$ git clone -n https://src.fedoraproject.org/rpms/libmp4v2.git /var/lib/mock/f41-build-side-1-2820743-33178/root/chroot_tmpdir/scmroot/libmp4v2
Cloning into '/var/lib/mock/f41-build-side-1-2820743-33178/root/chroot_tmpdir/scmroot/libmp4v2'...
$ git fetch origin 075bc035a164b5203173520865e0b08de5a28e39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmp4v2
 * [new ref]         075bc035a164b5203173520865e0b08de5a28e39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 075bc03 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild