git-svn: restore original LC_ALL setting (or unset) for commit

svn forces UTF-8 for commit messages, and with LC_ALL set to 'C'
it is unable to determine encoding of the git commit message.

Now we'll just assume the user has set LC_* correctly for
the commit message they're using.

Signed-off-by: Eric Wong <normalperson@yhbt.net>

diff --git a/contrib/git-svn/git-svn.perl b/contrib/git-svn/git-svn.perl
index 8d2e7f74ea15d27d8380a756f41b0f22b7d88013..8bc3d69fdb020eb3d4e036d8a17d3799cc645996 100755 (executable)
--- a/contrib/git-svn/git-svn.perl
+++ b/contrib/git-svn/git-svn.perl
@@ -14,6 +14,7 @@ use Cwd qw/abs_path/;
 $GIT_DIR = abs_path($ENV{GIT_DIR} || '.git');
 $ENV{GIT_DIR} = $GIT_DIR;
 
+my $LC_ALL = $ENV{LC_ALL};
 # make sure the svn binary gives consistent output between locales and TZs:
 $ENV{TZ} = 'UTC';
 $ENV{LC_ALL} = 'C';
@@ -704,23 +705,34 @@ sub svn_commit_tree {
        my ($oneline) = ($log_msg{msg} =~ /([^\n\r]+)/);
        print "Committing $commit: $oneline\n";
 
+       if (defined $LC_ALL) {
+               $ENV{LC_ALL} = $LC_ALL;
+       } else {
+               delete $ENV{LC_ALL};
+       }
        my @ci_output = safe_qx(qw(svn commit -F),$commit_msg);
-       my ($committed) = grep(/^Committed revision \d+\./,@ci_output);
+       $ENV{LC_ALL} = 'C';
        unlink $commit_msg;
-       defined $committed or croak
+       my ($committed) = ($ci_output[$#ci_output] =~ /(\d+)/);
+       if (!defined $committed) {
+               my $out = join("\n",@ci_output);
+               print STDERR "W: Trouble parsing \`svn commit' output:\n\n",
+                               $out, "\n\nAssuming English locale...";
+               ($committed) = ($out =~ /^Committed revision \d+\./sm);
+               defined $committed or die " FAILED!\n",
                        "Commit output failed to parse committed revision!\n",
-                       join("\n",@ci_output),"\n";
-       my ($rev_committed) = ($committed =~ /^Committed revision (\d+)\./);
+               print STDERR " OK\n";
+       }
 
        my @svn_up = qw(svn up);
        push @svn_up, '--ignore-externals' unless $_no_ignore_ext;
-       if ($rev_committed == ($svn_rev + 1)) {
-               push @svn_up, "-r$rev_committed";
+       if ($committed == ($svn_rev + 1)) {
+               push @svn_up, "-r$committed";
                sys(@svn_up);
                my $info = svn_info('.');
                my $date = $info->{'Last Changed Date'} or die "Missing date\n";
-               if ($info->{'Last Changed Rev'} != $rev_committed) {
-                       croak "$info->{'Last Changed Rev'} != $rev_committed\n"
+               if ($info->{'Last Changed Rev'} != $committed) {
+                       croak "$info->{'Last Changed Rev'} != $committed\n"
                }
                my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~
                                        /(\d{4})\-(\d\d)\-(\d\d)\s
@@ -728,16 +740,16 @@ sub svn_commit_tree {
                                         or croak "Failed to parse date: $date\n";
                $log_msg{date} = "$tz $Y-$m-$d $H:$M:$S";
                $log_msg{author} = $info->{'Last Changed Author'};
-               $log_msg{revision} = $rev_committed;
+               $log_msg{revision} = $committed;
                $log_msg{msg} .= "\n";
                my $parent = file_to_s("$REV_DIR/$svn_rev");
                git_commit(\%log_msg, $parent, $commit);
-               return $rev_committed;
+               return $committed;
        }
        # resync immediately
        push @svn_up, "-r$svn_rev";
        sys(@svn_up);
-       return fetch("$rev_committed=$commit")->{revision};
+       return fetch("$committed=$commit")->{revision};
 }
 
 # read the entire log into a temporary file (which is removed ASAP)