$ git clone -n https://src.fedoraproject.org/rpms/qgit.git /var/lib/mock/f40-build-791229-137270/root/chroot_tmpdir/scmroot/qgit
Cloning into '/var/lib/mock/f40-build-791229-137270/root/chroot_tmpdir/scmroot/qgit'...
$ git fetch origin b14a7dff39437edf0e04daf3f475999a4f980e5e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qgit
 * [new ref]         b14a7dff39437edf0e04daf3f475999a4f980e5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b14a7df Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild