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Ignore untracked paths when running rustfmt on repository. #69527

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merged 1 commit into from
Feb 28, 2020
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Ignore untracked paths when running rustfmt on repository. #69527

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13 changes: 12 additions & 1 deletion src/bootstrap/format.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
//! Runs rustfmt on the repository.

use crate::Build;
use build_helper::t;
use build_helper::{output, t};
use ignore::WalkBuilder;
use std::path::Path;
use std::process::Command;
Expand Down Expand Up @@ -53,6 +53,17 @@ pub fn format(build: &Build, check: bool) {
for ignore in rustfmt_config.ignore {
ignore_fmt.add(&format!("!{}", ignore)).expect(&ignore);
}
let untracked_paths_output = output(
Command::new("git").arg("status").arg("--porcelain").arg("--untracked-files=normal"),
);
let untracked_paths = untracked_paths_output
.lines()
.filter(|entry| entry.starts_with("??"))
.map(|entry| entry.split(" ").nth(1).expect("every git status entry should list a path"));
for untracked_path in untracked_paths {
eprintln!("skip untracked path {} during rustfmt invocations", untracked_path);
ignore_fmt.add(&format!("!{}", untracked_path)).expect(&untracked_path);
}
let ignore_fmt = ignore_fmt.build().unwrap();

let rustfmt_path = build.config.initial_rustfmt.as_ref().unwrap_or_else(|| {
Expand Down