struct Krate {
version: String,
name: String,
+ // path to the extracted sources that clippy can check
path: PathBuf,
}
name: name.into(),
}
}
+
fn download_and_extract(&self) -> Krate {
let extract_dir = PathBuf::from("target/crater/crates");
-
- // download
let krate_download_dir = PathBuf::from("target/crater/downloads");
+ // url to download the crate from crates.io
let url = format!(
"https://crates.io/api/v1/crates/{}/{}/download",
self.name, self.version
);
- println!("Downloading {}, {} / {}", self.name, self.version, url);
+ println!("Downloading and extracting {} {} from {}", self.name, self.version, url);
let _ = std::fs::create_dir("target/crater/");
-
let _ = std::fs::create_dir(&krate_download_dir);
let _ = std::fs::create_dir(&extract_dir);
- let krate_name = format!("{}-{}.crate.tar.gz", &self.name, &self.version);
- let krate_file_path = krate_download_dir.join(krate_name);
- let mut krate_dest = std::fs::File::create(&krate_file_path).unwrap();
- let mut krate_req = ureq::get(&url).call().unwrap().into_reader();
- std::io::copy(&mut krate_req, &mut krate_dest).unwrap();
- // unzip the tarball
- let dl = std::fs::File::open(krate_file_path).unwrap();
-
- let ungz_tar = flate2::read::GzDecoder::new(dl);
- // extract the tar archive
- let mut archiv = tar::Archive::new(ungz_tar);
- let extract_path = extract_dir.clone();
- archiv.unpack(&extract_path).expect("Failed to extract!");
- // extracted
- dbg!(&extract_path);
+ let krate_file_path = krate_download_dir.join(format!("{}-{}.crate.tar.gz", &self.name, &self.version));
+ // don't download/extract if we already have done so
+ if !krate_file_path.is_file() {
+ // create a file path to download and write the crate data into
+ let mut krate_dest = std::fs::File::create(&krate_file_path).unwrap();
+ let mut krate_req = ureq::get(&url).call().unwrap().into_reader();
+ // copy the crate into the file
+ std::io::copy(&mut krate_req, &mut krate_dest).unwrap();
+
+ // unzip the tarball
+ let ungz_tar = flate2::read::GzDecoder::new(std::fs::File::open(&krate_file_path).unwrap());
+ // extract the tar archive
+ let mut archiv = tar::Archive::new(ungz_tar);
+ archiv.unpack(&extract_dir).expect("Failed to extract!");
+
+ // unzip the tarball
+ let ungz_tar = flate2::read::GzDecoder::new(std::fs::File::open(&krate_file_path).unwrap());
+ // extract the tar archive
+ let mut archiv = tar::Archive::new(ungz_tar);
+ archiv.unpack(&extract_dir).expect("Failed to extract!");
+ }
+ // crate is extracted, return a new Krate object which contains the path to the extracted
+ // sources that clippy can check
Krate {
version: self.version.clone(),
name: self.name.clone(),
impl Krate {
fn run_clippy_lints(&self, cargo_clippy_path: &PathBuf) -> Vec<String> {
+ println!("Linting {} {}...", &self.name, &self.version);
let cargo_clippy_path = std::fs::canonicalize(cargo_clippy_path).unwrap();
- let project_root = &self.path;
- dbg!(&cargo_clippy_path);
- dbg!(&project_root);
- let output = std::process::Command::new(cargo_clippy_path)
+ let all_output = std::process::Command::new(cargo_clippy_path)
+ // lint warnings will look like this:
+ // src/cargo/ops/cargo_compile.rs:127:35: warning: usage of `FromIterator::from_iter`
.args(&["--", "--message-format=short", "--", "--cap-lints=warn"])
- .current_dir(project_root)
+ .current_dir(&self.path)
.output()
.unwrap();
- let mut output = String::from_utf8_lossy(&output.stderr);
- let output: Vec<&str> = output.lines().collect();
- let mut output: Vec<String> = output
+ let stderr = String::from_utf8_lossy(&all_output.stderr);
+ let output_lines = stderr.lines();
+ let mut output: Vec<String> = output_lines
.into_iter()
.filter(|line| line.contains(": warning: "))
- .map(|l| l.to_string())
+ // prefix with the crate name and version
+ // cargo-0.49.0/src/cargo/ops/cargo_compile.rs:127:35: warning: usage of `FromIterator::from_iter`
+ .map(|line| format!("{}-{}/{}", self.name, self.version, line))
+ // remove the "warning: "
+ .map(|line| {
+ let remove_pat = "warning: ";
+ let pos = line
+ .find(&remove_pat)
+ .expect("clippy output did not contain \"warning: \"");
+ let mut new = line[0..pos].to_string();
+ new.push_str(&line[pos + remove_pat.len()..]);
+ new
+ })
.collect();
+ // sort messages alphabtically to avoid noise in the logs
output.sort();
output
}
// the main fn
pub fn run() {
let cargo_clippy_path: PathBuf = PathBuf::from("target/debug/cargo-clippy");
- let clippy_driver_path: PathBuf = PathBuf::from("target/debug/clippy-driver");
// crates we want to check:
let krates: Vec<KrateSource> = vec![KrateSource::new("regex", "1.4.2"), KrateSource::new("cargo", "0.49.0")];
"target/debug/cargo-clippy binary not found! {}",
cargo_clippy_path.display()
);
- assert!(
- clippy_driver_path.is_file(),
- "target/debug/clippy-driver binary not found! {}",
- clippy_driver_path.display()
- );
// download and extract the crates, then run clippy on them and collect clippys warnings
let clippy_lint_results: Vec<Vec<String>> = krates
.map(|krate| krate.run_clippy_lints(&cargo_clippy_path))
.collect();
- let results: Vec<String> = clippy_lint_results.into_iter().flatten().collect();
+ let all_warnings: Vec<String> = clippy_lint_results.into_iter().flatten().collect();
- results.iter().for_each(|l| println!("{}", l));
+ // TODO: save these into a file
+ all_warnings.iter().for_each(|l| println!("{}", l));
}
projects / rust.git / blobdiff