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|
//! ref: composer/src/Composer/SelfUpdate/Versions.php
use crate::config::Config;
use crate::io::IOInterface;
use crate::util::HttpDownloader;
use indexmap::IndexMap;
use shirabe_external_packages::composer::pcre::Preg;
use shirabe_php_shim::{
InvalidArgumentException, PHP_EOL, PHP_VERSION, PHP_VERSION_ID, PhpMixed,
UnexpectedValueException,
};
pub struct Versions {
pub channels: Vec<String>,
http_downloader: std::rc::Rc<std::cell::RefCell<HttpDownloader>>,
config: std::rc::Rc<std::cell::RefCell<Config>>,
channel: Option<String>,
versions_data: Option<PhpMixed>,
}
impl std::fmt::Debug for Versions {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Versions")
.field("channel", &self.channel)
.finish()
}
}
impl Versions {
pub const CHANNELS: &'static [&'static str] =
&["stable", "preview", "snapshot", "1", "2", "2.2"];
pub fn new(
config: std::rc::Rc<std::cell::RefCell<Config>>,
http_downloader: std::rc::Rc<std::cell::RefCell<HttpDownloader>>,
) -> Self {
Self {
channels: Self::CHANNELS.iter().map(|s| s.to_string()).collect(),
http_downloader,
config,
channel: None,
versions_data: None,
}
}
pub fn get_channel(&mut self) -> anyhow::Result<String> {
if let Some(ref ch) = self.channel {
return Ok(ch.clone());
}
let channel_file = format!(
"{}/update-channel",
self.config
.borrow_mut()
.get("home")
.as_string()
.unwrap_or("")
);
if std::path::Path::new(&channel_file).exists() {
let channel = std::fs::read_to_string(&channel_file)?.trim().to_string();
if ["stable", "preview", "snapshot", "2.2"].contains(&channel.as_str()) {
self.channel = Some(channel.clone());
return Ok(channel);
}
}
self.channel = Some("stable".to_string());
Ok("stable".to_string())
}
pub fn set_channel(
&mut self,
channel: String,
io: Option<&dyn IOInterface>,
) -> anyhow::Result<Result<(), InvalidArgumentException>> {
if !Self::CHANNELS.contains(&channel.as_str()) {
return Ok(Err(InvalidArgumentException {
message: format!(
"Invalid channel {}, must be one of: {}",
channel,
Self::CHANNELS.join(", ")
),
code: 0,
}));
}
let channel_file = format!(
"{}/update-channel",
self.config
.borrow_mut()
.get("home")
.as_string()
.unwrap_or("")
);
self.channel = Some(channel.clone());
// rewrite '2' and '1' channels to stable for future self-updates, but LTS ones like '2.2' remain pinned
let stored_channel = if Preg::is_match(r"^\d+$", &channel)? {
"stable".to_string()
} else {
channel.clone()
};
let previously_stored: Option<String> = if std::path::Path::new(&channel_file).exists() {
Some(std::fs::read_to_string(&channel_file)?.trim().to_string())
} else {
None
};
std::fs::write(&channel_file, format!("{}{}", stored_channel, PHP_EOL))?;
if let Some(io) = io {
if previously_stored.as_deref() != Some(&stored_channel) {
io.write_error(&format!(
"Storing \"<info>{}</info>\" as default update channel for the next self-update run.",
stored_channel
));
}
}
Ok(Ok(()))
}
pub fn get_latest(
&mut self,
channel: Option<&str>,
) -> anyhow::Result<Result<IndexMap<String, PhpMixed>, UnexpectedValueException>> {
let versions = self.get_versions_data()?;
let effective_channel = match channel {
Some(c) => c.to_string(),
None => self.get_channel()?,
};
if let PhpMixed::Array(ref map) = versions {
if let Some(channel_versions) = map.get(&effective_channel) {
if let PhpMixed::List(ref list) = **channel_versions {
for version in list {
if let PhpMixed::Array(ref v) = **version {
let min_php = v.get("min-php").and_then(|p| p.as_int()).unwrap_or(0);
if min_php <= PHP_VERSION_ID {
return Ok(Ok(v
.iter()
.map(|(k, val)| (k.clone(), *val.clone()))
.collect()));
}
}
}
}
}
}
Ok(Err(UnexpectedValueException {
message: format!(
"There is no version of Composer available for your PHP version ({})",
PHP_VERSION
),
code: 0,
}))
}
fn get_versions_data(&mut self) -> anyhow::Result<PhpMixed> {
if self.versions_data.is_none() {
let protocol = if self.config.borrow_mut().get("disable-tls").as_bool() == Some(true) {
"http"
} else {
"https"
};
self.versions_data = Some(
self.http_downloader
.borrow_mut()
.get(
&format!("{}://getcomposer.org/versions", protocol),
IndexMap::new(),
)?
.decode_json()?,
);
}
Ok(self.versions_data.clone().unwrap())
}
}
|
