review: add -n flag to show commands without running them
Change-Id: Id38ca5deeb72ee53f3a62c6a925e66f065686b83
diff --git a/review.go b/review.go
index 9b4f4eb..e86f7fc 100644
--- a/review.go
+++ b/review.go
@@ -28,13 +28,14 @@
var (
hookFile = filepath.FromSlash(".git/hooks/commit-msg")
verbose = flag.Bool("v", false, "verbose output")
+ noRun = flag.Bool("n", false, "print but do not run commands")
)
-const usage = `Usage: %s [-v] <command>
+const usage = `Usage: %s [-n] [-v] <command>
Type "%s help" for more information.
`
-const help = `Usage: %s [-v] <command>
+const help = `Usage: %s [-n] [-v] <command>
The review command is a wrapper for the git command that provides a simple
interface to the "single-commit feature branch" development model.
@@ -347,9 +348,12 @@
}
func runErr(command string, args ...string) error {
- if *verbose {
+ if *verbose || *noRun {
fmt.Fprintln(os.Stderr, commandString(command, args))
}
+ if *noRun {
+ return nil
+ }
cmd := exec.Command(command, args...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
