read repo_name when opening repos

src/repo/mod.rs

@@ -23,6 +23,8 @@ pub mod profile;
 
 #[derive(Debug, thiserror::Error)]
 pub enum Error {
+    #[error("invalid repo: {0}")]
+    Invalid(String),
     #[error("io error: {0}")]
     Io(PathBuf, io::Error),
     #[error("error while reading directory: {0:?}: {1}")]
@@ -39,6 +41,8 @@ pub enum Error {
 pub struct Repo {
     #[get(kind = "deref")]
     path: PathBuf,
+    #[get(kind = "deref")]
+    name: String,
 }
 
 #[derive(Debug, Clone, Get)]
@@ -55,10 +59,20 @@ pub struct Categories(PathBuf, fs::ReadDir);
 pub struct Ebuilds(PathBuf, fs::ReadDir);
 
 impl Repo {
-    pub fn new<P: AsRef<Path>>(path: P) -> Self {
-        Self {
+    pub fn new<P: AsRef<Path>>(path: P) -> Result<Self, Error> {
+        let name_path = path.as_ref().join("profiles/repo_name");
+        let name = match fs::read_to_string(&name_path) {
+            Ok(repo_name) => repo_name,
+            Err(e) if matches!(e.kind(), io::ErrorKind::NotFound) => {
+                return Err(Error::Invalid("missing repo_name".to_string()));
+            }
+            Err(e) => return Err(Error::Io(name_path, e)),
+        };
+
+        Ok(Self {
             path: path.as_ref().to_path_buf(),
-        }
+            name,
+        })
     }
 
     pub fn categories(&self) -> Result<Categories, Error> {