sha1_name: add get_sha1_with_context()

diff --git a/git-svn.perl b/git-svn.perl
index 2c86ea2e384e4b3ecf9f6c2a856c52a0203ce489..09c4ca56f0c9af9c6ff49d3b3a197a8e30602520 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -1185,6 +1185,7 @@ sub cmd_reset {
                    "history\n";
        }
        my ($r, $c) = $gs->find_rev_before($target, not $_fetch_parent);
+       die "Cannot find SVN revision $target\n" unless defined($c);
        $gs->rev_map_set($r, $c, 'reset', $uuid);
        print "r$r = $c ($gs->{ref_id})\n";
 }
@@ -2086,6 +2087,14 @@ sub refname {
        # .. becomes %2E%2E
        $refname =~ s{\.\.}{%2E%2E}g;
 
+       # trailing dots and .lock are not allowed
+       # .$ becomes %2E and .lock becomes %2Elock
+       $refname =~ s{\.(?=$|lock$)}{%2E};
+
+       # the sequence @{ is used to access the reflog
+       # @{ becomes %40{
+       $refname =~ s{\@\{}{%40\{}g;
+
        return $refname;
 }
 
@@ -2827,8 +2836,9 @@ sub mkemptydirs {
        foreach my $d (sort keys %empty_dirs) {
                $d = uri_decode($d);
                $d =~ s/$strip//;
+               next unless length($d);
                next if -d $d;
-               if (-e _) {
+               if (-e $d) {
                        warn "$d exists but is not a directory\n";
                } else {
                        print "creating empty directory: $d\n";
@@ -3605,6 +3615,7 @@ sub mkfile {
 
 sub rev_map_set {
        my ($self, $rev, $commit, $update_ref, $uuid) = @_;
+       defined $commit or die "missing arg3\n";
        length $commit == 40 or die "arg3 must be a full SHA1 hexsum\n";
        my $db = $self->map_path($uuid);
        my $db_lock = "$db.lock";
@@ -3998,7 +4009,6 @@ package SVN::Git::Fetcher;
 use strict;
 use warnings;
 use Carp qw/croak/;
-use File::Temp qw/tempfile/;
 use IO::File qw//;
 use vars qw/$_ignore_regex/;