$ git clone -n https://src.fedoraproject.org/rpms/unittest-cpp.git /var/lib/mock/f40-build-790143-136346/root/chroot_tmpdir/scmroot/unittest-cpp
Cloning into '/var/lib/mock/f40-build-790143-136346/root/chroot_tmpdir/scmroot/unittest-cpp'...
$ git fetch origin ff69852fc2a32112cc3ac1e2cb424155e9c77ddc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/unittest-cpp
 * [new ref]         ff69852fc2a32112cc3ac1e2cb424155e9c77ddc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff69852 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild