1 mod progress;
2
3 use self::progress::Progress;
4 use anyhow::Result;
5 use flate2::read::GzDecoder;
6 use std::fs;
7 use std::path::Path;
8 use tar::Archive;
9 use walkdir::DirEntry;
10
11 const REVISION: &str = "716394d6581b60c75cfdd88b8e5b876f2db88b62";
12
13 #[rustfmt::skip]
14 static EXCLUDE: &[&str] = &[
15 // Rustc loses some attributes
16 // https://github.com/rust-lang/rust/issues/84879
17 "src/test/ui/proc-macro/issue-81555.rs",
18
19 // Compile-fail expr parameter in const generic position: f::<1 + 2>()
20 "src/test/ui/const-generics/closing-args-token.rs",
21 "src/test/ui/const-generics/const-expression-parameter.rs",
22
23 // Deprecated anonymous parameter syntax in traits
24 "src/test/ui/issues/issue-13105.rs",
25 "src/test/ui/issues/issue-13775.rs",
26 "src/test/ui/issues/issue-34074.rs",
27 "src/test/ui/proc-macro/trait-fn-args-2015.rs",
28
29 // Not actually test cases
30 "src/test/rustdoc-ui/test-compile-fail2.rs",
31 "src/test/rustdoc-ui/test-compile-fail3.rs",
32 "src/test/ui/include-single-expr-helper.rs",
33 "src/test/ui/include-single-expr-helper-1.rs",
34 "src/test/ui/json-bom-plus-crlf-multifile-aux.rs",
35 "src/test/ui/lint/expansion-time-include.rs",
36 "src/test/ui/macros/auxiliary/macro-comma-support.rs",
37 "src/test/ui/macros/auxiliary/macro-include-items-expr.rs",
38 "src/test/ui/parser/auxiliary/issue-21146-inc.rs",
39 ];
40
base_dir_filter(entry: &DirEntry) -> bool41 pub fn base_dir_filter(entry: &DirEntry) -> bool {
42 let path = entry.path();
43 if path.is_dir() {
44 return true; // otherwise walkdir does not visit the files
45 }
46 if path.extension().map(|e| e != "rs").unwrap_or(true) {
47 return false;
48 }
49
50 let mut path_string = path.to_string_lossy();
51 if cfg!(windows) {
52 path_string = path_string.replace('\\', "/").into();
53 }
54 let path = if let Some(path) = path_string.strip_prefix("tests/rust/") {
55 path
56 } else {
57 panic!("unexpected path in Rust dist: {}", path_string);
58 };
59
60 if path.starts_with("src/test/compile-fail") || path.starts_with("src/test/rustfix") {
61 return false;
62 }
63
64 if path.starts_with("src/test/ui") {
65 let stderr_path = entry.path().with_extension("stderr");
66 if stderr_path.exists() {
67 // Expected to fail in some way
68 return false;
69 }
70 }
71
72 !EXCLUDE.contains(&path)
73 }
74
75 #[allow(dead_code)]
edition(path: &Path) -> &'static str76 pub fn edition(path: &Path) -> &'static str {
77 if path.ends_with("dyn-2015-no-warnings-without-lints.rs") {
78 "2015"
79 } else {
80 "2018"
81 }
82 }
83
clone_rust()84 pub fn clone_rust() {
85 let needs_clone = match fs::read_to_string("tests/rust/COMMIT") {
86 Err(_) => true,
87 Ok(contents) => contents.trim() != REVISION,
88 };
89 if needs_clone {
90 download_and_unpack().unwrap();
91 }
92 let mut missing = String::new();
93 let test_src = Path::new("tests/rust");
94 for exclude in EXCLUDE {
95 if !test_src.join(exclude).exists() {
96 missing += "\ntests/rust/";
97 missing += exclude;
98 }
99 }
100 if !missing.is_empty() {
101 panic!("excluded test file does not exist:{}\n", missing);
102 }
103 }
104
download_and_unpack() -> Result<()>105 fn download_and_unpack() -> Result<()> {
106 let url = format!(
107 "https://github.com/rust-lang/rust/archive/{}.tar.gz",
108 REVISION
109 );
110 let response = reqwest::blocking::get(&url)?.error_for_status()?;
111 let progress = Progress::new(response);
112 let decoder = GzDecoder::new(progress);
113 let mut archive = Archive::new(decoder);
114 let prefix = format!("rust-{}", REVISION);
115
116 let tests_rust = Path::new("tests/rust");
117 if tests_rust.exists() {
118 fs::remove_dir_all(tests_rust)?;
119 }
120
121 for entry in archive.entries()? {
122 let mut entry = entry?;
123 let path = entry.path()?;
124 if path == Path::new("pax_global_header") {
125 continue;
126 }
127 let relative = path.strip_prefix(&prefix)?;
128 let out = tests_rust.join(relative);
129 entry.unpack(&out)?;
130 }
131
132 fs::write("tests/rust/COMMIT", REVISION)?;
133 Ok(())
134 }
135