$ git clone -n https://src.fedoraproject.org/rpms/dhcpcd.git /var/lib/mock/f38-build-720667-97821/root/chroot_tmpdir/scmroot/dhcpcd
Cloning into '/var/lib/mock/f38-build-720667-97821/root/chroot_tmpdir/scmroot/dhcpcd'...
$ git fetch origin 10601c486e6f2d7322f3bb5743a0ae5fcbcf2d08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dhcpcd
 * [new ref]         10601c486e6f2d7322f3bb5743a0ae5fcbcf2d08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10601c4 Use SPDX license identifier