$ git clone -n https://src.fedoraproject.org/rpms/kgamma.git /var/lib/mock/f40-build-2296732-56411/root/chroot_tmpdir/scmroot/kgamma
Cloning into '/var/lib/mock/f40-build-2296732-56411/root/chroot_tmpdir/scmroot/kgamma'...
$ git fetch origin a50819bc9fbd20c64a50cadc199ecd110935a690:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kgamma
 * [new ref]         a50819bc9fbd20c64a50cadc199ecd110935a690 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a50819b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild