRANCH: ${{ steps.create-branch.outputs.name }}
+          TITLE: "Bump version to ${{ inputs.version_number }}"
+        run: |
+          PR_URL=$(gh pr create --title "$TITLE" \
+            --base "main" \
+            --head "$PR_BRANCH" \
+            --label "version update" \
+            --label "automated pr" \
+            --body "
+              ## Type of change
+              - [ ] Bug fix
+              - [ ] New feature development
+              - [ ] Tech debt (refactoring, code cleanup, dependency upgrades, etc)
+              - [ ] Build/deploy pipeline (DevOps)
+              - [X] Other
+
+              ## Objective
+              Automated version bump to ${{ inputs.version_number }}")
+          echo "pr_number=${PR_URL##*/}" >> $GITHUB_OUTPUT
+
+      - name: Approve PR
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PR_NUMBER: ${{ steps.create-pr.outputs.pr_number }}
+        run: gh pr review $PR_NUMBER --approve
+
+      - name: Merge PR
+        env:
+          GH_TOKEN: ${{ steps.retrieve-secrets.outputs.github-pat-bitwarden-devops-bot-repo-scope }}
+          PR_NUMBER: ${{ steps.create-pr.outputs.pr_number }}
+        run: gh pr merge $PR_NUMBER --squash --auto --delete-branch