From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- vendor/rustversion/build/build.rs | 53 ++++++++++++++++++ vendor/rustversion/build/rustc.rs | 112 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 165 insertions(+) create mode 100644 vendor/rustversion/build/build.rs create mode 100644 vendor/rustversion/build/rustc.rs (limited to 'vendor/rustversion/build') diff --git a/vendor/rustversion/build/build.rs b/vendor/rustversion/build/build.rs new file mode 100644 index 000000000..15312510d --- /dev/null +++ b/vendor/rustversion/build/build.rs @@ -0,0 +1,53 @@ +#![allow( + clippy::enum_glob_use, + clippy::must_use_candidate, + clippy::single_match_else +)] + +mod rustc; + +use std::env; +use std::ffi::OsString; +use std::fs; +use std::path::Path; +use std::process::{self, Command}; + +fn main() { + let rustc = env::var_os("RUSTC").unwrap_or_else(|| OsString::from("rustc")); + let output = match Command::new(&rustc).arg("--version").output() { + Ok(output) => output, + Err(e) => { + let rustc = rustc.to_string_lossy(); + eprintln!("Error: failed to run `{} --version`: {}", rustc, e); + process::exit(1); + } + }; + + let string = match String::from_utf8(output.stdout) { + Ok(string) => string, + Err(e) => { + let rustc = rustc.to_string_lossy(); + eprintln!( + "Error: failed to parse output of `{} --version`: {}", + rustc, e, + ); + process::exit(1); + } + }; + + let version = match rustc::parse(&string) { + Some(version) => format!("{:#?}\n", version), + None => { + eprintln!( + "Error: unexpected output from `rustc --version`: {:?}\n\n\ + Please file an issue in https://github.com/dtolnay/rustversion", + string + ); + process::exit(1); + } + }; + + let out_dir = env::var_os("OUT_DIR").expect("OUT_DIR not set"); + let out_file = Path::new(&out_dir).join("version.rs"); + fs::write(out_file, version).expect("failed to write version.rs"); +} diff --git a/vendor/rustversion/build/rustc.rs b/vendor/rustversion/build/rustc.rs new file mode 100644 index 000000000..dfc6a0516 --- /dev/null +++ b/vendor/rustversion/build/rustc.rs @@ -0,0 +1,112 @@ +use self::Channel::*; +use std::fmt::{self, Debug}; + +#[cfg_attr(test, derive(PartialEq))] +pub struct Version { + pub minor: u16, + pub patch: u16, + pub channel: Channel, +} + +#[cfg_attr(test, derive(PartialEq))] +pub enum Channel { + Stable, + Beta, + Nightly(Date), + Dev, +} + +#[cfg_attr(test, derive(PartialEq))] +pub struct Date { + pub year: u16, + pub month: u8, + pub day: u8, +} + +pub fn parse(string: &str) -> Option { + let last_line = string.lines().last().unwrap_or(&string); + let mut words = last_line.trim().split(' '); + + if words.next()? != "rustc" { + return None; + } + + let mut version_channel = words.next()?.split('-'); + let version = version_channel.next()?; + let channel = version_channel.next(); + + let mut digits = version.split('.'); + let major = digits.next()?; + if major != "1" { + return None; + } + let minor = digits.next()?.parse().ok()?; + let patch = digits.next().unwrap_or("0").parse().ok()?; + + let channel = match channel { + None => Stable, + Some(channel) if channel == "dev" => Dev, + Some(channel) if channel.starts_with("beta") => Beta, + Some(channel) if channel == "nightly" => match words.next() { + Some(hash) if hash.starts_with('(') => match words.next() { + None if hash.ends_with(')') => Dev, + Some(date) if date.ends_with(')') => { + let mut date = date[..date.len() - 1].split('-'); + let year = date.next()?.parse().ok()?; + let month = date.next()?.parse().ok()?; + let day = date.next()?.parse().ok()?; + match date.next() { + None => Nightly(Date { year, month, day }), + Some(_) => return None, + } + } + None | Some(_) => return None, + }, + Some(_) => return None, + None => Dev, + }, + Some(_) => return None, + }; + + Some(Version { + minor, + patch, + channel, + }) +} + +impl Debug for Version { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter + .debug_struct("crate::version::Version") + .field("minor", &self.minor) + .field("patch", &self.patch) + .field("channel", &self.channel) + .finish() + } +} + +impl Debug for Channel { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + match self { + Channel::Stable => formatter.write_str("crate::version::Channel::Stable"), + Channel::Beta => formatter.write_str("crate::version::Channel::Beta"), + Channel::Nightly(date) => formatter + .debug_tuple("crate::version::Channel::Nightly") + .field(date) + .finish(), + Channel::Dev => formatter.write_str("crate::version::Channel::Dev"), + } + } +} + +impl Debug for Date { + fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result { + formatter + .debug_struct("crate::date::Date") + .field("year", &self.year) + .field("month", &self.month) + .field("day", &self.day) + .finish() + } +} -- cgit v1.2.3