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use serde::{Deserialize, Serialize};
use std::fs;
pub const LOCK_PATH: &str = "/var/db/forge/forge.lock";
#[derive(Deserialize, Serialize, Debug, Clone)]
pub struct Package {
pub name: String,
pub source: String,
pub checksum: String,
}
#[derive(Deserialize, Serialize, Default)]
pub struct Lockfile {
pub package: Vec<Package>,
}
impl Lockfile {
pub fn new() -> Self {
if let Ok(contents) = fs::read_to_string(LOCK_PATH) {
toml::from_str(&contents).unwrap_or_default()
} else {
Lockfile::default()
}
}
pub fn out_of_date(&self, update: Package) -> bool {
if let Some(existing) = self.package.iter().find(|p| p.name == update.name) {
return existing.checksum != update.checksum;
}
true
}
pub fn update_pkg(&mut self, package: Package) -> Result<(), String> {
if let Some(existing) = self.package.iter_mut().find(|p| p.name == package.name) {
*existing = package;
} else {
self.package.push(package);
}
let toml_string = toml::to_string_pretty(&self)
.map_err(|e| format!("failed to serialize lockfile: {e}"))?;
fs::write(LOCK_PATH, toml_string).map_err(|e| format!("failed to write to lockfile: {e}"))
}
}
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