[DPE-2804] Split off lib check

.github/workflows/ci.yaml

@@ -48,21 +48,6 @@ jobs:
       - name: Upload Coverage to Codecov
         uses: codecov/codecov-action@v3
 
-  lib-check:
-    name: Check libraries
-    runs-on: ubuntu-latest
-    timeout-minutes: 5
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-      - name: Check libs
-        uses: canonical/charming-actions/[email protected]
-        with:
-          credentials: "${{ secrets.CHARMHUB_TOKEN }}"
-          github-token: "${{ secrets.GITHUB_TOKEN }}"
-
   build:
     name: Build charms
     uses: canonical/data-platform-workflows/.github/workflows/build_charms_with_cache.yaml@v2
@@ -101,7 +86,6 @@ jobs:
             free-disk-space: true
     name: ${{ matrix.tox-environments }} | ${{ matrix.agent-versions }}
     needs:
-      - lib-check
       - lint
       - unit-test
       - build

.github/workflows/lib-check.yaml

@@ -0,0 +1,38 @@
+# Copyright 2022 Canonical Ltd.
+# See LICENSE file for licensing details.
+name: Check libs
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  pull_request:
+    paths-ignore:
+      - '.gitignore'
+      - '.jujuignore'
+      - 'LICENSE'
+      - '**.md'
+      - 'renovate.json'
+  schedule:
+    - cron: '53 0 * * *' # Daily at 00:53 UTC
+  # Triggered on push to branch "main" by .github/workflows/release.yaml
+  workflow_call:
+
+jobs:
+  lib-check:
+    name: Check libraries
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    if: ${{ github.event.pull_request.head.repo.full_name == 'canonical/postgresql-operator' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
+        with:
+          fetch-depth: 0
+      - name: Check libs
+        uses: canonical/charming-actions/[email protected]
+        with:
+          credentials: "${{ secrets.CHARMHUB_TOKEN }}"
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+

.github/workflows/release.yaml

@@ -13,6 +13,7 @@ on:
       - poetry.lock
       - pyproject.toml
       - '.github/workflows/ci.yaml'
+      - '.github/workflows/lib-check.yaml'
 
 jobs:
   ci-tests: