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mod config;
mod utils;
use std::{
borrow::Cow,
env,
fs::File,
io::Read,
path::{Path, PathBuf},
result::Result
};
use clap::*;
use git2::{build::CheckoutBuilder, Direction, Repository};
use config::*;
fn main() {
let matches = App::new(crate_name!())
.version(crate_version!())
.author(crate_authors!())
.about(crate_description!())
.arg(Arg::with_name("config")
.short("c")
.long("config")
.value_name("FILE")
.help("Sets a custom config file")
.takes_value(true))
.get_matches();
let config = get_config(matches.value_of("config"));
let projects = match &config.projects {
Some(p) => p,
_ => return,
};
for project in projects {
let mut path = PathBuf::new();
path.push(Path::new(
project.path.as_ref().unwrap_or(&config.default_path),
));
match &project.name {
Some(name) => path.push(name),
None => path.push(utils::get_repo_name(&project.url))
};
if path.exists() {
if let Err(e) = update(&path) {
eprintln!("Error updating repository {:?}; {}", &path, e);
}
continue;
}
if let Err(e) = init(&path, &project) {
eprintln!("Error initializing repository {:?}; {}", &path, e);
}
}
}
fn get_config(config: Option<&str>) -> Config {
let config_path = match config
{
Some(c) => Cow::Borrowed(c),
None => match env::var("GIT_MIRROR_CONFIG") {
Ok(c) => Cow::Owned(c),
_ => panic!("GIT_MIRROR_CONFIG isn't set."),
}
};
let s: &str = &config_path;
let mut config_file = match File::open(Path::new(s)) {
Ok(c) => c,
_ => panic!("Error opening config file."),
};
let mut buf = String::new();
if config_file.read_to_string(&mut buf).is_err() {
panic!("Error reading config file.")
}
match toml::from_str(&buf) {
Ok(c) => c,
Err(e) => panic!("Error parsing config file. {}", e),
}
}
fn init(path: &Path, project: &ProjectConfig) -> Result<(), git2::Error> {
let _repo = Repository::clone(&project.url, path)?;
Ok(())
}
fn update(path: &Path) -> Result<(), git2::Error> {
let repo = Repository::open(&path)?;
// Fetch remote
let mut remote = repo.find_remote("origin")?;
remote.connect(Direction::Fetch)?;
let branch_buf = remote.default_branch()?;
let branch = branch_buf.as_str().unwrap();
remote.fetch(&[branch], None, None)?;
let fetch_head = repo.find_reference("FETCH_HEAD")?;
let com = repo.reference_to_annotated_commit(&fetch_head)?;
let mut branch_ref = repo.find_reference(&branch)?;
branch_ref.set_target(com.id(), "IDK")?;
repo.set_head(&branch)?;
repo.checkout_head(Some(CheckoutBuilder::default().force()))?;
Ok(())
}
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