$ git clone -n https://gitee.com/src-opencloudos-rpms/libtasn1.git /var/lib/mock/dist-oc8-build-134672-78841/root/chroot_tmpdir/scmroot/libtasn1
Cloning into '/var/lib/mock/dist-oc8-build-134672-78841/root/chroot_tmpdir/scmroot/libtasn1'...
$ git fetch origin e06e517939b6523a71191ccee8f894c1cbb6ac08:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libtasn1
 * [new ref]         e06e517939b6523a71191ccee8f894c1cbb6ac08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e06e517 import libtasn1-4.13-5.tl3