From cace16fdcb5d1a3518f92e04c65e78f06b0cd051 Mon Sep 17 00:00:00 2001 From: Jeff King Date: Sun, 28 Jan 2007 12:53:26 -0800 Subject: [PATCH] Add a sample program 'blameview' to show how to use git-blame --incremental Signed-off-by: Junio C Hamano --- contrib/blameview/README | 10 +++ contrib/blameview/blameview.perl | 118 +++++++++++++++++++++++++++++++ 2 files changed, 128 insertions(+) create mode 100644 contrib/blameview/README create mode 100755 contrib/blameview/blameview.perl diff --git a/contrib/blameview/README b/contrib/blameview/README new file mode 100644 index 000000000..50a6f67fd --- /dev/null +++ b/contrib/blameview/README @@ -0,0 +1,10 @@ +This is a sample program to use 'git-blame --incremental', based +on this message. + +From: Jeff King +Subject: Re: More precise tag following +To: Linus Torvalds +Cc: git@vger.kernel.org +Date: Sat, 27 Jan 2007 18:52:38 -0500 +Message-ID: <20070127235238.GA28706@coredump.intra.peff.net> + diff --git a/contrib/blameview/blameview.perl b/contrib/blameview/blameview.perl new file mode 100755 index 000000000..a55f799f0 --- /dev/null +++ b/contrib/blameview/blameview.perl @@ -0,0 +1,118 @@ +#!/usr/bin/perl + +use Gtk2 -init; +use Gtk2::SimpleList; + +my $fn = shift or die "require filename to blame"; + +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 $scrolled_window = Gtk2::ScrolledWindow->new; +$window->add($scrolled_window); +my $fileview = Gtk2::SimpleList->new( + 'Commit' => 'text', + 'CommitInfo' => 'text', + 'FileLine' => 'text', + 'Data' => 'text' +); +$scrolled_window->add($fileview); +$fileview->get_column(0)->set_spacing(0); +$fileview->set_size_request(1024, 768); +$fileview->set_rules_hint(1); + +open(my $fh, '<', $fn) + or die "unable to open $fn: $!"; +while(<$fh>) { + chomp; + $fileview->{data}->[$.] = ['HEAD', '?', "$fn:$.", $_]; +} + +my $blame; +open($blame, '-|', qw(git blame --incremental --), $fn) + 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), $info, + $filename . ':' . ($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); +} -- 2.26.2