fixed a bug in fixed_width

Cargo.toml

@@ -12,3 +12,4 @@ path = "src/make_prompt.rs"
 
 [dependencies]
 git2="*"
+gethostname="*"

src/make_prompt.rs

@@ -2,6 +2,8 @@ use std::fs::File;
 use std::io::Read;
 use std::io::BufReader;
 use std::io::BufRead;
+use gethostname::gethostname;
+use std::ffi::OsString;
 
 fn fixed_width(input: &String, len: usize) -> String
 {
@@ -10,9 +12,9 @@ fn fixed_width(input: &String, len: usize) -> String
 
     if clen > len
     {
-        let cut_to = len - 2_usize;
+        let cut_to = len - 1_usize;
         let start_from = clen - cut_to;
-        let cutted_result = &input[start_from..];
+        let cutted_result: String = input.chars().skip(start_from).collect();
         let mut result: String = String::from(PLACE_HOLDER);
         
         result.push_str(&cutted_result);
@@ -53,6 +55,11 @@ fn battery_info(width_to: usize) -> String
     let mut percentage = String::new();
     let _ = file.read_to_string(&mut percentage);
     
+    if percentage.ends_with('\n')
+    {
+        percentage.pop();
+    }
+
     let status_path = bat_path.join("status");
     let mut file = match File::open(&status_path) {
         Err(why) => panic!("couldn't open {}: {}", status_path.display(), why),
@@ -63,11 +70,11 @@ fn battery_info(width_to: usize) -> String
 
     if status.contains("Charging") || status.contains("Full")
     {
-        fixed_width(&format!("{SYMB_POWER} {percentage}%"), width_to + 1)
+        fixed_width(&format!("{SYMB_POWER} {percentage}%"), width_to)
     }
     else
     {
-        fixed_width(&format!("{SYMB_BATT} {percentage}%"), width_to)
+        fixed_width(&format!("{SYMB_BATT} {percentage}%"), width_to - 1)
     }
 }
 
@@ -161,19 +168,19 @@ fn get_editor() -> String
 
 fn shell_color_str<T: std::fmt::Display>(string_in: &T, color: &str) -> String
 {
-    format!("\x1b[{color}m{string_in}\x1b[00m")
+    format!("\x01\x1b[{color}m\x02{string_in}\x01\x1b[00m\x02")
 }
 
 fn getenv(varname: &str) -> String
 {
     match std::env::var(varname)
     {
-        Ok(hostname) => hostname,
-        Err(_) => "".to_string()
+        Ok(var) => var,
+        Err(_err) => {"".to_string()}
     }
 }
 
-fn main()
+fn main() ->Result<(), OsString>
 {
     const SH_GREEN: &str = "1;32";
     const SH_RED: &str = "01;31";
@@ -230,22 +237,22 @@ fn main()
     print!("\n");
     {
         print!("{}{}", shell_color_str(&"┌[", SH_GREEN)
-                    , battery_info(12));
+                    , fixed_width(&get_git_branch(& std::path::Path::new(&raw_cwd)), 13));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
-                    , fixed_width(&get_git_branch(& std::path::Path::new(&raw_cwd)), 10));
+                    , fixed_width(&get_editor(), 13));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
-               , fixed_width(&get_editor(), 12));
+                    , battery_info(8));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
                , fixed_width(lastexit, 3));
         println!("{}", shell_color_str(&"]┐", SH_GREEN));
     }
     {
         print!("{}{}", shell_color_str(&"╞[", SH_GREEN)
-                    , shell_color_str(&fixed_width(&getenv("HOSTNAME"), 12), SH_CYAN));
+                    , shell_color_str(&fixed_width(&gethostname().into_string()?, 13), SH_CYAN));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
-               , shell_color_str(&fixed_width(&getenv("USER"), 10), SH_RED));
+               , shell_color_str(&fixed_width(&getenv("USER"), 13), SH_RED));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
-               , fixed_width(&cpu_arch, 12));
+               , fixed_width(&cpu_arch, 8));
         print!("{}{}", shell_color_str(&"|", SH_GREEN)
                , fixed_width(&bgjobs, 3));
 
@@ -260,4 +267,5 @@ fn main()
     {
         print!("{} {} ", shell_color_str(&"└", SH_GREEN), shell_color_str(&"$", SH_PURPLE));
     }
+    Ok(())
 }