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denoland-deno/cli/tools/upgrade.rs
2022-06-30 14:12:32 -04:00

314 lines
9 KiB
Rust

// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
//! This module provides feature to upgrade deno executable
use crate::args::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(())
}