Files
chg-shell/main.rs
2025-04-04 17:18:18 +00:00

83 lines
2.9 KiB
Rust

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"];
let change_validator = move |input: &str| if input.chars().count() == 0 {
Ok(Validation::Invalid("Change request cannot be empty".into()))
} else if re.is_match(input) {
Ok(Validation::Valid)
} else {
Ok(Validation::Invalid("Invalid change request (e.g: CHGXXXXXX)".into()))
};
let validator = |input: &str| if input.chars().count() > 140 {
Ok(Validation::Invalid("You're only allowed 140 characters.".into()))
} else if input.chars().count() == 0 {
Ok(Validation::Invalid("".into()))
} else {
Ok(Validation::Valid)
};
let prompt_command = match Text::new(&prompt_gen)
.with_validator(validator)
.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(_) => {
match execute_command(&prompt_command) {
Ok(output) => print!("{}", output),
Err(e) => eprintln!("Command failed: {}", e),
}
},
Err(_) => println!("not running command..."),
}
}