fix: Simplify auto-tag to tag-only

.github/workflows/version-bump.yml

@@ -1,49 +1,22 @@
-name: Version Bump
+name: Auto Tag
 
 on:
   push:
     branches: [main]
 
-# Prevent concurrent version bumps
-concurrency:
-  group: version-bump
-  cancel-in-progress: false
-
 jobs:
-  bump:
+  tag:
     runs-on: ubuntu-latest
-    # Skip if the commit was made by this action (prevent infinite loop)
-    if: "!startsWith(github.event.head_commit.message, 'v')"
-
     permissions:
       contents: write
 
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          token: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Determine bump type from commit message
-        id: bump
-        run: |
-          MSG="${{ github.event.head_commit.message }}"
-          # Extract first line of squash commit message
-          FIRST_LINE=$(echo "$MSG" | head -1)
-
-          if echo "$FIRST_LINE" | grep -qiE '^breaking[:(]|BREAKING CHANGE'; then
-            echo "type=major" >> "$GITHUB_OUTPUT"
-          elif echo "$FIRST_LINE" | grep -qiE '^feat[:(]'; then
-            echo "type=minor" >> "$GITHUB_OUTPUT"
-          else
-            echo "type=patch" >> "$GITHUB_OUTPUT"
-          fi
-
-          echo "Commit: $FIRST_LINE"
-          echo "Bump type: $(cat "$GITHUB_OUTPUT" | grep type | cut -d= -f2)"
 
-      - name: Read current version
-        id: current
+      - name: Read version from __init__.py
+        id: version
         run: |
           VERSION=$(python3 -c "
           import re
@@ -52,39 +25,26 @@ jobs:
               print(match.group(1))
           ")
           echo "version=$VERSION" >> "$GITHUB_OUTPUT"
-          echo "Current version: $VERSION"
+          echo "Version: $VERSION"
 
-      - name: Calculate new version
-        id: new
+      - name: Check if tag already exists
+        id: check
         run: |
-          IFS='.' read -r MAJOR MINOR PATCH <<< "${{ steps.current.outputs.version }}"
-          BUMP="${{ steps.bump.outputs.type }}"
-
-          if [ "$BUMP" = "major" ]; then
-            MAJOR=$((MAJOR + 1))
-            MINOR=0
-            PATCH=0
-          elif [ "$BUMP" = "minor" ]; then
-            MINOR=$((MINOR + 1))
-            PATCH=0
+          TAG="v${{ steps.version.outputs.version }}"
+          if git rev-parse "$TAG" >/dev/null 2>&1; then
+            echo "exists=true" >> "$GITHUB_OUTPUT"
+            echo "Tag $TAG already exists, skipping"
           else
-            PATCH=$((PATCH + 1))
+            echo "exists=false" >> "$GITHUB_OUTPUT"
+            echo "Tag $TAG does not exist, will create"
           fi
 
-          NEW_VERSION="$MAJOR.$MINOR.$PATCH"
-          echo "version=$NEW_VERSION" >> "$GITHUB_OUTPUT"
-          echo "New version: $NEW_VERSION ($BUMP bump)"
-
-      - name: Update version in __init__.py
-        run: |
-          sed -i "s/__version__ = \".*\"/__version__ = \"${{ steps.new.outputs.version }}\"/" shipkit/__init__.py
-          cat shipkit/__init__.py
-
-      - name: Commit and tag
+      - name: Create tag
+        if: steps.check.outputs.exists == 'false'
         run: |
+          TAG="v${{ steps.version.outputs.version }}"
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add shipkit/__init__.py
-          git commit -m "v${{ steps.new.outputs.version }}"
-          git tag "v${{ steps.new.outputs.version }}"
-          git push origin main --tags
+          git tag "$TAG"
+          git push origin "$TAG"
+          echo "Created and pushed tag $TAG"