Don't block on hooks when already synced + one-time

cmd/git-sync/main.go

@@ -566,16 +566,16 @@ func main() {
 			} else {
 				updateSyncMetrics(metricKeyNoOp, start)
 			}
-		}
 
 			if initialSync {
 				// Determine if git-sync should terminate for one of several reasons
 				if *flOneTime {
+					exitCode := 0 // is 0 if all hooks succeed, else is 1
+					if changed {
 						// Wait for hooks to complete at least once, if not nil, before
 						// checking whether to stop program.
 						// Assumes that if hook channels are not nil, they will have at
 						// least one value before getting closed
-				exitCode := 0 // is 0 if all hooks succeed, else is 1
 						if exechookRunner != nil {
 							if err := exechookRunner.WaitForCompletion(); err != nil {
 								exitCode = 1
@@ -586,6 +586,7 @@ func main() {
 								exitCode = 1
 							}
 						}
+					}
 					log.DeleteErrorFile()
 					os.Exit(exitCode)
 				}
@@ -599,6 +600,7 @@ func main() {
 				}
 				initialSync = false
 			}
+		}
 
 		if failCount > 0 {
 			log.V(5).Info("resetting failure count", "failCount", failCount)