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use crate::utilities::{path_should_exist, path_should_not_exist, ConfigHashMap};
use crate::{create_path_or_die, die};
use configparser::ini::Ini;
use ini::ini;
use std::collections::HashMap;
use std::io::Write;
use std::path::PathBuf;
pub struct GitRepository {
pub worktree: PathBuf,
gitdir: PathBuf,
conf: HashMap<String, HashMap<String, Option<String>>>
}
impl GitRepository {
pub fn new(worktree: PathBuf) -> Self {
let gitdir = worktree.join(".git");
let conf: ConfigHashMap = HashMap::new();
Self { worktree, gitdir, conf }
}
pub fn from_dir(worktree: PathBuf) -> Self {
path_should_exist(&worktree, "Worktree does not exist");
let gitdir = worktree.join(".git");
path_should_exist(&gitdir, "Not a valid git repository");
let conf_file = gitdir.join("config");
path_should_exist(&conf_file, "Configuration file not found");
let conf = ini!(conf_file.to_str().unwrap());
let repo_format_version = conf["core"]["repositoryformatversion"].clone();
if let Some(version) = repo_format_version {
if version != "0" {
die!("Unsupported format version");
}
} else {
die!("Could not determine repository format version");
}
Self {
worktree,
gitdir,
conf
}
}
pub fn create_new_repo(worktree: PathBuf) {
let repo = GitRepository::new(worktree);
path_should_not_exist(&repo.gitdir, "Already a git repository");
if !repo.worktree.exists() {
create_path_or_die!(dir: repo.worktree.clone(), "Could not create worktree");
}
create_path_or_die!(dir: repo.gitdir.clone(), "Failed to initialize repository");
create_path_or_die!(dir: repo.gitdir.clone().join("objects"), "Failed to create objects directory");
create_path_or_die!(dir: repo.gitdir.clone().join("refs"), "Failed to create refs directory");
create_path_or_die!(dir: repo.gitdir.clone().join("refs").join("heads"), "Failed to create git refs/head directory");
create_path_or_die!(dir: repo.gitdir.clone().join("refs").join("tags"), "Failed to create git refs/tags directory");
create_path_or_die!(file: repo.gitdir.clone().join("HEAD"), &"ref: refs/heads/master\n", "Failed to write HEAD file");
create_path_or_die!(
file: repo.gitdir.clone().join("HEAD"),
"ref: refs/heads/master\n",
"Failed to write description file");
let mut config = Ini::new();
config.set("core", "repositoryformatversion", Some("0".to_owned()));
config.set("core", "filemode", Some("false".to_owned()));
config.set("core", "bare", Some("false".to_owned()));
if let Err(_) = config.write(repo.gitdir.join("config")) {
die!("Failed to write config file");
}
println!("Git repository initialized in {}", repo.worktree.display());
}
}
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