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|
mod git;
mod parser;
use clap::Parser;
use parser::*;
use rustyline::{error::ReadlineError, DefaultEditor};
use std::{io, ops::ControlFlow};
use thiserror::Error;
/// Shackle Shell - A replacement for git-shell with repo management commands built in.
#[derive(Parser, Debug)]
#[command(author, version, about, long_about = None)]
struct Args {
/// Run a single shell command and exit
#[arg(short, long)]
command: Option<String>,
}
fn main() -> Result<(), ShackleError> {
let args = Args::parse();
match args.command {
Some(user_input) => {
run_command(user_input)?;
}
None => {
run_interactive_loop()?;
}
}
Ok(())
}
fn run_command(user_input: String) -> Result<ControlFlow<(), ()>, ShackleError> {
match user_input.parse::<ShackleCommand>() {
Err(parse_error) => {
println!("{}", parse_error);
}
Ok(ShackleCommand::Whitespace) => {}
Ok(ShackleCommand::Exit) => {
return Ok(ControlFlow::Break(()));
}
Ok(ShackleCommand::GitInit(GitInitArgs { repo_name })) => {
git::init(&repo_name)?;
println!("Successfully created \"{}.git\"", repo_name);
}
Ok(ShackleCommand::GitUploadPack(upload_pack_args)) => {
git::upload_pack(&upload_pack_args)?;
}
Ok(ShackleCommand::GitReceivePack(receive_pack_args)) => {
git::receive_pack(&receive_pack_args)?;
}
}
Ok(ControlFlow::Continue(()))
}
fn run_interactive_loop() -> Result<(), ShackleError> {
let mut rl = DefaultEditor::new()?;
loop {
let readline = rl.readline("> ");
match readline {
Ok(user_input) => {
rl.add_history_entry(user_input.as_str())?;
match run_command(user_input) {
Ok(control_flow) => {
if control_flow.is_break() {
break;
}
}
Err(e) => {
println!("{:?}", e);
}
}
}
Err(ReadlineError::Interrupted) => {
println!("Interrupted");
break;
}
Err(ReadlineError::Eof) => {
break;
}
Err(err) => {
println!("Error: {:?}", err);
break;
}
}
}
Ok(())
}
pub enum FlowControl {}
#[derive(Error, Debug)]
pub enum ShackleError {
#[error(transparent)]
IoError(#[from] io::Error),
#[error(transparent)]
GitError(#[from] git2::Error),
#[error(transparent)]
ReadlineError(#[from] ReadlineError),
}
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