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|
use crate::util::{self, yn_prompt};
use git2::Repository;
use std::fs;
use std::path::PathBuf;
pub enum Action {
Add { url: String },
Update,
Upgrade { packages: Vec<String> },
Autoremove,
Remove { packages: Vec<String> },
List,
Search { term: String },
Clean { packages: Vec<String> },
Show { package: String },
}
impl Action {
pub fn parse(args: &[String]) -> Result<Self, String> {
let cmd = args.get(1).ok_or("no command provided")?.as_str();
match cmd {
"add" => {
let url = args.get(2).ok_or("add requires <repo>")?.clone();
Ok(Action::Add { url })
}
"update" => Ok(Action::Update),
"upgrade" => {
let packages = args[2..].to_vec();
Ok(Action::Upgrade { packages })
}
"autoremove" => Ok(Action::Autoremove),
"remove" => {
let packages = args[2..].to_vec();
if packages.is_empty() {
Err("remove requires a package".into())
} else {
Ok(Action::Remove { packages })
}
}
"list" => Ok(Action::List),
"search" => {
let term = args.get(2).ok_or("search requires <term>")?.clone();
Ok(Action::Search { term })
}
"clean" => {
let packages = args[2..].to_vec();
Ok(Action::Clean { packages })
}
"show" => {
let package = args.get(2).ok_or("show requires <package>")?.clone();
Ok(Action::Show { package })
}
_ => Err(format!("unknown command {}", cmd)),
}
}
pub fn execute(self) -> Result<(), String> {
match self {
Action::Add { url } => add(url.as_str()),
Action::Update => Ok(update()),
Action::Upgrade { packages } => Ok(upgrade(packages)),
Action::Autoremove => Ok(autoremove()),
Action::Remove { packages } => remove(packages),
Action::List => Ok(list()),
Action::Search { term } => Ok(search(term)),
Action::Clean { packages } => Ok(clean(packages)),
Action::Show { package } => Ok(show(package)),
}
}
}
fn add(url: &str) -> Result<(), String> {
let base_path = "/var/lib/forge";
let repo_name = {
let last_segment = url.rsplit('/').next().unwrap_or(url);
last_segment.strip_suffix(".git").unwrap_or(last_segment)
};
let clone_path = PathBuf::from(base_path).join(repo_name);
let repo = Repository::clone(url, &clone_path)
.map_err(|e| format!("failed to clone {}: {}", repo_name, e))?;
println!(
"new package initialized at: {}",
repo.path().to_str().unwrap()
);
Ok(())
}
fn update() {
println!("updating");
}
fn upgrade(packages: Vec<String>) {
for (_, p) in packages.iter().enumerate() {
println!("upgrading: {}", p);
}
}
fn autoremove() {
println!("autoremoving");
}
fn remove(packages: Vec<String>) -> Result<(), String> {
let base_path = "/var/lib/forge";
println!("checking dependencies...\n");
let package_paths: Vec<(String, PathBuf)> = packages
.into_iter()
.map(|p| {
let path = PathBuf::from(base_path).join(&p);
if !path.exists() {
Err(format!("no installed package: {}", p))
} else {
Ok((p, path))
}
})
.collect::<Result<_, _>>()?; // propagates the first error
println!(
"Packages to remove ({}): {}\n",
package_paths.len(),
package_paths
.iter()
.map(|(p, _)| p.as_str())
.collect::<Vec<_>>()
.join(", ")
);
let total_size: u64 = package_paths
.iter()
.map(|(_, path)| util::dir_size(path).unwrap_or(0))
.sum();
println!(
"Total remove size: {:.2} MB\n",
total_size as f64 / (1024.0 * 1024.0)
);
if yn_prompt("Proceed with removal?") {
for (name, path) in package_paths {
fs::remove_dir_all(&path).map_err(|e| format!("failed to remove {}: {}", name, e))?;
println!("Removed {}", name);
}
}
Ok(())
}
fn list() {
println!("listing");
}
fn search(term: String) {
println!("searching: {}", term);
}
fn clean(packages: Vec<String>) {
for (_, p) in packages.iter().enumerate() {
println!("cleaning: {}", p);
}
}
fn show(package: String) {
println!("showing {}", package);
}
|
