$ git clone -n https://gitee.com/rabbitali/gcc.git /var/lib/mock/dist-an27-pre-build-577345-93894/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-an27-pre-build-577345-93894/root/chroot_tmpdir/scmroot/gcc'...
$ git reset --hard a8
HEAD is now at 488974c update