fix lints

generator/src/countries.rs

@@ -1,12 +1,16 @@
-use crate::{print_json, country_map::Country, utils::*};
+use crate::{country_map::Country, print_json, utils::*};
 use anyhow::Result;
 use byteorder::ReadBytesExt;
 use h3o::{CellIndex, Resolution};
 use hextree::{compaction::EqCompactor, Cell, HexTreeMap};
 use isocountry::CountryCode;
 use rayon::prelude::*;
 use std::{
-    collections::HashMap, fs::File, io::{Cursor, Write}, path, sync::{Arc, Mutex}
+    collections::HashMap,
+    fs::File,
+    io::{Cursor, Write},
+    path,
+    sync::{Arc, Mutex},
 };
 
 /// Commands on region indexes

generator/src/country_map.rs

@@ -1,5 +1,6 @@
 use isocountry::CountryCode;
 
+#[allow(clippy::upper_case_acronyms)]
 #[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
 #[repr(u8)]
 pub enum Country {

generator/src/index.rs

@@ -102,7 +102,7 @@ impl Find {
                 let hex_set = read_hexset(&path)?;
                 for (name, needle) in &needles {
                     if hex_set.contains(*needle) {
-                        let match_list = matches.entry(name.to_string()).or_insert(vec![]);
+                        let match_list = matches.entry(name.to_string()).or_default();
 
                         // Avoid duplicate path entries if the same location is
                         // specified multiple times

generator/src/regions.rs

@@ -102,7 +102,7 @@ impl Find {
                 let hex_set = read_hexset(&path)?;
                 for (name, needle) in &needles {
                     if hex_set.contains(*needle) {
-                        let match_list = matches.entry(name.to_string()).or_insert(vec![]);
+                        let match_list = matches.entry(name.to_string()).or_default();
 
                         // Avoid duplicate path entries if the same location is
                         // specified multiple times

generator/src/utils.rs

@@ -17,10 +17,7 @@ pub fn read_geojson<P: AsRef<path::Path>>(file: P) -> Result<Geometry> {
 
 pub fn to_cells(geometry: Geometry, resolution: Resolution) -> Result<Vec<CellIndex>> {
     let collection = geometry
-        .to_cells(
-            PolyfillConfig::new(resolution)
-                .containment_mode(ContainmentMode::Covers)
-        );
+        .to_cells(PolyfillConfig::new(resolution).containment_mode(ContainmentMode::Covers));
     Ok(collection.collect())
 }
 
@@ -116,6 +113,7 @@ pub fn write_geojson<P: AsRef<path::Path>>(geojson: GeoJson, output: P) -> Resul
     let mut writer = fs::OpenOptions::new()
         .write(true)
         .create(true)
+        .truncate(true)
         .open(output.as_ref())?;
     writer.write_all(geojson.to_string().as_bytes())?;
     Ok(())