From 3403c2e471024b132c9bfe069051437d4d2b53c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nils=20Kreienb=C3=BChl?= <nils.kreienbuehl@protonmail.com>
Date: Fri, 15 Sep 2023 16:11:31 +0200
Subject: [PATCH] workaround with forelast version HEAD

---
 .github/workflows/docker.yml | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 402d99fb..993f9729 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -28,6 +28,7 @@ jobs:
 
     outputs:
       version: ${{ steps.extract-version.outputs.version }}
+      version-forelast: ${{ steps.extract-version-forelast.outputs.version }}
       branch: ${{ steps.extract-branch.outputs.branch }}
 
     steps:
@@ -40,6 +41,12 @@ jobs:
           git fetch --prune --tags
           echo "version=`git tag -l --points-at=HEAD | sed -En 's/^v(.*)/\1/p'`" >> $GITHUB_OUTPUT
 
+      - name: Get version tag of HEAD~1 if any
+        id: extract-version-forelast
+        run: |
+          git fetch --prune --tags
+          echo "version-forelast=`git tag -l --points-at=HEAD~1 | sed -En 's/^v(.*)/\1/p'`" >> $GITHUB_OUTPUT
+
       - name: Extract branch name
         id: extract-branch
         shell: bash
@@ -51,7 +58,7 @@ jobs:
   build-and-push-image:
     runs-on: ubuntu-latest
     needs: prerequisites
-    if: github.event.pull_request.merged == true && needs.prerequisites.outputs.version == ''
+    if: github.event.pull_request.merged == true && needs.prerequisites.outputs.version == '' && needs.prerequisites.outputs.version-forelast == ''
 
     strategy:
       matrix:
@@ -118,7 +125,7 @@ jobs:
   retag-and-push-image:
     runs-on: ubuntu-latest
     needs: prerequisites
-    if: github.event.pull_request.merged == true && needs.prerequisites.outputs.version != ''
+    if: github.event.pull_request.merged == true && needs.prerequisites.outputs.version-forelast != ''
 
     steps:
       - name: Login to Docker registry