1 files changed, 37 insertions, 0 deletions
diff --git a/git/.bin/git/git-blame-stats b/git/.bin/git/git-blame-stats
new file mode 100755
index 0000000..320d755
--- /dev/null
+++ b/git/.bin/git/git-blame-stats
@@ -0,0 +1,37 @@
+#!/usr/bin/perl
+
+use Getopt::Long;
+use POSIX qw(ceil);
+use strict;
+Getopt::Long::Configure(qw(bundling));
+my %authors;
+my $total;
+my $files;
+my $rev = shift(@ARGV) || "HEAD";
+
+foreach my $file (`git ls-tree --name-only -r $rev`) {
+	chomp($file);
+	print STDERR "Processing $file\n";
+	foreach my $line (`git blame -M -w $rev -- "$file"`) {
+		chomp($line);
+		if (substr($line, 0, 1) eq "^") {
+			++$authors{"*initial checkin"};
+		} else {
+			$line =~ s[^.*?\((.*?)\s*\d{4}-\d{2}-\d{2}.*][$1];
+			++$authors{$line};
+		}
+		++$total;
+	}
+}
+
+print "Total lines: $total\n";
+my $i = 0;
+my $author_ind = ceil(log(scalar(keys %authors)) / log(10));
+my $lines_ind  = ceil(log($total) / log(10));
+foreach my $author (sort { $authors{$b} <=> $authors{$a} } keys %authors) {
+	printf "%${author_ind}s  %${lines_ind}u  %5.2f%%  %s\n",
+	       sprintf("#%u", ++$i),
+	       $authors{$author},
+	       $authors{$author} * 100 / $total,
+	       $author;
+}