ref(tools/gerrit-hook): more idiomatic code

As reported by the linter.

Change-Id: I649fc3d90387bda28efe025dd7ccb54d4296d1bd
Reviewed-on: https://cl.fcuny.net/c/world/+/469
Tested-by: CI
Reviewed-by: Franck Cuny <franck@fcuny.net>

1 files changed, 4 insertions, 3 deletions

diff --git a/tools/gerrit-hook/main.go b/tools/gerrit-hook/main.go
index aae73ba..5461490 100644
--- a/tools/gerrit-hook/main.go
+++ b/tools/gerrit-hook/main.go
@@ -50,16 +50,17 @@ func main() {
 		os.Exit(1)
 	}
 
-	if cmd == "patchset-created" {
+	switch cmd {
+	case "patchset-created":
 		trigger, err := triggerForPatchsetCreated()
 		if err != nil {
 			log.Crit(fmt.Sprintf("failed to create a trigger: %s", err))
 			os.Exit(1)
 		}
 		gerritHookMain(cfg, log, trigger)
-	} else if cmd == "post-command" {
+	case "post-command":
 		postCommand(cfg)
-	} else {
+	default:
 		log.Info(fmt.Sprintf("`%s' is not a supported command", cmd))
 		os.Exit(1)
 	}