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Basic implementation of cargo clippy --all

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This implements workspace support for `cargo clippy` by running clippy
over all packages in the workspace (in serial).

This should probably be parallelised in future (as `cargo build --all`).
This commit is contained in:
Benjamin Gill 2017-08-18 17:57:33 +01:00
parent 7cdaeae1b8
commit 1265b46478
1 changed files with 71 additions and 59 deletions
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130
src/main.rs
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@ -152,6 +152,7 @@ Common options:
-h, --help Print this message
--features Features to compile for the package
-V, --version Print version info and exit
--all @@@ something sensible here (copy from cargo-edit?)
Other options are the same as `cargo rustc`.
@ -217,74 +218,85 @@ pub fn main() {
.expect("manifest path could not be canonicalized")
});
let package_index = {
if let Some(manifest_path) = manifest_path {
metadata.packages.iter().position(|package| {
let package_manifest_path = Path::new(&package.manifest_path).canonicalize().expect(
"package manifest path could not be canonicalized",
);
package_manifest_path == manifest_path
})
} else {
let package_manifest_paths: HashMap<_, _> = metadata
.packages
.iter()
.enumerate()
.map(|(i, package)| {
let package_manifest_path = Path::new(&package.manifest_path)
.parent()
.expect("could not find parent directory of package manifest")
.canonicalize()
.expect("package directory cannot be canonicalized");
(package_manifest_path, i)
let packages = if std::env::args().any(|a| a == "--all" ) {
metadata.packages
} else {
let package_index = {
if let Some(manifest_path) = manifest_path {
metadata.packages.iter().position(|package| {
let package_manifest_path = Path::new(&package.manifest_path).canonicalize().expect(
"package manifest path could not be canonicalized",
);
package_manifest_path == manifest_path
})
.collect();
} else {
let package_manifest_paths: HashMap<_, _> = metadata
.packages
.iter()
.enumerate()
.map(|(i, package)| {
let package_manifest_path = Path::new(&package.manifest_path)
.parent()
.expect("could not find parent directory of package manifest")
.canonicalize()
.expect("package directory cannot be canonicalized");
(package_manifest_path, i)
})
.collect();
let current_dir = std::env::current_dir()
.expect("could not read current directory")
.canonicalize()
.expect("current directory cannot be canonicalized");
let current_dir = std::env::current_dir()
.expect("could not read current directory")
.canonicalize()
.expect("current directory cannot be canonicalized");
let mut current_path: &Path = &current_dir;
let mut current_path: &Path = &current_dir;
// This gets the most-recent parent (the one that takes the fewest `cd ..`s to
// reach).
loop {
if let Some(&package_index) = package_manifest_paths.get(current_path) {
break Some(package_index);
} else {
// We'll never reach the filesystem root, because to get to this point in the
// code
// the call to `cargo_metadata::metadata` must have succeeded. So it's okay to
// unwrap the current path's parent.
current_path = current_path.parent().unwrap_or_else(|| {
panic!("could not find parent of path {}", current_path.display())
});
// This gets the most-recent parent (the one that takes the fewest `cd ..`s to
// reach).
loop {
if let Some(&package_index) = package_manifest_paths.get(current_path) {
break Some(package_index);
} else {
// We'll never reach the filesystem root, because to get to this point in the
// code
// the call to `cargo_metadata::metadata` must have succeeded. So it's okay to
// unwrap the current path's parent.
current_path = current_path.parent().unwrap_or_else(|| {
panic!("could not find parent of path {}", current_path.display())
});
}
}
}
}
}.expect("could not find matching package");
}.expect("could not find matching package");
let package = metadata.packages.remove(package_index);
for target in package.targets {
let args = std::env::args().skip(2);
if let Some(first) = target.kind.get(0) {
if target.kind.len() > 1 || first.ends_with("lib") {
if let Err(code) = process(std::iter::once("--lib".to_owned()).chain(args)) {
std::process::exit(code);
}
} else if ["bin", "example", "test", "bench"].contains(&&**first) {
if let Err(code) = process(
vec![format!("--{}", first), target.name]
.into_iter()
.chain(args),
)
{
std::process::exit(code);
vec![metadata.packages.remove(package_index)]
};
for package in packages {
let manifest_path = package.manifest_path;
for target in package.targets {
let args = std::env::args().skip(2).filter(|a| a != "--all" && !a.starts_with("--manifest-path="));
let args = std::iter::once(format!("--manifest-path={}", manifest_path)).chain(args);
if let Some(first) = target.kind.get(0) {
if target.kind.len() > 1 || first.ends_with("lib") {
if let Err(code) = process(std::iter::once("--lib".to_owned()).chain(args)) {
std::process::exit(code);
}
} else if ["bin", "example", "test", "bench"].contains(&&**first) {
if let Err(code) = process(
vec![format!("--{}", first), target.name]
.into_iter()
.chain(args),
)
{
std::process::exit(code);
}
}
} else {
panic!("badly formatted cargo metadata: target::kind is an empty array");
}
} else {
panic!("badly formatted cargo metadata: target::kind is an empty array");
}
}
} else {