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implement the download_and_extract() step for git sources

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This commit is contained in:
Matthias Krüger 2021-02-06 12:02:42 +01:00
parent 64982cc435
commit 10fbafa562
1 changed files with 85 additions and 37 deletions
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122
clippy_dev/src/lintcheck.rs
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@ -16,6 +16,7 @@ use std::{fmt, fs::write, path::PathBuf};
use clap::ArgMatches;
use serde::{Deserialize, Serialize};
use serde_json::Value;
//use git2::Repository;
// use this to store the crates when interacting with the crates.toml file
#[derive(Debug, Serialize, Deserialize)]
@ -35,12 +36,13 @@ struct TomlCrate {
// represents an archive we download from crates.io
#[derive(Debug, Serialize, Deserialize, Eq, Hash, PartialEq)]
struct CrateSource {
name: String,
version: String,
enum CrateSource {
CratesIo { name: String, version: String },
Git { name: String, url: String, commit: String },
}
// represents the extracted sourcecode of a crate
// we actually don't need to special-case git repos here because it does not matter for clippy, yay! (clippy only needs a simple path)
#[derive(Debug)]
struct Crate {
version: String,
@ -72,40 +74,70 @@ impl std::fmt::Display for ClippyWarning {
impl CrateSource {
fn download_and_extract(&self) -> Crate {
let extract_dir = PathBuf::from("target/lintcheck/crates");
let krate_download_dir = PathBuf::from("target/lintcheck/downloads");
match self {
CrateSource::CratesIo { name, version } => {
let extract_dir = PathBuf::from("target/lintcheck/crates");
let krate_download_dir = PathBuf::from("target/lintcheck/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 and extracting {} {} from {}", self.name, self.version, url);
let _ = std::fs::create_dir("target/lintcheck/");
let _ = std::fs::create_dir(&krate_download_dir);
let _ = std::fs::create_dir(&extract_dir);
// url to download the crate from crates.io
let url = format!("https://crates.io/api/v1/crates/{}/{}/download", name, version);
println!("Downloading and extracting {} {} from {}", name, version, url);
let _ = std::fs::create_dir("target/lintcheck/");
let _ = std::fs::create_dir(&krate_download_dir);
let _ = std::fs::create_dir(&extract_dir);
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();
let krate_file_path = krate_download_dir.join(format!("{}-{}.crate.tar.gz", name, 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 archive = tar::Archive::new(ungz_tar);
archive.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
Crate {
version: self.version.clone(),
name: self.name.clone(),
path: extract_dir.join(format!("{}-{}/", self.name, self.version)),
// unzip the tarball
let ungz_tar = flate2::read::GzDecoder::new(std::fs::File::open(&krate_file_path).unwrap());
// extract the tar archive
let mut archive = tar::Archive::new(ungz_tar);
archive.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
Crate {
version: version.clone(),
name: name.clone(),
path: extract_dir.join(format!("{}-{}/", name, version)),
}
},
CrateSource::Git { name, url, commit } => {
let repo_path = {
let mut repo_path = PathBuf::from("target/lintcheck/downloads");
// add a -git suffix in case we have the same crate from crates.io and a git repo
repo_path.push(format!("{}-git", name));
repo_path
};
// clone the repo if we have not done so
if !repo_path.is_dir() {
Command::new("git")
.arg("clone")
.arg(url)
.arg(&repo_path)
.output()
.expect("Failed to clone git repo!");
}
// check out the commit/branch/whatever
Command::new("git")
.arg("checkout")
.arg(commit)
.output()
.expect("Failed to check out commit");
Crate {
version: commit.clone(),
name: name.clone(),
path: repo_path,
}
},
}
}
}
@ -175,14 +207,30 @@ fn read_crates() -> Vec<CrateSource> {
// multiple Cratesources)
let mut crate_sources = Vec::new();
tomlcrates.into_iter().for_each(|tk| {
// if we have multiple versions, save each one
if let Some(ref versions) = tk.versions {
versions.iter().for_each(|ver| {
crate_sources.push(CrateSource {
crate_sources.push(CrateSource::CratesIo {
name: tk.name.clone(),
version: ver.to_string(),
});
})
}
// otherwise, we should have a git source
if tk.git_url.is_some() && tk.git_hash.is_some() {
crate_sources.push(CrateSource::Git {
name: tk.name.clone(),
url: tk.git_url.clone().unwrap(),
commit: tk.git_hash.clone().unwrap(),
});
}
// if we have a version as well as a git data OR only one git data, something is funky
if tk.versions.is_some() && (tk.git_url.is_some() || tk.git_hash.is_some())
|| tk.git_hash.is_some() != tk.git_url.is_some()
{
dbg!(tk);
unreachable!("Failed to translate TomlCrate into CrateSource!");
}
});
crate_sources
}
@ -239,13 +287,13 @@ pub fn run(clap_config: &ArgMatches) {
let clippy_warnings: Vec<ClippyWarning> = if let Some(only_one_crate) = clap_config.value_of("only") {
// if we don't have the specified crated in the .toml, throw an error
if !crates.iter().any(|krate| krate.name == only_one_crate) {
/* if !crates.iter().any(|krate| krate.name == only_one_crate) {
eprintln!(
"ERROR: could not find crate '{}' in clippy_dev/lintcheck_crates.toml",
only_one_crate
);
std::process::exit(1);
}
} */ //@FIXME
// only check a single crate that was passed via cmdline
crates