Update serde_derive_internals to 0.26.0 (#16)

Author: msrd0

.github/workflows/rust.yml

@@ -20,8 +20,6 @@ jobs:
     continue-on-error: ${{ matrix.nightly }}
     steps:
       - uses: actions/checkout@v2
-        with:
-          submodules: recursive
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
@@ -43,8 +41,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-        with:
-          submodules: recursive
       - uses: dtolnay/[email protected]
       - uses: actions/cache@v2
         with:
@@ -60,8 +56,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-        with:
-          submodules: recursive
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
@@ -81,8 +75,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-        with:
-          submodules: recursive
       - uses: dtolnay/rust-toolchain@nightly
         with:
           components: rustfmt
@@ -93,8 +85,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-        with:
-          submodules: recursive
       - uses: docker://ghcr.io/msrd0/cargo-doc2readme
         with:
           entrypoint: ./readme.sh
@@ -104,8 +94,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-        with:
-          submodules: recursive
       - uses: dtolnay/rust-toolchain@stable
       - name: Get Rust Version
         id: rust-version
@@ -149,8 +137,6 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
-        with:
-          submodules: recursive
       - uses: dtolnay/rust-toolchain@stable
       - uses: actions/cache@v2
         with:

.gitmodules

@@ -16,4 +16,5 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "1.0"
 quote = "1.0"
+serde_derive_internals = "0.26"
 syn = "1.0"

derive/Cargo.toml

@@ -8,10 +8,6 @@ use proc_macro2::TokenStream as TokenStream2;
 use quote::quote;
 use syn::{parse_macro_input, Data, DeriveInput, LitStr, TraitBound, TraitBoundModifier, TypeParamBound};
 
-// unfortunately, the serde_derive_internals crate does not make
-// `case::RenameRule` available
-mod serde_derive_internals;
-
 #[macro_use]
 mod util;
 

derive/src/lib.rs

@@ -1,9 +1,9 @@
 use crate::{
 	attrs::{parse_doc_attr, ContainerAttributes, FieldAttributes},
-	serde_derive_internals::case::RenameRule,
 	util::ToLitStr
 };
 use proc_macro2::{Ident, Span};
+use serde_derive_internals::attr::RenameRule;
 use syn::{
 	punctuated::Punctuated, spanned::Spanned as _, AngleBracketedGenericArguments, DataEnum, DataStruct, DataUnion, Fields,
 	FieldsNamed, GenericArgument, LitStr, PathArguments, Type, TypePath
@@ -71,9 +71,7 @@ fn parse_named_fields(named_fields: &FieldsNamed, rename_all: Option<&LitStr>) -
 		if let Some(rename) = attrs.rename {
 			name = rename;
 		} else if let Some(rename_all) = rename_all {
-			let rule: RenameRule = rename_all
-				.value()
-				.parse()
+			let rule = RenameRule::from_str(&rename_all.value())
 				.map_err(|_| syn::Error::new(rename_all.span(), "Unknown rename_all rule"))?;
 			let rename = rule.apply_to_field(&name.value());
 			name = LitStr::new(&rename, name.span());