$ git clone -n https://gitee.com/src-opencloudos-rpms/libtevent.git /var/lib/mock/dist-oc8-build-74498-50608/root/chroot_tmpdir/scmroot/libtevent
Cloning into '/var/lib/mock/dist-oc8-build-74498-50608/root/chroot_tmpdir/scmroot/libtevent'...
$ git fetch origin 8603608d00fed8fe7b797edf2b0a3b4cb5811ff1:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libtevent
 * [new ref]         8603608d00fed8fe7b797edf2b0a3b4cb5811ff1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8603608 import libtevent-0.16.0-0.tl3