grep: enable recurse-submodules to work on <tree> objects

diff --git a/git-svn.perl b/git-svn.perl
index 05eced06cde8a1ff83262d452dc8edbcc1f3dea8..fa423647858fede0cf63a27b2c11eb392b639a09 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -44,6 +44,7 @@
        command_close_pipe
        command_bidi_pipe
        command_close_bidi_pipe
+       get_record
 );
 
 BEGIN {
@@ -339,7 +340,7 @@ sub term_init {
                        die "failed to open $ENV{GIT_DIR}: $!\n";
                $ENV{GIT_DIR} = $1 if <$fh> =~ /^gitdir: (.+)$/;
        }
-} else {
+} elsif ($cmd) {
        my ($git_dir, $cdup);
        git_cmd_try {
                $git_dir = command_oneline([qw/rev-parse --git-dir/]);
@@ -356,7 +357,7 @@ sub term_init {
 
 my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd);
 
-read_git_config(\%opts);
+read_git_config(\%opts) if $ENV{GIT_DIR};
 if ($cmd && ($cmd eq 'log' || $cmd eq 'blame')) {
        Getopt::Long::Configure('pass_through');
 }
@@ -507,7 +508,10 @@ sub init_subdir {
 
 sub cmd_clone {
        my ($url, $path) = @_;
-       if (!defined $path &&
+       if (!$url) {
+               die "SVN repository location required ",
+                   "as a command-line argument\n";
+       } elsif (!defined $path &&
            (defined $_trunk || @_branches || @_tags ||
             defined $_stdlayout) &&
            $url !~ m#^[a-z\+]+://#) {
@@ -1696,7 +1700,7 @@ sub cmd_gc {
                     "files will not be compressed.\n";
        }
        File::Find::find({ wanted => \&gc_directory, no_chdir => 1},
-                        "$ENV{GIT_DIR}/svn");
+                        Git::SVN::svn_dir());
 }
 
 ########################### utility functions #########################
@@ -1730,7 +1734,7 @@ sub post_fetch_checkout {
        return unless verify_ref('HEAD^0');
 
        return if $ENV{GIT_DIR} !~ m#^(?:.*/)?\.git$#;
-       my $index = $ENV{GIT_INDEX_FILE} || "$ENV{GIT_DIR}/index";
+       my $index = command_oneline(qw(rev-parse --git-path index));
        return if -f $index;
 
        return if command_oneline(qw/rev-parse --is-inside-work-tree/) eq 'false';
@@ -1832,8 +1836,9 @@ sub get_tree_from_treeish {
 sub get_commit_entry {
        my ($treeish) = shift;
        my %log_entry = ( log => '', tree => get_tree_from_treeish($treeish) );
-       my $commit_editmsg = "$ENV{GIT_DIR}/COMMIT_EDITMSG";
-       my $commit_msg = "$ENV{GIT_DIR}/COMMIT_MSG";
+       my @git_path = qw(rev-parse --git-path);
+       my $commit_editmsg = command_oneline(@git_path, 'COMMIT_EDITMSG');
+       my $commit_msg = command_oneline(@git_path, 'COMMIT_MSG');
        open my $log_fh, '>', $commit_editmsg or croak $!;
 
        my $type = command_oneline(qw/cat-file -t/, $treeish);
@@ -1877,10 +1882,9 @@ sub get_commit_entry {
        {
                require Encode;
                # SVN requires messages to be UTF-8 when entering the repo
-               local $/;
                open $log_fh, '<', $commit_msg or croak $!;
                binmode $log_fh;
-               chomp($log_entry{log} = <$log_fh>);
+               chomp($log_entry{log} = get_record($log_fh, undef));
 
                my $enc = Git::config('i18n.commitencoding') || 'UTF-8';
                my $msg = $log_entry{log};