$ git clone -n https://src.fedoraproject.org/rpms/kf5-baloo.git /var/lib/mock/f40-build-787894-134965/root/chroot_tmpdir/scmroot/kf5-baloo
Cloning into '/var/lib/mock/f40-build-787894-134965/root/chroot_tmpdir/scmroot/kf5-baloo'...
$ git fetch origin 2aa474c17408793e44197d284b7745502c03c5b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-baloo
 * [new ref]         2aa474c17408793e44197d284b7745502c03c5b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2aa474c Drop kf5-baloo-file subpackage, obsoleted by kf6-baloo-file