fix: use command mode when executing powershell scripts on windows (#569)

internal/api/backresthandler_test.go

@@ -248,16 +248,17 @@ func TestMultipleBackup(t *testing.T) {
 
 func TestHookExecution(t *testing.T) {
 	t.Parallel()
-
-	if runtime.GOOS == "windows" {
-		t.Skip("skipping test on windows")
-	}
-
 	dir := t.TempDir()
-
 	hookOutputBefore := path.Join(dir, "before.txt")
 	hookOutputAfter := path.Join(dir, "after.txt")
 
+	commandBefore := fmt.Sprintf("echo before > %s", hookOutputBefore)
+	commandAfter := fmt.Sprintf("echo after > %s", hookOutputAfter)
+	if runtime.GOOS == "windows" {
+		commandBefore = fmt.Sprintf("echo \"before\" | Out-File -FilePath %q", hookOutputBefore)
+		commandAfter = fmt.Sprintf("echo \"after\" | Out-File -FilePath %q", hookOutputAfter)
+	}
+
 	sut := createSystemUnderTest(t, &config.MemoryStore{
 		Config: &v1.Config{
 			Modno:    1234,
@@ -287,7 +288,7 @@ func TestHookExecution(t *testing.T) {
 							},
 							Action: &v1.Hook_ActionCommand{
 								ActionCommand: &v1.Hook_Command{
-									Command: "echo before > " + hookOutputBefore,
+									Command: commandBefore,
 								},
 							},
 						},
@@ -297,7 +298,7 @@ func TestHookExecution(t *testing.T) {
 							},
 							Action: &v1.Hook_ActionCommand{
 								ActionCommand: &v1.Hook_Command{
-									Command: "echo after > " + hookOutputAfter,
+									Command: commandAfter,
 								},
 							},
 						},

internal/hook/types/command.go

@@ -34,7 +34,7 @@ func (commandHandler) Execute(ctx context.Context, h *v1.Hook, vars interface{},
 	// Parse out the shell to use if a #! prefix is present
 	shell := []string{"sh"}
 	if runtime.GOOS == "windows" {
-		shell = []string{"powershell", "-nologo", "-noprofile"}
+		shell = []string{"powershell", "-NoLogo", "-NoProfile", "-Command", "-"}
 	}
 
 	if len(command) > 2 && command[0:2] == "#!" {