$ git clone -n https://gitee.com/cobratoxin/libXv.git /var/lib/mock/dist-an8.7-build-273334-64170/root/chroot_tmpdir/scmroot/libXv
Cloning into '/var/lib/mock/dist-an8.7-build-273334-64170/root/chroot_tmpdir/scmroot/libXv'...
$ git fetch origin 781bac59012dccb8a636f967e6119e9ef2558954:KOJI_FETCH_HEAD
From https://gitee.com/cobratoxin/libXv
 * [new ref]         781bac59012dccb8a636f967e6119e9ef2558954 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 781bac5 Add doc sub package