$ git clone -n https://src.fedoraproject.org/rpms/trojita.git /var/lib/mock/f40-build-781278-131566/root/chroot_tmpdir/scmroot/trojita
Cloning into '/var/lib/mock/f40-build-781278-131566/root/chroot_tmpdir/scmroot/trojita'...
$ git fetch origin c732e4ccc598f67ed686cb9c45df0bd896ebe46a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/trojita
 * [new ref]         c732e4ccc598f67ed686cb9c45df0bd896ebe46a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c732e4c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild