Avoid parent process if no log redirection is used

Exec the command without forking in case go-runner does not need to perform log output redirection. Signed-off-by: Marc Hoersken <[email protected]>
kubernetes · May 23, 2024 · 46b84f1 · 46b84f1
1 parent f294861
commit 46b84f1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/images/build/go-runner/go-runner.go b/images/build/go-runner/go-runner.go
@@ -79,6 +79,10 @@ func configureAndRun() error {
 	cmd.Stderr = errStream
 
 	log.Printf("Running command:\n%v", cmdInfo(cmd))
+	if cmd.Stdout == os.Stdout && cmd.Stderr == os.Stderr {
+		syscall.Exec(exe, exeArgs, syscall.Environ())
+	}
+
 	err := cmd.Start()
 	if err != nil {
 		return fmt.Errorf("starting command: %w", err)