Use a scheduled job for codecov

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

@@ -44,10 +44,6 @@ jobs:
                       framework: net5.0
                       runtime: -x64
                       codecov: false
-                    - os: ubuntu-latest
-                      framework: netcoreapp3.1
-                      runtime: -x64
-                      codecov: true
                     - os: macos-latest
                       framework: netcoreapp3.1
                       runtime: -x64
@@ -153,12 +149,6 @@ jobs:
                 name: actual_output_${{ runner.os }}_${{ matrix.options.framework }}${{ matrix.options.runtime }}.zip
                 path: tests/Images/ActualOutput/
 
-            - name: Codecov Update
-              uses: codecov/codecov-action@v1
-              if: matrix.options.codecov == true && startsWith(github.repository, 'SixLabors')
-              with:
-                flags: unittests
-
     Publish:
         needs: [Build]
 

.github/workflows/code-coverage.yml

@@ -0,0 +1,81 @@
+name: CodeCoverage
+
+on:
+  schedule:
+    # 2AM every Tuesday/Thursday
+    - cron:  '0 2 * * 2,4'
+jobs:
+    Build:
+        strategy:
+            matrix:
+                options:
+                    - os: ubuntu-latest
+                      framework: netcoreapp3.1
+                      runtime: -x64
+                      codecov: true
+
+        runs-on: ${{matrix.options.os}}
+
+        steps:
+            - name: Git Config
+              shell: bash
+              run: |
+                  git config --global core.autocrlf false
+                  git config --global core.longpaths true
+
+            - name: Git Checkout
+              uses: actions/checkout@v2
+              with:
+                fetch-depth: 0
+                submodules: recursive
+            
+            # See https://github.com/actions/checkout/issues/165#issuecomment-657673315
+            - name: Git Create LFS FileList
+              run: git lfs ls-files -l | cut -d' ' -f1 | sort > .lfs-assets-id
+
+            - name: Git Setup LFS Cache
+              uses: actions/cache@v2
+              id: lfs-cache
+              with:
+                path: .git/lfs
+                key: ${{ runner.os }}-lfs-${{ hashFiles('.lfs-assets-id') }}-v1
+
+            - name: Git Pull LFS
+              run: git lfs pull
+
+            - name: NuGet Install
+              uses: NuGet/setup-nuget@v1
+
+            - name: NuGet Setup Cache
+              uses: actions/cache@v2
+              id: nuget-cache
+              with:
+                  path: ~/.nuget
+                  key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj', '**/*.props', '**/*.targets') }}
+                  restore-keys: ${{ runner.os }}-nuget-
+
+            - name: DotNet Build
+              shell: pwsh
+              run: ./ci-build.ps1 "${{matrix.options.framework}}"
+              env:
+                SIXLABORS_TESTING: True
+
+            - name: DotNet Test
+              shell: pwsh
+              run: ./ci-test.ps1 "${{matrix.options.os}}" "${{matrix.options.framework}}" "${{matrix.options.runtime}}" "${{matrix.options.codecov}}"
+              env:
+                SIXLABORS_TESTING: True
+                XUNIT_PATH: .\tests\ImageSharp.Tests # Required for xunit
+
+            - name: Export Failed Output
+              uses: actions/upload-artifact@v2
+              if: failure()
+              with:
+                name: actual_output_${{ runner.os }}_${{ matrix.options.framework }}${{ matrix.options.runtime }}.zip
+                path: tests/Images/ActualOutput/
+
+            - name: Codecov Update
+              uses: codecov/codecov-action@v1
+              if: matrix.options.codecov == true && startsWith(github.repository, 'SixLabors')
+              with:
+                flags: unittests