build: Replace Travis with Github Actions

Author: bep

.github/FUNDING.yml

@@ -0,0 +1 @@
+github: [bep]

.github/workflows/test.yml

@@ -0,0 +1,35 @@
+on:
+  push:
+    branches: [master]
+  pull_request:
+name: Test
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.21.x, 1.22.x]
+        platform: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.platform }}
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Install staticcheck
+        run: go install honnef.co/go/tools/cmd/staticcheck@latest
+        shell: bash
+      - name: Update PATH
+        run: echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
+        shell: bash
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Fmt
+        if: matrix.platform != 'windows-latest' # :(
+        run: "diff <(gofmt -d .) <(printf '')"
+        shell: bash
+      - name: Vet
+        run: go vet ./...
+      - name: Staticcheck
+        run: staticcheck ./...
+      - name: Test
+        run: go test -race ./...

.travis.yml

@@ -19,7 +19,7 @@ var (
 	// will be modified during tests
 	gitExec string
 
-	GitNotFound = errors.New("Git executable not found in $PATH")
+	ErrGitNotFound = errors.New("git executable not found in $PATH")
 )
 
 type GitRepo struct {
@@ -75,7 +75,6 @@ func Map(repository, revision string) (*GitRepo, error) {
 
 	gitLogArgs = append([]string{"-c", "diff.renames=0", "-c", "log.showSignature=0", "-C", repository, "log"}, gitLogArgs...)
 	out, err = git(gitLogArgs...)
-
 	if err != nil {
 		return nil, err
 	}
@@ -110,7 +109,7 @@ func git(args ...string) ([]byte, error) {
 	if err != nil {
 		if ee, ok := err.(*exec.Error); ok {
 			if ee.Err == exec.ErrNotFound {
-				return nil, GitNotFound
+				return nil, ErrGitNotFound
 			}
 		}
 

gitmap.go

@@ -171,7 +171,6 @@ func assertMessage(
 	if gi.Body != expectedBody {
 		t.Error("Incorrect commit body. Got", gi.Body)
 	}
-
 }
 
 func TestActiveRevision(t *testing.T) {
@@ -201,7 +200,7 @@ func TestGitExecutableNotFound(t *testing.T) {
 	gitExec = "thisShouldHopefullyNotExistOnPath"
 	gi, err := Map(repository, revision)
 
-	if err != GitNotFound || gi != nil {
+	if err != ErrGitNotFound || gi != nil {
 		t.Fatal("Invalid error handling")
 	}
 }