$ git clone -n https://gitee.com/mgb01105731/glibc.git /var/lib/mock/dist-an23-build-157733-58313/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-an23-build-157733-58313/root/chroot_tmpdir/scmroot/glibc'...
$ git reset --hard origin/a23
HEAD is now at 9fea739 optimise spec file