.github/workflows/rust.yml

@@ -15,6 +15,32 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: dtolnay/rust-toolchain@1.60.0
+      - uses: dtolnay/rust-toolchain@stable
       - run: cargo test --all
-
+  msrv:
+    name: "Check MSRV: 1.66.0"
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        toolchain: 1.66.0  # MSRV
+    - uses: Swatinem/rust-cache@v2
+    - name: Default features
+      run: cargo test --all
+  rustfmt:
+    name: rustfmt
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@nightly
+      with:
+        toolchain: nightly
+        components: rustfmt
+    - uses: Swatinem/rust-cache@v2
+    - name: Check formatting
+      run: cargo fmt --all -- --check

.rustfmt.toml

@@ -0,0 +1,23 @@
+# Basic
+edition = "2021"
+max_width = 100
+use_small_heuristics = "Max"
+# Imports
+imports_granularity = "Crate"
+reorder_imports = true
+# Consistency
+newline_style = "Unix"
+# Misc
+chain_width = 80
+spaces_around_ranges = false
+binop_separator = "Back"
+reorder_impl_items = false
+match_arm_leading_pipes = "Preserve"
+match_arm_blocks = false
+match_block_trailing_comma = true
+trailing_comma = "Vertical"
+trailing_semicolon = false
+use_field_init_shorthand = true
+# Format comments
+comment_width = 100
+wrap_comments = true

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "proc-macro-crate"
-version = "1.3.1"
+version = "2.0.0"
 authors = ["Bastian Köcher <git@kchr.de>"]
 edition = "2021"
 categories = ["development-tools::procedural-macro-helpers"]
@@ -12,13 +12,12 @@ description = """
 Replacement for crate (macro_rules keyword) in proc-macros
 """
 readme = "./README.md"
-rust-version = "1.60.0"
+rust-version = "1.66.0"
 
 [dependencies]
-toml_edit = "0.19"
-once_cell = "1.13.0"
+toml_edit = "0.20.2"
 
 [dev-dependencies]
-quote = "1.0.7"
-syn = "1.0.33"
-proc-macro2 = "1.0.18"
+quote = "1.0.33"
+syn = "2.0.37"
+proc-macro2 = "1.0.67"

tests/workspace_deps.rs

@@ -0,0 +1,17 @@
+use std::{path::PathBuf, process::Command};
+
+#[test]
+fn workspace_deps_working() {
+    let manifest_dir =
+        PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("tests/workspace_deps/Cargo.toml");
+
+    assert!(Command::new("cargo")
+        .arg("build")
+        .arg("--all")
+        .arg(format!("--manifest-path={}", manifest_dir.display()))
+        .spawn()
+        .unwrap()
+        .wait()
+        .unwrap()
+        .success());
+}

tests/workspace_deps/Cargo.toml

@@ -0,0 +1,8 @@
+[workspace]
+members = ["my-cool-dep", "test-crate"]
+resolver = "2"
+
+
+[workspace.dependencies]
+my-cool-dep = { package = "my-cool-dep-real-name", path = "my-cool-dep" }
+proc-macro-crate = { path = "../.." }

tests/workspace_deps/my-cool-dep/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "my-cool-dep-real-name"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+proc-macro-crate = { workspace = true }

tests/workspace_deps/my-cool-dep/src/lib.rs

@@ -0,0 +1,11 @@
+use proc_macro::TokenStream;
+
+#[proc_macro]
+pub fn do_something(input: TokenStream) -> TokenStream {
+    let found_crate =
+        proc_macro_crate::crate_name("my-cool-dep-real-name").expect("Couldn't find the crate");
+
+    assert_eq!(proc_macro_crate::FoundCrate::Name("my_cool_dep".into()), found_crate);
+
+    input
+}

tests/workspace_deps/test-crate/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "test-crate"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+my-cool-dep = { workspace = true }

tests/workspace_deps/test-crate/src/lib.rs

@@ -0,0 +1,3 @@
+pub fn use_it() {
+    my_cool_dep::do_something!()
+}