| //! Build configuration for Rust's release channels. |
| //! |
| //! Implements the stable/beta/nightly channel distinctions by setting various |
| //! flags like the `unstable_features`, calculating variables like `release` and |
| //! `package_vers`, and otherwise indicating to the compiler what it should |
| //! print out as part of its version information. |
| |
| use std::path::Path; |
| use std::process::Command; |
| |
| use build_helper::output; |
| |
| use crate::Build; |
| |
| // The version number |
| pub const CFG_RELEASE_NUM: &str = "1.39.0"; |
| |
| pub struct GitInfo { |
| inner: Option<Info>, |
| } |
| |
| struct Info { |
| commit_date: String, |
| sha: String, |
| short_sha: String, |
| } |
| |
| impl GitInfo { |
| pub fn new(ignore_git: bool, dir: &Path) -> GitInfo { |
| // See if this even begins to look like a git dir |
| if ignore_git || !dir.join(".git").exists() { |
| return GitInfo { inner: None } |
| } |
| |
| // Make sure git commands work |
| match Command::new("git") |
| .arg("rev-parse") |
| .current_dir(dir) |
| .output() |
| { |
| Ok(ref out) if out.status.success() => {} |
| _ => return GitInfo { inner: None }, |
| } |
| |
| // Ok, let's scrape some info |
| let ver_date = output(Command::new("git").current_dir(dir) |
| .arg("log").arg("-1") |
| .arg("--date=short") |
| .arg("--pretty=format:%cd")); |
| let ver_hash = output(Command::new("git").current_dir(dir) |
| .arg("rev-parse").arg("HEAD")); |
| let short_ver_hash = output(Command::new("git") |
| .current_dir(dir) |
| .arg("rev-parse") |
| .arg("--short=9") |
| .arg("HEAD")); |
| GitInfo { |
| inner: Some(Info { |
| commit_date: ver_date.trim().to_string(), |
| sha: ver_hash.trim().to_string(), |
| short_sha: short_ver_hash.trim().to_string(), |
| }), |
| } |
| } |
| |
| pub fn sha(&self) -> Option<&str> { |
| self.inner.as_ref().map(|s| &s.sha[..]) |
| } |
| |
| pub fn sha_short(&self) -> Option<&str> { |
| self.inner.as_ref().map(|s| &s.short_sha[..]) |
| } |
| |
| pub fn commit_date(&self) -> Option<&str> { |
| self.inner.as_ref().map(|s| &s.commit_date[..]) |
| } |
| |
| pub fn version(&self, build: &Build, num: &str) -> String { |
| let mut version = build.release(num); |
| if let Some(ref inner) = self.inner { |
| version.push_str(" ("); |
| version.push_str(&inner.short_sha); |
| version.push_str(" "); |
| version.push_str(&inner.commit_date); |
| version.push_str(")"); |
| } |
| version |
| } |
| |
| pub fn is_git(&self) -> bool { |
| self.inner.is_some() |
| } |
| } |