parse arch.list

src/repo/mod.rs

@@ -19,6 +19,7 @@ use crate::{
 };
 
 pub mod ebuild;
+mod parsers;
 pub mod profile;
 
 #[derive(Debug, thiserror::Error)]
@@ -37,6 +38,9 @@ pub enum Error {
     Profile(profile::Error),
 }
 
+#[derive(Debug, Clone, PartialEq, Eq, Get)]
+pub struct Arch(#[get(method = "get", kind = "deref")] String);
+
 #[derive(Debug, Clone, Get)]
 pub struct Repo {
     #[get(kind = "deref")]
@@ -45,6 +49,8 @@ pub struct Repo {
     name: String,
     #[get(kind = "deref")]
     package_mask: Vec<Atom>,
+    #[get(kind = "deref")]
+    arch_list: Vec<Arch>,
 }
 
 #[derive(Debug, Clone, Get)]
@@ -80,10 +86,19 @@ impl Repo {
                 Err(e) => return Err(Error::Io(package_mask_path, e)),
             };
 
+        let arch_list_path = path.as_ref().join("profiles/arch.list");
+        let arch_list = match fs::read_to_string(&arch_list_path).map(|s| read_arch_list(&s)) {
+            Ok(Ok(arch_list)) => arch_list,
+            Ok(Err(e)) => return Err(e),
+            Err(e) if matches!(e.kind(), io::ErrorKind::NotFound) => Vec::new(),
+            Err(e) => return Err(Error::Io(arch_list_path, e)),
+        };
+
         Ok(Self {
             path: path.as_ref().to_path_buf(),
             name,
             package_mask,
+            arch_list,
         })
     }
 
@@ -366,6 +381,20 @@ fn read_package_mask(input: &str) -> Result<Vec<Atom>, Error> {
         .collect())
 }
 
+fn read_arch_list(input: &str) -> Result<Vec<Arch>, Error> {
+    Ok(LineBasedFileExpr::<Arch>::parser()
+        .separated_by_with_opt_trailing(ascii_whitespace1())
+        .many()
+        .parse_finished(InputIter::new(input))
+        .map_err(|it| Error::Parser(it.rest().to_string()))?
+        .into_iter()
+        .filter_map(|expr| match expr {
+            LineBasedFileExpr::Comment => None,
+            LineBasedFileExpr::Expr(arch) => Some(arch),
+        })
+        .collect())
+}
+
 fn parse_depends(line: &str) -> Result<Vec<Depend<Atom>>, Error> {
     Depend::<Atom>::parser()
         .separated_by(ascii_whitespace1())