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|
use crate::{
parser::{GitReceivePackArgs, GitUploadPackArgs},
ShackleError,
};
use git2::{Repository, RepositoryInitMode, RepositoryInitOptions};
use std::{fs, path::PathBuf, process::Command};
use user_info::{get_user_groups, get_username};
pub struct GitInitResult {
pub path: PathBuf,
}
fn git_dir_prefix() -> PathBuf {
PathBuf::from("git")
}
fn personal_git_dir() -> Result<PathBuf, ShackleError> {
let username = get_username().ok_or(ShackleError::UserReadError)?;
Ok(git_dir_prefix().join(username))
}
fn group_git_dir(group: &str) -> Result<PathBuf, ShackleError> {
let groups = get_user_groups();
if !groups.iter().any(|g| g == group) {
Err(ShackleError::InvalidGroup)
} else {
Ok(git_dir_prefix().join(group))
}
}
fn is_valid_git_repo_path(path: &PathBuf) -> Result<bool, ShackleError> {
let prefix = git_dir_prefix();
let relative_path = match path.strip_prefix(&prefix) {
Ok(relative_path) => relative_path,
Err(_) => {
return Ok(false);
}
};
let mut it = relative_path.iter();
let group = it.next();
let repo_name = it.next();
let end = it.next();
match (group, repo_name, end) {
(_, _, Some(_)) | (None, _, _) | (_, None, _) => Ok(false),
(Some(group_name), Some(_repo_name), _) => {
if relative_path.extension().map(|ext| ext == "git") != Some(true) {
Ok(false)
} else {
let group_name = group_name.to_string_lossy();
let user_name = get_username();
let is_valid_personal_repo_path = user_name
.map(|user_name| user_name == group_name)
.unwrap_or(false);
let user_groups = get_user_groups();
let is_valid_shared_repo_path =
user_groups.iter().any(|group| group.as_ref() == group_name);
Ok(is_valid_personal_repo_path || is_valid_shared_repo_path)
}
}
}
}
pub fn init(repo_name: &str, group: &Option<String>) -> Result<GitInitResult, ShackleError> {
fn init_group(repo_name: &str, group: &str) -> Result<GitInitResult, ShackleError> {
let path = group_git_dir(group)?.join(repo_name).with_extension("git");
Repository::init_opts(
&path,
&RepositoryInitOptions::new()
.bare(true)
.mode(RepositoryInitMode::SHARED_GROUP)
.mkdir(true)
.no_reinit(true),
)?;
Ok(GitInitResult { path })
}
fn init_personal(repo_name: &str) -> Result<GitInitResult, ShackleError> {
let path = personal_git_dir()?.join(repo_name).with_extension("git");
Repository::init_opts(
&path,
&RepositoryInitOptions::new()
.bare(true)
.mkdir(true)
.no_reinit(true),
)?;
Ok(GitInitResult { path })
}
match group {
Some(group) => init_group(repo_name, group),
None => init_personal(repo_name),
}
}
pub struct RepoMetadata {
pub path: PathBuf,
pub description: String,
}
pub fn list() -> Result<Vec<RepoMetadata>, ShackleError> {
fn add_from_dir(
collection_dir: &PathBuf,
is_checking_group: bool,
) -> Result<Vec<RepoMetadata>, ShackleError> {
let mut results = Vec::new();
if !collection_dir.is_dir() {
return Ok(results);
}
for dir in collection_dir.read_dir()? {
let path = dir?.path();
let description_path = path.join("description");
let has_git_ext = path.extension().map_or(false, |ext| ext == "git");
if has_git_ext {
if let Ok(repo) = Repository::open_bare(&path) {
let config = repo.config()?.snapshot()?;
let shared_config = config.get_str("core.sharedRepository").ok(); // TODO: Could shis fail for other reasons?
let is_group_shared =
[Some("group"), Some("1"), Some("true")].contains(&shared_config);
if is_group_shared == is_checking_group {
let description = if description_path.is_file() {
fs::read_to_string(description_path)?
} else {
String::new()
};
results.push(RepoMetadata { path, description });
}
}
}
}
Ok(results)
}
let mut results = Vec::new();
results.append(&mut add_from_dir(&personal_git_dir()?, false)?);
// TODO: Do the same (more or less) for group repos
Ok(results)
}
pub fn upload_pack(upload_pack_args: &GitUploadPackArgs) -> Result<(), ShackleError> {
if !is_valid_git_repo_path(&upload_pack_args.directory)? {
return Err(ShackleError::InvalidDirectory);
}
let mut command = Command::new("git-upload-pack");
if upload_pack_args.strict {
command.arg("strict");
}
if upload_pack_args.no_strict {
command.arg("no-strict");
}
if let Some(timeout) = upload_pack_args.timeout {
command.args(["timeout", &timeout.to_string()]);
}
if upload_pack_args.stateless_rpc {
command.arg("stateless-rpc");
}
if upload_pack_args.advertise_refs {
command.arg("advertise-refs");
}
command.arg(&upload_pack_args.directory);
command.spawn()?.wait()?;
Ok(())
}
pub fn receive_pack(receive_pack_args: &GitReceivePackArgs) -> Result<(), ShackleError> {
if !is_valid_git_repo_path(&receive_pack_args.directory)? {
return Err(ShackleError::InvalidDirectory);
}
let mut command = Command::new("git-receive-pack");
if receive_pack_args.http_backend_info_refs {
command.arg("--http-backend-info-refs");
}
command.arg(&receive_pack_args.directory);
command.spawn()?.wait()?;
Ok(())
}
|
