Replace scalafmtOnCompile with CI check

.github/workflows/ci.yml

@@ -40,4 +40,4 @@ jobs:
       if: ${{ matrix.jobtype == 1 }}
       shell: bash
       run: |
-        sbt -v -Dfile.encoding=UTF8 scalafmtCheckAll +test +packagedArtifacts
+        sbt -v -Dfile.encoding=UTF8 +test +packagedArtifacts

.github/workflows/format.yml

@@ -0,0 +1,23 @@
+name: Scalafmt
+
+permissions: {}
+
+on:
+  pull_request:
+    branches: ['**']
+
+jobs:
+  build:
+    name: Code is formatted
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout current branch (full)
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Check project is formatted
+        uses: jrouly/scalafmt-native-action@v3
+        with:
+          arguments: '--list'

.scalafmt.conf

@@ -1,4 +1,4 @@
-version = 3.7.4
+version = 3.8.3
 maxColumn = 100
 project.git = true
 project.excludeFilters = [ /sbt-test/, /input_sources/, /contraband-scala/ ]

build.sbt

@@ -26,7 +26,6 @@ ThisBuild / scmInfo := {
   Some(ScmInfo(url(s"https://github.com/$slug"), s"git@github.com:$slug.git"))
 }
 ThisBuild / licenses := List(("Apache-2.0", url("https://www.apache.org/licenses/LICENSE-2.0")))
-ThisBuild / scalafmtOnCompile := true
 ThisBuild / developers := List(
   Developer("harrah", "Mark Harrah", "@harrah", url("https://github.com/harrah")),
   Developer("eed3si9n", "Eugene Yokota", "@eed3si9n", url("http://eed3si9n.com/")),
@@ -67,8 +66,6 @@ def commonSettings: Seq[Setting[_]] = Def.settings(
   inCompileAndTest(
     (console / scalacOptions) --= Vector("-Ywarn-unused-import", "-Ywarn-unused", "-Xlint")
   ),
-  scalafmtOnCompile := true,
-  Test / scalafmtOnCompile := true,
   Compile / publishArtifact := true,
   Test / publishArtifact := false,
   Test / parallelExecution := false