rust/xtask/src/install.rs
2024-02-10 01:00:40 +09:00

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//! Installs rust-analyzer language server and/or editor plugin.
use std::{env, path::PathBuf, str};
use anyhow::{bail, format_err, Context};
use xshell::{cmd, Shell};
use crate::flags;
impl flags::Install {
pub(crate) fn run(self, sh: &Shell) -> anyhow::Result<()> {
if cfg!(target_os = "macos") {
fix_path_for_mac(sh).context("Fix path for mac")?;
}
if let Some(server) = self.server() {
install_server(sh, server).context("install server")?;
}
if let Some(client) = self.client() {
install_client(sh, client).context("install client")?;
}
Ok(())
}
}
#[derive(Clone)]
pub(crate) struct ClientOpt {
pub(crate) code_bin: Option<String>,
}
const VS_CODES: &[&str] = &["code", "code-exploration", "code-insiders", "codium", "code-oss"];
pub(crate) struct ServerOpt {
pub(crate) malloc: Malloc,
}
pub(crate) enum Malloc {
System,
Mimalloc,
Jemalloc,
}
fn fix_path_for_mac(sh: &Shell) -> anyhow::Result<()> {
let mut vscode_path: Vec<PathBuf> = {
const COMMON_APP_PATH: &str =
r"/Applications/Visual Studio Code.app/Contents/Resources/app/bin";
const ROOT_DIR: &str = "";
let home_dir = sh.var("HOME").map_err(|err| {
format_err!("Failed getting HOME from environment with error: {}.", err)
})?;
[ROOT_DIR, &home_dir]
.into_iter()
.map(|dir| dir.to_owned() + COMMON_APP_PATH)
.map(PathBuf::from)
.filter(|path| path.exists())
.collect()
};
if !vscode_path.is_empty() {
let vars = sh.var_os("PATH").context("Could not get PATH variable from env.")?;
let mut paths = env::split_paths(&vars).collect::<Vec<_>>();
paths.append(&mut vscode_path);
let new_paths = env::join_paths(paths).context("build env PATH")?;
sh.set_var("PATH", new_paths);
}
Ok(())
}
fn install_client(sh: &Shell, client_opt: ClientOpt) -> anyhow::Result<()> {
let _dir = sh.push_dir("./editors/code");
// Package extension.
if cfg!(unix) {
cmd!(sh, "npm --version").run().context("`npm` is required to build the VS Code plugin")?;
cmd!(sh, "npm ci").run()?;
cmd!(sh, "npm run package --scripts-prepend-node-path").run()?;
} else {
cmd!(sh, "cmd.exe /c npm --version")
.run()
.context("`npm` is required to build the VS Code plugin")?;
cmd!(sh, "cmd.exe /c npm ci").run()?;
cmd!(sh, "cmd.exe /c npm run package").run()?;
};
// Find the appropriate VS Code binary.
let lifetime_extender;
let candidates: &[&str] = match client_opt.code_bin.as_deref() {
Some(it) => {
lifetime_extender = [it];
&lifetime_extender[..]
}
None => VS_CODES,
};
let code = candidates
.iter()
.copied()
.find(|&bin| {
if cfg!(unix) {
cmd!(sh, "{bin} --version").read().is_ok()
} else {
cmd!(sh, "cmd.exe /c {bin}.cmd --version").read().is_ok()
}
})
.ok_or_else(|| {
format_err!("Can't execute `{} --version`. Perhaps it is not in $PATH?", candidates[0])
})?;
// Install & verify.
let installed_extensions = if cfg!(unix) {
cmd!(sh, "{code} --install-extension rust-analyzer.vsix --force").run()?;
cmd!(sh, "{code} --list-extensions").read()?
} else {
cmd!(sh, "cmd.exe /c {code}.cmd --install-extension rust-analyzer.vsix --force").run()?;
cmd!(sh, "cmd.exe /c {code}.cmd --list-extensions").read()?
};
if !installed_extensions.contains("rust-analyzer") {
bail!(
"Could not install the Visual Studio Code extension. \
Please make sure you have at least NodeJS 12.x together with the latest version of VS Code installed and try again. \
Note that installing via xtask install does not work for VS Code Remote, instead youll need to install the .vsix manually."
);
}
Ok(())
}
fn install_server(sh: &Shell, opts: ServerOpt) -> anyhow::Result<()> {
let features = match opts.malloc {
Malloc::System => &[][..],
Malloc::Mimalloc => &["--features", "mimalloc"],
Malloc::Jemalloc => &["--features", "jemalloc"],
};
let cmd = cmd!(sh, "cargo install --path crates/rust-analyzer --locked --force --features force-always-assert {features...}");
cmd.run()?;
Ok(())
}