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Merge pull request #1029 from oli-obk/manifest2

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fix cargo clippy when using with `--manifest-path`
This commit is contained in:
Manish Goregaokar 2016-06-21 11:47:38 +01:00 committed by GitHub
commit 78686c82cb
3 changed files with 11 additions and 5 deletions
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9
clippy_lints/src/utils/cargo.rs
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@ -65,8 +65,13 @@ impl From<json::DecoderError> for Error {
} }
} }
pub fn metadata() -> Result<Metadata, Error> { pub fn metadata(manifest_path: Option<String>) -> Result<Metadata, Error> {
let output = Command::new("cargo").args(&["metadata", "--no-deps"]).output()?; let mut cmd = Command::new("cargo");
cmd.arg("metadata").arg("--no-deps");
if let Some(ref mani) = manifest_path {
cmd.arg(mani);
}
let output = cmd.output()?;
let stdout = from_utf8(&output.stdout)?; let stdout = from_utf8(&output.stdout)?;
Ok(json::decode(stdout)?) Ok(json::decode(stdout)?)
} }

3
src/main.rs
View file

@ -129,7 +129,8 @@ pub fn main() {
}; };
if let Some("clippy") = std::env::args().nth(1).as_ref().map(AsRef::as_ref) { if let Some("clippy") = std::env::args().nth(1).as_ref().map(AsRef::as_ref) {
let mut metadata = cargo::metadata().expect("could not obtain cargo metadata"); let manifest_path = std::env::args().skip(2).find(|val| val.starts_with("--manifest-path="));
let mut metadata = cargo::metadata(manifest_path).expect("could not obtain cargo metadata");
assert_eq!(metadata.version, 1); assert_eq!(metadata.version, 1);
for target in metadata.packages.remove(0).targets { for target in metadata.packages.remove(0).targets {
let args = std::env::args().skip(2); let args = std::env::args().skip(2);

4
tests/versioncheck.rs
View file

@ -3,9 +3,9 @@ use clippy_lints::utils::cargo;
#[test] #[test]
fn check_that_clippy_lints_has_the_same_version_as_clippy() { fn check_that_clippy_lints_has_the_same_version_as_clippy() {
let clippy_meta = cargo::metadata().expect("could not obtain cargo metadata"); let clippy_meta = cargo::metadata(None).expect("could not obtain cargo metadata");
std::env::set_current_dir(std::env::current_dir().unwrap().join("clippy_lints")).unwrap(); std::env::set_current_dir(std::env::current_dir().unwrap().join("clippy_lints")).unwrap();
let clippy_lints_meta = cargo::metadata().expect("could not obtain cargo metadata"); let clippy_lints_meta = cargo::metadata(None).expect("could not obtain cargo metadata");
assert_eq!(clippy_lints_meta.packages[0].version, clippy_meta.packages[0].version); assert_eq!(clippy_lints_meta.packages[0].version, clippy_meta.packages[0].version);
for package in &clippy_meta.packages[0].dependencies { for package in &clippy_meta.packages[0].dependencies {
if package.name == "clippy_lints" { if package.name == "clippy_lints" {