dadada/repo-rs
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feat: add repo tool

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This commit is contained in:
Tim Schubert 2025-08-09 18:35:56 +02:00
commit 9b0f298bdc
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.gitignore vendored Normal file
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/target

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Cargo.toml Normal file
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[package]
name = "repo-rs"
version = "0.1.0"
edition = "2024"
[[bin]]
name = "repo"
path = "src/main.rs"
[dependencies]
anyhow = "1.0.98"
url = "2.5.4"
walkdir = "2.5.0"

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shell.nix Normal file
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{ pkgs ? import <nixpkgs> {}, ... }:
pkgs.mkShell {
packages = with pkgs; [
cargo
clippy
rustc
rust-analyzer
rustfmt
];
}

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src/main.rs Normal file
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use std::{
env::{args, current_dir, home_dir, var},
ffi::{OsStr, OsString},
fs::create_dir_all,
path::{Path, PathBuf},
process::Command,
};
use anyhow::{Context, Result};
use url::Url;
use walkdir::WalkDir;
const MAX_DEPTH: usize = 5;
struct SrcRoot<T: AsRef<Path> + AsRef<OsStr>> {
path: T,
}
impl<T: AsRef<Path> + AsRef<OsStr>> SrcRoot<T> {
fn clone_repo(&self, url: &Url) -> Result<()> {
let url = OsString::from(url.as_ref());
Command::new("git")
.args([
OsString::from("clone").as_os_str(),
url.as_os_str(),
self.path.as_ref(),
])
.status()?;
Ok(())
}
fn as_repo_path(&self, url: &Url) -> PathBuf {
let mut dir = PathBuf::new();
dir.push::<&Path>(self.path.as_ref());
dir.push(url.host_str().unwrap_or("misc"));
url.path_segments()
.into_iter()
.flatten()
.filter(|s| !s.is_empty())
.for_each(|s| dir.push(s.trim_end_matches(".git")));
dir
}
fn ensure_repo_checkout(&self, url: &Url) -> Result<PathBuf> {
let repo_path = self.as_repo_path(url);
if !repo_path.is_dir() || repo_path.read_dir()?.count() == 0 {
create_dir_all(&repo_path)?;
self.clone_repo(url)?;
}
Ok(repo_path)
}
fn search_repo<S: AsRef<OsStr>>(&self, slug: S) -> Result<Option<PathBuf>> {
let walker = WalkDir::new(&self.path)
.follow_links(false)
.max_depth(MAX_DEPTH)
.follow_root_links(false)
.max_open(1)
.sort_by_file_name()
.contents_first(false)
.same_file_system(true);
for path in walker {
let p = path?;
let git = {
let mut g = p.clone().into_path();
g.push(".git");
g
};
if let Some(file_name) = p.path().file_name() {
if file_name == slug.as_ref() && git.is_dir() {
return Ok(Some(p.into_path()));
}
}
}
Ok(None)
}
fn new(path: T) -> Self {
Self { path }
}
}
fn src_root() -> Result<PathBuf> {
if let Ok(src_root) = var("REPO_SRC_ROOT").map(PathBuf::from) {
Ok(src_root)
} else {
let mut src_root = home_dir().unwrap_or(current_dir()?);
src_root.push("git");
Ok(src_root)
}
}
fn main() -> Result<()> {
let arg = args().next_back().context("Missing URL / name")?;
let src_root = src_root()?;
let src_root = SrcRoot::new(src_root);
let path = if let Ok(url) = Url::parse(&arg) {
src_root.ensure_repo_checkout(&url)
} else {
let slug: OsString = arg.into();
src_root.search_repo(slug)?.context("Repo not found")
}?;
println!("{}", path.display());
Ok(())
}