$ git clone -n https://src.fedoraproject.org/rpms/libatomic_ops.git /var/lib/mock/f40-build-784657-133496/root/chroot_tmpdir/scmroot/libatomic_ops
Cloning into '/var/lib/mock/f40-build-784657-133496/root/chroot_tmpdir/scmroot/libatomic_ops'...
$ git fetch origin a775b709a06f8969c8bc2dccb3c081782c621921:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libatomic_ops
 * [new ref]         a775b709a06f8969c8bc2dccb3c081782c621921 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a775b70 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild