Add git-shortlog perl script
Somebody finally came through - Jeff Garzik gets a gold
star for writing a shortlog script for git, so that I
can do nice release announcments again.
I added name translations from the current kernel history
(and git, for that matter). Hopefully it won't grow at
nearly the same rate the BK equivalent did, since 99% of
the time git records the full name already.
Usage: just do
git-rev-list --pretty HEAD ^LAST_HEAD | git-shortlog
or, in fact, use any of the other tools (git-diff-tree,
git-whatchanged etc) that use the default "pretty" commit format.
maint
Linus Torvalds
parent
337cb3fb8d
commit
fa375c7f1b
2
Makefile
2
Makefile
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@ -23,7 +23,7 @@ INSTALL=install
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SCRIPTS=git git-apply-patch-script git-merge-one-file-script git-prune-script \
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git-pull-script git-tag-script git-resolve-script git-whatchanged \
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git-deltafy-script git-fetch-script git-status-script git-commit-script \
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git-log-script
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git-log-script git-shortlog
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PROG= git-update-cache git-diff-files git-init-db git-write-tree \
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git-read-tree git-commit-tree git-cat-file git-fsck-cache \
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@ -0,0 +1,167 @@
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#!/usr/bin/perl -w
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use strict;
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#
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# Even with git, we don't always have name translations.
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# So have an email->real name table to translate the
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# (hopefully few) missing names
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#
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my %mailmap = (
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'aherrman@de.ibm.com' => 'Andreas Herrmann',
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'akpm@osdl.org' => 'Andrew Morton',
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'andrew.vasquez@qlogic.com' => 'Andrew Vasquez',
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'aquynh@gmail.com' => 'Nguyen Anh Quynh',
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'axboe@suse.de' => 'Jens Axboe',
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'blaisorblade@yahoo.it' => 'Paolo \'Blaisorblade\' Giarrusso',
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'bunk@stusta.de' => 'Adrian Bunk',
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'domen@coderock.org' => 'Domen Puncer',
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'dougg@torque.net' => 'Douglas Gilbert',
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'dwmw2@shinybook.infradead.org' => 'David Woodhouse',
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'ecashin@coraid.com' => 'Ed L Cashin',
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'felix@derklecks.de' => 'Felix Moeller',
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'gregkh@suse.de' => 'Greg Kroah-Hartman',
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'hch@lst.de' => 'Christoph Hellwig',
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'htejun@gmail.com' => 'Tejun Heo',
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'jejb@mulgrave.(none)' => 'James Bottomley',
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'jejb@titanic.il.steeleye.com' => 'James Bottomley',
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'jgarzik@pretzel.yyz.us' => 'Jeff Garzik',
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'johnpol@2ka.mipt.ru' => 'Evgeniy Polyakov',
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'kay.sievers@vrfy.org' => 'Kay Sievers',
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'minyard@acm.org' => 'Corey Minyard',
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'R.Marek@sh.cvut.cz' => 'Rudolf Marek',
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'simon@thekelleys.org.uk' => 'Simon Kelley',
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'ssant@in.ibm.com' => 'Sachin P Sant',
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'tony.luck@intel.com' => 'Tony Luck',
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);
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my (%map);
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my $pstate = 1;
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my $n_records = 0;
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my $n_output = 0;
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sub shortlog_entry($$) {
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my ($name, $desc) = @_;
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my $key = $name;
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$desc =~ s#/pub/scm/linux/kernel/git/#/.../#g;
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$desc =~ s#\[PATCH\] ##g;
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# store description in array, in email->{desc list} map
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if (exists $map{$key}) {
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# grab ref
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my $obj = $map{$key};
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# add desc to array
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push(@$obj, $desc);
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} else {
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# create new array, containing 1 item
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my @arr = ($desc);
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# store ref to array
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$map{$key} = \@arr;
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}
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}
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# sort comparison function
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sub by_name($$) {
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my ($a, $b) = @_;
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uc($a) cmp uc($b);
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}
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sub shortlog_output {
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my ($obj, $key, $desc);
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foreach $key (sort by_name keys %map) {
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# output author
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printf "%s:\n", $key;
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# output author's 1-line summaries
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$obj = $map{$key};
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foreach $desc (@$obj) {
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print " $desc\n";
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$n_output++;
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}
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# blank line separating author from next author
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print "\n";
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}
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}
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sub changelog_input {
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my ($author, $desc);
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while (<>) {
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# get author and email
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if ($pstate == 1) {
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my ($email);
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next unless /^Author: (.*)<(.*)>.*$/;
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$n_records++;
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$author = $1;
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$email = $2;
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$desc = undef;
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# trim trailing whitespace.
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# why doesn't chomp work?
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while ($author && ($author =~ /\s$/)) {
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chop $author;
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}
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# cset author fixups
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if (exists $mailmap{$email}) {
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$author = $mailmap{$email};
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} elsif (exists $mailmap{$author}) {
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$author = $mailmap{$author};
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} elsif ((!$author) || ($author eq "")) {
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$author = $email;
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}
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$pstate++;
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}
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# skip to blank line
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elsif ($pstate == 2) {
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next unless /^\s*$/;
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$pstate++;
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}
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# skip to non-blank line
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elsif ($pstate == 3) {
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next unless /^\s*(\S.*)$/;
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# skip lines that are obviously not
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# a 1-line cset description
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next if /^\s*From: /;
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chomp;
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$desc = $1;
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&shortlog_entry($author, $desc);
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$pstate = 1;
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}
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else {
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die "invalid parse state $pstate";
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}
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}
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}
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sub finalize {
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#print "\n$n_records records parsed.\n";
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if ($n_records != $n_output) {
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die "parse error: input records != output records\n";
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}
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}
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&changelog_input;
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&shortlog_output;
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&finalize;
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exit(0);
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