nessa/algorithms/
git.rs

1use std::path::Path;
2
3use git2::build::RepoBuilder;
4use regex::Regex;
5
6use crate::config::CONFIG;
7
8const NAME_REGEX: &str = r"^[a-zA-Z0-9_ -]+$";
9
10pub fn install_repo(repo_url: &str, pack_name: &str) -> Result<(), String> {
11    let name_regex = Regex::new(NAME_REGEX).unwrap();
12
13    if !name_regex.is_match(pack_name) {
14        return Err("Pack name contains invalid characters".to_string());
15    }
16
17    let path = Path::new(&CONFIG.write().unwrap().modules_path).join(pack_name);
18
19    if path.exists() {
20        return Err(format!("pack name \"{}\" is already taken", pack_name));
21    }
22
23    match RepoBuilder::new().clone(repo_url, &path) {
24        Ok(_) => Ok(()),
25        Err(_) => {
26            Err(format!("Unable to download library pack from {}", repo_url))
27        },
28    }
29}
30
31pub fn uninstall_repo(pack_name: &str) -> Result<(), String> {
32    let name_regex = Regex::new(NAME_REGEX).unwrap();
33
34    if !name_regex.is_match(pack_name) {
35        return Err("Pack name contains invalid characters".to_string());
36    }
37
38    let path = Path::new(&CONFIG.write().unwrap().modules_path).join(pack_name);
39
40    if !path.exists() {
41        return Err(format!("Pack \"{}\" is not installed", pack_name));
42    }
43
44    // Sanity check
45    let path_git = path.join(".git");
46
47    if !path_git.exists() {
48        return Err(format!("Pack \"{}\" is not a git repository (maybe your configuration is wrong?)", pack_name));
49    }
50
51    std::fs::remove_dir_all(path).unwrap();
52
53    Ok(())
54}
55
56/*
57    Standard libraries
58*/
59
60pub fn install_prelude() -> Result<(), String> {
61    const PRELUDE_URL: &str = "https://github.com/Gabie-of-the-Bo/Nessa-prelude.git";
62
63    install_repo(PRELUDE_URL, "prelude")
64}
nessa/algorithms/git.rs

nessa/algorithms/
git.rs
