merge(3p/git): Merge git subtree at v2.29.2 r/1890

This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb

1 files changed, 16 insertions, 16 deletions

diff --git a/third_party/git/t/test-terminal.perl b/third_party/git/t/test-terminal.perl
index 46bf618479..1bcf01a9a4 100755
--- a/third_party/git/t/test-terminal.perl
+++ b/third_party/git/t/test-terminal.perl
@@ -81,24 +81,24 @@ if ($#ARGV < 1) {
 	die "usage: test-terminal program args";
 }
 $ENV{TERM} = 'vt100';
-my $master_in = new IO::Pty;
-my $master_out = new IO::Pty;
-my $master_err = new IO::Pty;
-$master_in->set_raw();
-$master_out->set_raw();
-$master_err->set_raw();
-$master_in->slave->set_raw();
-$master_out->slave->set_raw();
-$master_err->slave->set_raw();
-my $pid = start_child(\@ARGV, $master_in->slave, $master_out->slave, $master_err->slave);
-close $master_in->slave;
-close $master_out->slave;
-close $master_err->slave;
-my $in_pid = copy_stdin($master_in);
-copy_stdio($master_out, $master_err);
+my $parent_in = new IO::Pty;
+my $parent_out = new IO::Pty;
+my $parent_err = new IO::Pty;
+$parent_in->set_raw();
+$parent_out->set_raw();
+$parent_err->set_raw();
+$parent_in->slave->set_raw();
+$parent_out->slave->set_raw();
+$parent_err->slave->set_raw();
+my $pid = start_child(\@ARGV, $parent_in->slave, $parent_out->slave, $parent_err->slave);
+close $parent_in->slave;
+close $parent_out->slave;
+close $parent_err->slave;
+my $in_pid = copy_stdin($parent_in);
+copy_stdio($parent_out, $parent_err);
 my $ret = finish_child($pid);
 # If the child process terminates before our copy_stdin() process is able to
-# write all of its data to $master_in, the copy_stdin() process could stall.
+# write all of its data to $parent_in, the copy_stdin() process could stall.
 # Send SIGTERM to it to ensure it terminates.
 kill 'TERM', $in_pid;
 finish_child($in_pid);