$ git clone -n https://src.fedoraproject.org/rpms/acpid.git /var/lib/mock/f41-build-side-1-2631387-25705/root/chroot_tmpdir/scmroot/acpid
Cloning into '/var/lib/mock/f41-build-side-1-2631387-25705/root/chroot_tmpdir/scmroot/acpid'...
$ git fetch origin 6a191fb96da045c629224fc870b5821c2bf956c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/acpid
 * [new ref]         6a191fb96da045c629224fc870b5821c2bf956c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a191fb Dropped videoconf, obsolete for some time