# Copyright (C) 2020-2021 all contributors
# License: AGPL-3.0+
package PublicInbox::GitCredential;
use strict;
use PublicInbox::Spawn qw(popen_rd);
sub run ($$;$) {
my ($self, $op, $lei) = @_;
my ($in_r, $in_w, $out_r);
my $cmd = [ qw(git credential), $op ];
pipe($in_r, $in_w) or die "pipe: $!";
if ($lei) { # we'll die if disconnected:
pipe($out_r, my $out_w) or die "pipe: $!";
$lei->send_exec_cmd([ $in_r, $out_w ], $cmd, {});
} else {
$out_r = popen_rd($cmd, undef, { 0 => $in_r });
}
close $in_r or die "close in_r: $!";
my $out = '';
for my $k (qw(url protocol host username password)) {
defined(my $v = $self->{$k}) or next;
die "`$k' contains `\\n' or `\\0'\n" if $v =~ /[\n\0]/;
$out .= "$k=$v\n";
}
$out .= "\n";
print $in_w $out or die "print (git credential $op): $!";
close $in_w or die "close (git credential $op): $!";
return $out_r if $op eq 'fill';
<$out_r> and die "unexpected output from `git credential $op'\n";
close $out_r or die "`git credential $op' failed: \$!=$! \$?=$?\n";
}
sub check_netrc {
my ($self, $lei) = @_;
# n.b. lei doesn't load ~/.netrc by default, public-inbox-watch does,
# which may've been a mistake, but we have to live with it.
return if ($lei && !$lei->{opt}->{netrc});
# part of the standard library, but distributions may split it out
eval { require Net::Netrc };
if ($@) {
warn "W: Net::Netrc missing: $@\n";
return;
}
if (my $x = Net::Netrc->lookup($self->{host}, $self->{username})) {
$self->{username} //= $x->login;
$self->{password} = $x->password;
}
}
sub fill {
my ($self, $lei) = @_;
my $out_r = run($self, 'fill', $lei);
while (<$out_r>) {
chomp;
return if $_ eq '';
/\A([^=]+)=(.*)\z/ or die "bad line: $_\n";
$self->{$1} = $2;
}
close $out_r or die "git credential fill failed: \$!=$! \$?=$?\n";
$self->{filled} = 1;
}
1;