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use std::fs::File;
use std::io;
use std::path::{Path, PathBuf};
#[cfg(unix)]
use std::ptr;
use tempfile::TempDir;
use url::Url;
use crate::{Branch, Oid, Repository, RepositoryInitOptions};
macro_rules! t {
($e:expr) => {
match $e {
Ok(e) => e,
Err(e) => panic!("{} failed with {}", stringify!($e), e),
}
};
}
pub fn repo_init() -> (TempDir, Repository) {
let td = TempDir::new().unwrap();
let mut opts = RepositoryInitOptions::new();
opts.initial_head("main");
let repo = Repository::init_opts(td.path(), &opts).unwrap();
{
let mut config = repo.config().unwrap();
config.set_str("user.name", "name").unwrap();
config.set_str("user.email", "email").unwrap();
let mut index = repo.index().unwrap();
let id = index.write_tree().unwrap();
let tree = repo.find_tree(id).unwrap();
let sig = repo.signature().unwrap();
repo.commit(Some("HEAD"), &sig, &sig, "initial\n\nbody", &tree, &[])
.unwrap();
}
(td, repo)
}
pub fn commit(repo: &Repository) -> (Oid, Oid) {
let mut index = t!(repo.index());
let root = repo.path().parent().unwrap();
t!(File::create(&root.join("foo")));
t!(index.add_path(Path::new("foo")));
let tree_id = t!(index.write_tree());
let tree = t!(repo.find_tree(tree_id));
let sig = t!(repo.signature());
let head_id = t!(repo.refname_to_id("HEAD"));
let parent = t!(repo.find_commit(head_id));
let commit = t!(repo.commit(Some("HEAD"), &sig, &sig, "commit", &tree, &[&parent]));
(commit, tree_id)
}
pub fn path2url(path: &Path) -> String {
Url::from_file_path(path).unwrap().to_string()
}
pub fn worktrees_env_init(repo: &Repository) -> (TempDir, Branch<'_>) {
let oid = repo.head().unwrap().target().unwrap();
let commit = repo.find_commit(oid).unwrap();
let branch = repo.branch("wt-branch", &commit, true).unwrap();
let wtdir = TempDir::new().unwrap();
(wtdir, branch)
}
#[cfg(windows)]
pub fn realpath(original: &Path) -> io::Result<PathBuf> {
Ok(original.to_path_buf())
}
#[cfg(unix)]
pub fn realpath(original: &Path) -> io::Result<PathBuf> {
use libc::c_char;
use std::ffi::{CStr, CString, OsString};
use std::os::unix::prelude::*;
extern "C" {
fn realpath(name: *const c_char, resolved: *mut c_char) -> *mut c_char;
}
unsafe {
let cstr = CString::new(original.as_os_str().as_bytes())?;
let ptr = realpath(cstr.as_ptr(), ptr::null_mut());
if ptr.is_null() {
return Err(io::Error::last_os_error());
}
let bytes = CStr::from_ptr(ptr).to_bytes().to_vec();
libc::free(ptr as *mut _);
Ok(PathBuf::from(OsString::from_vec(bytes)))
}
}
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