$ git clone -n https://gitee.com/src-anolis-epao/samtools.git /var/lib/mock/dist-an8-epao-build-417384-72600/root/chroot_tmpdir/scmroot/samtools
Cloning into '/var/lib/mock/dist-an8-epao-build-417384-72600/root/chroot_tmpdir/scmroot/samtools'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-epao/samtools
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ee41a4 update to samtools-1.9-3.el8.src.rpm