$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/gdm.git /var/lib/mock/dist-an7-updates-build-42827-21665/root/chroot_tmpdir/scmroot/gdm
Cloning into '/var/lib/mock/dist-an7-updates-build-42827-21665/root/chroot_tmpdir/scmroot/gdm'...
$ git reset --hard origin/a7
HEAD is now at 1539852 update to gdm-3.28.2-23.el7.src.rpm