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refactor(cli/tools/upgrade): rework upgrade (#8331)

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This commit does major overhaul of "upgrade" subcommand, 
reducing complexity & giving more sensible console output. 

Removes gz support for archives. 

Uses last part of url instead of scraping to get latest version.
This commit is contained in:
crowlKats 2020-11-22 16:07:05 +01:00 committed by GitHub
parent 7405356e23
commit 750f179aeb
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 57 additions and 122 deletions
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179
cli/tools/upgrade.rs
View file

@ -1,54 +1,23 @@
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
//! This module provides feature to upgrade deno executable
//!
//! At the moment it is only consumed using CLI but in
//! the future it can be easily extended to provide
//! the same functions as ops available in JS runtime.
use crate::http_util::fetch_once;
use crate::http_util::FetchOnceResult;
use crate::AnyError;
use deno_core::error::custom_error;
use deno_core::futures::FutureExt;
use deno_core::url::Url;
use deno_fetch::reqwest;
use deno_fetch::reqwest::redirect::Policy;
use deno_fetch::reqwest::Client;
use regex::Regex;
use semver_parser::version::parse as semver_parse;
use semver_parser::version::Version;
use std::fs;
use std::future::Future;
use std::io::prelude::*;
use std::path::Path;
use std::path::PathBuf;
use std::pin::Pin;
use std::process::Command;
use std::process::Stdio;
use std::string::String;
use tempfile::TempDir;
lazy_static! {
static ref ARCHIVE_NAME: String = format!("deno-{}.zip", env!("TARGET"));
}
async fn get_latest_version(client: &Client) -> Result<Version, AnyError> {
println!("Checking for latest version");
let body = client
.get(Url::parse(
"https://github.com/denoland/deno/releases/latest",
)?)
.send()
.await?
.text()
.await?;
let v = find_version(&body)?;
Ok(semver_parse(&v).unwrap())
}
const RELEASE_URL: &str = "https://github.com/denoland/deno/releases";
/// Asynchronously updates deno executable to greatest version
/// if greatest version is available.
pub async fn upgrade_command(
dry_run: bool,
force: bool,
@ -56,55 +25,55 @@ pub async fn upgrade_command(
output: Option<PathBuf>,
ca_file: Option<String>,
) -> Result<(), AnyError> {
let mut client_builder = Client::builder().redirect(Policy::none());
let mut client_builder = Client::builder();
// If we have been provided a CA Certificate, add it into the HTTP client
if let Some(ca_file) = ca_file {
let buf = std::fs::read(ca_file);
let cert = reqwest::Certificate::from_pem(&buf.unwrap())?;
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 current_version = semver_parse(crate::version::DENO).unwrap();
let install_version = match version {
Some(passed_version) => match semver_parse(&passed_version) {
Ok(ver) => {
if !force && current_version == ver {
println!("Version {} is already installed", &ver);
return Ok(());
} else {
ver
}
Some(passed_version) => {
if !force && output.is_none() && crate::version::DENO == passed_version {
println!("Version {} is already installed", passed_version);
return Ok(());
} else {
passed_version
}
Err(_) => {
eprintln!("Invalid semver passed");
std::process::exit(1)
}
},
}
None => {
let latest_version = get_latest_version(&client).await?;
if !force && current_version >= latest_version {
let current = semver_parse(crate::version::DENO).unwrap();
let latest = match semver_parse(&latest_version) {
Ok(v) => v,
Err(_) => {
eprintln!("Invalid semver passed");
std::process::exit(1)
}
};
if !force && output.is_none() && current >= latest {
println!(
"Local deno version {} is the most recent release",
&crate::version::DENO
crate::version::DENO
);
return Ok(());
} else {
println!("Found latest version {}", &latest_version);
latest_version
}
}
};
let archive_data = download_package(
&compose_url_to_exec(&install_version)?,
client,
&install_version,
)
.await?;
let archive_data = download_package(client, &install_version).await?;
println!("Deno is upgrading to version {}", &install_version);
let old_exe_path = std::env::current_exe()?;
let new_exe_path = unpack(archive_data)?;
let permissions = fs::metadata(&old_exe_path)?.permissions();
@ -121,58 +90,43 @@ pub async fn upgrade_command(
}
}
println!("Upgrade done successfully");
println!("Upgraded successfully");
Ok(())
}
fn download_package(
url: &Url,
async fn get_latest_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 download_package(
client: Client,
version: &Version,
) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, AnyError>>>> {
println!("downloading {}", url);
let url = url.clone();
let version = version.clone();
let fut = async move {
match fetch_once(client.clone(), &url, None).await {
Ok(result) => {
println!(
"Version has been found\nDeno is upgrading to version {}",
&version
);
match result {
FetchOnceResult::Code(source, _) => Ok(source),
FetchOnceResult::NotModified => unreachable!(),
FetchOnceResult::Redirect(_url, _) => {
download_package(&_url, client, &version).await
}
}
}
Err(_) => {
println!("Version has not been found, aborting");
std::process::exit(1)
}
}
};
fut.boxed_local()
}
fn compose_url_to_exec(version: &Version) -> Result<Url, AnyError> {
let s = format!(
"https://github.com/denoland/deno/releases/download/v{}/{}",
version, *ARCHIVE_NAME
install_version: &str,
) -> Result<Vec<u8>, AnyError> {
let download_url = format!(
"{}/download/v{}/{}",
RELEASE_URL, install_version, *ARCHIVE_NAME
);
Url::parse(&s).map_err(AnyError::from)
}
fn find_version(text: &str) -> Result<String, AnyError> {
let re = Regex::new(r#"v([^\?]+)?""#)?;
if let Some(_mat) = re.find(text) {
let mat = _mat.as_str();
return Ok(mat[1..mat.len() - 1].to_string());
println!("Checking {}", &download_url);
let res = client.get(&download_url).send().await?;
if res.status().is_success() {
println!("Download has been found");
Ok(res.bytes().await?.to_vec())
} else {
println!("Download could not be found, aborting");
std::process::exit(1)
}
Err(custom_error("NotFound", "Cannot read latest tag version"))
}
fn unpack(archive_data: Vec<u8>) -> Result<PathBuf, std::io::Error> {
@ -189,16 +143,6 @@ fn unpack(archive_data: Vec<u8>) -> Result<PathBuf, std::io::Error> {
.and_then(|ext| ext.to_str())
.unwrap();
let unpack_status = match archive_ext {
"gz" => {
let exe_file = fs::File::create(&exe_path)?;
let mut cmd = Command::new("gunzip")
.arg("-c")
.stdin(Stdio::piped())
.stdout(Stdio::from(exe_file))
.spawn()?;
cmd.stdin.as_mut().unwrap().write_all(&archive_data)?;
cmd.wait()?
}
"zip" if cfg!(windows) => {
let archive_path = temp_dir.join("deno.zip");
fs::write(&archive_path, &archive_data)?;
@ -255,10 +199,7 @@ fn replace_exe(new: &Path, old: &Path) -> Result<(), std::io::Error> {
Ok(())
}
fn check_exe(
exe_path: &Path,
expected_version: &Version,
) -> Result<(), AnyError> {
fn check_exe(exe_path: &Path, expected_version: &str) -> Result<(), AnyError> {
let output = Command::new(exe_path)
.arg("-V")
.stderr(std::process::Stdio::inherit())
@ -268,9 +209,3 @@ fn check_exe(
assert_eq!(stdout.trim(), format!("deno {}", expected_version));
Ok(())
}
#[test]
fn test_find_version() {
let url = "<html><body>You are being <a href=\"https://github.com/denoland/deno/releases/tag/v0.36.0\">redirected</a>.</body></html>";
assert_eq!(find_version(url).unwrap(), "0.36.0".to_string());
}