Root exclusions in the server to project root

Author: dhruvmanila

crates/ruff_server/src/resolve.rs

@@ -59,6 +59,7 @@ fn is_document_excluded(
 ) -> bool {
     if let Some(exclusion) = match_any_exclusion(
         path,
+        &resolver_settings.project_root,
         &resolver_settings.exclude,
         &resolver_settings.extend_exclude,
         linter_settings.map(|s| &*s.exclude),

crates/ruff_workspace/src/resolver.rs

@@ -778,6 +778,7 @@ impl std::fmt::Display for ExclusionKind {
 /// any of the exclusion criteria.
 pub fn match_any_exclusion(
     path: &Path,
+    project_root: &Path,
     exclude: &GlobSet,
     extend_exclude: &GlobSet,
     lint_exclude: Option<&GlobSet>,
@@ -804,6 +805,11 @@ pub fn match_any_exclusion(
                 }
             }
         }
+        if path == project_root {
+            // Bail out; we'd end up past the project root on the next iteration
+            // (excludes etc. are thus "rooted" to the project).
+            break;
+        }
     }
     None
 }