Format and fix clippy warnings

src/main.rs

@@ -6,10 +6,10 @@ mod twitter;
 mod wiki;
 use clap::{Parser, Subcommand};
 use image::{DynamicImage, RgbaImage};
+use std::borrow::Cow;
 use tiny_skia::{Paint, PathBuilder, Pixmap, PixmapPaint, Stroke, Transform};
 use twitter::*;
 use wiki::*;
-use std::borrow::Cow;
 
 static APP_USER_AGENT: &str = concat!(
     "bot_",
@@ -145,26 +145,23 @@ fn do_list_tweets() -> StdError<()> {
     .json::<serde_json::Value>()?;
 
     let id = user["id"].as_u64().unwrap().to_string();
-    let mut timeline = vec!();
+    let mut timeline = vec![];
     let mut last_id: Option<u64> = None;
     loop {
         event!(Level::INFO, last_id, "Fetching chunk of tweets...");
-        let mut params: Vec<(&str, Cow<str>)> = vec!(            
+        let mut params: Vec<(&str, Cow<str>)> = vec![
             ("count", "200".into()),
             ("exclude_replies", "true".into()),
             ("include_rts", "false".into()),
             ("trim_user", "true".into()),
             ("user_id", Cow::Borrowed(&id)),
-        );
+        ];
         if let Some(since_id) = last_id {
             // Get next chunk of tweets before those we've fetched
             params.push(("max_id", (since_id - 1).to_string().into()))
         }
         let timeline_chunk = twitter_api(
-            reqwest::Url::parse_with_params(
-                &TwitterEndpoint::UserTimeline.to_string(),
-                params,
-            )?,
+            reqwest::Url::parse_with_params(&TwitterEndpoint::UserTimeline.to_string(), params)?,
             Some(&user_token),
             APIAction::Get,
             &[],
@@ -172,10 +169,14 @@ fn do_list_tweets() -> StdError<()> {
         .json::<serde_json::Value>()?;
         let chunk = timeline_chunk.as_array().unwrap().to_owned();
         event!(Level::INFO, count = chunk.len(), "Got tweets.");
-        if chunk.len() == 0 {
+        if chunk.is_empty() {
             break;
         }
-        last_id = Some(chunk.last().unwrap().as_object().unwrap()["id"].as_u64().unwrap());
+        last_id = Some(
+            chunk.last().unwrap().as_object().unwrap()["id"]
+                .as_u64()
+                .unwrap(),
+        );
         timeline.extend(chunk);
     }
     for tweet in timeline {
@@ -216,16 +217,17 @@ fn get_client(headers: Option<reqwest::header::HeaderMap>) -> StdError<reqwest::
 fn run_bot(dry_run: bool, target: Option<String>) -> StdError<()> {
     let all = scrape_web()?;
     let (title, filename) = if let Some(target) = target {
-        all.iter().find(|(title, _)| title.to_lowercase().contains(&target.to_lowercase()))
+        all.iter()
+            .find(|(title, _)| title.to_lowercase().contains(&target.to_lowercase()))
     } else {
-        all
-        .choose(&mut rand::thread_rng())
-    }.ok_or("got no images m8")?;
+        all.choose(&mut rand::thread_rng())
+    }
+    .ok_or("got no images m8")?;
     event!(Level::INFO, title, filename, "Picked random thing");
     let client = get_client(None)?;
     event!(Level::INFO, "Fetching metadata...");
     // TODO: could crash, probably doesn't matter
-    let meta = get_file_metadata(vec![filename])?.remove(0);
+    let meta = get_file_metadata(&[filename.as_str()])?.remove(0);
     event!(Level::INFO, %meta, "Got metadata");
     event!(Level::INFO, url = meta.url.to_string(), "Fetching image");
     let svg = client.get(meta.url).send()?.bytes()?;

src/wiki.rs

@@ -156,7 +156,7 @@ struct ExtMetaItem<T> {
     value: T,
 }
 
-pub fn get_file_metadata(files: Vec<&str>) -> StdError<Vec<FileMeta>> {
+pub fn get_file_metadata(files: &[&str]) -> StdError<Vec<FileMeta>> {
     let client = get_client(None)?;
     // Api only lets us do 50 files in one request
     Ok(files