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Use compiletest timestamp to check if the tests should be rerun. #56680

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Merged
merged 3 commits into from
Dec 22, 2018
Merged

Use compiletest timestamp to check if the tests should be rerun. #56680

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91bfbb9
Use compiletest timestamp to check if the tests should be rerun.
vakaras Dec 10, 2018
ecf8df5
Address the pull request review comments.
vakaras Dec 13, 2018
d966e57
Fix Cargo.lock.
vakaras Dec 17, 2018
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1 change: 1 addition & 0 deletions Cargo.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -431,6 +431,7 @@ dependencies = [
"serde 1.0.81 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_derive 1.0.81 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_json 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
"walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
]

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1 change: 1 addition & 0 deletions src/tools/compiletest/Cargo.toml
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Expand Up @@ -15,6 +15,7 @@ serde_json = "1.0"
serde_derive = "1.0"
rustfix = "0.4.1"
lazy_static = "1.0"
walkdir = "2"

[target.'cfg(unix)'.dependencies]
libc = "0.2"
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25 changes: 15 additions & 10 deletions src/tools/compiletest/src/main.rs
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Expand Up @@ -28,6 +28,7 @@ extern crate serde_derive;
extern crate serde_json;
extern crate test;
extern crate rustfix;
extern crate walkdir;

use common::CompareMode;
use common::{expected_output_path, output_base_dir, output_relative_path, UI_EXTENSIONS};
Expand All @@ -43,6 +44,7 @@ use std::path::{Path, PathBuf};
use std::process::Command;
use test::ColorConfig;
use util::logv;
use walkdir::WalkDir;

use self::header::{EarlyProps, Ignore};

Expand Down Expand Up @@ -682,6 +684,15 @@ fn stamp(config: &Config, testpaths: &TestPaths, revision: Option<&str>) -> Path
output_base_dir(config, testpaths, revision).join("stamp")
}

/// Return an iterator over timestamps of files in the directory at `path`.
fn collect_timestamps(path: &PathBuf) -> impl Iterator<Item=FileTime> {
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@nagisa Is this the refactoring you had in mind?

WalkDir::new(path)
.into_iter()
.map(|entry| entry.unwrap())
.filter(|entry| entry.metadata().unwrap().is_file())
.map(|entry| mtime(entry.path()))
}

fn up_to_date(
config: &Config,
testpaths: &TestPaths,
Expand Down Expand Up @@ -725,16 +736,7 @@ fn up_to_date(
for pretty_printer_file in &pretty_printer_files {
inputs.push(mtime(&rust_src_dir.join(pretty_printer_file)));
}
let mut entries = config.run_lib_path.read_dir().unwrap().collect::<Vec<_>>();
while let Some(entry) = entries.pop() {
let entry = entry.unwrap();
let path = entry.path();
if entry.metadata().unwrap().is_file() {
inputs.push(mtime(&path));
} else {
entries.extend(path.read_dir().unwrap());
}
}
inputs.extend(collect_timestamps(&config.run_lib_path));
if let Some(ref rustdoc_path) = config.rustdoc_path {
inputs.push(mtime(&rustdoc_path));
inputs.push(mtime(&rust_src_dir.join("src/etc/htmldocck.py")));
Expand All @@ -746,6 +748,9 @@ fn up_to_date(
inputs.push(mtime(path));
}

// Compiletest itself.
inputs.extend(collect_timestamps(&rust_src_dir.join("src/tools/compiletest/")));

inputs.iter().any(|input| *input > stamp)
}

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