[ci] tagging

.github/get-tags.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+
+from subprocess import check_output
+import sys
+
+branch = check_output(["git", "branch", "--show-current"], text=True).strip()
+describe = check_output(["git", "describe", "--tags"], text=True).strip()
+tag = describe.split("-")[0][1:]
+a, b, c = tag.split(".")
+
+if branch == "main":
+    print("tags=latest")
+elif branch.startswith("branch-2."):
+    if "-" in describe:
+        print(f"tags={a},{a}.{b}")
+    else:
+        print(f"tags={a},{a}.{b},{a}.{b}.{c}")
+else:
+    print("Only run from main or branch-2.X")
+    sys.exit(1)

.github/workflows/publish.yml

@@ -9,8 +9,8 @@ on:
     types: completed
   workflow_dispatch:
   push:
-    tags:
-      - 'v*'
+    branches:
+      - 'branch-2.*'
 
 jobs:
   publish:
@@ -23,13 +23,22 @@ jobs:
       uses: actions/checkout@v4
       with:
         ref: ${{ github.event.workflow_run.head_sha }}
+        fetch-tags: true
+        fetch-depth: 0
     - name: Checkout main commit
       if: ${{ github.event_name != 'workflow_run' }}
       uses: actions/checkout@v4
+      with:
+        fetch-tags: true
+        fetch-depth: 0
     - name: Set build vars
       run: |
         echo "BUILD_TIME=$(date +'%Y-%m-%dT%H:%M:%S')" >> $GITHUB_ENV
         echo "BUILD_HASH=$GITHUB_SHA" >> $GITHUB_ENV
+    - name: Get tags
+      id: get-tags
+      shell: bash
+      run: ./.github/get-tags.py >> $GITHUB_OUTPUT
     - name: Publish to Registry
       uses: elgohr/Publish-Docker-Github-Action@main
       with:
@@ -39,4 +48,4 @@ jobs:
         cache: ${{ github.event_name != 'schedule' }}
         buildoptions: "--build-arg RUN_TESTS=false"
         buildargs: BUILD_TIME,BUILD_HASH
-        tag_semver: true
+        tags: "${{ steps.get-tags.outputs.tags }}"