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package Local::Util::Git;
# Copyright (C) 2019 Sean Whitton
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Probably best if this module has no non-core dependencies.
use strict;
use warnings;
use Exporter 'import';
our @EXPORT_OK = qw(unpushed_tags);
sub unpushed_tags {
my ($dir) = shift;
my $git = "git";
$git .= " -C $dir" if defined $dir;
# allow skipping this check on a whole repo
chomp(my $ignore =
`$git config --get --type=bool spwhitton.unpushed-tags.ignore`);
return () if $ignore eq 'true';
# archive/debian/foo tags are pushed only to dgit repos in split
# brain mode. Also, it is highly unlikely they don't get pushed
# there, so we aren't going to check. We probably don't want to
# ls-remote dgit-repos because that's not really a supported API
# (note that dgit doesn't create an origin remote pointing to
# dgit-repos anymore)
#
# We also ignore a debian/foo tag where the corresponding
# archive/debian/foo tag exists, because that means the former has
# been pushed to dgit repos
chomp(my @all_tags = `$git tag`);
die "failed to get git tags" unless ($? == 0);
my @tags;
my %dgit_archive_tags;
for (@all_tags) {
if (m|^archive/debian/|) {
$dgit_archive_tags{$_} = undef;
} else {
push @tags, $_;
}
}
@tags
= grep { !(m|^debian/| and exists $dgit_archive_tags{"archive/$_"}) }
@tags;
chomp(my @remotes = `$git remote`);
die "failed to get git remotes" unless ($? == 0);
@remotes = grep !/\A(dgit|develacc)\z/, @remotes;
my %pushed_tags;
foreach my $remote (@remotes) {
# allow skipping remotes which don't like 'ls-remote'
# TODO replace with an spwhitton.unpushed-tags.skip-remotes key ?
# chomp(my $ignore =
# `$git config --get --type=bool remote.$remote.unpushed-tags-ignore`);
# next if $ignore eq 'true';
# remotes without URIs are probably git-annex special remotes; skip them
`$git config --local --get remote.$remote.url`;
next unless $? == 0;
chomp(my @ls_remote = `$git ls-remote --tags $remote`);
die "failed to list git remote $remote" unless ($? == 0);
$pushed_tags{$_} = undef
for map { m|^[0-9a-f]+\s+refs/tags/([^^]+)|; $1 // () } @ls_remote;
}
return grep { ! exists $pushed_tags{$_} } @tags;
}
1;
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