$ git clone -n https://src.fedoraproject.org/rpms/acpid.git /var/lib/mock/f42-build-side-1-3501298-45974/root/chroot_tmpdir/scmroot/acpid
Cloning into '/var/lib/mock/f42-build-side-1-3501298-45974/root/chroot_tmpdir/scmroot/acpid'...
$ git fetch origin 5ad567f3c5129d565c8314d519ef2ca5ac395037:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/acpid
 * [new ref]         5ad567f3c5129d565c8314d519ef2ca5ac395037 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ad567f Updated RHEL/ELN exclusive arch