don't double-derive ::bok::Repository and Debug

Signed-off-by: Luca Fulchir <luca.fulchir@runesauth.com>

bok-macro/Cargo.toml

@@ -13,7 +13,7 @@ categories = [ "config" ]
 proc-macro = true
 
 [dependencies]
-syn = { version = "2.0", features = [ "full" ] }
+syn = { version = "2.0", features = [ "full", "extra-traits" ] }
 quote = { version = "1.0" }
 proc-macro2 = "1.0"
 macro_magic = { version = "0.5", features = [ "proc_support" ] }

bok-macro/src/repos.rs

@@ -102,17 +102,43 @@ pub(crate) fn repository(
     };
 
     let local_attrs = local.attrs.iter().filter(|&x| {
-        // don't export the same thing multiple times
-        if let ::syn::Meta::Path(p) = &x.meta {
+        match &x.meta {
+            ::syn::Meta::Path(p) => {
+                // looking for:
+                // #[::macro_magic::export_tokens]
                 if p.segments.len() == 2
                     && p.segments[0].ident == "macro_magic"
                     && p.segments[1].ident == "export_tokens"
+                {
+                    false
+                } else {
+                    true
+                }
+            }
+            ::syn::Meta::List(ml) => {
+                // looking for:
+                // #[derive(::bok::Repository, Debug)]
+                if ml.path.segments.len() > 0 && ml.path.is_ident("derive") {
+                    use ::syn::{punctuated::Punctuated, *};
+                    if let Ok(v) = ml.parse_args_with(
+                        Punctuated::<::syn::Path, Token![,]>::parse_terminated,
+                    ) {
+                        if v.len() == 2
+                            && v[0].segments.len() == 2
+                            && v[0].segments[0].ident.to_string() == "bok"
+                            && v[0].segments[1].ident.to_string()
+                                == "Repository"
+                            && v[1].segments.len() == 1
+                            && v[1].segments[0].ident.to_string() == "Debug"
                         {
                             return false;
                         }
-            return true;
-        };
+                    }
+                }
                 true
+            }
+            _ => true,
+        }
     });
     let generics = local.generics;
     let ident = local.ident;
@@ -134,7 +160,6 @@ pub(crate) fn repository(
         .named
         .iter()
         .find(|&x| {
-            //
             let Some(id) = &x.ident else {
                 return false;
             };

bok-utils/Cargo.toml

@@ -17,5 +17,5 @@ macro_magic = { version = "0.5" }
 prettyplease = "0.2"
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = { version = "2", features = [ "full", "parsing" ] }
+syn = { version = "2", features = [ "full", "parsing", "extra-traits" ] }
 sha3 = { version = "0.10" }

bok-utils/src/pkgs/mod.rs

@@ -73,7 +73,7 @@ impl Pkgs2 {
     }
 }
 /// This repository extends both Pkgs1 and Pkgs2
-#[::bok::repository(Pkgs1)]
 #[::bok::repository(Pkgs2)]
+#[::bok::repository(Pkgs1)]
 #[derive(::std::default::Default)]
 pub struct Pkgs3 {}