$ git clone -n https://git.cclinux.org/stage/rpms/gcc.git /var/lib/mock/dist-circle8-build-38503-6900/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-circle8-build-38503-6900/root/chroot_tmpdir/scmroot/gcc'...
$ git reset --hard 64e087f0cea26a08423e5217d1a08cd405fcf0f3
HEAD is now at 64e087f import gcc-8.4.1-1.el8