refactor CommitExt

- remove conflicting `*_gb()` methods as the native ones are easy enough to use
- some minor refactor

crates/gitbutler-core/src/git/commit_ext.rs

@@ -1,7 +1,5 @@
 // use anyhow::Result;
-use super::Result;
 use bstr::BStr;
-use git2::Commit;
 
 /// Extension trait for `git2::Commit`.
 ///
@@ -10,9 +8,7 @@ pub trait CommitExt {
     /// Obtain the commit-message as bytes, but without assuming any encoding.
     fn message_bstr(&self) -> &BStr;
     fn change_id(&self) -> Option<String>;
-    fn parents_gb(&self) -> Result<Vec<Commit<'_>>>;
     fn is_signed(&self) -> bool;
-    fn tree_gb(&self) -> Result<git2::Tree<'_>>;
 }
 
 impl<'repo> CommitExt for git2::Commit<'repo> {
@@ -24,23 +20,10 @@ impl<'repo> CommitExt for git2::Commit<'repo> {
         if cid.is_empty() {
             None
         } else {
-            // convert the Buf to a string
+            String::from_utf8(cid.to_owned()).ok()
-            let ch_id = std::str::from_utf8(&cid).ok()?.to_owned();
-            Some(ch_id)
         }
     }
-    fn parents_gb(&self) -> Result<Vec<Commit<'repo>>> {
-        let mut parents = vec![];
-        for i in 0..self.parent_count() {
-            parents.push(self.parent(i)?);
-        }
-        Ok(parents)
-    }
     fn is_signed(&self) -> bool {
-        let cid = self.header_field_bytes("gpgsig").ok();
+        self.header_field_bytes("gpgsig").is_ok()
-        cid.is_some()
-    }
-    fn tree_gb(&self) -> Result<git2::Tree<'repo>> {
-        self.tree().map_err(Into::into)
     }
 }

crates/gitbutler-core/src/git/repository.rs

@@ -223,15 +223,9 @@ impl Repository {
         parents: &[&git2::Commit<'_>],
         change_id: Option<&str>,
     ) -> Result<Oid> {
-        let parents: Vec<&git2::Commit> = parents.iter().map(|c| c.to_owned()).collect::<Vec<_>>();
+        let commit_buffer =
-
+            self.0
-        let commit_buffer = self.0.commit_create_buffer(
+                .commit_create_buffer(author.into(), committer.into(), message, tree, parents)?;
-            author.into(),
-            committer.into(),
-            message,
-            tree,
-            &parents,
-        )?;
 
         let commit_buffer = Self::inject_change_id(&commit_buffer, change_id)?;
 

crates/gitbutler-core/src/virtual_branches/virtual.rs

@@ -428,7 +428,12 @@ pub fn apply_branch(
             }
         }
 
-        branch.tree = repo.find_commit(branch.head)?.tree_gb()?.id().into();
+        branch.tree = repo
+            .find_commit(branch.head)?
+            .tree()
+            .map_err(anyhow::Error::from)?
+            .id()
+            .into();
         vb_state.set_branch(branch.clone())?;
     }
 
@@ -1008,8 +1013,7 @@ fn commit_to_vbranch_commit(
         list_virtual_commit_files(repository, commit).context("failed to list commit files")?;
 
     let parent_ids: Vec<git::Oid> = commit
-        .parents_gb()?
+        .parents()
-        .iter()
         .map(|c| {
             let c: git::Oid = c.id().into();
             c
@@ -2041,8 +2045,14 @@ pub fn reset_branch(
     let repo = &project_repository.git_repository;
     let diff = trees(
         repo,
-        &repo.find_commit(updated_head)?.tree_gb()?,
+        &repo
-        &repo.find_commit(old_head)?.tree_gb()?,
+            .find_commit(updated_head)?
+            .tree()
+            .map_err(anyhow::Error::from)?,
+        &repo
+            .find_commit(old_head)?
+            .tree()
+            .map_err(anyhow::Error::from)?,
     )?;
 
     // Assign the new hunks to the branch we're working on.
@@ -2877,9 +2887,7 @@ pub fn move_commit_file(
         .git_repository
         .find_tree(new_tree_oid)
         .context("failed to find new tree")?;
-    let parents = amend_commit
+    let parents: Vec<_> = amend_commit.parents().collect();
-        .parents_gb()
-        .context("failed to find head commit parents")?;
     let change_id = amend_commit.change_id();
     let commit_oid = project_repository
         .git_repository
@@ -3057,10 +3065,7 @@ pub fn amend(
         .find_tree(new_tree_oid)
         .context("failed to find new tree")?;
 
-    let parents = amend_commit
+    let parents: Vec<_> = amend_commit.parents().collect();
-        .parents_gb()
-        .context("failed to find head commit parents")?;
-
     let commit_oid = project_repository
         .git_repository
         .commit(
@@ -3692,9 +3697,7 @@ pub fn squash(
     //  * has the tree of the target commit
     //  * has the message combined of the target commit and parent commit
     //  * has parents of the parents commit.
-    let parents = parent_commit
+    let parents: Vec<_> = parent_commit.parents().collect();
-        .parents_gb()
-        .context("failed to find head commit parents")?;
 
     // use the squash commit's change id
     let change_id = commit_to_squash.change_id();
@@ -3809,9 +3812,7 @@ pub fn update_commit_message(
         .find_commit(commit_oid)
         .context("failed to find commit")?;
 
-    let parents = target_commit
+    let parents: Vec<_> = target_commit.parents().collect();
-        .parents_gb()
-        .context("failed to find head commit parents")?;
 
     let change_id = target_commit.change_id();
 

crates/gitbutler-testsupport/src/test_project.rs

@@ -1,7 +1,7 @@
 use std::path;
 use std::path::PathBuf;
 
-use gitbutler_core::git::{self, CommitExt};
+use gitbutler_core::git::{self};
 use tempfile::TempDir;
 
 use crate::{init_opts, VAR_NO_CLEANUP};
@@ -276,16 +276,15 @@ impl TestProject {
             .peel_to_commit()
             .unwrap();
         let tree = match self.local_repository.find_branch(&branch) {
-            Ok(branch) => branch.peel_to_tree(),
+            Ok(branch) => branch.peel_to_tree().unwrap(),
             Err(git::Error::NotFound(_)) => {
                 self.local_repository
                     .reference(&branch, head_commit.id().into(), false, "new branch")
                     .unwrap();
-                head_commit.tree_gb()
+                head_commit.tree().unwrap()
             }
-            Err(error) => Err(error),
+            Err(error) => panic!("{:?}", error),
-        }
+        };
-        .unwrap();
         self.local_repository.set_head(&branch).unwrap();
         self.local_repository
             .checkout_tree(&tree)