Cleanup outdated git tags

.github/workflows/ci.yaml

@@ -52,3 +52,42 @@ jobs:
               ref: "refs/tags/v${{ steps.semantic_version.outputs.semantic_version }}",
               sha: context.sha
             })
+      - name: Delete Git Tags
+        uses: actions/github-script@v7
+        if: github.ref == 'refs/heads/main'
+        with:
+          script: |
+            const existingFeatureBranches = (await github.rest.repos.listBranches({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+            })).data.map(branch => branch.name);
+
+            console.log("Existing feature branches:", existingFeatureBranches);
+
+            const tags = await github.rest.git.listMatchingRefs({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              ref: 'tags/v',
+            });
+
+            for (const tag of tags.data) {
+              const tagName = tag.ref.replace('refs/tags/', '');
+              console.log("Tag:", tagName);
+
+              const tagParts = /^v[0-9]*\.[0-9]*\.[0-9]*-(.*)\.([0-9]*)$/.exec(tagName);
+              if (tagParts) {
+                const featureBranchName = tagParts[1];
+                console.log("Feature branch name:", featureBranchName);
+
+                if (!existingFeatureBranches.includes(`feature/${featureBranchName}`)) {
+                  console.log(`Branch ${featureBranchName} does not exist, so deleting tag ${tagName}`);
+                  await github.rest.git.deleteRef({
+                    owner: context.repo.owner,
+                    repo: context.repo.repo,
+                    ref: `tags/${tagName}`,
+                  });
+                } else {
+                  console.log(`Branch ${featureBranchName} exists, so not deleting tag ${tagName}`);
+                }
+              }
+            }

README.md

@@ -1 +1,5 @@
-# sample-git-tag
+# sample-git-tag
+
+Sample application how to cleanup outdated Git tags.
+
+See my [article](https://medium.com/@kinneko-de/7d17fa85c175) how to create this by yourself.

manual.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+git fetch --tags --prune --prune-tags
+
+existingfeaturebranches=$(git branch -r | sed 's/^ *//;s/ *$//' | egrep -v "^main")
+echo "Existing feature branches: $existingfeaturebranches"
+
+for tag in $(git tag --list 'v[0-9]*\.[0-9]*\.[0-9]*-*')
+do
+  echo "Tag: $tag"
+  # regex to match the tag name: pattern is v1.2.3-featurename.buildnumber
+  [[ $tag =~ ^v[0-9]*\.[0-9]*\.[0-9]*-(.*)\.([0-9]*)$ ]]
+  featurebranchname=${BASH_REMATCH[1]}
+  echo "Feature branch name: $featurebranchname"
+  if [[ $existingfeaturebranches =~ "feature/$featurebranchname" ]]
+  then
+    echo "Branch $featurebranchname exists, so not deleting tag $tag"
+  else
+    echo "Branch $featurebranchname does not exist, so deleting tag $tag"
+    git push origin --delete $tag
+    git tag -d $tag
+  fi
+done
+
+read -p "Press any key to end ..."