75 lines
2.2 KiB
Rust
75 lines
2.2 KiB
Rust
use std::env::consts::EXE_SUFFIX;
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use std::env::current_dir;
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use std::ffi::OsStr;
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use std::fs;
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use std::path::{Path, PathBuf};
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use walkdir::WalkDir;
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use super::verify_inside_clippy_dir;
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pub fn create(force: bool, release: bool, name: &str) {
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if !verify_inside_clippy_dir() {
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return;
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}
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let rustup_home = std::env::var("RUSTUP_HOME").unwrap();
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let toolchain = std::env::var("RUSTUP_TOOLCHAIN").unwrap();
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let src = PathBuf::from_iter([&rustup_home, "toolchains", &toolchain]);
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let dest = PathBuf::from_iter([&rustup_home, "toolchains", name]);
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if dest.exists() {
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if force {
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fs::remove_dir_all(&dest).unwrap();
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} else {
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println!("{} already exists, pass `--force` to override it", dest.display());
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return;
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}
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}
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for entry in WalkDir::new(&src) {
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let entry = entry.unwrap();
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let relative = entry.path().strip_prefix(&src).unwrap();
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if relative.starts_with("bin")
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&& matches!(
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relative.file_stem().and_then(OsStr::to_str),
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Some("cargo-clippy" | "clippy-driver")
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)
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{
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continue;
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}
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let target = dest.join(relative);
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if entry.file_type().is_dir() {
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fs::create_dir(&target).unwrap();
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} else {
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fs::hard_link(entry.path(), target).unwrap();
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}
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}
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symlink_bin("cargo-clippy", &dest, release);
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symlink_bin("clippy-driver", &dest, release);
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println!("Created toolchain {name}, use it in other projects with e.g. `cargo +{name} clippy`");
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println!("Note: This will need to be re-run whenever the Clippy `rust-toolchain` changes");
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}
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fn symlink_bin(bin: &str, dest: &Path, release: bool) {
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#[cfg(windows)]
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use std::os::windows::fs::symlink_file as symlink;
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#[cfg(not(windows))]
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use std::os::unix::fs::symlink;
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let profile = if release { "release" } else { "debug" };
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let file_name = format!("{bin}{EXE_SUFFIX}");
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let mut src = current_dir().unwrap();
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src.extend(["target", profile, &file_name]);
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let mut dest = dest.to_path_buf();
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dest.extend(["bin", &file_name]);
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symlink(src, dest).unwrap();
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}
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