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af6861b144
This script reads the existing commit log and .mailmap file, and outputs author e-mail addresses that would map to more than one names (most likely due to difference in the way they are spelled, but some are due to ancient botched commits). Signed-off-by: Junio C Hamano <gitster@pobox.com>
38 lines
809 B
Perl
Executable file
38 lines
809 B
Perl
Executable file
#!/usr/bin/perl -w
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my %mailmap = ();
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open I, "<", ".mailmap";
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while (<I>) {
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chomp;
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next if /^#/;
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if (my ($author, $mail) = /^(.*?)\s+<(.+)>$/) {
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$mailmap{$mail} = $author;
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}
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}
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close I;
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my %mail2author = ();
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open I, "git log --pretty='format:%ae %an' |";
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while (<I>) {
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chomp;
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my ($mail, $author) = split(/\t/, $_);
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next if exists $mailmap{$mail};
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$mail2author{$mail} ||= {};
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$mail2author{$mail}{$author} ||= 0;
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$mail2author{$mail}{$author}++;
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}
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close I;
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while (my ($mail, $authorcount) = each %mail2author) {
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# %$authorcount is ($author => $count);
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# sort and show the names from the most frequent ones.
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my @names = (map { $_->[0] }
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sort { $b->[1] <=> $a->[1] }
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map { [$_, $authorcount->{$_}] }
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keys %$authorcount);
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if (1 < @names) {
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for (@names) {
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print "$_ <$mail>\n";
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}
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}
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}
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