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Auto merge of #26599 - richo:richo-stage-info, r=brson

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This will add information about the stage that a rustc was built with to the verbose version info

I have symlinks into $(HOST)/stage{0,1,2} into the rust version switcher thing I use, and occasionally need to know which stage a given rustc is.
This commit is contained in:
bors 2015-07-06 22:55:07 +00:00
commit 6d71ce5364
1 changed files with 14 additions and 0 deletions
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14
src/librustc_driver/lib.rs
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@ -481,6 +481,17 @@ pub fn commit_date_str() -> Option<&'static str> {
option_env!("CFG_VER_DATE")
}
/// Returns a stage string, such as "stage0".
pub fn stage_str() -> Option<&'static str> {
if cfg!(stage0) {
Some("stage0")
} else if cfg!(stage1) {
Some("stage1")
} else {
None
}
}
/// Prints version information
pub fn version(binary: &str, matches: &getopts::Matches) {
let verbose = matches.opt_present("verbose");
@ -493,6 +504,9 @@ pub fn version(binary: &str, matches: &getopts::Matches) {
println!("commit-date: {}", unw(commit_date_str()));
println!("host: {}", config::host_triple());
println!("release: {}", unw(release_str()));
if let Some(stage) = stage_str() {
println!("stage: {}", stage);
}
}
}