$ git clone -n https://src.fedoraproject.org/rpms/mmtf-cpp.git /var/lib/mock/f39-build-1470164-33882/root/chroot_tmpdir/scmroot/mmtf-cpp
Cloning into '/var/lib/mock/f39-build-1470164-33882/root/chroot_tmpdir/scmroot/mmtf-cpp'...
$ git fetch origin 87a3249d2f71eebde91f357e8bcea662966b2abd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mmtf-cpp
 * [new ref]         87a3249d2f71eebde91f357e8bcea662966b2abd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87a3249 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild