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 = "72da5a9d85a522b11e80d0fdd1fd95247d442604";
12
13 #[rustfmt::skip]
14 static EXCLUDE: &[&str] = &[
15 // Compile-fail expr parameter in const generic position: f::<1 + 2>()
16 "src/test/ui/const-generics/closing-args-token.rs",
17 "src/test/ui/const-generics/const-expression-parameter.rs",
18
19 // Deprecated anonymous parameter syntax in traits
20 "src/test/ui/issues/issue-13105.rs",
21 "src/test/ui/issues/issue-13775.rs",
22 "src/test/ui/issues/issue-34074.rs",
23 "src/test/ui/proc-macro/trait-fn-args-2015.rs",
24
25 // Not actually test cases
26 "src/test/rustdoc-ui/test-compile-fail2.rs",
27 "src/test/rustdoc-ui/test-compile-fail3.rs",
28 "src/test/ui/include-single-expr-helper.rs",
29 "src/test/ui/include-single-expr-helper-1.rs",
30 "src/test/ui/issues/auxiliary/issue-21146-inc.rs",
31 "src/test/ui/json-bom-plus-crlf-multifile-aux.rs",
32 "src/test/ui/lint/expansion-time-include.rs",
33 "src/test/ui/macros/auxiliary/macro-comma-support.rs",
34 "src/test/ui/macros/auxiliary/macro-include-items-expr.rs",
35 ];
36
base_dir_filter(entry: &DirEntry) -> bool37 pub fn base_dir_filter(entry: &DirEntry) -> bool {
38 let path = entry.path();
39 if path.is_dir() {
40 return true; // otherwise walkdir does not visit the files
41 }
42 if path.extension().map(|e| e != "rs").unwrap_or(true) {
43 return false;
44 }
45
46 let mut path_string = path.to_string_lossy();
47 if cfg!(windows) {
48 path_string = path_string.replace('\\', "/").into();
49 }
50 let path = if let Some(path) = path_string.strip_prefix("tests/rust/") {
51 path
52 } else {
53 panic!("unexpected path in Rust dist: {}", path_string);
54 };
55
56 if path.starts_with("src/test/compile-fail") || path.starts_with("src/test/rustfix") {
57 return false;
58 }
59
60 if path.starts_with("src/test/ui") {
61 let stderr_path = entry.path().with_extension("stderr");
62 if stderr_path.exists() {
63 // Expected to fail in some way
64 return false;
65 }
66 }
67
68 !EXCLUDE.contains(&path)
69 }
70
71 #[allow(dead_code)]
edition(path: &Path) -> &'static str72 pub fn edition(path: &Path) -> &'static str {
73 if path.ends_with("dyn-2015-no-warnings-without-lints.rs") {
74 "2015"
75 } else {
76 "2018"
77 }
78 }
79
clone_rust()80 pub fn clone_rust() {
81 let needs_clone = match fs::read_to_string("tests/rust/COMMIT") {
82 Err(_) => true,
83 Ok(contents) => contents.trim() != REVISION,
84 };
85 if needs_clone {
86 download_and_unpack().unwrap();
87 }
88 let mut missing = String::new();
89 let test_src = Path::new("tests/rust");
90 for exclude in EXCLUDE {
91 if !test_src.join(exclude).exists() {
92 missing += "\ntests/rust/";
93 missing += exclude;
94 }
95 }
96 if !missing.is_empty() {
97 panic!("excluded test file does not exist:{}\n", missing);
98 }
99 }
100
download_and_unpack() -> Result<()>101 fn download_and_unpack() -> Result<()> {
102 let url = format!(
103 "https://github.com/rust-lang/rust/archive/{}.tar.gz",
104 REVISION
105 );
106 let response = reqwest::blocking::get(&url)?.error_for_status()?;
107 let progress = Progress::new(response);
108 let decoder = GzDecoder::new(progress);
109 let mut archive = Archive::new(decoder);
110 let prefix = format!("rust-{}", REVISION);
111
112 let tests_rust = Path::new("tests/rust");
113 if tests_rust.exists() {
114 fs::remove_dir_all(tests_rust)?;
115 }
116
117 for entry in archive.entries()? {
118 let mut entry = entry?;
119 let path = entry.path()?;
120 if path == Path::new("pax_global_header") {
121 continue;
122 }
123 let relative = path.strip_prefix(&prefix)?;
124 let out = tests_rust.join(relative);
125 entry.unpack(&out)?;
126 }
127
128 fs::write("tests/rust/COMMIT", REVISION)?;
129 Ok(())
130 }
131