$ git clone -n https://gitee.com/happy_orange/ipxe.git /var/lib/mock/dist-an23-build-107131-45680/root/chroot_tmpdir/scmroot/ipxe
Cloning into '/var/lib/mock/dist-an23-build-107131-45680/root/chroot_tmpdir/scmroot/ipxe'...
$ git reset --hard origin/a23
HEAD is now at 4d761b1 init pacakge from upstream