1 files changed, 40 insertions, 0 deletions
diff --git a/lib/PublicInbox/GitCredential.pm b/lib/PublicInbox/GitCredential.pm
new file mode 100644
index 00000000..826e7a55
--- /dev/null
+++ b/lib/PublicInbox/GitCredential.pm
@@ -0,0 +1,40 @@
+# Copyright (C) 2020 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+package PublicInbox::GitCredential;
+use strict;
+use PublicInbox::Spawn qw(popen_rd);
+
+sub run ($$) {
+        my ($self, $op) = @_;
+        my ($in_r, $in_w);
+        pipe($in_r, $in_w) or die "pipe: $!";
+        my $out_r = popen_rd([qw(git credential), $op], 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 $op' failed: \$!=$! \$?=$?\n";
+}
+
+sub fill {
+        my ($self) = @_;
+        my $out_r = run($self, 'fill');
+        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";
+}
+
+1;