fix(ci): cache Windows Craft dependencies

Cache the dependency-only Craft environment using the current CraftMaster and blueprint revisions. Remove the unused OpenCppCoverage setup and use a shallow checkout.

Signed-off-by: Rello <github@scherello.de>

Assisted-by: Codex:GPT-5

Author: Rello

.github/workflows/windows-build-and-test.yml

@@ -10,18 +10,48 @@ jobs:
     runs-on: windows-2022
     env:
       CRAFT_TARGET: windows-msvc2022_64-cl
-      COBERTURA_COVERAGE_FILE: ${{ github.workspace }}\cobertura_coverage\coverage.xml
       CRAFT_MASTER_LOCATION: ${{ github.workspace }}\CraftMaster
       CRAFT_MASTER_CONFIG: ${{ github.workspace }}\craftmaster.ini
+      PYTHON_VERSION: '3.12'
     steps:
       - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
-          fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis
+          fetch-depth: 1
 
       - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
-          python-version: '3.12'
+          python-version: ${{ env.PYTHON_VERSION }}
+
+      - name: Resolve Craft dependency revisions
+        id: craft-revisions
+        shell: pwsh
+        run: |
+          function remoteRevision($repository, $ref) {
+              $revision = git ls-remote $repository $ref
+              if($LASTEXITCODE -ne 0 -or !$revision) {
+                  throw "Could not resolve $ref from $repository."
+              }
+              return ($revision -split '\s+')[0]
+          }
+
+          $craftMasterRevision = remoteRevision "https://invent.kde.org/packaging/craftmaster.git" "HEAD"
+          $kdeBlueprintRevision = remoteRevision "https://github.com/nextcloud/craft-blueprints-kde.git" "refs/heads/stable-34.0"
+          $nextcloudBlueprintRevision = remoteRevision "https://github.com/nextcloud/craft-blueprints-nextcloud.git" "refs/heads/stable-34.0"
+          "key=$craftMasterRevision-$kdeBlueprintRevision-$nextcloudBlueprintRevision" | Out-File -FilePath $env:GITHUB_OUTPUT -Encoding utf8 -Append
+
+      - name: Restore Craft dependencies
+        id: craft-cache
+        uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: |
+            ${{ env.CRAFT_MASTER_LOCATION }}
+            ${{ env.CRAFT_MASTER_CONFIG }}
+            ${{ github.workspace }}\craft-clone
+            ${{ github.workspace }}\${{ env.CRAFT_TARGET }}
+          key: ${{ runner.os }}-craft-v1-${{ env.CRAFT_TARGET }}-python-${{ env.PYTHON_VERSION }}-${{ steps.craft-revisions.outputs.key }}
+
       - name: Install Craft Master with Nextcloud Client Deps
+        if: steps.craft-cache.outputs.cache-hit != 'true'
         shell: pwsh
         run: |
           & cmd /C "git clone -q --depth=1 https://invent.kde.org/packaging/craftmaster.git ${{ env.CRAFT_MASTER_LOCATION }} 2>&1"
@@ -40,14 +70,12 @@ jobs:
         id: cache-install-opencppcoverage
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
-          path: C:\Program Files\OpenCppCoverage
-          key: ${{ runner.os }}-cache-install-opencppcoverage
-          
-      - name: Install OpenCppCoverage
-        if: steps.cache-install-opencppcoverage.outputs.cache-hit != 'true'
-        shell: pwsh
-        run: |
-          choco install opencppcoverage
+          path: |
+            ${{ env.CRAFT_MASTER_LOCATION }}
+            ${{ env.CRAFT_MASTER_CONFIG }}
+            ${{ github.workspace }}\craft-clone
+            ${{ github.workspace }}\${{ env.CRAFT_TARGET }}
+          key: ${{ runner.os }}-craft-v1-${{ env.CRAFT_TARGET }}-python-${{ env.PYTHON_VERSION }}-${{ steps.craft-revisions.outputs.key }}
 
       #- name: Cache Install inkscape
       #  id: cache-install-inkscape
@@ -65,7 +93,6 @@ jobs:
       - name: Setup PATH
         shell: pwsh
         run: |
-          echo "C:\Program Files\OpenCppCoverage" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
           echo "${{ github.workspace }}\${{ env.CRAFT_TARGET }}\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
    
       - name: Compile
@@ -78,7 +105,7 @@ jobs:
           
           craft --src-dir ${{ github.workspace }} nextcloud-client
           
-      - name: Run tests with coverage
+      - name: Run tests
         shell: pwsh
         run: |
           function runTests() {