$ git clone -n https://src.fedoraproject.org/rpms/dhcpcd.git /var/lib/mock/f41-build-851431-165947/root/chroot_tmpdir/scmroot/dhcpcd
Cloning into '/var/lib/mock/f41-build-851431-165947/root/chroot_tmpdir/scmroot/dhcpcd'...
$ git fetch origin cd1d7ddd79cafebfffcbb3d2eb30dc0a437dd0ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dhcpcd
 * [new ref]         cd1d7ddd79cafebfffcbb3d2eb30dc0a437dd0ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd1d7dd Update to 10.0.8 (rhbz#2283240)