$ git clone -n https://gitee.com/zhonglingh/systemd.git /var/lib/mock/dist-an8.9-build-379216-71722/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an8.9-build-379216-71722/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard origin/c542c9eb6fb466feba5bcd92cef505ac4e7241b5
fatal: ambiguous argument 'origin/c542c9eb6fb466feba5bcd92cef505ac4e7241b5': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'