Set executable file extension

acceptance/init_test.go

@@ -3,6 +3,7 @@ package acceptance
 import (
 	"os"
 	"path/filepath"
+	"runtime"
 	"testing"
 	"time"
 
@@ -14,11 +15,11 @@ import (
 func TestInit(t *testing.T) {
 	srcDir := createMockSourceFiles(t)
 	destDir := t.TempDir()
-	orchSrc := filepath.Join(srcDir, "orchestrator")
-	orchDest := filepath.Join(destDir, "orchestrator")
-	agentSrc := filepath.Join(srcDir, "circleci-agent")
-	agentDest := filepath.Join(destDir, "circleci-agent")
-	circleciDest := filepath.Join(destDir, "circleci")
+	orchSrc := path(t, srcDir, "orchestrator")
+	orchDest := path(t, destDir, "orchestrator")
+	agentSrc := path(t, srcDir, "circleci-agent")
+	agentDest := path(t, destDir, "circleci-agent")
+	circleciDest := path(t, destDir, "circleci")
 
 	r := runner.New(
 		"SOURCE="+srcDir,
@@ -54,10 +55,10 @@ func createMockSourceFiles(t *testing.T) string {
 
 	srcDir := t.TempDir()
 
-	err := os.WriteFile(filepath.Join(srcDir, "orchestrator"), []byte("mock orchestrator data"), 0600)
+	err := os.WriteFile(path(t, srcDir, "orchestrator"), []byte("mock orchestrator data"), 0600)
 	assert.NilError(t, err)
 
-	err = os.WriteFile(filepath.Join(srcDir, "circleci-agent"), []byte("mock agent data"), 0600)
+	err = os.WriteFile(path(t, srcDir, "circleci-agent"), []byte("mock agent data"), 0600)
 	assert.NilError(t, err)
 
 	return srcDir
@@ -78,3 +79,14 @@ func assertFileIsCopied(t *testing.T, src, dest string) {
 	assert.NilError(t, err)
 	assert.Check(t, cmp.DeepEqual(srcContents, destContents), "files should have same contents")
 }
+
+func path(t *testing.T, a, b string) string {
+	t.Helper()
+
+	p := filepath.Join(a, b)
+
+	if runtime.GOOS == "windows" {
+		return p + ".exe"
+	}
+	return p
+}

docker/windows.Dockerfile

@@ -13,4 +13,6 @@ FROM mcr.microsoft.com/windows/nanoserver:ltsc2025
 
 COPY --from=builder / /
 
-ENTRYPOINT ["c:\\orchestrator.exe", "init"]
+WORKDIR /
+
+ENTRYPOINT ["orchestrator.exe", "init"]

init/binaries_unix.go

@@ -0,0 +1,9 @@
+//go:build !windows
+
+package init
+
+const (
+	binOrchestrator  = "orchestrator"
+	binCircleciAgent = "circleci-agent"
+	binCircleci      = "circleci"
+)

init/binaries_windows.go

@@ -0,0 +1,7 @@
+package init
+
+const (
+	binOrchestrator  = "orchestrator.exe"
+	binCircleciAgent = "circleci-agent.exe"
+	binCircleci      = "circleci.exe"
+)

init/init.go

@@ -10,20 +10,20 @@ import (
 // Run function performs the copying of specific files and symlink creation
 func Run(srcDir, destDir string) error {
 	// Copy the orchestrator binary
-	orchestratorSrc := filepath.Join(srcDir, "orchestrator")
-	orchestratorDest := filepath.Join(destDir, "orchestrator")
+	orchestratorSrc := filepath.Join(srcDir, binOrchestrator)
+	orchestratorDest := filepath.Join(destDir, binOrchestrator)
 	if err := copyFile(orchestratorSrc, orchestratorDest); err != nil {
 		return err
 	}
 
 	// Copy the task agent binary
-	agentSrc := filepath.Join(srcDir, "circleci-agent")
-	agentDest := filepath.Join(destDir, "circleci-agent")
+	agentSrc := filepath.Join(srcDir, binCircleciAgent)
+	agentDest := filepath.Join(destDir, binCircleciAgent)
 	if err := copyFile(agentSrc, agentDest); err != nil {
 		return err
 	}
 	// Create symbolic link from "circleci-agent" to "circleci"
-	if err := os.Symlink(agentDest, filepath.Join(destDir, "circleci")); err != nil {
+	if err := os.Symlink(agentDest, filepath.Join(destDir, binCircleci)); err != nil {
 		return err
 	}
 

init/init_test.go

@@ -13,11 +13,11 @@ import (
 func TestRun(t *testing.T) {
 	srcDir := createMockSourceFiles(t)
 	destDir := t.TempDir()
-	orchSrc := filepath.Join(srcDir, "orchestrator")
-	orchDest := filepath.Join(destDir, "orchestrator")
-	agentSrc := filepath.Join(srcDir, "circleci-agent")
-	agentDest := filepath.Join(destDir, "circleci-agent")
-	circleciDest := filepath.Join(destDir, "circleci")
+	orchSrc := filepath.Join(srcDir, binOrchestrator)
+	orchDest := filepath.Join(destDir, binOrchestrator)
+	agentSrc := filepath.Join(srcDir, binCircleciAgent)
+	agentDest := filepath.Join(destDir, binCircleciAgent)
+	circleciDest := filepath.Join(destDir, binCircleci)
 
 	t.Run("Copy files and create symlink", func(t *testing.T) {
 		err := Run(srcDir, destDir)
@@ -47,10 +47,10 @@ func createMockSourceFiles(t *testing.T) string {
 
 	srcDir := t.TempDir()
 
-	err := os.WriteFile(filepath.Join(srcDir, "orchestrator"), []byte("mock orchestrator data"), 0600)
+	err := os.WriteFile(filepath.Join(srcDir, binOrchestrator), []byte("mock orchestrator data"), 0600)
 	assert.NilError(t, err)
 
-	err = os.WriteFile(filepath.Join(srcDir, "circleci-agent"), []byte("mock agent data"), 0600)
+	err = os.WriteFile(filepath.Join(srcDir, binCircleciAgent), []byte("mock agent data"), 0600)
 	assert.NilError(t, err)
 
 	return srcDir