$ git clone -n https://git.cclinux.org/stage/rpms/gcc.git /var/lib/mock/dist-circle8-ppc64le-build-47424-12579/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-circle8-ppc64le-build-47424-12579/root/chroot_tmpdir/scmroot/gcc'...
$ git reset --hard d9b6bb439f606106e7794e1a789d121dcd2a2ca9
HEAD is now at d9b6bb4 import gcc-8.5.0-3.el8