$ git clone -n https://gitee.com/src-opencloudos-rpms/libtasn1.git /var/lib/mock/dist-oc9-build-124497-74012/root/chroot_tmpdir/scmroot/libtasn1
Cloning into '/var/lib/mock/dist-oc9-build-124497-74012/root/chroot_tmpdir/scmroot/libtasn1'...
$ git fetch origin 5d63d90419abb85173a81fb642d39d0532dc32a5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libtasn1
 * [new ref]         5d63d90419abb85173a81fb642d39d0532dc32a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d63d90 import libtasn1-4.19.0-4.tl4