[PATCH] annotate: display usage information if no filename was given
Signed-off-by: Matthias Kestenholz <matthias@spinlock.ch>
---
git-annotate.perl | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
ec31877f02673ed1db9d1485ac0065d51cbb7039
diff --git a/git-annotate.perl b/git-annotate.perl
index 9df72a1..bf920a5 100755
--- a/git-annotate.perl
+++ b/git-annotate.perl
@@ -10,9 +10,10 @@ use warnings;
use strict;
use Getopt::Long;
use POSIX qw(strftime gmtime);
+use File::Basename qw(basename dirname);
sub usage() {
- print STDERR 'Usage: ${\basename $0} [-s] [-S revs-file] file [ revision ]
+ print STDERR "Usage: ${\basename $0} [-s] [-S revs-file] file [ revision ]
-l, --long
Show long rev (Defaults off)
-t, --time
@@ -23,7 +24,7 @@ sub usage() {
Use revs from revs-file instead of calling git-rev-list
-h, --help
This message.
-';
+";
exit(1);
}
@@ -35,7 +36,7 @@ my $rc = GetOptions( "long|l" => \$longr
"help|h" => \$help,
"rename|r" => \$rename,
"rev-file|S=s" => \$rev_file);
-if (!$rc or $help) {
+if (!$rc or $help or !@ARGV) {
usage();
}
--
1.3.1.gc4586
Matthias Kestenholz <matthias@spinlock.ch>