removed tidy check on issues files

Author: Kivooeo

src/tools/tidy/src/ui_tests.rs

@@ -2,22 +2,18 @@
 //! - the number of entries in each directory must be less than `ENTRY_LIMIT`
 //! - there are no stray `.stderr` files
 
-use std::collections::{BTreeSet, HashMap};
+use std::collections::BTreeSet;
 use std::ffi::OsStr;
 use std::fs;
 use std::io::Write;
-use std::path::{Path, PathBuf};
-
-use ignore::Walk;
+use std::path::Path;
 
 // FIXME: GitHub's UI truncates file lists that exceed 1000 entries, so these
 // should all be 1000 or lower. Limits significantly smaller than 1000 are also
 // desirable, because large numbers of files are unwieldy in general. See issue
 // #73494.
-const ENTRY_LIMIT: u32 = 901;
-// FIXME: The following limits should be reduced eventually.
 
-const ISSUES_ENTRY_LIMIT: u32 = 1616;
+// FIXME: The following limits should be reduced eventually.
 
 const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[
     "rs",     // test source files
@@ -54,50 +50,13 @@ const EXTENSION_EXCEPTION_PATHS: &[&str] = &[
     "tests/ui/std/windows-bat-args3.bat", // tests escaping arguments through batch files
 ];
 
-fn check_entries(tests_path: &Path, bad: &mut bool) {
-    let mut directories: HashMap<PathBuf, u32> = HashMap::new();
-
-    for entry in Walk::new(tests_path.join("ui")).flatten() {
-        let parent = entry.path().parent().unwrap().to_path_buf();
-        *directories.entry(parent).or_default() += 1;
-    }
-
-    let (mut max, mut max_issues) = (0, 0);
-    for (dir_path, count) in directories {
-        let is_issues_dir = tests_path.join("ui/issues") == dir_path;
-        let (limit, maxcnt) = if is_issues_dir {
-            (ISSUES_ENTRY_LIMIT, &mut max_issues)
-        } else {
-            (ENTRY_LIMIT, &mut max)
-        };
-        *maxcnt = (*maxcnt).max(count);
-        if count > limit {
-            tidy_error!(
-                bad,
-                "following path contains more than {} entries, \
-                    you should move the test to some relevant subdirectory (current: {}): {}",
-                limit,
-                count,
-                dir_path.display()
-            );
-        }
-    }
-    if ISSUES_ENTRY_LIMIT > max_issues {
-        tidy_error!(
-            bad,
-            "`ISSUES_ENTRY_LIMIT` is too high (is {ISSUES_ENTRY_LIMIT}, should be {max_issues})"
-        );
-    }
-}
-
 pub fn check(root_path: &Path, bless: bool, bad: &mut bool) {
     let issues_txt_header = r#"============================================================
     ⚠️⚠️⚠️NOTHING SHOULD EVER BE ADDED TO THIS LIST⚠️⚠️⚠️
 ============================================================
 "#;
 
     let path = &root_path.join("tests");
-    check_entries(path, bad);
 
     // the list of files in ui tests that are allowed to start with `issue-XXXX`
     // BTreeSet because we would like a stable ordering so --bless works
@@ -207,15 +166,5 @@ pub fn check(root_path: &Path, bless: bool, bad: &mut bool) {
         }
         let old_issues_path = tidy_src.join("issues.txt");
         fs::rename(blessed_issues_path, old_issues_path).unwrap();
-    } else {
-        for file_name in remaining_issue_names {
-            let mut p = PathBuf::from(path);
-            p.push(file_name);
-            tidy_error!(
-                bad,
-                "file `{}` no longer exists and should be removed from the exclusions in `src/tools/tidy/src/issues.txt`",
-                p.display()
-            );
-        }
     }
 }

triagebot.toml

@@ -1147,6 +1147,13 @@ cc = ["@nnethercote"]
 message = "Changes to the size of AST and/or HIR nodes."
 cc = ["@nnethercote"]
 
+[mentions."tests/ui/issues"]
+message = """
+This PR modifies `tests/ui/issues/`. If this PR is adding new tests to `tests/ui/issues/`, 
+please refrain from doing so, and add it to more descriptive subdirectories instead. 
+Otherwise, please ignore this message.
+"""
+
 [mentions."compiler/rustc_sanitizers"]
 cc = ["@rcvalle"]