Setup GitHub Actions

.gitattributes

@@ -0,0 +1,2 @@
+* eol=lf
+*.png eol=autocrlf

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: CI
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  test:
+    name: ${{ matrix.command }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        command:
+          - "++2.12.11 test scripted"
+          - "++2.10.7 test 'scripted sbt-scalafix/*'"
+    steps:
+      - uses: actions/checkout@v2
+      - uses: olafurpg/setup-scala@v7
+      - run: sbt ${{ matrix.command }}
+  windows:
+    name: Windows tests
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: olafurpg/setup-scala@v7
+      - run: sbt ci-windows
+        shell: bash
+  checks:
+    name: Scalafmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: olafurpg/setup-scala@v7
+      - run: ./bin/scalafmt --test

project/Dependencies.scala

@@ -10,6 +10,6 @@ object Dependencies {
     // sbt-scalafix doesn't conflict with the user's installed version of sbt-coursier.
     // Details: https://github.com/olafurpg/coursier-small
     "com.geirsson" %% "coursier-small" % "1.3.3",
-    "io.get-coursier" % "interface" % "0.0.19"
+    "io.get-coursier" % "interface" % "0.0.21"
   )
 }

src/test/scala/scalafix/internal/sbt/ScalafixAPISuite.scala

@@ -10,6 +10,7 @@ import scalafix.interfaces.ScalafixError
 
 import scala.collection.JavaConverters._
 import org.scalatest.funsuite.AnyFunSuite
+import scala.util.Properties
 
 class ScalafixAPISuite extends AnyFunSuite {
 
@@ -23,6 +24,7 @@ class ScalafixAPISuite extends AnyFunSuite {
   }
 
   test("ScalafixPlugin.cli") {
+    assume(!Properties.isWin)
     val baos = new ByteArrayOutputStream()
     val logger = Compat.ConsoleLogger(new PrintStream(baos))
     val ScalafixInterface(_, args) = ScalafixInterface.fromToolClasspath(