diff options
Diffstat (limited to 'contrib/blameview/blameview.perl')
| -rwxr-xr-x | contrib/blameview/blameview.perl | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/contrib/blameview/blameview.perl b/contrib/blameview/blameview.perl new file mode 100755 index 0000000000..1dec00137b --- /dev/null +++ b/contrib/blameview/blameview.perl @@ -0,0 +1,155 @@ +#!/usr/bin/perl + +use Gtk2 -init; +use Gtk2::SimpleList; + +my $hash; +my $fn; +if ( @ARGV == 1 ) { + $hash = "HEAD"; + $fn = shift; +} elsif ( @ARGV == 2 ) { + $hash = shift; + $fn = shift; +} else { + die "Usage blameview [<rev>] <filename>"; +} + +Gtk2::Rc->parse_string(<<'EOS'); +style "treeview_style" +{ + GtkTreeView::vertical-separator = 0 +} +class "GtkTreeView" style "treeview_style" +EOS + +my $window = Gtk2::Window->new('toplevel'); +$window->signal_connect(destroy => sub { Gtk2->main_quit }); +my $vpan = Gtk2::VPaned->new(); +$window->add($vpan); +my $scrolled_window = Gtk2::ScrolledWindow->new; +$vpan->pack1($scrolled_window, 1, 1); +my $fileview = Gtk2::SimpleList->new( + 'Commit' => 'text', + 'FileLine' => 'text', + 'Data' => 'text' +); +$scrolled_window->add($fileview); +$fileview->get_column(0)->set_spacing(0); +$fileview->set_size_request(1024, 768); +$fileview->set_rules_hint(1); +$fileview->signal_connect (row_activated => sub { + my ($sl, $path, $column) = @_; + my $row_ref = $sl->get_row_data_from_path ($path); + system("blameview @$row_ref[0]~1 $fn &"); + }); + +my $commitwindow = Gtk2::ScrolledWindow->new(); +$commitwindow->set_policy ('GTK_POLICY_AUTOMATIC','GTK_POLICY_AUTOMATIC'); +$vpan->pack2($commitwindow, 1, 1); +my $commit_text = Gtk2::TextView->new(); +my $commit_buffer = Gtk2::TextBuffer->new(); +$commit_text->set_buffer($commit_buffer); +$commitwindow->add($commit_text); + +$fileview->signal_connect (cursor_changed => sub { + my ($sl) = @_; + my ($path, $focus_column) = $sl->get_cursor(); + my $row_ref = $sl->get_row_data_from_path ($path); + my $c_fh; + open($c_fh, '-|', "git cat-file commit @$row_ref[0]") + or die "unable to find commit @$row_ref[0]"; + my @buffer = <$c_fh>; + $commit_buffer->set_text("@buffer"); + close($c_fh); + }); + +my $fh; +open($fh, '-|', "git cat-file blob $hash:$fn") + or die "unable to open $fn: $!"; + +while(<$fh>) { + chomp; + $fileview->{data}->[$.] = ['HEAD', "$fn:$.", $_]; +} + +my $blame; +open($blame, '-|', qw(git blame --incremental --), $fn, $hash) + or die "cannot start git-blame $fn"; + +Glib::IO->add_watch(fileno($blame), 'in', \&read_blame_line); + +$window->show_all; +Gtk2->main; +exit 0; + +my %commitinfo = (); + +sub flush_blame_line { + my ($attr) = @_; + + return unless defined $attr; + + my ($commit, $s_lno, $lno, $cnt) = + @{$attr}{qw(COMMIT S_LNO LNO CNT)}; + + my ($filename, $author, $author_time, $author_tz) = + @{$commitinfo{$commit}}{qw(FILENAME AUTHOR AUTHOR-TIME AUTHOR-TZ)}; + my $info = $author . ' ' . format_time($author_time, $author_tz); + + for(my $i = 0; $i < $cnt; $i++) { + @{$fileview->{data}->[$lno+$i-1]}[0,1,2] = + (substr($commit, 0, 8), $filename . ':' . ($s_lno+$i)); + } +} + +my $buf; +my $current; +sub read_blame_line { + + my $r = sysread($blame, $buf, 1024, length($buf)); + die "I/O error" unless defined $r; + + if ($r == 0) { + flush_blame_line($current); + $current = undef; + return 0; + } + + while ($buf =~ s/([^\n]*)\n//) { + my $line = $1; + + if (($commit, $s_lno, $lno, $cnt) = + ($line =~ /^([0-9a-f]{40}) (\d+) (\d+) (\d+)$/)) { + flush_blame_line($current); + $current = +{ + COMMIT => $1, + S_LNO => $2, + LNO => $3, + CNT => $4, + }; + next; + } + + # extended attribute values + if ($line =~ /^(author|author-mail|author-time|author-tz|committer|committer-mail|committer-time|committer-tz|summary|filename) (.*)$/) { + my $commit = $current->{COMMIT}; + $commitinfo{$commit}{uc($1)} = $2; + next; + } + } + return 1; +} + +sub format_time { + my $time = shift; + my $tz = shift; + + my $minutes = $tz < 0 ? 0-$tz : $tz; + $minutes = ($minutes / 100)*60 + ($minutes % 100); + $minutes = $tz < 0 ? 0-$minutes : $minutes; + $time += $minutes * 60; + my @t = gmtime($time); + return sprintf('%04d-%02d-%02d %02d:%02d:%02d %s', + $t[5] + 1900, @t[4,3,2,1,0], $tz); +} |