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package API::GitForge::GitLab;
# ABSTRACT: common git forge operations using the GitLab API
#
# Copyright (C) 2020 Sean Whitton <spwhitton@spwhitton.name>
#
# 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/>.
=head1 DESCRIPTION
See L<API::GitForge> and L<API::GitForge::Role::GitForge> for how to
use this class.
=cut
use 5.028;
use strict;
use warnings;
use Role::Tiny::With;
use Carp;
use GitLab::API::v4;
with "API::GitForge::Role::GitForge";
sub _make_api {
my $self = shift;
my %opts = (url => "https://" . $self->{_domain} . "/api/v4");
$opts{private_token} = $self->{_access_token}
if exists $self->{_access_token};
$self->{_api} = GitLab::API::v4->new(%opts);
}
sub _ensure_fork {
my ($self, $upstream) = @_;
my ($path, $repo) = _extract_project_id($upstream);
my $user = $self->{_api}->current_user->{username};
my @user_repos;
my $update_user_repos = sub {
@user_repos
= @{ $self->{_api}->projects({ search => "$user/$repo" }) };
};
my $repo_exists = sub {
grep { $_->{path_with_namespace} eq "$user/$repo" } @user_repos;
};
&$update_user_repos;
if (&$repo_exists) {
$self->_assert_fork_has_parent($upstream);
} else {
$self->{_api}->fork_project("$path/$repo");
until (&$repo_exists) {
sleep 5;
&$update_user_repos;
}
}
return "https://" . $self->{_domain} . "/$user/$repo.git";
}
sub _assert_fork_has_parent {
my ($self, $upstream) = @_;
my ($path, $repo) = _extract_project_id($upstream);
my $user = $self->{_api}->current_user->{username};
my $fork = $self->{_api}->project("$user/$repo");
$fork->{forked_from_project}{path_with_namespace} eq $path . "/" . $repo
or croak
"$user/$repo does not have parent $upstream; don't know what to do";
}
sub _clean_config_repo {
my ($self, $target) = @_;
my ($ns, $repo) = _extract_project_id($target);
$self->{_api}->edit_project(
"$ns/$repo",
{
issues_access_level => "disabled",
merge_requests_access_level => "disabled",
});
}
sub _clean_config_fork {
my ($self, $upstream) = @_;
my (undef, $repo) = _extract_project_id($upstream);
my $user = $self->{_api}->current_user->{username};
$self->{_api}->edit_project(
"$user/$repo",
{
default_branch => "gitforge",
description => "Temporary fork for merge request(s)",
issues_access_level => "disabled",
# merge requests have to be enabled in the fork in order
# to submit merge requests to the upstream repo from which
# we forked, it seems
merge_requests_access_level => "enabled",
});
}
sub _ensure_repo {
my ($self, $target) = @_;
my ($ns, $repo) = _extract_project_id($target);
return if $self->{_api}->project($target);
my $namespace = $self->{_api}->namespace($ns)
or croak "invalid project namespace $ns";
$self->{_api}
->create_project({ name => $repo, namespace_id => $namespace->{id} });
}
sub _nuke_fork {
my ($self, $upstream) = @_;
$self->_assert_fork_has_parent($upstream);
my (undef, $repo) = _extract_project_id($upstream);
my $user = $self->{_api}->current_user->{username};
$self->{_api}->delete_project("$user/$repo");
}
sub _ensure_fork_branch_unprotected {
my ($self, $upstream, $branch) = @_;
my (undef, $repo) = _extract_project_id($upstream);
my $user = $self->{_api}->current_user->{username};
return unless $self->{_api}->protected_branch("$user/$repo", $branch);
$self->{_api}->unprotect_branch("$user/$repo", $branch);
}
sub _extract_project_id {
my $project = shift;
$project =~ s#(?:\.git)?/?$##;
$project =~ m#/([^/]+)$#;
($`, $1);
}
1;
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