$ git clone -n https://gitee.com/yueeranna/systemd.git /var/lib/mock/dist-an23-build-238691-62873/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an23-build-238691-62873/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard c79f4826b424acc33cc9c5a2fc4d481eea46675a
HEAD is now at c79f482 remove buildrequires of xen-devel