-// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+use clippy_utils::diagnostics::span_lint;
+use clippy_utils::run_lints;
+use rustc_hir::{hir_id::CRATE_HIR_ID, Crate};
+use rustc_lint::{LateContext, LateLintPass};
+use rustc_session::{declare_lint_pass, declare_tool_lint};
+use rustc_span::source_map::DUMMY_SP;
-use crate::rustc::lint::{EarlyContext, EarlyLintPass, LintArray, LintPass};
-use crate::rustc::{declare_tool_lint, lint_array};
-use crate::syntax::ast::*;
-use crate::utils::span_lint;
+use if_chain::if_chain;
-use cargo_metadata;
-use lazy_static::lazy_static;
-use semver;
-
-/// **What it does:** Checks to see if wildcard dependencies are being used.
-///
-/// **Why is this bad?** [As the edition guide sais](https://rust-lang-nursery.github.io/edition-guide/rust-2018/cargo-and-crates-io/crates-io-disallows-wildcard-dependencies.html),
-/// it is highly unlikely that you work with any possible version of your dependency,
-/// and wildcard dependencies would cause unnecessary breakage in the ecosystem.
-///
-/// **Known problems:** None.
-///
-/// **Example:**
-///
-/// ```toml
-/// [dependencies]
-/// regex = "*"
-/// ```
declare_clippy_lint! {
+ /// **What it does:** Checks for wildcard dependencies in the `Cargo.toml`.
+ ///
+ /// **Why is this bad?** [As the edition guide says](https://rust-lang-nursery.github.io/edition-guide/rust-2018/cargo-and-crates-io/crates-io-disallows-wildcard-dependencies.html),
+ /// it is highly unlikely that you work with any possible version of your dependency,
+ /// and wildcard dependencies would cause unnecessary breakage in the ecosystem.
+ ///
+ /// **Known problems:** None.
+ ///
+ /// **Example:**
+ ///
+ /// ```toml
+ /// [dependencies]
+ /// regex = "*"
+ /// ```
pub WILDCARD_DEPENDENCIES,
cargo,
"wildcard dependencies being used"
}
-pub struct Pass;
-
-impl LintPass for Pass {
- fn get_lints(&self) -> LintArray {
- lint_array!(WILDCARD_DEPENDENCIES)
- }
-}
+declare_lint_pass!(WildcardDependencies => [WILDCARD_DEPENDENCIES]);
-impl EarlyLintPass for Pass {
- fn check_crate(&mut self, cx: &EarlyContext<'_>, krate: &Crate) {
- let metadata = if let Ok(metadata) = cargo_metadata::metadata(None) {
- metadata
- } else {
- span_lint(cx, WILDCARD_DEPENDENCIES, krate.span, "could not read cargo metadata");
+impl LateLintPass<'_> for WildcardDependencies {
+ fn check_crate(&mut self, cx: &LateContext<'_>, _: &Crate<'_>) {
+ if !run_lints(cx, &[WILDCARD_DEPENDENCIES], CRATE_HIR_ID) {
return;
- };
-
- lazy_static! {
- // VersionReq::any() does not work
- static ref WILDCARD_VERSION_REQ: semver::VersionReq = semver::VersionReq::parse("*").unwrap();
}
+ let metadata = unwrap_cargo_metadata!(cx, WILDCARD_DEPENDENCIES, false);
+
for dep in &metadata.packages[0].dependencies {
- if dep.req == *WILDCARD_VERSION_REQ {
- span_lint(
- cx,
- WILDCARD_DEPENDENCIES,
- krate.span,
- &format!("wildcard dependency for `{}`", dep.name),
- );
+ // VersionReq::any() does not work
+ if_chain! {
+ if let Ok(wildcard_ver) = semver::VersionReq::parse("*");
+ if let Some(ref source) = dep.source;
+ if !source.starts_with("git");
+ if dep.req == wildcard_ver;
+ then {
+ span_lint(
+ cx,
+ WILDCARD_DEPENDENCIES,
+ DUMMY_SP,
+ &format!("wildcard dependency for `{}`", dep.name),
+ );
+ }
}
}
}