Updated to use rustc-check-cfg (#340)

* updated to use rustc-check-cfg

* allow unstable on nightly

* rustfmt

* removed duplicate lint

* rustfmt

* fix code coverage unstable issue

* allow unexpected_cfgs lint

test_util/build.rs

@@ -1,48 +1,40 @@
 pub fn main() {
     println!("cargo:rerun-if-changed=build.rs");
+    println!("cargo:rustc-check-cfg=cfg(coverage_nightly)");
     nightly();
     beta();
     stable();
-    msrv();
-    lints_fix();
 }
 
 #[rustversion::nightly]
 fn nightly() {
+    println!("cargo:rustc-check-cfg=cfg(nightly)");
     println!("cargo:rustc-cfg=nightly");
 }
 
 #[rustversion::not(nightly)]
-fn nightly() {}
+fn nightly() {
+    println!("cargo:rustc-check-cfg=cfg(nightly)");
+}
 
 #[rustversion::beta]
 fn beta() {
+    println!("cargo:rustc-check-cfg=cfg(beta)");
     println!("cargo:rustc-cfg=beta");
 }
 
 #[rustversion::not(beta)]
-fn beta() {}
+fn beta() {
+    println!("cargo:rustc-check-cfg=cfg(beta)");
+}
 
 #[rustversion::stable]
 fn stable() {
+    println!("cargo:rustc-check-cfg=cfg(stable)");
     println!("cargo:rustc-cfg=stable");
 }
 
 #[rustversion::not(stable)]
-fn stable() {}
-
-#[rustversion::before(1.70)]
-fn msrv() {}
-
-#[rustversion::since(1.70)]
-fn msrv() {
-    println!("cargo:rustc-cfg=msrv");
-}
-
-#[rustversion::before(1.75)]
-fn lints_fix() {}
-
-#[rustversion::since(1.75)]
-fn lints_fix() {
-    println!("cargo:rustc-cfg=lints_fix")
+fn stable() {
+    println!("cargo:rustc-check-cfg=cfg(stable)");
 }

test_util/src/lib.rs

@@ -74,12 +74,13 @@ the [`TestRepos`] struct to creat temporary git repositories useful for `vergen-
         lint_reasons,
         multiple_supertrait_upcastable,
         must_not_suspend,
+        mut_preserve_binding_mode_2024,
         non_exhaustive_omitted_patterns_lint,
         rustdoc_missing_doc_code_examples,
         strict_provenance,
     )
 )]
-#![cfg_attr(nightly, allow(box_pointers))]
+#![cfg_attr(nightly, allow(box_pointers, single_use_lifetimes, unexpected_cfgs))]
 #![cfg_attr(
     nightly,
     deny(
@@ -98,6 +99,7 @@ the [`TestRepos`] struct to creat temporary git repositories useful for `vergen-
         clashing_extern_declarations,
         coherence_leak_check,
         confusable_idents,
+        const_eval_mutable_ptr_in_final_value,
         const_evaluatable_unchecked,
         const_item_mutation,
         dead_code,
@@ -125,17 +127,16 @@ the [`TestRepos`] struct to creat temporary git repositories useful for `vergen-
         hidden_glob_reexports,
         improper_ctypes,
         improper_ctypes_definitions,
-        incomplete_features,
         indirect_structural_match,
         inline_no_sanitize,
         internal_features,
-        invalid_doc_attributes,
         invalid_from_utf8,
         invalid_macro_export_arguments,
         invalid_nan_comparisons,
         invalid_value,
         irrefutable_let_patterns,
-        keyword_idents,
+        keyword_idents_2018,
+        keyword_idents_2024,
         large_assignments,
         late_bound_lifetime_arguments,
         legacy_derive_helpers,
@@ -149,10 +150,13 @@ the [`TestRepos`] struct to creat temporary git repositories useful for `vergen-
         missing_docs,
         mixed_script_confusables,
         named_arguments_used_positionally,
+        never_type_fallback_flowing_into_unsafe,
         no_mangle_generic_items,
         non_ascii_idents,
         non_camel_case_types,
+        non_contiguous_range_endpoints,
         non_fmt_panics,
+        non_local_definitions,
         non_shorthand_field_patterns,
         non_snake_case,
         non_upper_case_globals,
@@ -163,16 +167,17 @@ the [`TestRepos`] struct to creat temporary git repositories useful for `vergen-
         pointer_structural_match,
         private_bounds,
         private_interfaces,
+        redundant_lifetimes,
         redundant_semicolons,
-        refining_impl_trait,
+        refining_impl_trait_internal,
+        refining_impl_trait_reachable,
         renamed_and_removed_lints,
         repr_transparent_external_private_fields,
         rust_2021_incompatible_closure_captures,
         rust_2021_incompatible_or_patterns,
         rust_2021_prefixes_incompatible_syntax,
         rust_2021_prelude_collisions,
         semicolon_in_expressions_from_macros,
-        single_use_lifetimes,
         special_module_name,
         stable_features,
         static_mut_refs,
@@ -185,13 +190,15 @@ the [`TestRepos`] struct to creat temporary git repositories useful for `vergen-
         tyvar_behind_raw_pointer,
         uncommon_codepoints,
         unconditional_recursion,
+        uncovered_param_in_projection,
         undefined_naked_function_abi,
-        unexpected_cfgs,
         ungated_async_fn_track_caller,
         uninhabited_static,
         unit_bindings,
         unknown_lints,
+        unknown_or_malformed_diagnostic_attributes,
         unnameable_test_items,
+        unnameable_types,
         unreachable_code,
         unreachable_patterns,
         unreachable_pub,
@@ -225,27 +232,33 @@ the [`TestRepos`] struct to creat temporary git repositories useful for `vergen-
         unused_variables,
         useless_ptr_null_checks,
         variant_size_differences,
+        wasm_c_abi,
         where_clauses_object_safety,
         while_true,
         writes_through_immutable_pointer,
     )
 )]
-// If nightly and unstable, allow `unstable_features`
-#![cfg_attr(all(feature = "unstable", nightly), allow(unstable_features))]
-// If nightly and not unstable, deny `unstable_features`
-#![cfg_attr(all(not(feature = "unstable"), nightly), deny(unstable_features))]
+// If nightly and unstable, allow `incomplete_features` and `unstable_features`
+#![cfg_attr(
+    all(feature = "unstable", nightly),
+    allow(incomplete_features, unstable_features)
+)]
+// If nightly and not unstable, deny `incomplete_features` and `unstable_features`
+#![cfg_attr(
+    all(not(feature = "unstable"), nightly),
+    deny(incomplete_features, unstable_features)
+)]
 // The unstable lints
 #![cfg_attr(
     all(feature = "unstable", nightly),
     deny(
+        dereferencing_mut_binding,
         fuzzy_provenance_casts,
         lossy_provenance_casts,
         multiple_supertrait_upcastable,
         must_not_suspend,
         non_exhaustive_omitted_patterns,
         unfulfilled_lint_expectations,
-        // unknown_or_malformed_diagnostic_attributes,
-        unnameable_types,
     )
 )]
 // clippy lints
@@ -269,6 +282,7 @@ the [`TestRepos`] struct to creat temporary git repositories useful for `vergen-
 )]
 #![cfg_attr(all(doc, nightly), feature(doc_auto_cfg))]
 #![cfg_attr(all(docsrs, nightly), feature(doc_cfg))]
+#![cfg_attr(all(nightly, coverage_nightly), feature(coverage_attribute))]
 
 #[cfg(all(test, not(feature = "repo")))]
 use {anyhow as _, serial_test as _};

vergen-git2/Cargo.toml

@@ -52,7 +52,7 @@ lazy_static = "1.4.0"
 regex = "1.10.3"
 serial_test = "3.0.0"
 temp-env = "0.3.6"
-test_util = { path = "../test_util", features = ["repo"] }
+test_util = { path = "../test_util", features = ["repo", "unstable"] }
 
 [package.metadata.docs.rs]
 features = ["build", "cargo", "emit_and_set", "rustc", "si"]

vergen-git2/build.rs

@@ -1,48 +1,40 @@
 pub fn main() {
     println!("cargo:rerun-if-changed=build.rs");
+    println!("cargo:rustc-check-cfg=cfg(coverage_nightly)");
     nightly();
     beta();
     stable();
-    msrv();
-    lints_fix();
 }
 
 #[rustversion::nightly]
 fn nightly() {
+    println!("cargo:rustc-check-cfg=cfg(nightly)");
     println!("cargo:rustc-cfg=nightly");
 }
 
 #[rustversion::not(nightly)]
-fn nightly() {}
+fn nightly() {
+    println!("cargo:rustc-check-cfg=cfg(nightly)");
+}
 
 #[rustversion::beta]
 fn beta() {
+    println!("cargo:rustc-check-cfg=cfg(beta)");
     println!("cargo:rustc-cfg=beta");
 }
 
 #[rustversion::not(beta)]
-fn beta() {}
+fn beta() {
+    println!("cargo:rustc-check-cfg=cfg(beta)");
+}
 
 #[rustversion::stable]
 fn stable() {
+    println!("cargo:rustc-check-cfg=cfg(stable)");
     println!("cargo:rustc-cfg=stable");
 }
 
 #[rustversion::not(stable)]
-fn stable() {}
-
-#[rustversion::before(1.70)]
-fn msrv() {}
-
-#[rustversion::since(1.70)]
-fn msrv() {
-    println!("cargo:rustc-cfg=msrv");
-}
-
-#[rustversion::before(1.75)]
-fn lints_fix() {}
-
-#[rustversion::since(1.75)]
-fn lints_fix() {
-    println!("cargo:rustc-cfg=lints_fix")
+fn stable() {
+    println!("cargo:rustc-check-cfg=cfg(stable)");
 }