Merge branch 'maint'

* maint:
  git-svn: fix find-rev error message when missing arg
  t0021: tr portability fix for Solaris
  launch_editor(): allow spaces in the filename
  git rebase --abort: always restore the right commit

1 files changed, 2 insertions, 1 deletions

diff --git a/git-svn.perl b/git-svn.perl
index 1195569529..d8b38c9a47 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -522,7 +522,8 @@ sub cmd_dcommit {
 }
 
 sub cmd_find_rev {
-	my $revision_or_hash = shift;
+	my $revision_or_hash = shift or die "SVN or git revision required ",
+	                                    "as a command-line argument\n";
 	my $result;
 	if ($revision_or_hash =~ /^r\d+$/) {
 		my $head = shift;