156 lines
3.5 KiB
Rust
156 lines
3.5 KiB
Rust
use std::env;
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use std::process::{Command, exit};
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use std::fs::{create_dir_all, remove_dir_all};
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use std::error::Error;
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use std::path::PathBuf;
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use colored::*;
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use gclone::{git_dir, Cache, Result};
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macro_rules! unwrap {
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($e: expr) => {
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match $e {
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Some(e) => e,
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None => return None,
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}
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}
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}
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fn parse_http_url(input: &str) -> Option<(String, String, String)> {
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let split = input.split("/").collect::<Vec<_>>();
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if split.len() < 3 {
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return None;
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}
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let repo = String::from(split[split.len() - 1]);
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let owner = String::from(split[split.len() - 2]);
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let server = split[2 .. split.len() - 2].join("/");
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Some((server, owner, repo))
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}
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fn parse_ssh_url(input: &str) -> Option<(String, String, String)> {
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let url = unwrap!(input.split("@").nth(1));
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let mut split = url.split(":");
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let server = String::from(unwrap!(split.next()));
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let rest = unwrap!(split.next());
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let mut resplit = rest.split("/");
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let owner = String::from(unwrap!(resplit.next()));
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let repo = String::from(unwrap!(resplit.next()));
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Some((server, owner, repo))
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}
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fn parse_url(input: &str) -> Option<(String, String, String)> {
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if input.starts_with("http") {
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parse_http_url(input)
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} else {
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parse_ssh_url(input)
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}
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}
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fn help() {
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}
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fn main() -> Result<()> {
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let git_dir = git_dir()?;
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// Parse args
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let url = match env::args().nth(1) {
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Some(arg) => arg,
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None => {
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eprintln!("{} {}",
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"error:".bold().red(),
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"gclone expects an argument".bold());
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exit(1);
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},
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};
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if url == "-h" || url == "--help" {
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return Ok(help());
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}
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let (server, owner, repo) = match parse_url(&url) {
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Some(parsed) => parsed,
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None => {
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eprintln!("{} {}",
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"error:".bold().red(),
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"couldn't guess server, owner and repo names from url".bold());
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exit(1);
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},
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};
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// Build path
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let mut path = PathBuf::from(git_dir);
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path.push(&server);
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path.push(&owner);
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path.push(&repo);
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if path.exists() {
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eprintln!("{} {}",
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"error:".red().bold(),
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"the corresponding directory already exists".bold());
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exit(1);
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}
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match create_dir_all(&path) {
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Ok(_) => (),
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Err(e) => {
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eprintln!("{} {} {}",
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"error:".red().bold(),
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"couldn't create the corresponding directory:".bold(),
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e.description());
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remove_dir_all(&path).ok();
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exit(1);
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},
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}
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eprintln!("{} {} {}{}", "info:".bold(), "cloning", url, "...");
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let command = Command::new("git")
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.args(&["clone", &url, &path.display().to_string()])
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.output();
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match command {
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Ok(repo) => repo,
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Err(e) => {
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eprintln!("{} {} {}",
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"error:".bold().red(),
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"couldn't clone repository:".bold(),
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e.description());
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remove_dir_all(&path).ok();
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exit(1);
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},
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};
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eprintln!("{} {}", "info:".bold(), "done!");
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// Append to cache
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let mut cache = Cache::read()?;
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cache.append(path.display().to_string());
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match cache.write() {
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Ok(_) => (),
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Err(e) => {
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eprintln!("{} {} {}",
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"warning:".bold().yellow(),
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"couldn't write cache:".bold(),
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e.description());
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},
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}
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Ok(())
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}
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