$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/perl-threads /var/lib/mock/dist-el8-build-1478-27/root/chroot_tmpdir/scmroot/perl-threads
Cloning into '/var/lib/mock/dist-el8-build-1478-27/root/chroot_tmpdir/scmroot/perl-threads'...
$ git reset --hard origin/a8
HEAD is now at 28cac80 import perl-threads-2.21-2.el8.src.rpm