$ git clone -n https://gitee.com/alpha-wang/zerofree.git /var/lib/mock/dist-an8-epao-build-417129-72600/root/chroot_tmpdir/scmroot/zerofree
Cloning into '/var/lib/mock/dist-an8-epao-build-417129-72600/root/chroot_tmpdir/scmroot/zerofree'...
$ git fetch origin ce9bdf1c0e07a1675dfb08c529a8e9ed860de290:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/zerofree
 * [new ref]         ce9bdf1c0e07a1675dfb08c529a8e9ed860de290 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce9bdf1 update to zerofree-1.1.1-3.el8.src.rpm