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|
//! Support library for `cargo xtask` command.
//!
//! See https://github.com/matklad/cargo-xtask/
pub mod codegen;
mod ast_src;
pub mod install;
pub mod release;
pub mod dist;
pub mod pre_commit;
pub mod metrics;
pub mod pre_cache;
use std::{
env,
path::{Path, PathBuf},
};
use walkdir::{DirEntry, WalkDir};
use xshell::{cmd, pushd, pushenv};
use crate::codegen::Mode;
pub use anyhow::{bail, Context as _, Result};
pub fn project_root() -> PathBuf {
Path::new(
&env::var("CARGO_MANIFEST_DIR").unwrap_or_else(|_| env!("CARGO_MANIFEST_DIR").to_owned()),
)
.ancestors()
.nth(1)
.unwrap()
.to_path_buf()
}
pub fn rust_files() -> impl Iterator<Item = PathBuf> {
rust_files_in(&project_root().join("crates"))
}
pub fn cargo_files() -> impl Iterator<Item = PathBuf> {
files_in(&project_root(), "toml")
.filter(|path| path.file_name().map(|it| it == "Cargo.toml").unwrap_or(false))
}
pub fn rust_files_in(path: &Path) -> impl Iterator<Item = PathBuf> {
files_in(path, "rs")
}
pub fn run_rustfmt(mode: Mode) -> Result<()> {
let _dir = pushd(project_root())?;
let _e = pushenv("RUSTUP_TOOLCHAIN", "stable");
ensure_rustfmt()?;
let check = match mode {
Mode::Overwrite => &[][..],
Mode::Verify => &["--", "--check"],
};
cmd!("cargo fmt {check...}").run()?;
Ok(())
}
fn ensure_rustfmt() -> Result<()> {
let out = cmd!("rustfmt --version").read()?;
if !out.contains("stable") {
bail!(
"Failed to run rustfmt from toolchain 'stable'. \
Please run `rustup component add rustfmt --toolchain stable` to install it.",
)
}
Ok(())
}
pub fn run_clippy() -> Result<()> {
if cmd!("cargo clippy --version").read().is_err() {
bail!(
"Failed run cargo clippy. \
Please run `rustup component add clippy` to install it.",
)
}
let allowed_lints = "
-A clippy::collapsible_if
-A clippy::needless_pass_by_value
-A clippy::nonminimal_bool
-A clippy::redundant_pattern_matching
"
.split_ascii_whitespace();
cmd!("cargo clippy --all-features --all-targets -- {allowed_lints...}").run()?;
Ok(())
}
pub fn run_fuzzer() -> Result<()> {
let _d = pushd("./crates/syntax")?;
let _e = pushenv("RUSTUP_TOOLCHAIN", "nightly");
if cmd!("cargo fuzz --help").read().is_err() {
cmd!("cargo install cargo-fuzz").run()?;
};
// Expecting nightly rustc
let out = cmd!("rustc --version").read()?;
if !out.contains("nightly") {
bail!("fuzz tests require nightly rustc")
}
cmd!("cargo fuzz run parser").run()?;
Ok(())
}
fn date_iso() -> Result<String> {
let res = cmd!("date --iso --utc").read()?;
Ok(res)
}
fn is_release_tag(tag: &str) -> bool {
tag.len() == "2020-02-24".len() && tag.starts_with(|c: char| c.is_ascii_digit())
}
fn files_in(path: &Path, ext: &'static str) -> impl Iterator<Item = PathBuf> {
let iter = WalkDir::new(path);
return iter
.into_iter()
.filter_entry(|e| !is_hidden(e))
.map(|e| e.unwrap())
.filter(|e| !e.file_type().is_dir())
.map(|e| e.into_path())
.filter(move |path| path.extension().map(|it| it == ext).unwrap_or(false));
fn is_hidden(entry: &DirEntry) -> bool {
entry.file_name().to_str().map(|s| s.starts_with('.')).unwrap_or(false)
}
}
|
