Update release-tag.yaml to our own workflow

Author: BigSpaceships

.github/workflows/release-tag.yaml

@@ -2,14 +2,36 @@ name: Tag Release
 
 on:
   release:
+    types: [published]
+
+concurrency:
+  group: release-tag
+  cancel-in-progress: false
+
+permissions:
+  contents: write
 
 jobs:
   update-tag:
     runs-on: ubuntu-latest
-
+    if: ${{ !github.event.release.prerelease && !github.event.release.draft }}
+    
     steps:
-    - name: Run latest-tag
-      uses: EndBug/latest-tag@latest
-      with:
-        ref: prod
-        description: Latest release to prod
+      - name: Checkout the release commit
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.release.tag_name }}
+          fetch-depth: 1
+
+      - name: Configure git identity
+        run: |
+          git config user.name  "latest github tag bot"
+          git config user.email "webmaster@csh.rit.edu"
+
+      - name: Move "latest" to the release commit
+        run: |
+          set -euo pipefail
+          target_sha="$(git rev-parse "HEAD^{commit}")" # parses tag to git sha hash
+          echo "Release ${{ github.event.release.tag_name }} -> ${target_sha}"
+          git tag --force latest "${target_sha}"
+          git push --force origin refs/tags/latest