68 lines
1.7 KiB
Rust
68 lines
1.7 KiB
Rust
use std::collections::HashSet;
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use std::fs::File;
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use std::hash::Hash;
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use std::io::{BufRead, BufReader};
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use anyhow::{anyhow, Context, Result};
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use crate::Package;
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#[derive(Debug)]
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pub struct Group {
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pub name: String,
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pub packages: HashSet<Package>,
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}
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impl Group {
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pub fn load_from_dir() -> Result<HashSet<Self>> {
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let mut result = HashSet::new();
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let path = crate::path::get_pacdef_group_dir().context("getting pacdef group dir")?;
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for entry in path.read_dir().context("reading group dir")? {
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let file = entry.context("getting a file")?;
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let name = file.file_name();
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let f = File::open(file.path()).context("reading the file")?;
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let reader = BufReader::new(f);
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let packages = Package::from_lines(reader.lines());
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result.insert(Group {
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name: name
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.into_string()
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.map_err(|e| anyhow!("could not get group name, {e:?}"))?,
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packages,
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});
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}
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Ok(result)
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}
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}
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impl PartialOrd for Group {
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fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
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match self.name.partial_cmp(&other.name) {
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Some(core::cmp::Ordering::Equal) => None,
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ord => ord,
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}
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}
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}
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impl Ord for Group {
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fn cmp(&self, other: &Self) -> std::cmp::Ordering {
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self.name.cmp(&other.name)
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}
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}
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impl Hash for Group {
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fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
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self.name.hash(state);
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}
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}
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impl PartialEq for Group {
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fn eq(&self, other: &Self) -> bool {
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self.name == other.name && self.packages == other.packages
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}
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}
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impl Eq for Group {
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fn assert_receiver_is_total_eq(&self) {}
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}
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