$ git clone -n https://gitee.com/src-opencloudos-rpms/libtalloc.git /var/lib/mock/dist-oc8-build-74476-50541/root/chroot_tmpdir/scmroot/libtalloc
Cloning into '/var/lib/mock/dist-oc8-build-74476-50541/root/chroot_tmpdir/scmroot/libtalloc'...
$ git fetch origin 3787bf8613cd22ebbe3571983e02ea0b11b0c1d0:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libtalloc
 * [new ref]         3787bf8613cd22ebbe3571983e02ea0b11b0c1d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3787bf8 import libtalloc-2.4.1-0.tl3