17840: Deduplicate flag-parsing code.

[arvados.git] / tools / keep-rsync / keep-rsync.go

diff --git a/tools/keep-rsync/keep-rsync.go b/tools/keep-rsync/keep-rsync.go
index 6926a945e193a2a9c052ac02fd99fe240420e340..98c9609cb3c522f9524084194ecab1bd68531b79 100644 (file)
--- a/tools/keep-rsync/keep-rsync.go
+++ b/tools/keep-rsync/keep-rsync.go
@@ -17,6 +17,7 @@ import (
        "strings"
        "time"
 
+       "git.arvados.org/arvados.git/lib/cmd"
        "git.arvados.org/arvados.git/sdk/go/arvadosclient"
        "git.arvados.org/arvados.git/sdk/go/keepclient"
 )
@@ -76,12 +77,10 @@ func doMain() error {
                false,
                "Print version information and exit.")
 
-       // Parse args; omit the first arg which is the command name
-       flags.Parse(os.Args[1:])
-
-       // Print version information if requested
-       if *getVersion {
-               fmt.Printf("keep-rsync %s\n", version)
+       if ok, code := cmd.ParseFlags(flags, os.Args[0], os.Args[1:], "", os.Stderr); !ok {
+               os.Exit(code)
+       } else if *getVersion {
+               fmt.Printf("%s %s\n", os.Args[0], version)
                os.Exit(0)
        }