adding command exec

main.rs

@@ -1,8 +1,40 @@
+use std::process::{Command, Output};
+use std::io::Result as IoResult;
 use inquire::{Text, validator::{Validation}};
 use inquire::{error::InquireError, Select};
+use inquire::ui::{RenderConfig, Styled};
 use regex::Regex;
 
+fn execute_command(command: &str) -> IoResult<String> {
+    // Use Command to run the bash shell with the -c option to pass the command string
+    let output: Output = Command::new("bash")
+        .arg("-c")
+        .arg(command)
+        .output()?;
+
+    if output.status.success() {
+        // Convert the stdout of the command to a String
+        Ok(String::from_utf8_lossy(&output.stdout).to_string())
+    } else {
+        // Handle errors by converting stderr to a String and returning an Err variant
+        let error_message = String::from_utf8_lossy(&output.stderr);
+        Err(std::io::Error::new(
+            std::io::ErrorKind::Other,
+            format!("Command failed with error: {}", error_message),
+        ))
+    }
+}
+
 fn main() {
+    let prompt_gen_command = "echo -n \"[${USER}@${HOSTNAME} ${PWD##*/}]$\"";
+    let prompt_gen = match execute_command(&prompt_gen_command) {
+        Ok(output) => output,
+        Err(_) => return
+    };
+
+    let mut empty_render_config: RenderConfig = RenderConfig::default();
+    empty_render_config = empty_render_config.with_prompt_prefix(Styled::new(""));
+
     let re = Regex::new(r"CHG[0-9]{6}$").unwrap();
     let options: Vec<&str> = vec!["File change", "Package Update", "Package Removal",
                                   "File Removal", "Misc. Command"];
@@ -23,16 +55,28 @@ fn main() {
         Ok(Validation::Valid)
     };
 
-    let _ = Text::new("system prompt $ ")
+    let prompt_command = match Text::new(&prompt_gen)
         .with_validator(validator)
-        .prompt();
+        .with_render_config(empty_render_config)
+        .prompt() {
+            Ok(input) => input,
+            Err(_) => {
+                eprintln!("Failed to get system input.");
+                return;
+            }
+        };
 
     let _ = Text::new("(e.g. CHGXXXXXX) Enter change request: ").with_validator(change_validator).prompt();
 
     let ans: Result<&str, InquireError> = Select::new("Change Type?", options).prompt();
 
     match ans {
-        Ok(_) => println!("running command..."),
+        Ok(_) => {
+            match execute_command(&prompt_command) {
+               Ok(output) => print!("{}", output),
+                Err(e) => eprintln!("Command failed: {}", e),
+            }
+        },
         Err(_) => println!("not running command..."),
     }
 }