t7001: add test case for --dry-run

diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index 1e4e65a45d16cfcc5a36e6855216e9be8fe0e0b4..36929921ea79006dc659f6996ae158131ccf2b73 100755 (executable)
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -642,6 +642,7 @@ sub is_sha1 {
 
 sub get_headref ($) {
        my $name = shift;
+       $name =~ s/'/'\\''/;
        my $r = `git rev-parse --verify '$name' 2>/dev/null`;
        return undef unless $? == 0;
        chomp $r;