$ git clone -n https://src.fedoraproject.org/rpms/dolphin.git /var/lib/mock/f42-build-3409103-45146/root/chroot_tmpdir/scmroot/dolphin
Cloning into '/var/lib/mock/f42-build-3409103-45146/root/chroot_tmpdir/scmroot/dolphin'...
$ git fetch origin d148433e08f45d29c922335ca644b0ba974cee84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dolphin
 * [new ref]         d148433e08f45d29c922335ca644b0ba974cee84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d148433 24.12.3