Print better message for unknown operations.

1 files changed, 4 insertions, 1 deletions

diff --git a/dgit b/dgit
index 4125c37..2852e13 100755
--- a/dgit
+++ b/dgit
@@ -2218,4 +2218,7 @@ if (!@ARGV) {
 }
 my $cmd = shift @ARGV;
 $cmd =~ y/-/_/;
-{ no strict qw(refs); &{"cmd_$cmd"}(); }
+
+my $fn = ${*::}{"cmd_$cmd"};
+$fn or badusage "unknown operation $cmd";
+$fn->();