git svn: catch lack of upstream info for dcommit earlier

Since 711521e 'git svn dcommit' attempts to use the upstream
information to determine the SVN URL, before it verifies that it even
found an upstream.  Move up the corresponding check.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Acked-by: Eric Wong <normalperson@yhbt.net>

diff --git a/git-svn.perl b/git-svn.perl
index 2d355c183439238cd3dccda49f01bae3c19f932f..484b4ab0da9fd907645e84559a6847b954997165 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -421,15 +421,15 @@ sub cmd_dcommit {
        $head ||= 'HEAD';
        my @refs;
        my ($url, $rev, $uuid, $gs) = working_head_info($head, \@refs);
+       unless ($gs) {
+               die "Unable to determine upstream SVN information from ",
+                   "$head history.\nPerhaps the repository is empty.";
+       }
        $url = defined $_commit_url ? $_commit_url : $gs->full_url;
        my $last_rev = $_revision if defined $_revision;
        if ($url) {
                print "Committing to $url ...\n";
        }
-       unless ($gs) {
-               die "Unable to determine upstream SVN information from ",
-                   "$head history.\nPerhaps the repository is empty.";
-       }
        my ($linear_refs, $parents) = linearize_history($gs, \@refs);
        if ($_no_rebase && scalar(@$linear_refs) > 1) {
                warn "Attempting to commit more than one change while ",