$ git clone -n https://gitee.com/src-opencloudos-rpms/libical.git /var/lib/mock/dist-oc9-build-122967-72598/root/chroot_tmpdir/scmroot/libical
Cloning into '/var/lib/mock/dist-oc9-build-122967-72598/root/chroot_tmpdir/scmroot/libical'...
$ git fetch origin 9c010de46de3e3bac5d286d506e54ff0a502860a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libical
 * [new ref]         9c010de46de3e3bac5d286d506e54ff0a502860a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c010de import libical-3.0.16-7.tl4