fix(CI): stop ccache from freezing after the first run on a branch (#26481)

Co-authored-by: Ludwig <sudlud@users.noreply.github.com>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.github/workflows/codestyle.yml

@@ -10,6 +10,12 @@ on:
       - "!README.md"
       - "!docs/**"
 
+concurrency:
+  # New commits on a PR cancel the still-running codestyle check on the old
+  # commit. github.ref is refs/pull/<N>/merge, so the group is stable per PR.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   triage:
     runs-on: ubuntu-latest

.github/workflows/docker_build.yml

@@ -56,7 +56,7 @@ jobs:
 
       - name: Login to Docker Hub
         if: github.repository == 'azerothcore/azerothcore-wotlk' && github.ref_name == 'master'
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
@@ -115,7 +115,7 @@ jobs:
 
       - name: Trigger acore-docker CI
         if: github.repository == 'azerothcore/azerothcore-wotlk' && github.ref_name == 'master'
-        uses: peter-evans/repository-dispatch@v2
+        uses: peter-evans/repository-dispatch@v3
         with:
           token: ${{ secrets.ACORE_DOCKER_REPO_ACCESS_TOKEN }}
           repository: azerothcore/acore-docker

.github/workflows/macos_build.yml

@@ -9,7 +9,9 @@ on:
       - synchronize
 
 concurrency:
-  group: ${{ github.head_ref }} || concat(${{ github.ref_name }}, ${{ github.workflow }})
+  # One concurrency group per workflow + ref (matches the other build workflows).
+  # PRs cancel superseded runs; branch pushes are isolated by ref.
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 permissions:
@@ -35,9 +37,11 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/Library/Caches/ccache
-          key: ccache:${{ matrix.os }}:${{ github.ref_name }}
+          # Unique per run so the cache is re-saved every run instead of
+          # freezing on the first (a static key hits itself and skips upload).
+          key: ccache:${{ matrix.os }}:${{ github.ref_name }}-${{ github.run_id }}
           restore-keys: |
-            ccache:${{ matrix.os }}:${{ github.ref_name }}
+            ccache:${{ matrix.os }}:${{ github.ref_name }}-
             ccache:${{ matrix.os }}
       - name: reset ccache stats
         shell: bash

.github/workflows/sql-codestyle.yml

@@ -10,6 +10,12 @@ on:
       - "!README.md"
       - "!docs/**"
 
+concurrency:
+  # New commits on a PR cancel the still-running codestyle check on the old
+  # commit. github.ref is refs/pull/<N>/merge, so the group is stable per PR.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   triage:
     runs-on: ubuntu-latest