works

source.sh

@@ -3,6 +3,8 @@ bin_path=$(pwd)/target/debug/make_prompt
 PROMPT_COMMAND='make_prompt'
 
 make_prompt () {
-    local prompt_pref=$($bin_path $?) 
+    local lastexit=$?
+    local bgjobs=$(jobs | wc -l)
+    local prompt_pref=$($bin_path $lastexit $bgjobs) 
     PS1="$prompt_pref"
 }

src/make_prompt.rs

@@ -5,7 +5,7 @@ use std::io::BufRead;
 
 fn fixed_width(input: &String, len: usize) -> String
 {
-    let clen = input.len();
+    let clen = input.chars().count();
     const PLACE_HOLDER: &str = "🤄";
 
     if clen > len
@@ -21,8 +21,8 @@ fn fixed_width(input: &String, len: usize) -> String
     else
     {
         let n_pad = len - clen;
-        let n_pad_left = n_pad / 2;
-        let n_pad_right = n_pad_left + { if n_pad % 2 == 0 {0} else {1}};
+        let n_pad_right = n_pad / 2;
+        let n_pad_left = n_pad_right + { if n_pad % 2 == 0 {0} else {1}};
         let mut result: String = str::repeat(" ", n_pad_left).to_owned();
         result.push_str(input);
         result.push_str(&str::repeat(" ", n_pad_right));
@@ -34,7 +34,7 @@ fn battery_info(width_to: usize) -> String
 {
     const BATTERY_DIR: &str = "/sys/class/power_supply/BAT0/";
     const SYMB_POWER: &str = "↯";
-    const SYMB_BATT: &str = "🔋";
+    const SYMB_BATT: &str  = "🔋";
 
     let bat_path = std::path::Path::new(BATTERY_DIR);
 
@@ -197,15 +197,28 @@ fn main()
         }
     };
 
+    let raw_cwd = getenv("PWD");
+
+    let home = getenv("HOME");
+
     let cwd = {
+        if raw_cwd.starts_with(&home)
+        {
+            let everything_after_home = &raw_cwd[home.len()..];
+            let mut res = "~".to_string();
+            res.push_str(everything_after_home);
+            res
+        }
+        else
+        {
+            raw_cwd.to_string()
+        }
+    };
+
+    let bgjobs = {
         if args.len() <= 2
         {
-            let promise = std::env::current_dir();
-            match promise
-            {
-                Ok(v) => v.display().to_string(),
-                Err(_reason) => panic!("failed to get cwd")
-            }
+            "0".to_string()
         }
         else
         {
@@ -219,18 +232,23 @@ fn main()
         print!("{}{}", shell_color_str(&"┌[", SH_GREEN)
                     , battery_info(12));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
-                    , fixed_width(&get_git_branch(& std::path::Path::new(&cwd)), 12));
+                    , fixed_width(&get_git_branch(& std::path::Path::new(&raw_cwd)), 10));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
-               , fixed_width(&get_editor(), 10));
+               , fixed_width(&get_editor(), 12));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
-               , fixed_width(lastexit, 4));
+               , fixed_width(lastexit, 3));
         println!("{}", shell_color_str(&"]┐", SH_GREEN));
     }
     {
         print!("{}{}", shell_color_str(&"╞[", SH_GREEN)
-                    , fixed_width(&getenv("HOSTNAME"), 12));
+                    , shell_color_str(&fixed_width(&getenv("HOSTNAME"), 12), SH_CYAN));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
-               , fixed_width(&getenv("USER"), 10));
+               , shell_color_str(&fixed_width(&getenv("USER"), 10), SH_RED));
+        print!("{}{}", shell_color_str(&"|", SH_GREEN)
+               , fixed_width(&cpu_arch, 12));
+        print!("{}{}", shell_color_str(&"|", SH_GREEN)
+               , fixed_width(&bgjobs, 3));
+
         println!("{}", shell_color_str(&"]┘", SH_GREEN));
     }
     {