$ git clone -n https://gitee.com/gcdota930915/gcc.git /var/lib/mock/dist-an23.2-build-404071-72442/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-an23.2-build-404071-72442/root/chroot_tmpdir/scmroot/gcc'...
$ git reset --hard origin/a23
HEAD is now at f4b5687 update gcc.spec.