octopus-merge (part 4: rewrite tracking in plumbing)

Cargo.toml

@@ -194,8 +194,9 @@ serde_derive = ">=1.0.185"
 
 once_cell = "1.18.0"
 document-features = { version = "0.2.0", optional = true }
-
 [profile.dev.package]
+insta.opt-level = 3
+similar.opt-level = 3
 gix-object = { opt-level = 3 }
 gix-ref = { opt-level = 3 }
 #gix-pack = { opt-level = 3 }

crate-status.md

@@ -304,17 +304,24 @@ Check out the [performance discussion][gix-diff-performance] as well.
 
 * **tree**
     * [x] changes needed to obtain _other tree_
-* **patches**    
-    * There are various ways to generate a patch from two blobs.
-    * [ ] text
-    * [ ] binary
-* **lines**
-    * [x] Simple line-by-line diffs powered by the `imara-diff` crate.
+* **blobs** 
+    * **patches**    
+        * There are various ways to generate a patch from two blobs.
+        * [ ] text
+        * [ ] binary
+        * [ ] `git-apply` compatibility
+        * [ ] merge hunks that are close enough based on line-setting (`interhunk-lines`)
+        * [ ] white-space related settings
+    * **lines**
+        * [x] Simple line-by-line diffs powered by the `imara-diff` crate.
 * **generic rename tracker to find renames and copies**
-    * [x] find by exact match
-    * [x] find by similarity check
+    * [x] find blobs by exact match
+    * [x] find blobs by similarity check
     * [ ] heuristics to find best candidate
-    * [ ] find by basename to help detecting simple moves
+    * [ ] find by basename to support similarity check
+    * [x] directory tracking
+        - [x] by identity
+        - [ ] by similarity
 * **blob**
     * [x] a choice of to-worktree, to-git and to-worktree-if-needed conversions
     * [x] `textconv` filters
@@ -332,12 +339,13 @@ Check out the [performance discussion][gix-diff-performance] as well.
 
 ### gix-merge
 
-* [x] three-way merge analysis of blobs with choice of how to resolve conflicts
+* [x] three-way merge analysis of **blobs** with choice of how to resolve conflicts
     - [ ] choose how to resolve conflicts on the data-structure
     - [ ] produce a new blob based on data-structure containing possible resolutions
         - [x] `merge` style
         - [x] `diff3` style
         - [x] `zdiff` style
+    - [ ] a way to control inter-hunk merging based on proximity (maybe via `gix-diff` feature which could use the same)
 * [ ] diff-heuristics match Git perfectly
 * [x] API documentation
     * [ ] Examples

gitoxide-core/src/hours/core.rs

@@ -125,22 +125,23 @@ pub fn spawn_tree_delta_threads<'scope>(
                                 None => continue,
                             };
                             from.changes()?
-                                .track_filename()
-                                .track_rewrites(None)
+                                .options(|opts| {
+                                    opts.track_filename().track_rewrites(None);
+                                })
                                 .for_each_to_obtain_tree(&to, |change| {
-                                    use gix::object::tree::diff::change::Event::*;
+                                    use gix::object::tree::diff::Change::*;
                                     changes.fetch_add(1, Ordering::Relaxed);
-                                    match change.event {
+                                    match change {
                                         Rewrite { .. } => {
                                             unreachable!("we turned that off")
                                         }
-                                        Addition { entry_mode, id } => {
+                                        Addition { entry_mode, id, .. } => {
                                             if entry_mode.is_no_tree() {
                                                 files.added += 1;
                                                 add_lines(line_stats, &lines_count, &mut lines, id);
                                             }
                                         }
-                                        Deletion { entry_mode, id } => {
+                                        Deletion { entry_mode, id, .. } => {
                                             if entry_mode.is_no_tree() {
                                                 files.removed += 1;
                                                 remove_lines(line_stats, &lines_count, &mut lines, id);
@@ -151,6 +152,7 @@ pub fn spawn_tree_delta_threads<'scope>(
                                             previous_entry_mode,
                                             id,
                                             previous_id,
+                                            ..
                                         } => match (previous_entry_mode.is_blob(), entry_mode.is_blob()) {
                                             (false, false) => {}
                                             (false, true) => {

gitoxide-core/src/hours/util.rs

@@ -14,8 +14,8 @@ pub struct WorkByPerson {
     pub lines: LineStats,
 }
 
-impl<'a> WorkByPerson {
-    pub fn merge(&mut self, other: &'a WorkByEmail) {
+impl WorkByPerson {
+    pub fn merge(&mut self, other: &WorkByEmail) {
         if !self.name.contains(&other.name) {
             self.name.push(other.name);
         }

gitoxide-core/src/query/engine/update.rs

@@ -207,34 +207,36 @@ pub fn update(
                                         rewrite_cache.clear_resource_cache_keep_allocation();
                                         diff_cache.clear_resource_cache_keep_allocation();
                                         from.changes()?
-                                            .track_path()
-                                            .track_rewrites(Some(rewrites))
+                                            .options(|opts| {
+                                                opts.track_path().track_rewrites(Some(rewrites));
+                                            })
                                             .for_each_to_obtain_tree_with_cache(&to, &mut rewrite_cache, |change| {
-                                                use gix::object::tree::diff::change::Event::*;
+                                                use gix::object::tree::diff::Change::*;
                                                 change_counter.fetch_add(1, Ordering::SeqCst);
-                                                match change.event {
-                                                    Addition { entry_mode, id } => {
+                                                match change {
+                                                    Addition {
+                                                        entry_mode,
+                                                        id,
+                                                        location,
+                                                        ..
+                                                    } => {
                                                         if entry_mode.is_blob_or_symlink() {
-                                                            add_lines(&mut out, change.location, &lines_counter, id);
+                                                            add_lines(&mut out, location, &lines_counter, id);
                                                         }
                                                     }
                                                     Modification {
                                                         entry_mode,
                                                         previous_entry_mode,
                                                         id,
                                                         previous_id,
+                                                        location,
                                                     } => match (previous_entry_mode.is_blob(), entry_mode.is_blob()) {
                                                         (false, false) => {}
                                                         (false, true) => {
-                                                            add_lines(&mut out, change.location, &lines_counter, id);
+                                                            add_lines(&mut out, location, &lines_counter, id);
                                                         }
                                                         (true, false) => {
-                                                            add_lines(
-                                                                &mut out,
-                                                                change.location,
-                                                                &lines_counter,
-                                                                previous_id,
-                                                            );
+                                                            add_lines(&mut out, location, &lines_counter, previous_id);
                                                         }
                                                         (true, true) => {
                                                             if let Ok(cache) =
@@ -266,7 +268,7 @@ pub fn update(
                                                                             lines_counter
                                                                                 .fetch_add(nl, Ordering::SeqCst);
                                                                             out.push(FileChange {
-                                                                                relpath: change.location.to_owned(),
+                                                                                relpath: location.to_owned(),
                                                                                 mode: FileMode::Modified,
                                                                                 source_relpath: None,
                                                                                 lines: Some(lines),
@@ -281,19 +283,25 @@ pub fn update(
                                                             }
                                                         }
                                                     },
-                                                    Deletion { entry_mode, id } => {
+                                                    Deletion {
+                                                        entry_mode,
+                                                        id,
+                                                        location,
+                                                        ..
+                                                    } => {
                                                         if entry_mode.is_blob_or_symlink() {
-                                                            remove_lines(&mut out, change.location, &lines_counter, id);
+                                                            remove_lines(&mut out, location, &lines_counter, id);
                                                         }
                                                     }
                                                     Rewrite {
                                                         source_location,
                                                         diff,
                                                         copy,
+                                                        location,
                                                         ..
                                                     } => {
                                                         out.push(FileChange {
-                                                            relpath: change.location.to_owned(),
+                                                            relpath: location.to_owned(),
                                                             source_relpath: Some(source_location.to_owned()),
                                                             mode: if copy { FileMode::Copy } else { FileMode::Rename },
                                                             lines: diff.map(|d| LineStats {
@@ -369,7 +377,7 @@ pub fn update(
             }
         }
 
-        impl<'a, Find> gix::prelude::Find for Db<'a, Find>
+        impl<Find> gix::prelude::Find for Db<'_, Find>
         where
             Find: gix::prelude::Find + Clone,
         {

gitoxide-core/src/repository/revision/explain.rs

@@ -55,7 +55,7 @@ impl<'a> Explain<'a> {
     }
 }
 
-impl<'a> delegate::Revision for Explain<'a> {
+impl delegate::Revision for Explain<'_> {
     fn find_ref(&mut self, name: &BStr) -> Option<()> {
         self.prefix()?;
         self.ref_name = Some(name.into());
@@ -121,7 +121,7 @@ impl<'a> delegate::Revision for Explain<'a> {
     }
 }
 
-impl<'a> delegate::Navigate for Explain<'a> {
+impl delegate::Navigate for Explain<'_> {
     fn traverse(&mut self, kind: Traversal) -> Option<()> {
         self.prefix()?;
         let name = self.revision_name();
@@ -194,7 +194,7 @@ impl<'a> delegate::Navigate for Explain<'a> {
     }
 }
 
-impl<'a> delegate::Kind for Explain<'a> {
+impl delegate::Kind for Explain<'_> {
     fn kind(&mut self, kind: spec::Kind) -> Option<()> {
         self.prefix()?;
         self.call = 0;
@@ -215,7 +215,7 @@ impl<'a> delegate::Kind for Explain<'a> {
     }
 }
 
-impl<'a> Delegate for Explain<'a> {
+impl Delegate for Explain<'_> {
     fn done(&mut self) {
         if !self.has_implicit_anchor && self.ref_name.is_none() && self.oid_prefix.is_none() {
             self.err = Some("Incomplete specification lacks its anchor, like a reference or object name".into());

gitoxide-core/src/repository/tree.rs

@@ -65,7 +65,7 @@ mod entries {
         }
     }
 
-    impl<'repo, 'a> gix::traverse::tree::Visit for Traverse<'repo, 'a> {
+    impl gix::traverse::tree::Visit for Traverse<'_, '_> {
         fn pop_front_tracked_path_and_set_current(&mut self) {
             self.path = self.path_deque.pop_front().expect("every parent is set only once");
         }

gix-actor/src/identity.rs

@@ -40,7 +40,7 @@ mod write {
         }
     }
 
-    impl<'a> IdentityRef<'a> {
+    impl IdentityRef<'_> {
         /// Serialize this instance to `out` in the git serialization format for signatures (but without timestamp).
         pub fn write_to(&self, out: &mut dyn std::io::Write) -> std::io::Result<()> {
             out.write_all(validated_token(self.name)?)?;

gix-actor/src/signature/mod.rs

@@ -104,7 +104,7 @@ pub(crate) mod write {
         }
     }
 
-    impl<'a> SignatureRef<'a> {
+    impl SignatureRef<'_> {
         /// Serialize this instance to `out` in the git serialization format for actors.
         pub fn write_to(&self, out: &mut dyn std::io::Write) -> std::io::Result<()> {
             out.write_all(validated_token(self.name)?)?;

gix-attributes/src/name.rs

@@ -2,7 +2,7 @@ use crate::{Name, NameRef};
 use bstr::{BStr, BString, ByteSlice};
 use kstring::KStringRef;
 
-impl<'a> NameRef<'a> {
+impl NameRef<'_> {
     /// Turn this ref into its owned counterpart.
     pub fn to_owned(self) -> Name {
         Name(self.0.into())

gix-attributes/src/state.rs

@@ -96,7 +96,7 @@ impl<'a> StateRef<'a> {
 }
 
 /// Access
-impl<'a> StateRef<'a> {
+impl StateRef<'_> {
     /// Turn ourselves into our owned counterpart.
     pub fn to_owned(self) -> State {
         self.into()