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|
package Crawl::Bot::Plugin::Commit;
use Moose;
use autodie;
use File::pushd;
extends 'Crawl::Bot::Plugin';
has repo_uri => (
is => 'ro',
isa => 'Str',
default => 'git://gitorious.org/crawl/crawl.git',
);
has announce_commits => (
is => 'rw',
isa => 'Bool',
default => 0,
);
has checkout => (
is => 'ro',
isa => 'Str',
lazy => 1,
default => sub {
my $self = shift;
my $checkout = File::Spec->catdir($self->data_dir, 'crawl-ref');
mkdir $checkout unless -d $checkout;
my $dir = pushd($checkout);
if (!-f 'HEAD') {
system('git clone --mirror ' . $self->repo_uri . " $checkout");
}
$checkout;
},
);
has heads => (
traits => [qw(Hash)],
isa => 'HashRef[Str]',
lazy => 1,
handles => {
has_branch => 'exists',
head => 'accessor',
},
default => sub {
my $self = shift;
my $dir = pushd($self->checkout);
return { map { $_ => `git rev-parse $_` } $self->branches };
},
);
sub said {
my $self = shift;
my ($args) = @_;
my @keys = (who => $args->{who}, channel => $args->{channel}, "body");
if ($args->{body} =~ /^%git(?:\s+(.*))?$/) {
my $rev = $1;
$rev = "HEAD" unless $rev;
my $commit = $self->parse_commit($rev);
if (defined $commit) {
my $abbr = substr($commit->{hash}, 0, 12);
my $pl = ($commit->{nfiles} == 1 ? "" : "s");
my $rev = $commit->{revname} || "r$abbr";
$self->say(@keys, "$commit->{author} * $rev: $commit->{subject} "
. "($commit->{date}, $commit->{nfiles} file$pl, "
. "$commit->{nins}+ $commit->{ndel}-) "
. "https://gitorious.org/crawl/crawl/commit/$abbr"
);
} else {
my $ev = $? >> 8;
$self->say(@keys, "Could not find commit $rev (git returned $ev)");
}
}
}
sub tick {
my $self = shift;
my $dir = pushd($self->checkout);
system('git fetch');
for my $branch ($self->branches) {
my $old_head = $self->head($branch) || '';
my $head = `git rev-parse $branch`;
chomp ($old_head, $head);
next if $old_head eq $head;
# Exclude merges from master into other branches.
my $exclude_master = $branch eq "master" ? "" : "^master";
my @revs = split /\n/, `git rev-list $head ^$old_head $exclude_master`;
if (!$self->has_branch($branch)) {
my $nrev = scalar @revs;
my $pl = $nrev == 1 ? "" : "s";
$self->say_all("New branch created: $branch ($nrev commit$pl)");
}
if ($self->announce_commits) {
my %commits = map { $_, $self->parse_commit($_) } @revs;
my $cherry_picks = @revs;
@revs = grep { $commits{$_}->{subject} !~ /\(cherry picked from /
&& $commits{$_}->{body} !~ /\(cherry picked from / } @revs;
$cherry_picks -= @revs;
my $pl = $cherry_picks == 1 ? "" : "s";
$self->say_all("Cherry-picked $cherry_picks commit$pl into $branch")
if $cherry_picks > 0;
for my $rev (@revs) {
my $commit = $commits{$rev};
my $br = $branch eq "master" ? "" : "[$branch] ";
my $abbr = substr($commit->{hash}, 0, 12);
my $pl = ($commit->{nfiles} == 1 ? "" : "s");
my $revname = $commit->{revname} || "r$abbr";
$self->say_all("$commit->{author} $br* $revname: $commit->{subject} "
. "($commit->{date}, $commit->{nfiles} file$pl, "
. "$commit->{nins}+ $commit->{ndel}-) "
. "https://gitorious.org/crawl/crawl/commit/$abbr"
);
}
}
$self->head($branch => $head);
}
}
sub branches {
my $self = shift;
my $dir = pushd($self->checkout);
return map { s/^[ \*]*//; $_ } split /\n/, `git branch`;
}
sub parse_commit {
my $self = shift;
my ($rev) = @_;
my $dir = pushd($self->checkout);
CORE::open(F, "-|:encoding(UTF-8)", qw(git log -1 --shortstat --pretty=format:%H%x00%aN%x00%s%x00%b%x00%ar%x00), $rev) or return undef;
local $/ = undef;
my $info = <F>;
CORE::close(F) or return undef;
my $revname;
if (CORE::open(F, "-|:encoding(UTF-8)", qw(git describe), $rev)) {
$revname = <F>;
$revname =~ s/\n.*//;
CORE::close(F);
}
$info =~ /(.*?)\x00(.*?)\x00(.*?)\x00(.*?)\x00(.*?)\x00(.*)/s or return undef;
my ($hash, $author, $subject, $body, $date, $stat) = ($1, $2, $3, $4, $5, $6);
my ($nfiles, $nins, $ndel);
($stat =~ /(\d+) files changed/) and $nfiles = $1;
($stat =~ /(\d+) insertions/) and $nins = $1;
($stat =~ /(\d+) deletions/) and $ndel = $1;
return {
hash => $hash,
author => $author,
subject => $subject,
body => $body,
date => $date,
nfiles => $nfiles,
nins => $nins,
ndel => $ndel,
revname => $revname,
};
}
__PACKAGE__->meta->make_immutable;
no Moose;
1;
|
