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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use deno_runtime::deno_broadcast_channel;use deno_runtime::deno_console;use deno_runtime::deno_crypto;use deno_runtime::deno_fetch;use deno_runtime::deno_net;use deno_runtime::deno_url;use deno_runtime::deno_web;use deno_runtime::deno_websocket;use deno_runtime::deno_webstorage;
use std::env;use std::path::Path;use std::path::PathBuf;
fn main() {  // Skip building from docs.rs.  if env::var_os("DOCS_RS").is_some() {    return;  }
  // Host snapshots won't work when cross compiling.  let target = env::var("TARGET").unwrap();  let host = env::var("HOST").unwrap();  if target != host {    panic!("Cross compiling with snapshot is not supported.");  }
  println!("cargo:rustc-env=TARGET={}", env::var("TARGET").unwrap());  println!("cargo:rustc-env=PROFILE={}", env::var("PROFILE").unwrap());
  if let Ok(c) = env::var("DENO_CANARY") {    println!("cargo:rustc-env=DENO_CANARY={}", c);  }  println!("cargo:rerun-if-env-changed=DENO_CANARY");
  println!("cargo:rustc-env=GIT_COMMIT_HASH={}", git_commit_hash());  println!("cargo:rerun-if-env-changed=GIT_COMMIT_HASH");
  println!("cargo:rustc-env=TS_VERSION={}", ts_version());  println!("cargo:rerun-if-env-changed=TS_VERSION");
  println!(    "cargo:rustc-env=DENO_CONSOLE_LIB_PATH={}",    deno_console::get_declaration().display()  );  println!(    "cargo:rustc-env=DENO_URL_LIB_PATH={}",    deno_url::get_declaration().display()  );  println!(    "cargo:rustc-env=DENO_WEB_LIB_PATH={}",    deno_web::get_declaration().display()  );  println!(    "cargo:rustc-env=DENO_FETCH_LIB_PATH={}",    deno_fetch::get_declaration().display()  );  println!(    "cargo:rustc-env=DENO_WEBGPU_LIB_PATH={}",    deno_webgpu_get_declaration().display()  );  println!(    "cargo:rustc-env=DENO_WEBSOCKET_LIB_PATH={}",    deno_websocket::get_declaration().display()  );  println!(    "cargo:rustc-env=DENO_WEBSTORAGE_LIB_PATH={}",    deno_webstorage::get_declaration().display()  );  println!(    "cargo:rustc-env=DENO_CRYPTO_LIB_PATH={}",    deno_crypto::get_declaration().display()  );  println!(    "cargo:rustc-env=DENO_BROADCAST_CHANNEL_LIB_PATH={}",    deno_broadcast_channel::get_declaration().display()  );  println!(    "cargo:rustc-env=DENO_NET_LIB_PATH={}",    deno_net::get_declaration().display()  );
  #[cfg(target_os = "windows")]  {    let mut res = winres::WindowsResource::new();    res.set_icon("deno.ico");    res.set_language(winapi::um::winnt::MAKELANGID(      winapi::um::winnt::LANG_ENGLISH,      winapi::um::winnt::SUBLANG_ENGLISH_US,    ));    res.compile().unwrap();  }}
fn deno_webgpu_get_declaration() -> PathBuf {  let manifest_dir = Path::new(env!("CARGO_MANIFEST_DIR"));  manifest_dir.join("dts").join("lib.deno_webgpu.d.ts")}
fn git_commit_hash() -> String {  if let Ok(output) = std::process::Command::new("git")    .arg("rev-list")    .arg("-1")    .arg("HEAD")    .output()  {    if output.status.success() {      std::str::from_utf8(&output.stdout[..40])        .unwrap()        .to_string()    } else {      // When not in git repository      // (e.g. when the user install by `cargo install deno`)      "UNKNOWN".to_string()    }  } else {    // When there is no git command for some reason    "UNKNOWN".to_string()  }}
fn ts_version() -> String {  std::fs::read_to_string("tsc/00_typescript.js")    .unwrap()    .lines()    .find(|l| l.contains("ts.version = "))    .expect(      "Failed to find the pattern `ts.version = ` in typescript source code",    )    .chars()    .skip_while(|c| !char::is_numeric(*c))    .take_while(|c| *c != '"')    .collect::<String>()}