From 8e096b2697881df623f9349b14c0cf3352005c70 Mon Sep 17 00:00:00 2001
From: MrSphay <leifwilkens@gmail.com>
Date: Sun, 17 May 2026 12:52:12 +0200
Subject: [PATCH] ci: harden gitea workflow reruns

---
 .gitea/workflows/build.yml | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 0264ab8..cde440d 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -38,7 +38,12 @@ jobs:
         run: docker compose config
 
       - name: Build Docker image
-        run: docker build -t "${REGISTRY_HOST}/${REGISTRY_NAMESPACE}/${IMAGE_NAME}:${GITHUB_SHA}" .
+        shell: bash
+        run: |
+          image="${REGISTRY_HOST}/${REGISTRY_NAMESPACE}/${IMAGE_NAME}"
+          build_tag="build-${GITHUB_RUN_ID:-local}-${GITHUB_RUN_NUMBER:-0}"
+          echo "BUILD_IMAGE=${image}:${build_tag}" >> "$GITHUB_ENV"
+          docker build -t "${image}:${build_tag}" .
 
       - name: Publish Docker image
         if: ${{ env.REGISTRY_TOKEN != '' }}
@@ -47,8 +52,9 @@ jobs:
           image="${REGISTRY_HOST}/${REGISTRY_NAMESPACE}/${IMAGE_NAME}"
           date_tag="$(date -u +%Y%m%d)"
           echo "${REGISTRY_TOKEN}" | docker login "${REGISTRY_HOST}" -u "${REGISTRY_USERNAME}" --password-stdin
-          docker tag "${image}:${GITHUB_SHA}" "${image}:latest"
-          docker tag "${image}:${GITHUB_SHA}" "${image}:${date_tag}"
+          docker tag "${BUILD_IMAGE}" "${image}:${GITHUB_SHA}"
+          docker tag "${BUILD_IMAGE}" "${image}:latest"
+          docker tag "${BUILD_IMAGE}" "${image}:${date_tag}"
           docker push "${image}:${GITHUB_SHA}"
           docker push "${image}:latest"
           docker push "${image}:${date_tag}"