summaryrefslogtreecommitdiff
path: root/lib/API/GitForge/GitLab.pm
blob: 1e620d82c7d10f3a88b4d9d400947450b1b85c2d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
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, $upstream) = @_;
    my (undef, $repo)     = _extract_project_id($upstream);
    my $user = $self->{_api}->current_user->{username};

    $self->{_api}->edit_project(
        "$user/$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;