110 lines
3.6 KiB
Rust
110 lines
3.6 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Build configuration for Rust's release channels.
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//!
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//! Implements the stable/beta/nightly channel distinctions by setting various
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//! flags like the `unstable_features`, calculating variables like `release` and
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//! `package_vers`, and otherwise indicating to the compiler what it should
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//! print out as part of its version information.
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use std::path::Path;
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use std::process::Command;
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use build_helper::output;
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use Build;
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use config::Config;
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// The version number
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pub const CFG_RELEASE_NUM: &str = "1.24.0";
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// An optional number to put after the label, e.g. '.2' -> '-beta.2'
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// Be sure to make this starts with a dot to conform to semver pre-release
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// versions (section 9)
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pub const CFG_PRERELEASE_VERSION: &str = ".1";
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pub struct GitInfo {
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inner: Option<Info>,
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}
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struct Info {
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commit_date: String,
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sha: String,
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short_sha: String,
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}
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impl GitInfo {
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pub fn new(config: &Config, dir: &Path) -> GitInfo {
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// See if this even begins to look like a git dir
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if config.ignore_git || !dir.join(".git").exists() {
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return GitInfo { inner: None }
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}
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// Make sure git commands work
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let out = Command::new("git")
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.arg("rev-parse")
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.current_dir(dir)
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.output()
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.expect("failed to spawn git");
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if !out.status.success() {
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return GitInfo { inner: None }
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}
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// Ok, let's scrape some info
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let ver_date = output(Command::new("git").current_dir(dir)
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.arg("log").arg("-1")
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.arg("--date=short")
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.arg("--pretty=format:%cd"));
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let ver_hash = output(Command::new("git").current_dir(dir)
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.arg("rev-parse").arg("HEAD"));
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let short_ver_hash = output(Command::new("git")
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.current_dir(dir)
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.arg("rev-parse")
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.arg("--short=9")
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.arg("HEAD"));
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GitInfo {
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inner: Some(Info {
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commit_date: ver_date.trim().to_string(),
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sha: ver_hash.trim().to_string(),
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short_sha: short_ver_hash.trim().to_string(),
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}),
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}
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}
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pub fn sha(&self) -> Option<&str> {
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self.inner.as_ref().map(|s| &s.sha[..])
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}
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pub fn sha_short(&self) -> Option<&str> {
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self.inner.as_ref().map(|s| &s.short_sha[..])
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}
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pub fn commit_date(&self) -> Option<&str> {
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self.inner.as_ref().map(|s| &s.commit_date[..])
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}
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pub fn version(&self, build: &Build, num: &str) -> String {
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let mut version = build.release(num);
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if let Some(ref inner) = self.inner {
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version.push_str(" (");
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version.push_str(&inner.short_sha);
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version.push_str(" ");
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version.push_str(&inner.commit_date);
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version.push_str(")");
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}
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version
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}
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pub fn is_git(&self) -> bool {
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self.inner.is_some()
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}
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}
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