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+dependencies = [ + "proc-macro2", + "quote", + "syn", +] diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..a69f980 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,13 @@ +[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" diff --git a/shell.nix b/shell.nix new file mode 100644 index 0000000..9ada12b --- /dev/null +++ b/shell.nix @@ -0,0 +1,10 @@ +{ pkgs ? import {}, ... }: +pkgs.mkShell { + packages = with pkgs; [ + cargo + clippy + rustc + rust-analyzer + rustfmt + ]; +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..8eade4b --- /dev/null +++ b/src/main.rs @@ -0,0 +1,105 @@ +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 + AsRef> { + path: T, +} + +impl + AsRef> SrcRoot { + 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 { + 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>(&self, slug: S) -> Result> { + 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 { + 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(()) +}