$ git clone -n https://gitee.com/src-opencloudos-rpms/libmtp.git /var/lib/mock/dist-oc9-build-70411-47428/root/chroot_tmpdir/scmroot/libmtp
Cloning into '/var/lib/mock/dist-oc9-build-70411-47428/root/chroot_tmpdir/scmroot/libmtp'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libmtp
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 558c721 import libmtp-1.1.21-1.tl4