$ git clone -n https://gitee.com/src-opencloudos-rpms/systemd.git /var/lib/mock/dist-oc8-build-242117-82956/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-oc8-build-242117-82956/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin dbef2b3cff9dbfc23659b5f0ae2432e8bf30082d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/systemd
 * [new ref]         dbef2b3cff9dbfc23659b5f0ae2432e8bf30082d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbef2b3 import systemd-239-82.tl3.17.ap.1