Make names & emails ASCII-case-insensitive

Author: GrigorenkoPV

Cargo.lock

@@ -15,7 +15,7 @@ walkdir = "2"
 regex = "1.5.5"
 mailmap = { path = "./mailmap" }
 ureq = { version = "2.6.2", features = ["json"] }
-unicase = "2.6.0"
+uncased = "0.9.10"
 
 [profile.release]
 debug = 2

Cargo.toml

@@ -11,4 +11,4 @@ categories = ["parsing"]
 license = "MIT OR Apache-2.0"
 
 [dependencies]
-unicase = "2.6.0"
+uncased = "0.9.10"

mailmap/Cargo.toml

@@ -3,7 +3,7 @@ use std::hash::Hash;
 use std::pin::Pin;
 use std::ptr::NonNull;
 
-use unicase::UniCase;
+use uncased::{Uncased, UncasedStr};
 
 #[cfg(test)]
 mod test;
@@ -39,10 +39,10 @@ impl fmt::Debug for Mailmap {
 
 #[derive(Copy, Clone)]
 struct RawMapEntry {
-    canonical_name: Option<NonNull<str>>,
-    canonical_email: Option<NonNull<str>>,
-    current_name: Option<NonNull<str>>,
-    current_email: Option<NonNull<str>>,
+    canonical_name: Option<NonNull<UncasedStr>>,
+    canonical_email: Option<NonNull<UncasedStr>>,
+    current_name: Option<NonNull<UncasedStr>>,
+    current_email: Option<NonNull<UncasedStr>>,
 }
 
 impl RawMapEntry {
@@ -58,10 +58,10 @@ impl RawMapEntry {
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
 struct MapEntry<'a> {
-    canonical_name: Option<&'a str>,
-    canonical_email: Option<&'a str>,
-    current_name: Option<&'a str>,
-    current_email: Option<&'a str>,
+    canonical_name: Option<&'a UncasedStr>,
+    canonical_email: Option<&'a UncasedStr>,
+    current_name: Option<&'a UncasedStr>,
+    current_email: Option<&'a UncasedStr>,
 }
 
 impl<'a> MapEntry<'a> {
@@ -77,15 +77,15 @@ impl<'a> MapEntry<'a> {
 
 #[derive(Clone, PartialEq, PartialOrd, Ord, Eq, Hash)]
 pub struct Author {
-    pub name: UniCase<String>,
-    pub email: UniCase<String>,
+    pub name: Uncased<'static>,
+    pub email: Uncased<'static>,
 }
 
 impl Author {
     pub fn new(name: String, email: String) -> Self {
         Self {
-            name: UniCase::new(name),
-            email: UniCase::new(email),
+            name: name.into(),
+            email: email.into(),
         }
     }
 }
@@ -117,17 +117,17 @@ impl Mailmap {
             let entry = unsafe { entry.to_entry(&self.buffer) };
             if let Some(email) = entry.current_email {
                 if let Some(name) = entry.current_name {
-                    if author.name == UniCase::new(name) && author.email == UniCase::new(email) {
+                    if author.name == name && author.email == email {
                         return Author::new(
-                            entry.canonical_name.unwrap_or(&author.name).to_owned(),
-                            entry.canonical_email.expect("canonical email").to_owned(),
+                            entry.canonical_name.unwrap_or(&author.name).to_string(),
+                            entry.canonical_email.expect("canonical email").to_string(),
                         );
                     }
                 } else {
-                    if author.email == UniCase::new(email) {
+                    if author.email == email {
                         return Author::new(
-                            entry.canonical_name.unwrap_or(&author.name).to_owned(),
-                            entry.canonical_email.expect("canonical email").to_owned(),
+                            entry.canonical_name.unwrap_or(&author.name).to_string(),
+                            entry.canonical_email.expect("canonical email").to_string(),
                         );
                     }
                 }
@@ -138,7 +138,7 @@ impl Mailmap {
     }
 }
 
-fn read_email<'a>(line: &mut &'a str) -> Option<&'a str> {
+fn read_email<'a>(line: &mut &'a str) -> Option<&'a UncasedStr> {
     if !line.starts_with('<') {
         return None;
     }
@@ -148,21 +148,21 @@ fn read_email<'a>(line: &mut &'a str) -> Option<&'a str> {
         .unwrap_or_else(|| panic!("could not find email end in {:?}", line));
     let ret = &line[1..end];
     *line = &line[end + 1..];
-    Some(ret)
+    Some(ret.into())
 }
 
-fn read_name<'a>(line: &mut &'a str) -> Option<&'a str> {
+fn read_name<'a>(line: &mut &'a str) -> Option<&'a UncasedStr> {
     let end = if let Some(end) = line.find('<') {
         end
     } else {
         return None;
     };
-    let ret = &line[..end].trim();
+    let ret = line[..end].trim();
     *line = &line[end..];
     if ret.is_empty() {
         None
     } else {
-        Some(ret)
+        Some(ret.into())
     }
 }
 

mailmap/src/lib.rs

@@ -23,7 +23,7 @@ fn comment_2() {
 fn email_1() {
     assert_eq!(
         test_parser!(read_email, "<[email protected]>", ""),
-        Some("[email protected]")
+        Some("[email protected]".into())
     );
 }
 
@@ -35,7 +35,7 @@ fn email_2() {
             "<[email protected]> <[email protected]>",
             " <[email protected]>"
         ),
-        Some("[email protected]")
+        Some("[email protected]".into())
     );
 }
 
@@ -59,7 +59,7 @@ fn name_1() {
             "Canonical Name <[email protected]>",
             "<[email protected]>"
         ),
-        Some("Canonical Name"),
+        Some("Canonical Name".into()),
     );
 }
 
@@ -68,10 +68,10 @@ fn line_1() {
     assert_eq!(
         parse_line("Joe Bob <email1> <email2>", 0),
         Some(MapEntry {
-            canonical_name: Some("Joe Bob"),
-            canonical_email: Some("email1"),
+            canonical_name: Some("Joe Bob".into()),
+            canonical_email: Some("email1".into()),
             current_name: None,
-            current_email: Some("email2"),
+            current_email: Some("email2".into()),
         })
     );
 }
@@ -81,18 +81,18 @@ fn line_2() {
     assert_eq!(
         parse_line("Joe Bob <email1>", 0),
         Some(MapEntry {
-            canonical_name: Some("Joe Bob"),
-            canonical_email: Some("email1"),
+            canonical_name: Some("Joe Bob".into()),
+            canonical_email: Some("email1".into()),
             current_name: None,
-            current_email: Some("email1"),
+            current_email: Some("email1".into()),
         })
     );
 }
 
 fn a(name: &str, email: &str) -> Author {
     Author {
-        name: name.into(),
-        email: email.into(),
+        name: name.to_owned().into(),
+        email: email.to_owned().into(),
     }
 }
 
@@ -123,3 +123,12 @@ fn map_4() {
     let mm = map("<PE> <CE>");
     assert_eq!(mm.canonicalize(&a("any", "CE")), a("any", "PE"));
 }
+
+#[test]
+fn case_insensitive() {
+    let mm = map("Proper Name <[email protected]> CoMmIt NaMe <[email protected]>");
+    assert_eq!(
+        mm.canonicalize(&a("Commit Name", "[email protected]")),
+        a("Proper Name", "[email protected]")
+    );
+}

mailmap/src/test.rs

@@ -21,10 +21,10 @@ impl Reviewers {
         }
 
         fn a(name: &str, email: &str) -> AddKind {
-            AddKind::New(Author {
-                name: name.into(),
-                email: email.into(),
-            })
+            AddKind::New(Author::new(
+                 name.into(),
+                 email.into(),
+            ))
         }
 
         fn alias(name: &'static str) -> AddKind {

src/reviewers.rs

@@ -3,7 +3,6 @@ use handlebars::Handlebars;
 use std::collections::{BTreeMap, HashMap};
 use std::fs;
 use std::path::Path;
-use unicase::UniCase;
 
 pub fn render(
     by_version: BTreeMap<VersionTag, AuthorMap>,
@@ -149,16 +148,16 @@ fn author_map_to_scores(map: &AuthorMap) -> Vec<Entry> {
     let scores = map
         .iter()
         .map(|(author, commits)| {
-            let name = UniCase::into_inner(author.name.clone());
+            let name = author.name.to_string();
 
             Entry {
                 rank: 0,
                 author: if debug_emails {
-                    format!("{name} ({})", UniCase::into_inner(author.email.clone()))
+                    format!("{name} ({})", author.email)
                 } else {
                     name
                 },
-                email: UniCase::into_inner(author.email.clone()),
+                email: author.email.to_string(),
                 commits,
             }
         })
@@ -189,21 +188,27 @@ fn author_map_to_scores(map: &AuthorMap) -> Vec<Entry> {
 fn deduplicate_scores(entries: Vec<Entry>) -> Vec<Entry> {
     let mut entry_map: HashMap<String, Vec<Entry>> = HashMap::with_capacity(entries.len());
     for entry in entries {
-        entry_map.entry(entry.email.clone()).or_default().push(entry);
+        entry_map
+            .entry(entry.email.clone())
+            .or_default()
+            .push(entry);
     }
 
-    entry_map.into_values().map(|mut entry| {
-        // If there are multiple entries with the same maximum commit count, ensure that
-        // the ordering is stable, by sorting based on the whole entry.
-        entry.sort();
-        let canonical_entry = entry.iter().max_by_key(|entry| entry.commits).unwrap();
-        Entry {
-            rank: 0,
-            author: canonical_entry.author.clone(),
-            email: canonical_entry.email.clone(),
-            commits: entry.iter().map(|e| e.commits).sum(),
-        }
-    }).collect()
+    entry_map
+        .into_values()
+        .map(|mut entry| {
+            // If there are multiple entries with the same maximum commit count, ensure that
+            // the ordering is stable, by sorting based on the whole entry.
+            entry.sort();
+            let canonical_entry = entry.iter().max_by_key(|entry| entry.commits).unwrap();
+            Entry {
+                rank: 0,
+                author: canonical_entry.author.clone(),
+                email: canonical_entry.email.clone(),
+                commits: entry.iter().map(|e| e.commits).sum(),
+            }
+        })
+        .collect()
 }
 
 fn releases(