$ git clone -n https://src.fedoraproject.org/rpms/mp3fs.git /var/lib/mock/f40-build-802760-144091/root/chroot_tmpdir/scmroot/mp3fs
Cloning into '/var/lib/mock/f40-build-802760-144091/root/chroot_tmpdir/scmroot/mp3fs'...
$ git fetch origin 47ffe05dea2c2b026d7be21d0a64f5ec256a327c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mp3fs
 * [new ref]         47ffe05dea2c2b026d7be21d0a64f5ec256a327c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47ffe05 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild