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|
use std::{
collections::HashMap,
fs::{self, File},
io::{self, Read},
path::{Path, PathBuf},
};
use get::Get;
use itertools::Itertools;
use crate::{atom::Atom, useflag::UseFlag};
mod make_defaults;
mod package;
mod package_use;
mod packages;
mod parsers;
mod useflags;
#[derive(Debug, Clone)]
enum LineBasedFileExpr<T> {
Comment,
Expr(T),
}
#[derive(Debug, Clone)]
enum FlagOperation {
Add(UseFlag),
Remove(UseFlag),
}
#[derive(Debug, thiserror::Error)]
pub enum Error {
#[error("{0}: io error: {1}")]
Io(PathBuf, io::Error),
#[error("error evaluating make.defaults settings: {0}")]
MakeDefaults(#[from] make_defaults::Error),
#[error("error evaluating packages settings: {0}")]
Packages(#[from] packages::Error),
#[error("error evaluating package settings: {0}")]
Package(#[from] package::Error),
#[error("error evaluating package.use settings: {0}")]
PackageUse(#[from] package_use::Error),
#[error("error evaluating use settings: {0}")]
Use(#[from] useflags::Error),
}
#[derive(Debug, Clone, Get)]
pub struct Profile {
#[get(kind = "deref")]
path: PathBuf,
#[get(kind = "deref")]
parents: Vec<Profile>,
make_defaults: HashMap<String, String>,
#[get(kind = "deref")]
packages: Vec<Atom>,
#[get(kind = "deref")]
package_mask: Vec<Atom>,
#[get(kind = "deref")]
package_provided: Vec<Atom>,
package_use: HashMap<Atom, Vec<UseFlag>>,
package_use_force: HashMap<Atom, Vec<UseFlag>>,
package_use_mask: HashMap<Atom, Vec<UseFlag>>,
package_use_stable_force: HashMap<Atom, Vec<UseFlag>>,
package_use_stable_mask: HashMap<Atom, Vec<UseFlag>>,
#[get(kind = "deref")]
use_force: Vec<UseFlag>,
#[get(kind = "deref")]
use_mask: Vec<UseFlag>,
#[get(kind = "deref")]
use_stable_force: Vec<UseFlag>,
#[get(kind = "deref")]
use_stable_mask: Vec<UseFlag>,
}
impl Profile {
pub(super) fn evaluate<P: AsRef<Path>>(path: P) -> Result<Self, Error> {
let parents_path = path.as_ref().join("parent");
let parents = match fs::read_to_string(&parents_path) {
Ok(parents) => parents
.lines()
.map(|line| path.as_ref().join(line))
.map(Profile::evaluate)
.collect::<Result<_, _>>()?,
Err(e) if matches!(e.kind(), io::ErrorKind::NotFound) => Vec::new(),
Err(e) => return Err(Error::Io(parents_path, e)),
};
let make_defaults = make_defaults::evaluate(&parents, &path)?;
let packages = packages::evaluate(&parents, &path)?;
let package_mask = package::evaluate(&parents, package::Kind::Mask, &path)?;
let package_provided = package::evaluate(&parents, package::Kind::Provided, &path)?;
let package_use = package_use::evaluate(&parents, package_use::Kind::Use, &path)?;
let package_use_force = package_use::evaluate(&parents, package_use::Kind::Force, &path)?;
let package_use_mask = package_use::evaluate(&parents, package_use::Kind::Mask, &path)?;
let package_use_stable_force =
package_use::evaluate(&parents, package_use::Kind::StableForce, &path)?;
let package_use_stable_mask =
package_use::evaluate(&parents, package_use::Kind::StableMask, &path)?;
let use_force = useflags::evaluate(&parents, useflags::Kind::Force, &path)?;
let use_mask = useflags::evaluate(&parents, useflags::Kind::Mask, &path)?;
let use_stable_force = useflags::evaluate(&parents, useflags::Kind::StableForce, &path)?;
let use_stable_mask = useflags::evaluate(&parents, useflags::Kind::StableMask, &path)?;
Ok(Self {
path: path.as_ref().to_path_buf(),
parents,
make_defaults,
packages,
package_mask,
package_provided,
package_use,
package_use_force,
package_use_mask,
package_use_stable_force,
package_use_stable_mask,
use_force,
use_mask,
use_stable_force,
use_stable_mask,
})
}
}
fn read_config_files<P: AsRef<Path>>(path: P) -> Result<String, io::Error> {
let metadata = fs::metadata(&path)?;
if metadata.is_file() {
fs::read_to_string(&path)
} else if metadata.is_dir() {
let mut buffer = String::new();
let paths = fs::read_dir(&path)?
.collect::<Result<Vec<_>, _>>()?
.into_iter()
.map(|entry| entry.path())
.filter(|path| path.starts_with("."))
.sorted()
.collect::<Vec<_>>();
for path in &paths {
let mut file = File::open(path)?;
file.read_to_string(&mut buffer)?;
}
Ok(buffer)
} else {
let path = fs::canonicalize(&path)?;
read_config_files(path)
}
}
|
