[PATCH] Better error message for git svn dcommit on empty repository.

[Matthieu Moy <Matthieu.Moy@imag.fr>]

Ideally, git-svn should be able to do the initial commit, but since it
isn't, this patch makes it give an accurate error message.

Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
---
 git-svn.perl |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/git-svn.perl b/git-svn.perl
index b864b54..9a70c1e 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -410,10 +410,12 @@ sub cmd_dcommit {
 	$head ||= 'HEAD';
 	my @refs;
 	my ($url, $rev, $uuid, $gs) = working_head_info($head, \@refs);
-	print "Committing to $url ...\n";
+	if ($url) {
+		print "Committing to $url ...\n";
+	}
 	unless ($gs) {
 		die "Unable to determine upstream SVN information from ",
-		    "$head history\n";
+		    "$head history.\nPerhaps the repository is empty.";
 	}
 	my $last_rev;
 	my ($linear_refs, $parents) = linearize_history($gs, \@refs);
-- 
1.5.5.1.72.gccbb6.dirty