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Add git-shortlog perl script

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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.
This commit is contained in:
Linus Torvalds 2005-06-04 20:21:35 -07:00
parent 337cb3fb8d
commit fa375c7f1b
2 changed files with 168 additions and 1 deletions
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2
Makefile
View File

@ -23,7 +23,7 @@ INSTALL=install
SCRIPTS=git git-apply-patch-script git-merge-one-file-script git-prune-script \
git-pull-script git-tag-script git-resolve-script git-whatchanged \
git-deltafy-script git-fetch-script git-status-script git-commit-script \
git-log-script
git-log-script git-shortlog
PROG= git-update-cache git-diff-files git-init-db git-write-tree \
git-read-tree git-commit-tree git-cat-file git-fsck-cache \

167
git-shortlog Executable file
View File

@ -0,0 +1,167 @@
#!/usr/bin/perl -w
use strict;
#
# Even with git, we don't always have name translations.
# So have an email->real name table to translate the
# (hopefully few) missing names
#
my %mailmap = (
'aherrman@de.ibm.com' => 'Andreas Herrmann',
'akpm@osdl.org' => 'Andrew Morton',
'andrew.vasquez@qlogic.com' => 'Andrew Vasquez',
'aquynh@gmail.com' => 'Nguyen Anh Quynh',
'axboe@suse.de' => 'Jens Axboe',
'blaisorblade@yahoo.it' => 'Paolo \'Blaisorblade\' Giarrusso',
'bunk@stusta.de' => 'Adrian Bunk',
'domen@coderock.org' => 'Domen Puncer',
'dougg@torque.net' => 'Douglas Gilbert',
'dwmw2@shinybook.infradead.org' => 'David Woodhouse',
'ecashin@coraid.com' => 'Ed L Cashin',
'felix@derklecks.de' => 'Felix Moeller',
'gregkh@suse.de' => 'Greg Kroah-Hartman',
'hch@lst.de' => 'Christoph Hellwig',
'htejun@gmail.com' => 'Tejun Heo',
'jejb@mulgrave.(none)' => 'James Bottomley',
'jejb@titanic.il.steeleye.com' => 'James Bottomley',
'jgarzik@pretzel.yyz.us' => 'Jeff Garzik',
'johnpol@2ka.mipt.ru' => 'Evgeniy Polyakov',
'kay.sievers@vrfy.org' => 'Kay Sievers',
'minyard@acm.org' => 'Corey Minyard',
'R.Marek@sh.cvut.cz' => 'Rudolf Marek',
'simon@thekelleys.org.uk' => 'Simon Kelley',
'ssant@in.ibm.com' => 'Sachin P Sant',
'tony.luck@intel.com' => 'Tony Luck',
);
my (%map);
my $pstate = 1;
my $n_records = 0;
my $n_output = 0;
sub shortlog_entry($$) {
my ($name, $desc) = @_;
my $key = $name;
$desc =~ s#/pub/scm/linux/kernel/git/#/.../#g;
$desc =~ s#\[PATCH\] ##g;
# store description in array, in email->{desc list} map
if (exists $map{$key}) {
# grab ref
my $obj = $map{$key};
# add desc to array
push(@$obj, $desc);
} else {
# create new array, containing 1 item
my @arr = ($desc);
# store ref to array
$map{$key} = \@arr;
}
}
# sort comparison function
sub by_name($$) {
my ($a, $b) = @_;
uc($a) cmp uc($b);
}
sub shortlog_output {
my ($obj, $key, $desc);
foreach $key (sort by_name keys %map) {
# output author
printf "%s:\n", $key;
# output author's 1-line summaries
$obj = $map{$key};
foreach $desc (@$obj) {
print " $desc\n";
$n_output++;
}
# blank line separating author from next author
print "\n";
}
}
sub changelog_input {
my ($author, $desc);
while (<>) {
# get author and email
if ($pstate == 1) {
my ($email);
next unless /^Author: (.*)<(.*)>.*$/;
$n_records++;
$author = $1;
$email = $2;
$desc = undef;
# trim trailing whitespace.
# why doesn't chomp work?
while ($author && ($author =~ /\s$/)) {
chop $author;
}
# cset author fixups
if (exists $mailmap{$email}) {
$author = $mailmap{$email};
} elsif (exists $mailmap{$author}) {
$author = $mailmap{$author};
} elsif ((!$author) || ($author eq "")) {
$author = $email;
}
$pstate++;
}
# skip to blank line
elsif ($pstate == 2) {
next unless /^\s*$/;
$pstate++;
}
# skip to non-blank line
elsif ($pstate == 3) {
next unless /^\s*(\S.*)$/;
# skip lines that are obviously not
# a 1-line cset description
next if /^\s*From: /;
chomp;
$desc = $1;
&shortlog_entry($author, $desc);
$pstate = 1;
}
else {
die "invalid parse state $pstate";
}
}
}
sub finalize {
#print "\n$n_records records parsed.\n";
if ($n_records != $n_output) {
die "parse error: input records != output records\n";
}
}
&changelog_input;
&shortlog_output;
&finalize;
exit(0);