$ git clone -n https://src.fedoraproject.org/rpms/immix.git /var/lib/mock/f40-build-2314968-57868/root/chroot_tmpdir/scmroot/immix
Cloning into '/var/lib/mock/f40-build-2314968-57868/root/chroot_tmpdir/scmroot/immix'...
$ git fetch origin f9a543b060e62a552b36414aa4f16dc7c0b02028:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/immix
 * [new ref]         f9a543b060e62a552b36414aa4f16dc7c0b02028 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9a543b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild