Provide coverage report after build (#17)

.github/workflows/upload-coverage-report.yml

@@ -2,6 +2,8 @@ name: Upload Coverage Report
 
 on:
   workflow_dispatch:
+  schedule:
+    - cron: '0 5 * * *' # daily at 00:05
 
 jobs:
   update-coverage-report:
@@ -19,38 +21,105 @@ jobs:
     concurrency:
       group: "pages"
       cancel-in-progress: false
-    strategy:
-      matrix:
-        spec:
-            - .github/workflows/dotnet-windows.yml codecoverage-report-windows-net8.0-Release, codecoverage-report-windows-net481-Release
-            - .github/workflows/dotnet-ubuntu.yml codecoverage-report-ubuntu-net8.0-Release
+
+    env:
+      OUTPUT_DIR: _site/coverage
+      WORKFLOW_SPEC: >
+        dotnet-windows.yml: coverage-report-windows-net8.0-Release,coverage-report-windows-net481-Release |
+        dotnet-ubuntu.yml:  coverage-report-ubuntu-net8.0-Release
     steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0 # avoid shallow clone so that nbgv can do its work.
+
+    - name: Check for commits
+      id: check
+      run: |
+        if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
+            echo "update_report=true" >> "$GITHUB_OUTPUT"
+        else
+            commit_count=$(git log --oneline --since '24 hours ago' | wc -l)
+            echo "$commit_count found in the last 24 hours"
+            if [[ $commit_count -gt 0 ]]; then
+                echo "update_report=true" >> "$GITHUB_OUTPUT"
+            else
+                echo "update_report=false" >> "$GITHUB_OUTPUT"
+            fi
+        fi
+
     - name: 'Download latest successful build artifact'
       run: |
-        IFS=' ' read -ra spec <<< "${{ matrix.spec }}"
-        workflow_id=$(echo ${spec[0]} | xargs)
-        run_id=$(gh run list -w $workflow_id --json conclusion,headBranch,databaseId --jq 'first(.[] | select(.conclusion | contains("success"))) | .databaseId')
-        [ -z "$run_id" ] && echo "::error:::No successful run found for workflow '$workflow_id'" && exit 1 || true
-        echo "::notice::Last successful run for workflow '$workflow_id' is '$run_id'"
-        IFS=',' read -ra artifacts <<< "${spec[@]:1}"
-        for i in "${artifacts[@]}"; do
-          artifact_id=$(echo $i | xargs)
-          artifact_subdir=$(echo $artifact_id | sed 's/codecoverage-report-//g')
-          echo "::notice::Downloading '$artifact_id'"
-          gh run download $run_id -n $artifact_id -D $ARTIFACTS_TMP_DIR
-          unzip $ARTIFACTS_TMP_DIR/${artifact_id}.zip -d $OUTPUT_DIR/$artifact_subdir
+        IFS='|' read -ra wsspec <<< "${{ env.WORKFLOW_SPEC }}"
+        for ispec in "${wsspec[@]}"; do
+            IFS=':' read -ra spec <<< "$ispec"
+            workflow_id=$(echo ${spec[0]} | xargs)
+
+            echo "Getting last successful run for workflow '$workflow_id'"
+
+            run_id=$(gh run list -w $workflow_id --json conclusion,headBranch,databaseId --jq 'first(.[] | select(.conclusion | contains("success"))) | .databaseId')
+            if [ -z "$run_id" ]; then
+              echo "::error::No successful run found for workflow '$workflow_id'" 1>&2
+              exit 1
+            fi
+            echo "Last successful run for workflow '$workflow_id' is '$run_id'"
+
+            IFS=',' read -ra artifacts <<< "${spec[@]:1}"
+            for i in "${artifacts[@]}"; do
+                artifact_id=$(echo $i | xargs)
+                artifact_subdir=$OUTPUT_DIR/$(echo $artifact_id | sed 's/coverage-report-//g' | tr '[:upper:]' '[:lower:]')
+
+                echo "Downloading artifact '$artifact_id' for workflow '$workflow_id'"
+                gh run download $run_id -n $artifact_id -D $artifact_subdir || exit 1
+            done
         done
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        WF_SPEC: ${{ matrix.spec }}
-        ARTIFACTS_TMP_DIR: artifacts
-        OUTPUT_DIR: coverage-results
+      if: ${{ steps.check.outputs.update_report }}
+
+    - name: Generate Badges
+      run: |
+        for summary in $OUTPUT_DIR/**/Summary.json
+        do
+          echo "Generate badge for $summary"
+          badge_content=$(echo $(basename $(dirname $summary)) | sed -e 's/-release//g' -e 's/-debug//g' -e 's/_/__/g' -e 's/-/--/g' -e 's/ /_/g')
+
+          branch_coverage=$(printf "%.0f" $(jq ".summary.branchcoverage" $summary))
+          line_coverage=$(printf "%.0f" $(jq ".summary.linecoverage" $summary))
+
+          if (( branch_coverage < line_coverage )); then
+            min_coverage=$branch_coverage
+          else
+            min_coverage=$line_coverage
+          fi
+
+          if [[ $min_coverage -le 50 ]]; then
+            badge_color=red
+          elif [[ $min_coverage -le 70 ]]; then
+            badge_color=magenta
+          elif [[ $min_coverage -le 90 ]]; then
+            badge_color=yellow
+          else
+            badge_color=green
+          fi
+
+          badge_url="https://img.shields.io/badge/coverage_${badge_content}-b_${branch_coverage}%25_l_${line_coverage}%25-${badge_color}?style=flat-square"
+          echo "Badge URL: $badge_url"
+          curl -o $(dirname $summary)/badge.svg "$badge_url"
+        done
+      if: ${{ steps.check.outputs.update_report }}
+
     - name: Setup Pages
       uses: actions/configure-pages@v5
+      if: ${{ steps.check.outputs.update_report }}
+
     - name: Upload Pages
       uses: actions/upload-pages-artifact@v3        
       with:
-        path: coverage-results
+        path: _site/coverage
+      if: ${{ steps.check.outputs.update_report }}
+
     - name: Deploy Pages
       id: deployment
       uses: actions/deploy-pages@v4
+      if: ${{ steps.check.outputs.update_report }}

README.md

@@ -7,6 +7,12 @@ Uses platform APIs to find processes locking one or multiple files or directorie
 [![windows](https://github.com/cklutz/LockCheck/workflows/Windows/badge.svg)](https://github.com/cklutz/LockCheck/actions?query=workflow%3AWindows)
 [![ubuntu](https://github.com/cklutz/LockCheck/workflows/Ubuntu/badge.svg)](https://github.com/cklutz/LockCheck/actions?query=workflow%3AUbuntu)
 
+<!-- coverage badges are static files, include "cache-control" in url to make sure they refresh; values same as for GitHub badge.svg on builds -->
+[![](https://cklutz.github.io/LockCheck/ubuntu-net8.0-release/badge.svg?cache-control=max-age=300,private)](https://cklutz.github.io/LockCheck/ubuntu-net8.0-release)
+[![](https://cklutz.github.io/LockCheck/windows-net8.0-release/badge.svg?cache-control=max-age=300,private)](https://cklutz.github.io/LockCheck/windows-net8.0-release)
+[![](https://cklutz.github.io/LockCheck/windows-net481-release/badge.svg?cache-control=max-age=300,private)](https://cklutz.github.io/LockCheck/windows-net481-release)
+
+
 ### Platforms
 
 ## Windows