diff options
| -rw-r--r-- | clippy_lints/src/cargo_common_metadata.rs | 13 | ||||
| -rw-r--r-- | clippy_lints/src/multiple_crate_versions.rs | 10 | ||||
| -rw-r--r-- | clippy_lints/src/utils/mod.rs | 18 | ||||
| -rw-r--r-- | clippy_lints/src/wildcard_dependencies.rs | 7 |
4 files changed, 23 insertions, 25 deletions
diff --git a/clippy_lints/src/cargo_common_metadata.rs b/clippy_lints/src/cargo_common_metadata.rs index 16b46423c8f..c40a387d297 100644 --- a/clippy_lints/src/cargo_common_metadata.rs +++ b/clippy_lints/src/cargo_common_metadata.rs @@ -36,13 +36,9 @@ declare_clippy_lint! { "common metadata is defined in `Cargo.toml`" } -fn warning(cx: &LateContext<'_, '_>, message: &str) { - span_lint(cx, CARGO_COMMON_METADATA, DUMMY_SP, message); -} - fn missing_warning(cx: &LateContext<'_, '_>, package: &cargo_metadata::Package, field: &str) { let message = format!("package `{}` is missing `{}` metadata", package.name, field); - warning(cx, &message); + span_lint(cx, CARGO_COMMON_METADATA, DUMMY_SP, &message); } fn is_empty_str(value: &Option<String>) -> bool { @@ -66,12 +62,7 @@ impl LateLintPass<'_, '_> for CargoCommonMetadata { return; } - let metadata = if let Ok(metadata) = cargo_metadata::MetadataCommand::new().no_deps().exec() { - metadata - } else { - warning(cx, "could not read cargo metadata"); - return; - }; + let metadata = unwrap_cargo_metadata!(cx, CARGO_COMMON_METADATA, false); for package in metadata.packages { if is_empty_vec(&package.authors) { diff --git a/clippy_lints/src/multiple_crate_versions.rs b/clippy_lints/src/multiple_crate_versions.rs index b6770804e18..6c42014b4c8 100644 --- a/clippy_lints/src/multiple_crate_versions.rs +++ b/clippy_lints/src/multiple_crate_versions.rs @@ -7,7 +7,7 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::source_map::DUMMY_SP; -use cargo_metadata::{DependencyKind, MetadataCommand, Node, Package, PackageId}; +use cargo_metadata::{DependencyKind, Node, Package, PackageId}; use if_chain::if_chain; use itertools::Itertools; @@ -42,13 +42,7 @@ impl LateLintPass<'_, '_> for MultipleCrateVersions { return; } - let metadata = if let Ok(metadata) = MetadataCommand::new().exec() { - metadata - } else { - span_lint(cx, MULTIPLE_CRATE_VERSIONS, DUMMY_SP, "could not read cargo metadata"); - return; - }; - + let metadata = unwrap_cargo_metadata!(cx, MULTIPLE_CRATE_VERSIONS, true); let local_name = cx.tcx.crate_name(LOCAL_CRATE).as_str(); let mut packages = metadata.packages; packages.sort_by(|a, b| a.name.cmp(&b.name)); diff --git a/clippy_lints/src/utils/mod.rs b/clippy_lints/src/utils/mod.rs index 7e07e7751e3..2cdb6486fcb 100644 --- a/clippy_lints/src/utils/mod.rs +++ b/clippy_lints/src/utils/mod.rs @@ -1405,6 +1405,24 @@ pub fn run_lints(cx: &LateContext<'_, '_>, lints: &[&'static Lint], id: HirId) - }) } +#[macro_export] +macro_rules! unwrap_cargo_metadata { + ($cx: ident, $lint: ident, $deps: expr) => {{ + let mut command = cargo_metadata::MetadataCommand::new(); + if !$deps { + command.no_deps(); + } + + match command.exec() { + Ok(metadata) => metadata, + Err(err) => { + span_lint($cx, $lint, DUMMY_SP, &format!("could not read cargo metadata: {}", err)); + return; + }, + } + }}; +} + #[cfg(test)] mod test { use super::{trim_multiline, without_block_comments}; diff --git a/clippy_lints/src/wildcard_dependencies.rs b/clippy_lints/src/wildcard_dependencies.rs index d8d48eb1535..511518082be 100644 --- a/clippy_lints/src/wildcard_dependencies.rs +++ b/clippy_lints/src/wildcard_dependencies.rs @@ -34,12 +34,7 @@ impl LateLintPass<'_, '_> for WildcardDependencies { return; } - let metadata = if let Ok(metadata) = cargo_metadata::MetadataCommand::new().no_deps().exec() { - metadata - } else { - span_lint(cx, WILDCARD_DEPENDENCIES, DUMMY_SP, "could not read cargo metadata"); - return; - }; + let metadata = unwrap_cargo_metadata!(cx, WILDCARD_DEPENDENCIES, false); for dep in &metadata.packages[0].dependencies { // VersionReq::any() does not work |