* Fix strange stderr-hiding code in the git module, allow error messages

[ikiwiki.git] / IkiWiki / Rcs / git.pm

diff --git a/IkiWiki/Rcs/git.pm b/IkiWiki/Rcs/git.pm
index 7f33148e396751852488b92264245219b208f59b..38581ba679040081aa4d7b6f430c5784e04e8aa4 100644 (file)
--- a/IkiWiki/Rcs/git.pm
+++ b/IkiWiki/Rcs/git.pm
@@ -23,8 +23,6 @@ sub _safe_git (&@) { #{{{
 
        if (!$pid) {
                # In child.
-               open STDERR, ">&STDOUT"
-                   or error("Cannot dup STDOUT: $!");
                # Git commands want to be in wc.
                chdir $config{srcdir}
                    or error("Cannot chdir to $config{srcdir}: $!");
@@ -40,7 +38,7 @@ sub _safe_git (&@) { #{{{
 
        close $OUT;
 
-       ($error_handler || sub { })->("'@cmdline' failed: $!") if $?;
+       $error_handler->("'@cmdline' failed: $!") if $? && $error_handler;
 
        return wantarray ? @lines : ($? == 0);
 }
@@ -144,11 +142,11 @@ sub _merge_past ($$$) { #{{{
        return $conflict;
 } #}}}
 
-sub _parse_diff_tree (@) { #{{{
+sub _parse_diff_tree ($@) { #{{{
        # Parse the raw diff tree chunk and return the info hash.
        # See git-diff-tree(1) for the syntax.
 
-       my ($dt_ref) = @_;
+       my ($prefix, $dt_ref) = @_;
 
        # End of stream?
        return if !defined @{ $dt_ref } ||
@@ -156,16 +154,16 @@ sub _parse_diff_tree (@) { #{{{
 
        my %ci;
        # Header line.
-       HEADER: while (my $line = shift @{ $dt_ref }) {
+       while (my $line = shift @{ $dt_ref }) {
                return if $line !~ m/^(.+) ($sha1_pattern)/;
 
                my $sha1 = $2;
                $ci{'sha1'} = $sha1;
-               last HEADER;
+               last;
        }
 
        # Identification lines for the commit.
-       IDENT: while (my $line = shift @{ $dt_ref }) {
+       while (my $line = shift @{ $dt_ref }) {
                # Regexps are semi-stolen from gitweb.cgi.
                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
                        $ci{'tree'} = $1;
@@ -194,7 +192,7 @@ sub _parse_diff_tree (@) { #{{{
                }
                elsif ($line =~ m/^$/) {
                        # Trailing empty line signals next section.
-                       last IDENT;
+                       last;
                }
        }
 
@@ -204,17 +202,17 @@ sub _parse_diff_tree (@) { #{{{
        $ci{'parent'} = @{ $ci{'parents'} }[0] if defined $ci{'parents'};
 
        # Commit message.
-       COMMENT: while (my $line = shift @{ $dt_ref }) {
+       while (my $line = shift @{ $dt_ref }) {
                if ($line =~ m/^$/) {
                        # Trailing empty line signals next section.
-                       last COMMENT;
+                       last;
                };
                $line =~ s/^    //;
                push @{ $ci{'comment'} }, $line;
        }
 
        # Modified files.
-       FILE: while (my $line = shift @{ $dt_ref }) {
+       while (my $line = shift @{ $dt_ref }) {
                if ($line =~ m{^:
                        ([0-7]{6})[ ]      # from mode
                        ([0-7]{6})[ ]      # to mode
@@ -230,6 +228,7 @@ sub _parse_diff_tree (@) { #{{{
                        if ($file =~ m/^"(.*)"$/) {
                                ($file=$1) =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
                        }
+                       $file =~ s/^\Q$prefix\E//;
                        if (length $file) {
                                push @{ $ci{'details'} }, {
                                        'file'      => decode_utf8($file),
@@ -237,9 +236,9 @@ sub _parse_diff_tree (@) { #{{{
                                        'sha1_to'   => $sha1_to,
                                };
                        }
-                       next FILE;
+                       next;
                };
-               last FILE;
+               last;
        }
 
        debug("No detail in diff-tree output") if !defined $ci{'details'};
@@ -256,11 +255,11 @@ sub git_commit_info ($;$) { #{{{
        $num ||= 1;
 
        my @raw_lines =
-           run_or_die(qq{git-rev-list --max-count=$num $sha1 |
-                         git-diff-tree --stdin --pretty=raw --always -M -m -r});
+           run_or_die('git-log', "--max-count=$num", '--pretty=raw', '--raw', '--abbrev=40', '--always', '-m', '-r', $sha1, '--', '.');
+       my ($prefix) = run_or_die('git-rev-parse', '--show-prefix');
 
        my @ci;
-       while (my $parsed = _parse_diff_tree(\@raw_lines)) {
+       while (my $parsed = _parse_diff_tree(($prefix or ""), \@raw_lines)) {
                push @ci, $parsed;
        }
 
@@ -358,11 +357,11 @@ sub rcs_recentchanges ($) { #{{{
        error($@) if $@;
 
        my @rets;
-       INFO: foreach my $ci (git_commit_info('HEAD', $num)) {
+       foreach my $ci (git_commit_info('HEAD', $num)) {
                my $title = @{ $ci->{'comment'} }[0];
 
                # Skip redundant commits.
-               next INFO if ($title eq $dummy_commit_msg);
+               next if ($title eq $dummy_commit_msg);
 
                my ($sha1, $when) = (
                        $ci->{'sha1'},
@@ -370,7 +369,7 @@ sub rcs_recentchanges ($) { #{{{
                );
 
                my (@pages, @messages);
-               DETAIL: foreach my $detail (@{ $ci->{'details'} }) {
+               foreach my $detail (@{ $ci->{'details'} }) {
                        my $diffurl = $config{'diffurl'};
                        my $file    = $detail->{'file'};
 
@@ -407,7 +406,7 @@ sub rcs_recentchanges ($) { #{{{
                        pages      => [@pages],
                };
 
-               last INFO if @rets >= $num;
+               last if @rets >= $num;
        }
 
        return @rets;
@@ -459,14 +458,14 @@ sub rcs_notify () { #{{{
 } #}}}
 
 sub rcs_getctime ($) { #{{{
-       # Get the ctime of file.
-
-       my ($file) = @_;
+       my $file=shift;
+       # Remove srcdir prefix
+       $file =~ s/^\Q$config{srcdir}\E\/?//;
 
        my $sha1  = git_sha1($file);
        my $ci    = git_commit_info($sha1);
        my $ctime = $ci->{'author_epoch'};
-       debug("ctime for '$file': ". localtime($ctime) . "\n");
+       debug("ctime for '$file': ". localtime($ctime));
 
        return $ctime;
 } #}}}