$ git clone -n https://gitee.com/src-anolis-os/gutenprint.git /var/lib/mock/dist-an8.7-build-268766-64025/root/chroot_tmpdir/scmroot/gutenprint
Cloning into '/var/lib/mock/dist-an8.7-build-268766-64025/root/chroot_tmpdir/scmroot/gutenprint'...
$ git reset --hard origin/a8
HEAD is now at 0a2848f Modify BuildRequires