$ git clone -n https://src.fedoraproject.org/rpms/kmix.git /var/lib/mock/f40-build-2296991-56430/root/chroot_tmpdir/scmroot/kmix
Cloning into '/var/lib/mock/f40-build-2296991-56430/root/chroot_tmpdir/scmroot/kmix'...
$ git fetch origin 80d1c3a7591bb3ac714aadb7635b676af998d226:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmix
 * [new ref]         80d1c3a7591bb3ac714aadb7635b676af998d226 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80d1c3a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild