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
| | # Copyright (C) 2019 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# common stuff for administrative command-line tools
# Unstable internal API
package PublicInbox::Admin;
use strict;
use warnings;
use Cwd 'abs_path';
use base qw(Exporter);
our @EXPORT_OK = qw(resolve_repo_dir);
sub resolve_repo_dir {
my ($cd, $ver) = @_;
my $prefix = defined $cd ? $cd : './';
if (-d $prefix && -f "$prefix/inbox.lock") { # v2
$$ver = 2 if $ver;
return abs_path($prefix);
}
my @cmd = qw(git rev-parse --git-dir);
my $cmd = join(' ', @cmd);
my $pid = open my $fh, '-|';
defined $pid or die "forking $cmd failed: $!\n";
if ($pid == 0) {
if (defined $cd) {
chdir $cd or die "chdir $cd failed: $!\n";
}
exec @cmd;
die "Failed to exec $cmd: $!\n";
} else {
my $dir = eval {
local $/;
<$fh>;
};
close $fh or die "error in $cmd: $!\n";
chomp $dir;
$$ver = 1 if $ver;
return abs_path($cd) if ($dir eq '.' && defined $cd);
abs_path($dir);
}
}
1;
|