bjorn3 · Oct 11, 2024 · Oct 11, 2024 · Oct 11, 2024 · Oct 11, 2024 · Oct 11, 2024
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -15,11 +15,8 @@ name = "useless"
 [dependencies]
 cargo_metadata = "0.17"
 diff = "0.1.13"
-git2 = "0.17"
 glob-match = "0.2.1"
 gumdrop = "0.8"
-multimap = "0.9"
-nu-ansi-term = "0.49.0"
 proc-macro2 = { version = "1.0.66", features = ["span-locations"] }
 syn = { version = "2.0.28", features = ["full"] }
 thiserror = "1.0.44"
diff --git a/src/cauterize.rs b/src/cauterize.rs
@@ -1,4 +1,5 @@
 use std::{
+    collections::HashMap,
     ops::Range,
     path::{Path, PathBuf},
 };
@@ -132,7 +133,11 @@ fn diagnostics_to_ranges<'a>(
 }
 
 /// Handles (inline) module content
-fn handle_mod_diagnostic(block: &syn::ItemMod, kind: &UnusedDiagnosticKind, ident: &str) -> Option<proc_macro2::Span> {
+fn handle_mod_diagnostic(
+    block: &syn::ItemMod,
+    kind: &UnusedDiagnosticKind,
+    ident: &str,
+) -> Option<proc_macro2::Span> {
     use syn::Item;
     use UnusedDiagnosticKind::*;
 
@@ -224,15 +229,15 @@ fn process_files<Iter: IntoIterator<Item = UnusedDiagnostic>>(
 pub fn process_diagnostics(
     diagnostics: impl IntoIterator<Item = UnusedDiagnostic>,
 ) -> impl Iterator<Item = Change> {
-    process_files(
-        diagnostics
-            .into_iter()
-            .map(|diagnostic| {
-                let path = PathBuf::from(&diagnostic.span.file_name);
-                (path, diagnostic)
-            })
-            .collect::<multimap::MultiMap<_, _>>(),
-    )
+    let mut diagnostics_by_path: HashMap<PathBuf, Vec<UnusedDiagnostic>> = HashMap::new();
+    for diagnostic in diagnostics {
+        let path = PathBuf::from(&diagnostic.span.file_name);
+        diagnostics_by_path
+            .entry(path)
+            .or_default()
+            .push(diagnostic);
+    }
+    process_files(diagnostics_by_path)
 }
 
 /// Create a table of byte locations of newline symbols,