$ git clone -n https://git.cclinux.org/stage/rpms/gcc.git /var/lib/mock/dist-circle9-build-120060-84751/root/chroot_tmpdir/scmroot/gcc
Cloning into '/var/lib/mock/dist-circle9-build-120060-84751/root/chroot_tmpdir/scmroot/gcc'...
$ git fetch origin 7f80cf9d0a0d654014b04b710a671c0190d5e0b8:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/gcc
 * [new ref]         7f80cf9d0a0d654014b04b710a671c0190d5e0b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f80cf9 import gcc-11.4.1-3.el9