$ git clone -n https://src.fedoraproject.org/rpms/bash.git /var/lib/mock/f40-build-777661-129469/root/chroot_tmpdir/scmroot/bash
Cloning into '/var/lib/mock/f40-build-777661-129469/root/chroot_tmpdir/scmroot/bash'...
$ git fetch origin e6e6570fb81b0114f68620a7fffef2e220e4a324:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bash
 * [new ref]         e6e6570fb81b0114f68620a7fffef2e220e4a324 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6e6570 Restore audit logs in bash-4.3 or newer versions