thanks clippy

For v1.72.0

Author: Byron

.cargo/config.toml

@@ -5,7 +5,6 @@ rustflags = [
 
     # Clippy lints
     "-W", "clippy::cloned_instead_of_copied",
-    "-W", "clippy::explicit_iter_loop",
     "-W", "clippy::map_unwrap_or",
     "-W", "clippy::redundant_closure_for_method_calls",
     "-W", "clippy::unnested_or_patterns",
@@ -14,6 +13,7 @@ rustflags = [
     # Rejected for now, and why
     # "-W" "clippy::default_trait_access" - sometimes makes imports necessary, just for a default value. It's good for more explicit typing though.
     # "-W" "clippy::range_plus_one" - useful, but caused too many false positives as we use range types directly quite a lot
+    # "-W", "clippy::explicit_iter_loop", - the cases I saw turned `foo.iter_mut()` into `&mut *foo`
 
 
     # Rustdoc lints

gitoxide-core/src/corpus/db.rs

@@ -92,7 +92,7 @@ pub fn create(path: impl AsRef<std::path::Path>) -> anyhow::Result<rusqlite::Con
     "#,
     )?;
     con.execute_batch(
-        r#"
+        r"
     CREATE TABLE if not exists repository(
         id integer PRIMARY KEY,
         rela_path text, -- the path to the repository on disk, relative to the corpus root path, without leading `./` or `.\`
@@ -103,7 +103,7 @@ pub fn create(path: impl AsRef<std::path::Path>) -> anyhow::Result<rusqlite::Con
         FOREIGN KEY (corpus) REFERENCES corpus (id)
         UNIQUE (rela_path, corpus)
     )
-    "#,
+    ",
     )?;
     con.execute_batch(
         r#"

gitoxide-core/src/repository/submodule.rs

@@ -9,7 +9,9 @@ pub fn list(repo: Repository, mut out: impl std::io::Write, format: OutputFormat
         bail!("Only human output is supported for now")
     }
 
-    let Some(submodules) = repo.submodules()? else { return Ok(()) };
+    let Some(submodules) = repo.submodules()? else {
+        return Ok(());
+    };
     for sm in submodules {
         print_sm(sm, &mut out)?;
     }

gix-config/src/parse/nom/tests.rs

@@ -62,7 +62,7 @@ mod section_headers {
     fn backslashes_in_subsections_do_not_escape_newlines_or_tabs() {
         assert_eq!(
             section_header.parse_peek(br#"[hello "single \ \\ \t \n \0"]"#).unwrap(),
-            fully_consumed(parsed_section_header("hello", (" ", r#"single  \ t n 0"#)))
+            fully_consumed(parsed_section_header("hello", (" ", r"single  \ t n 0")))
         );
     }
 
@@ -756,6 +756,7 @@ mod value_no_continuation {
     }
 
     #[test]
+    #[allow(clippy::needless_raw_string_hashes)]
     fn trans_escaped_comment_marker_not_consumed() {
         let mut events = section::Events::default();
         assert_eq!(value_impl(br##"hello"#"world; a"##, &mut events).unwrap().0, b"; a");
@@ -776,7 +777,7 @@ mod value_no_continuation {
 
     #[test]
     fn invalid_escape() {
-        assert!(value_impl(br#"\x"#, &mut Default::default()).is_err());
+        assert!(value_impl(br"\x", &mut Default::default()).is_err());
     }
 
     #[test]
@@ -786,7 +787,7 @@ mod value_no_continuation {
 
     #[test]
     fn incomplete_escape() {
-        assert!(value_impl(br#"hello world\"#, &mut Default::default()).is_err());
+        assert!(value_impl(br"hello world\", &mut Default::default()).is_err());
     }
 }
 

gix-config/src/parse/section/header.rs

@@ -147,7 +147,7 @@ fn escape_subsection(name: &BStr) -> Cow<'_, BStr> {
     let mut buf = Vec::with_capacity(name.len());
     for b in name.iter().copied() {
         match b {
-            b'\\' => buf.push_str(br#"\\"#),
+            b'\\' => buf.push_str(br"\\"),
             b'"' => buf.push_str(br#"\""#),
             _ => buf.push(b),
         }

gix-config/tests/file/init/from_paths/includes/conditional/gitdir/mod.rs

@@ -189,14 +189,14 @@ fn case_insensitive_matches_any_case() -> crate::Result {
 #[test]
 fn pattern_with_escaped_backslash() -> crate::Result {
     assert_section_value(
-        original_value_on_windows(Condition::new(r#"gitdir:\\work\\tree\\/"#)),
+        original_value_on_windows(Condition::new(r"gitdir:\\work\\tree\\/")),
         GitEnv::repo_name("worktree")?,
     )
 }
 
 #[test]
 fn pattern_with_backslash() -> crate::Result {
-    assert_section_value(Condition::new(r#"gitdir:work\tree/"#), GitEnv::repo_name("worktree")?)
+    assert_section_value(Condition::new(r"gitdir:work\tree/"), GitEnv::repo_name("worktree")?)
 }
 
 #[test]

gix-config/tests/file/mutable/section.rs

@@ -260,15 +260,15 @@ mod set_leading_whitespace {
 }
 
 fn multi_value_section() -> gix_config::File<'static> {
-    r#"
+    r"
         [a]
             a = v
             b = 
             c=
             d
             e =a \
        b \
-       c"#
+       c"
     .parse()
     .unwrap()
 }

gix-config/tests/parse/section.rs

@@ -22,7 +22,7 @@ mod header {
         #[test]
         fn subsection_backslashes_and_quotes_are_escaped() -> crate::Result {
             assert_eq!(
-                section::Header::new("core", cow_section(r#"a\b"#))?.to_bstring(),
+                section::Header::new("core", cow_section(r"a\b"))?.to_bstring(),
                 r#"[core "a\\b"]"#
             );
             assert_eq!(

gix-config/tests/value/normalize.rs

@@ -69,7 +69,7 @@ fn inner_quotes_are_removed() {
 
 #[test]
 fn newline_tab_backspace_are_escapable() {
-    assert_eq!(normalize_bstr(r#"\n\ta\b"#), cow_str("\n\t"));
+    assert_eq!(normalize_bstr(r"\n\ta\b"), cow_str("\n\t"));
 }
 
 #[test]
@@ -80,7 +80,7 @@ fn tabs_are_not_resolved_to_spaces_unlike_what_git_does() {
 #[test]
 fn other_escapes_are_ignored_entirely() {
     assert_eq!(
-        normalize_bstr(r#"\x"#),
+        normalize_bstr(r"\x"),
         cow_str("x"),
         "however, these would cause failure on parsing level so we ignore it similar to subsections"
     );

gix-date/tests/time/parse.rs

@@ -148,11 +148,11 @@ mod relative {
 
     #[test]
     fn various() {
-        let now = Some(SystemTime::now());
-        let two_weeks_ago = gix_date::parse("2 weeks ago", now).unwrap();
+        let now = SystemTime::now();
+        let two_weeks_ago = gix_date::parse("2 weeks ago", Some(now)).unwrap();
         assert_eq!(Sign::Plus, two_weeks_ago.sign);
         assert_eq!(0, two_weeks_ago.offset);
-        let expected = OffsetDateTime::from(now.unwrap()).saturating_sub(Duration::weeks(2));
+        let expected = OffsetDateTime::from(now).saturating_sub(Duration::weeks(2));
         // account for the loss of precision when creating `Time` with seconds
         let expected = expected.replace_nanosecond(0).unwrap();
         assert_eq!(

gix-mailmap/tests/snapshot/mod.rs

@@ -65,7 +65,7 @@ fn non_name_and_name_mappings_will_not_clash() {
             "old-email",
         ),
     ];
-    for entries in vec![entries.clone().into_iter().rev().collect::<Vec<_>>(), entries] {
+    for entries in [entries.clone().into_iter().rev().collect::<Vec<_>>(), entries] {
         let snapshot = Snapshot::new(entries);
 
         assert_eq!(

gix-odb/src/lib.rs

@@ -148,5 +148,5 @@ pub fn at_opts(
 
 /// Create a new cached handle to the object store.
 pub fn at(objects_dir: impl Into<PathBuf>) -> std::io::Result<Handle> {
-    at_opts(objects_dir, Vec::new().into_iter(), Default::default())
+    at_opts(objects_dir, Vec::new(), Default::default())
 }

gix-packetline/tests/read/mod.rs

@@ -174,7 +174,7 @@ pub mod streaming_peek_iter {
     #[maybe_async::test(feature = "blocking-io", async(feature = "async-io", async_std::test))]
     async fn read_from_file_and_reader_advancement() -> crate::Result {
         let mut bytes = fixture_bytes("v1/fetch/01-many-refs.response");
-        bytes.extend(fixture_bytes("v1/fetch/01-many-refs.response").into_iter());
+        bytes.extend(fixture_bytes("v1/fetch/01-many-refs.response"));
         let mut rd = gix_packetline::StreamingPeekableIter::new(&bytes[..], &[PacketLineRef::Flush]);
         let res = rd.read_line().await;
         assert_eq!(res.expect("line")??, first_line());

gix-revision/tests/spec/parse/anchor/colon_symbol.rs

@@ -55,7 +55,7 @@ fn various_forms_of_regex() {
 
 #[test]
 fn regex_do_not_get_any_backslash_processing() {
-    for (spec, regex) in [(r#":/{"#, "{"), (r#":/\{\}"#, r#"\{\}"#), (r#":/\\\\\}"#, r#"\\\\\}"#)] {
+    for (spec, regex) in [(r#":/{"#, "{"), (r":/\{\}", r"\{\}"), (r":/\\\\\}", r"\\\\\}")] {
         let rec = parse(spec);
 
         assert_eq!(rec.patterns, vec![(regex.into(), false)]);

gix-revision/tests/spec/parse/navigate/caret_symbol.rs

@@ -105,40 +105,36 @@ fn regex_backslash_rules() {
             "matching inner parens do not need escaping",
         ),
         (
-            r#"@^{/with count\{1\}}"#,
+            r"@^{/with count\{1\}}",
             r#"with count{1}"#,
             "escaped parens are entirely ignored",
         ),
-        (r#"@^{/1\}}"#, r#"1}"#, "unmatched closing parens need to be escaped"),
-        (r#"@^{/2\{}"#, r#"2{"#, "unmatched opening parens need to be escaped"),
+        (r"@^{/1\}}", r#"1}"#, "unmatched closing parens need to be escaped"),
+        (r"@^{/2\{}", r#"2{"#, "unmatched opening parens need to be escaped"),
         (
-            r#"@^{/3{\{}}"#,
+            r"@^{/3{\{}}",
             r#"3{{}"#,
             "unmatched nested opening parens need to be escaped",
         ),
         (
-            r#"@^{/4{\}}}"#,
+            r"@^{/4{\}}}",
             r#"4{}}"#,
             "unmatched nested closing parens need to be escaped",
         ),
+        (r"@^{/a\b\c}", r"a\b\c", "single backslashes do not need to be escaped"),
         (
-            r#"@^{/a\b\c}"#,
-            r#"a\b\c"#,
-            "single backslashes do not need to be escaped",
-        ),
-        (
-            r#"@^{/a\b\c\\}"#,
-            r#"a\b\c\"#,
+            r"@^{/a\b\c\\}",
+            r"a\b\c\",
             "single backslashes do not need to be escaped, trailing",
         ),
         (
-            r#"@^{/a\\b\\c\\}"#,
-            r#"a\b\c\"#,
+            r"@^{/a\\b\\c\\}",
+            r"a\b\c\",
             "backslashes can be escaped nonetheless, trailing",
         ),
         (
-            r#"@^{/5\\{}}"#,
-            r#"5\{}"#,
+            r"@^{/5\\{}}",
+            r"5\{}",
             "backslashes in front of parens must be escaped or they would unbalance the brace pair",
         ),
     ] {
@@ -196,11 +192,11 @@ fn invalid_object_type() {
 
 #[test]
 fn incomplete_escaped_braces_in_regex_are_invalid() {
-    let err = try_parse(r#"@^{/a\{1}}"#).unwrap_err();
+    let err = try_parse(r"@^{/a\{1}}").unwrap_err();
     assert!(matches!(err, spec::parse::Error::UnconsumedInput {input} if input == "}"));
 
-    let err = try_parse(r#"@^{/a{1\}}"#).unwrap_err();
-    assert!(matches!(err, spec::parse::Error::UnclosedBracePair {input} if input == r#"{/a{1\}}"#));
+    let err = try_parse(r"@^{/a{1\}}").unwrap_err();
+    assert!(matches!(err, spec::parse::Error::UnclosedBracePair {input} if input == r"{/a{1\}}"));
 }
 
 #[test]
@@ -211,11 +207,11 @@ fn regex_with_empty_exclamation_mark_prefix_is_invalid() {
 
 #[test]
 fn bad_escapes_can_cause_brace_mismatch() {
-    let err = try_parse(r#"@^{\}"#).unwrap_err();
-    assert!(matches!(err, spec::parse::Error::UnclosedBracePair {input} if input == r#"{\}"#));
+    let err = try_parse(r"@^{\}").unwrap_err();
+    assert!(matches!(err, spec::parse::Error::UnclosedBracePair {input} if input == r"{\}"));
 
-    let err = try_parse(r#"@^{{\}}"#).unwrap_err();
-    assert!(matches!(err, spec::parse::Error::UnclosedBracePair {input} if input == r#"{{\}}"#));
+    let err = try_parse(r"@^{{\}}").unwrap_err();
+    assert!(matches!(err, spec::parse::Error::UnclosedBracePair {input} if input == r"{{\}}"));
 }
 
 #[test]

gix-worktree-state/tests/state/checkout.rs

@@ -281,12 +281,11 @@ fn keep_going_collects_results() {
         opts,
         "make_mixed_without_submodules",
         |_id| {
-            !matches!(
-                count.fetch_update(Ordering::SeqCst, Ordering::SeqCst, |current| {
+            count
+                .fetch_update(Ordering::SeqCst, Ordering::SeqCst, |current| {
                     (current < 2).then_some(current + 1)
-                }),
-                Ok(_)
-            )
+                })
+                .is_err()
         },
         |_| Ok(()),
     )

gix/src/config/cache/access.rs

@@ -75,12 +75,11 @@ impl Cache {
         const DEFAULT: bool = true;
         self.resolved
             .boolean_by_key("core.commitGraph")
-            .map(|res| {
+            .map_or(Ok(DEFAULT), |res| {
                 Core::COMMIT_GRAPH
                     .enrich_error(res)
                     .with_lenient_default_value(self.lenient_config, DEFAULT)
             })
-            .unwrap_or(Ok(DEFAULT))
     }
 
     pub(crate) fn diff_renames(

gix/src/config/tree/sections/protocol.rs

@@ -127,7 +127,7 @@ mod validate {
                 .to_decimal()
                 .ok_or_else(|| format!("integer {value} cannot be represented as integer"))?;
             match value {
-                0 | 1 | 2 => Ok(()),
+                0..=2 => Ok(()),
                 _ => Err(format!("protocol version {value} is unknown").into()),
             }
         }

gix/src/object/tree/diff/for_each.rs

@@ -75,8 +75,9 @@ impl<'a, 'old> Platform<'a, 'old> {
             }
             Err(gix_diff::tree::changes::Error::Cancelled) => delegate
                 .err
-                .map(|err| Err(Error::ForEach(Box::new(err))))
-                .unwrap_or(Err(Error::Diff(gix_diff::tree::changes::Error::Cancelled))),
+                .map_or(Err(Error::Diff(gix_diff::tree::changes::Error::Cancelled)), |err| {
+                    Err(Error::ForEach(Box::new(err)))
+                }),
             Err(err) => Err(err.into()),
         }
     }