Separate format check

.codecov.yml

@@ -0,0 +1,5 @@
+# xref: https://docs.codecov.io/docs/codecovyml-reference
+
+# Disable annotations (annoying!)
+github_checks:
+  annotations: false

.github/workflows/FormatCheck.yml

@@ -0,0 +1,43 @@
+name: format-check
+
+on:
+  push:
+    branches:
+      - 'main'
+    tags: '*'
+  pull_request:
+
+jobs:
+  check-format:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        julia-version: [1]
+        os: [ubuntu-latest]
+    steps:
+      - name: Check out project
+        uses: actions/checkout@v4
+      - name: Set up Julia
+        uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.julia-version }}
+      - run: julia -e 'using InteractiveUtils; versioninfo(verbose=true)'
+      - uses: julia-actions/cache@v1
+      - name: Install JuliaFormatter and format
+        # This will use the latest version by default but you can set the version like so:
+        #
+        # julia  -e 'using Pkg; Pkg.add(PackageSpec(name = "JuliaFormatter", version = "0.13.0"))'
+        run: |
+          julia  -e 'using Pkg; Pkg.add(PackageSpec(name = "JuliaFormatter"))'
+          julia  -e 'using JuliaFormatter; format(".")'
+      - name: Format check
+        run: |
+          julia -e '
+          out = Cmd(`git diff --name-only`) |> read |> String
+          if out == ""
+              exit(0)
+          else
+              @error "Some files have not been formatted !!!"
+              write(stdout, out)
+              exit(1)
+          end'

.github/workflows/ci.yml

@@ -56,12 +56,6 @@ jobs:
           version: ${{ matrix.version }}
       - run: julia -e 'using InteractiveUtils; versioninfo(verbose=true)'
       - uses: julia-actions/cache@v1
-      - name: Apply JuliaFormatter and check format
-        if: matrix.os == 'ubuntu-latest'
-        run: |
-          julia -e 'using Pkg; Pkg.add("JuliaFormatter")'
-          julia -e 'using JuliaFormatter; !format(".", verbose=true) &&
-            error("Code not properly formatted")'
       - name: Build package
         uses: julia-actions/julia-buildpkg@v1
       - name: Run tests