cargo/src/cargo/util/vcs.rs

116 lines
3.0 KiB
Rust

use crate::util::paths;
use crate::util::CargoResult;
use cargo_util::ProcessBuilder;
use std::path::Path;
// Check if we are in an existing repo. We define that to be true if either:
//
// 1. We are in a git repo and the path to the new package is not an ignored
// path in that repo.
// 2. We are in an HG repo.
pub fn existing_vcs_repo(path: &Path, cwd: &Path) -> bool {
fn in_git_repo(path: &Path, cwd: &Path) -> bool {
if let Ok(repo) = GitRepo::discover(path, cwd) {
// Don't check if the working directory itself is ignored.
if repo.workdir().map_or(false, |workdir| workdir == path) {
true
} else {
!repo.is_path_ignored(path).unwrap_or(false)
}
} else {
false
}
}
in_git_repo(path, cwd) || HgRepo::discover(path, cwd).is_ok()
}
pub struct HgRepo;
pub struct GitRepo;
pub struct PijulRepo;
pub struct FossilRepo;
impl GitRepo {
pub fn init(path: &Path, _: &Path) -> CargoResult<GitRepo> {
git2::Repository::init(path)?;
Ok(GitRepo)
}
pub fn discover(path: &Path, _: &Path) -> Result<git2::Repository, git2::Error> {
git2::Repository::discover(path)
}
}
impl HgRepo {
pub fn init(path: &Path, cwd: &Path) -> CargoResult<HgRepo> {
ProcessBuilder::new("hg")
.cwd(cwd)
.arg("init")
.arg(path)
.exec()?;
Ok(HgRepo)
}
pub fn discover(path: &Path, cwd: &Path) -> CargoResult<HgRepo> {
ProcessBuilder::new("hg")
.cwd(cwd)
.arg("--cwd")
.arg(path)
.arg("root")
.exec_with_output()?;
Ok(HgRepo)
}
}
impl PijulRepo {
pub fn init(path: &Path, cwd: &Path) -> CargoResult<PijulRepo> {
ProcessBuilder::new("pijul")
.cwd(cwd)
.arg("init")
.arg(path)
.exec()?;
Ok(PijulRepo)
}
}
impl FossilRepo {
pub fn init(path: &Path, cwd: &Path) -> CargoResult<FossilRepo> {
// fossil doesn't create the directory so we'll do that first
paths::create_dir_all(path)?;
// set up the paths we'll use
let db_fname = ".fossil";
let mut db_path = path.to_owned();
db_path.push(db_fname);
// then create the fossil DB in that location
ProcessBuilder::new("fossil")
.cwd(cwd)
.arg("init")
.arg(&db_path)
.exec()?;
// open it in that new directory
ProcessBuilder::new("fossil")
.cwd(&path)
.arg("open")
.arg(db_fname)
.exec()?;
// set `target` as ignoreable and cleanable
ProcessBuilder::new("fossil")
.cwd(cwd)
.arg("settings")
.arg("ignore-glob")
.arg("target")
.exec()?;
ProcessBuilder::new("fossil")
.cwd(cwd)
.arg("settings")
.arg("clean-glob")
.arg("target")
.exec()?;
Ok(FossilRepo)
}
}