$ git clone -n https://src.fedoraproject.org/rpms/dhcpcd.git /var/lib/mock/f39-build-1575790-37939/root/chroot_tmpdir/scmroot/dhcpcd
Cloning into '/var/lib/mock/f39-build-1575790-37939/root/chroot_tmpdir/scmroot/dhcpcd'...
$ git fetch origin e0f6455e8e90fed9623c5e0cd86450fea4eebbda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dhcpcd
 * [new ref]         e0f6455e8e90fed9623c5e0cd86450fea4eebbda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0f6455 Update to 10.04