$ git clone -n https://gitee.com/wenyuzifang/libisofs.git /var/lib/mock/dist-an23-build-480695-74252/root/chroot_tmpdir/scmroot/libisofs
Cloning into '/var/lib/mock/dist-an23-build-480695-74252/root/chroot_tmpdir/scmroot/libisofs'...
$ git fetch origin 9a1788be9d1f0f35276d037f8a80b5c608e88ef1:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libisofs
 * [new ref]         9a1788be9d1f0f35276d037f8a80b5c608e88ef1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a1788b Update code from upstream