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x/deno/cli/tools/upgrade.rs

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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
//! This module provides feature to upgrade deno executable
use crate::flags::UpgradeFlags;use deno_core::anyhow::bail;use deno_core::error::AnyError;use deno_core::futures::StreamExt;use deno_runtime::deno_fetch::reqwest;use deno_runtime::deno_fetch::reqwest::Client;use once_cell::sync::Lazy;use semver_parser::version::parse as semver_parse;use std::env;use std::fs;use std::io::Write;use std::path::Path;use std::path::PathBuf;use std::process::Command;
static ARCHIVE_NAME: Lazy<String> = Lazy::new(|| format!("deno-{}.zip", env!("TARGET")));
const RELEASE_URL: &str = "https://github.com/denoland/deno/releases";
pub async fn upgrade(upgrade_flags: UpgradeFlags) -> Result<(), AnyError> { let old_exe_path = std::env::current_exe()?; let permissions = fs::metadata(&old_exe_path)?.permissions();
if permissions.readonly() { bail!("You do not have write permission to {:?}", old_exe_path); }
let mut client_builder = Client::builder();
// If we have been provided a CA Certificate, add it into the HTTP client let ca_file = upgrade_flags.ca_file.or_else(|| env::var("DENO_CERT").ok()); if let Some(ca_file) = ca_file { let buf = std::fs::read(ca_file)?; let cert = reqwest::Certificate::from_pem(&buf)?; client_builder = client_builder.add_root_certificate(cert); }
let client = client_builder.build()?;
let install_version = match upgrade_flags.version { Some(passed_version) => { if upgrade_flags.canary && !regex::Regex::new("^[0-9a-f]{40}$")?.is_match(&passed_version) { bail!("Invalid commit hash passed"); } else if !upgrade_flags.canary && semver_parse(&passed_version).is_err() { bail!("Invalid semver passed"); }
let current_is_passed = if upgrade_flags.canary { crate::version::GIT_COMMIT_HASH == passed_version } else if !crate::version::is_canary() { crate::version::deno() == passed_version } else { false };
if !upgrade_flags.force && upgrade_flags.output.is_none() && current_is_passed { println!("Version {} is already installed", crate::version::deno()); return Ok(()); } else { passed_version } } None => { let latest_version = if upgrade_flags.canary { get_latest_canary_version(&client).await? } else { get_latest_release_version(&client).await? };
let current_is_most_recent = if upgrade_flags.canary { let mut latest_hash = latest_version.clone(); latest_hash.truncate(7); crate::version::GIT_COMMIT_HASH == latest_hash } else if !crate::version::is_canary() { let current = semver_parse(&crate::version::deno()).unwrap(); let latest = semver_parse(&latest_version).unwrap(); current >= latest } else { false };
if !upgrade_flags.force && upgrade_flags.output.is_none() && current_is_most_recent { println!( "Local deno version {} is the most recent release", crate::version::deno() ); return Ok(()); } else { println!("Found latest version {}", latest_version); latest_version } } };
let download_url = if upgrade_flags.canary { format!( "https://dl.deno.land/canary/{}/{}", install_version, *ARCHIVE_NAME ) } else { format!( "{}/download/v{}/{}", RELEASE_URL, install_version, *ARCHIVE_NAME ) };
let archive_data = download_package(client, &download_url).await?;
println!("Deno is upgrading to version {}", &install_version);
let new_exe_path = unpack(archive_data, cfg!(windows))?; fs::set_permissions(&new_exe_path, permissions)?; check_exe(&new_exe_path)?;
if !upgrade_flags.dry_run { match upgrade_flags.output { Some(path) => { fs::rename(&new_exe_path, &path) .or_else(|_| fs::copy(&new_exe_path, &path).map(|_| ()))?; } None => replace_exe(&new_exe_path, &old_exe_path)?, } }
println!("Upgraded successfully");
Ok(())}
async fn get_latest_release_version( client: &Client,) -> Result<String, AnyError> { println!("Looking up latest version");
let res = client .get(&format!("{}/latest", RELEASE_URL)) .send() .await?; let version = res.url().path_segments().unwrap().last().unwrap();
Ok(version.replace('v', ""))}
async fn get_latest_canary_version( client: &Client,) -> Result<String, AnyError> { println!("Looking up latest version");
let res = client .get("https://dl.deno.land/canary-latest.txt") .send() .await?; let version = res.text().await?.trim().to_string();
Ok(version)}
async fn download_package( client: Client, download_url: &str,) -> Result<Vec<u8>, AnyError> { println!("Checking {}", &download_url);
let res = client.get(download_url).send().await?;
if res.status().is_success() { let total_size = res.content_length().unwrap() as f64; let mut current_size = 0.0; let mut data = Vec::with_capacity(total_size as usize); let mut stream = res.bytes_stream(); let mut skip_print = 0; let is_tty = atty::is(atty::Stream::Stdout); const MEBIBYTE: f64 = 1024.0 * 1024.0; while let Some(item) = stream.next().await { let bytes = item?; current_size += bytes.len() as f64; data.extend_from_slice(&bytes); if skip_print == 0 { if is_tty { print!("\u{001b}[1G\u{001b}[2K"); } print!( "{:>4.1} MiB / {:.1} MiB ({:^5.1}%)", current_size / MEBIBYTE, total_size / MEBIBYTE, (current_size / total_size) * 100.0, ); std::io::stdout().flush()?; skip_print = 10; } else { skip_print -= 1; } } if is_tty { print!("\u{001b}[1G\u{001b}[2K"); } println!( "{:.1} MiB / {:.1} MiB (100.0%)", current_size / MEBIBYTE, total_size / MEBIBYTE );
Ok(data) } else { println!("Download could not be found, aborting"); std::process::exit(1) }}
pub fn unpack( archive_data: Vec<u8>, is_windows: bool,) -> Result<PathBuf, std::io::Error> { const EXE_NAME: &str = "deno"; // We use into_path so that the tempdir is not automatically deleted. This is // useful for debugging upgrade, but also so this function can return a path // to the newly uncompressed file without fear of the tempdir being deleted. let temp_dir = secure_tempfile::TempDir::new()?.into_path(); let exe_ext = if is_windows { "exe" } else { "" }; let archive_path = temp_dir.join(EXE_NAME).with_extension("zip"); let exe_path = temp_dir.join(EXE_NAME).with_extension(exe_ext); assert!(!exe_path.exists());
let archive_ext = Path::new(&*ARCHIVE_NAME) .extension() .and_then(|ext| ext.to_str()) .unwrap(); let unpack_status = match archive_ext { "zip" if cfg!(windows) => { fs::write(&archive_path, &archive_data)?; Command::new("powershell.exe") .arg("-NoLogo") .arg("-NoProfile") .arg("-NonInteractive") .arg("-Command") .arg( "& { param($Path, $DestinationPath) trap { $host.ui.WriteErrorLine($_.Exception); exit 1 } Add-Type -AssemblyName System.IO.Compression.FileSystem [System.IO.Compression.ZipFile]::ExtractToDirectory( $Path, $DestinationPath ); }", ) .arg("-Path") .arg(format!("'{}'", &archive_path.to_str().unwrap())) .arg("-DestinationPath") .arg(format!("'{}'", &temp_dir.to_str().unwrap())) .spawn()? .wait()? } "zip" => { fs::write(&archive_path, &archive_data)?; Command::new("unzip") .current_dir(&temp_dir) .arg(archive_path) .spawn() .map_err(|err| { if err.kind() == std::io::ErrorKind::NotFound { std::io::Error::new( std::io::ErrorKind::NotFound, "`unzip` was not found on your PATH, please install `unzip`", ) } else { err } })? .wait()? } ext => panic!("Unsupported archive type: '{}'", ext), }; assert!(unpack_status.success()); assert!(exe_path.exists()); Ok(exe_path)}
fn replace_exe(new: &Path, old: &Path) -> Result<(), std::io::Error> { if cfg!(windows) { // On windows you cannot replace the currently running executable. // so first we rename it to deno.old.exe fs::rename(old, old.with_extension("old.exe"))?; } else { fs::remove_file(old)?; } // Windows cannot rename files across device boundaries, so if rename fails, // we try again with copy. fs::rename(new, old).or_else(|_| fs::copy(new, old).map(|_| ()))?; Ok(())}
fn check_exe(exe_path: &Path) -> Result<(), AnyError> { let output = Command::new(exe_path) .arg("-V") .stderr(std::process::Stdio::inherit()) .output()?; assert!(output.status.success()); Ok(())}