$ git clone -n https://src.fedoraproject.org/rpms/mkosi.git /var/lib/mock/f41-build-side-2-python-2708451-30473/root/chroot_tmpdir/scmroot/mkosi
Cloning into '/var/lib/mock/f41-build-side-2-python-2708451-30473/root/chroot_tmpdir/scmroot/mkosi'...
$ git fetch origin 23ff1abd1175d37098e9591332037f0154f001de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mkosi
 * [new ref]         23ff1abd1175d37098e9591332037f0154f001de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23ff1ab Version 24.3