clean up get_home() and improve several error messages

src/lib.rs

@@ -4,15 +4,13 @@ use scraper::{Html, Selector};
 use serde::{Deserialize, Serialize};
 
 pub fn get_home() -> String {
-    let home = match std::env::consts::OS {
+    match std::env::consts::OS {
         "linux" => std::env::var("HOME").expect("how is there not a $HOME"),
         "windows" => std::env::var("userprofile").expect("yell at me if this doesn't work please"),
         _ => std::env::var("HOME").expect(
             "if this doesn't work, you're probably on macos, which i literally cannot test on",
         ),
-    };
-    // println!("{home}");
-    home
+    }
 }
 
 pub fn create_config(file: &String) -> bool {
@@ -39,13 +37,13 @@ pub fn create_config(file: &String) -> bool {
 pub fn read_config(file: &String) -> Config {
     let replaced = file.replace('~', &get_home()[..]); // replace ~ with $HOME
     let read = fs::read_to_string(replaced).expect("couldn't read config file");
-    serde_json::from_str(&read[..]).expect("couldn't parse json")
+    serde_json::from_str(&read[..]).expect("couldn't parse config file's json")
 }
 
 pub fn ensure_exists(path: String) {
     let p = Path::new(&path);
     if !p.exists() {
-        fs::create_dir_all(p).expect("couldn't create folder")
+        fs::create_dir_all(p).expect(&format!("couldn't create folder {path}")[..])
     }
 }
 
@@ -70,9 +68,7 @@ pub async fn get_page(date: String) {
     .unwrap()
     .text()
     .await
-    .unwrap()[..];
-
-    // println!("{page_html}");
+    .unwrap()[..]; // ah i love rust
 
     let parsed = Html::parse_document(page_html);
 
@@ -83,5 +79,3 @@ pub async fn get_page(date: String) {
     }
     println!("{url}");
 }
-
-// url: https://girlgeniusonline.com/comic.php?date={date}