$ git clone -n https://gitee.com/gcdota930915/gnome-shell.git /var/lib/mock/dist-an8_8-el9-build-169780-58894/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/dist-an8_8-el9-build-169780-58894/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git reset --hard origin/a8
HEAD is now at a105439 update to gnome-shell-40.9-2.el9.src.rpm