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-rwxr-xr-xcontrib/stats/mailmap.pl96
1 files changed, 64 insertions, 32 deletions
diff --git a/contrib/stats/mailmap.pl b/contrib/stats/mailmap.pl
index 4b852e2..9513f5e 100755
--- a/contrib/stats/mailmap.pl
+++ b/contrib/stats/mailmap.pl
@@ -1,38 +1,70 @@
-#!/usr/bin/perl -w
-my %mailmap = ();
-open I, "<", ".mailmap";
-while (<I>) {
- chomp;
- next if /^#/;
- if (my ($author, $mail) = /^(.*?)\s+<(.+)>$/) {
- $mailmap{$mail} = $author;
- }
+#!/usr/bin/perl
+
+use warnings 'all';
+use strict;
+use Getopt::Long;
+
+my $match_emails;
+my $match_names;
+my $order_by = 'count';
+Getopt::Long::Configure(qw(bundling));
+GetOptions(
+ 'emails|e!' => \$match_emails,
+ 'names|n!' => \$match_names,
+ 'count|c' => sub { $order_by = 'count' },
+ 'time|t' => sub { $order_by = 'stamp' },
+) or exit 1;
+$match_emails = 1 unless $match_names;
+
+my $email = {};
+my $name = {};
+
+open(my $fh, '-|', "git log --format='%at <%aE> %aN'");
+while(<$fh>) {
+ my ($t, $e, $n) = /(\S+) <(\S+)> (.*)/;
+ mark($email, $e, $n, $t);
+ mark($name, $n, $e, $t);
}
-close I;
-
-my %mail2author = ();
-open I, "git log --pretty='format:%ae %an' |";
-while (<I>) {
- chomp;
- my ($mail, $author) = split(/\t/, $_);
- next if exists $mailmap{$mail};
- $mail2author{$mail} ||= {};
- $mail2author{$mail}{$author} ||= 0;
- $mail2author{$mail}{$author}++;
+close($fh);
+
+if ($match_emails) {
+ foreach my $e (dups($email)) {
+ foreach my $n (vals($email->{$e})) {
+ show($n, $e, $email->{$e}->{$n});
+ }
+ print "\n";
+ }
}
-close I;
-
-while (my ($mail, $authorcount) = each %mail2author) {
- # %$authorcount is ($author => $count);
- # sort and show the names from the most frequent ones.
- my @names = (map { $_->[0] }
- sort { $b->[1] <=> $a->[1] }
- map { [$_, $authorcount->{$_}] }
- keys %$authorcount);
- if (1 < @names) {
- for (@names) {
- print "$_ <$mail>\n";
+if ($match_names) {
+ foreach my $n (dups($name)) {
+ foreach my $e (vals($name->{$n})) {
+ show($n, $e, $name->{$n}->{$e});
}
+ print "\n";
}
}
+exit 0;
+sub mark {
+ my ($h, $k, $v, $t) = @_;
+ my $e = $h->{$k}->{$v} ||= { count => 0, stamp => 0 };
+ $e->{count}++;
+ $e->{stamp} = $t unless $t < $e->{stamp};
+}
+
+sub dups {
+ my $h = shift;
+ return grep { keys($h->{$_}) > 1 } keys($h);
+}
+
+sub vals {
+ my $h = shift;
+ return sort {
+ $h->{$b}->{$order_by} <=> $h->{$a}->{$order_by}
+ } keys($h);
+}
+
+sub show {
+ my ($n, $e, $h) = @_;
+ print "$n <$e> ($h->{$order_by})\n";
+}