src/tools/clippy/clippy_lints/src/cargo/wildcard_dependencies.rs

   1 use cargo_metadata::Metadata;
   2 use clippy_utils::diagnostics::span_lint;
   3 use if_chain::if_chain;
   4 use rustc_lint::LateContext;
   5 use rustc_span::source_map::DUMMY_SP;
   6
   7 use super::WILDCARD_DEPENDENCIES;
   8
   9 pub(super) fn check(cx: &LateContext<'_>, metadata: &Metadata) {
  10     for dep in &metadata.packages[0].dependencies {
  11         // VersionReq::any() does not work
  12         if_chain! {
  13             if let Ok(wildcard_ver) = semver::VersionReq::parse("*");
  14             if let Some(ref source) = dep.source;
  15             if !source.starts_with("git");
  16             if dep.req == wildcard_ver;
  17             then {
  18                 span_lint(
  19                     cx,
  20                     WILDCARD_DEPENDENCIES,
  21                     DUMMY_SP,
  22                     &format!("wildcard dependency for `{}`", dep.name),
  23                 );
  24             }
  25         }
  26     }
  27 }