$ git clone -n https://src.fedoraproject.org/rpms/libmad.git /var/lib/mock/f40-build-784560-133440/root/chroot_tmpdir/scmroot/libmad
Cloning into '/var/lib/mock/f40-build-784560-133440/root/chroot_tmpdir/scmroot/libmad'...
$ git fetch origin c72f5f8cd89e34ea49f81a485abc273f0fb76b9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmad
 * [new ref]         c72f5f8cd89e34ea49f81a485abc273f0fb76b9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c72f5f8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild