$ git clone -n https://gitee.com/tomcruiseqi/systemd.git /var/lib/mock/dist-an23-build-482284-74252/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an23-build-482284-74252/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin 00498b3535c4cb6c34180faefff1a0ce46bb77fa:KOJI_FETCH_HEAD
From https://gitee.com/tomcruiseqi/systemd
 * [new ref]         00498b3535c4cb6c34180faefff1a0ce46bb77fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00498b3 update 1002-bugfix-for-CVE-2023-50387.patch.