refactor: move VirtualBranchesHandle construction out of branch reader/writer

When the migration is complete there will be no branch/target reader/writer. For now, inject the handle

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

@@ -17,10 +17,10 @@ use crate::windows::MetadataShim;
 use crate::{
     deltas, fs, git, project_repository,
     projects::{self, ProjectId},
-    reader, sessions,
+    reader,
-    sessions::SessionId,
+    sessions::{self, SessionId},
     users,
-    virtual_branches::{self, target},
+    virtual_branches::{self, target, VirtualBranchesHandle},
 };
 
 pub struct Repository {
@@ -264,8 +264,11 @@ impl Repository {
             .collect::<Vec<_>>();
 
         let src_target_reader = virtual_branches::target::Reader::new(&last_session_reader);
-        let dst_target_writer = virtual_branches::target::Writer::new(self, self.project.gb_dir())
+        let dst_target_writer = virtual_branches::target::Writer::new(
-            .context("failed to open target writer for current session")?;
+            self,
+            VirtualBranchesHandle::new(&self.project.gb_dir()),
+        )
+        .context("failed to open target writer for current session")?;
 
         // copy default target
         let default_target = match src_target_reader.read_default() {
@@ -294,8 +297,11 @@ impl Repository {
                 .with_context(|| format!("{}: failed to write target", branch.id))?;
         }
 
-        let dst_branch_writer = virtual_branches::branch::Writer::new(self, self.project.gb_dir())
+        let dst_branch_writer = virtual_branches::branch::Writer::new(
-            .context("failed to open branch writer for current session")?;
+            self,
+            VirtualBranchesHandle::new(&self.project.gb_dir()),
+        )
+        .context("failed to open branch writer for current session")?;
 
         // copy branches that we don't already have
         for branch in &branches {

crates/gitbutler-core/src/virtual_branches.rs

@@ -27,3 +27,4 @@ mod remote;
 pub use remote::*;
 
 mod state;
+pub use state::VirtualBranchesHandle;

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

@@ -6,7 +6,7 @@ use serde::Serialize;
 use super::{
     branch, errors,
     integration::{update_gitbutler_integration, GITBUTLER_INTEGRATION_REFERENCE},
-    target, BranchId, RemoteCommit,
+    target, BranchId, RemoteCommit, VirtualBranchesHandle,
 };
 use crate::{
     gb_repository,
@@ -188,8 +188,11 @@ pub fn set_base_branch(
         sha: target_commit_oid,
     };
 
-    let target_writer = target::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let target_writer = target::Writer::new(
-        .context("failed to create target writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create target writer")?;
     target_writer.write_default(&target)?;
 
     let head_name: git::Refname = current_head
@@ -276,9 +279,11 @@ pub fn set_base_branch(
                 selected_for_changes: None,
             };
 
-            let branch_writer =
+            let branch_writer = branch::Writer::new(
-                branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+                gb_repository,
-                    .context("failed to create branch writer")?;
+                VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+            )
+            .context("failed to create branch writer")?;
             branch_writer.write(&mut branch)?;
         }
     }
@@ -379,8 +384,11 @@ pub fn update_base_branch(
             target.sha
         ))?;
 
-    let branch_writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let branch_writer = branch::Writer::new(
-        .context("failed to create branch writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create branch writer")?;
 
     let use_context = project_repository
         .project()
@@ -598,8 +606,11 @@ pub fn update_base_branch(
     )?;
 
     // write new target oid
-    let target_writer = target::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let target_writer = target::Writer::new(
-        .context("failed to create target writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create target writer")?;
     target_writer.write_default(&target::Target {
         sha: new_target_commit.id(),
         ..target

crates/gitbutler-core/src/virtual_branches/branch/writer.rs

@@ -1,5 +1,3 @@
-use std::path;
-
 use anyhow::Result;
 
 use super::Branch;
@@ -13,13 +11,12 @@ pub struct BranchWriter<'writer> {
 }
 
 impl<'writer> BranchWriter<'writer> {
-    pub fn new<P: AsRef<path::Path>>(
+    pub fn new(
         repository: &'writer gb_repository::Repository,
-        path: P,
+        state_handle: VirtualBranchesHandle,
     ) -> Result<Self, std::io::Error> {
         let reader = reader::Reader::open(repository.root())?;
         let writer = writer::DirWriter::open(repository.root())?;
-        let state_handle = VirtualBranchesHandle::new(path.as_ref());
         Ok(Self {
             repository,
             writer,

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

@@ -3,7 +3,7 @@ use std::io::{Read, Write};
 use anyhow::{Context, Result};
 use lazy_static::lazy_static;
 
-use super::errors;
+use super::{errors, VirtualBranchesHandle};
 use crate::{
     gb_repository,
     git::{self},
@@ -262,8 +262,11 @@ fn verify_head_is_clean(
     .context("failed to create virtual branch")?;
 
     // rebasing the extra commits onto the new branch
-    let writer = super::branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let writer = super::branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
     extra_commits.reverse();
     let mut head = new_branch.head;
     for commit in extra_commits {

crates/gitbutler-core/src/virtual_branches/target/writer.rs

@@ -1,5 +1,3 @@
-use std::path;
-
 use anyhow::{Context, Result};
 
 use super::Target;
@@ -17,13 +15,12 @@ pub struct TargetWriter<'writer> {
 }
 
 impl<'writer> TargetWriter<'writer> {
-    pub fn new<P: AsRef<path::Path>>(
+    pub fn new(
         repository: &'writer gb_repository::Repository,
-        path: P,
+        state_handle: VirtualBranchesHandle,
     ) -> Result<Self, std::io::Error> {
         let reader = reader::Reader::open(&repository.root())?;
         let writer = writer::DirWriter::open(repository.root())?;
-        let state_handle = VirtualBranchesHandle::new(path.as_ref());
         Ok(Self {
             repository,
             writer,

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

@@ -19,6 +19,7 @@ use super::{
         self, Branch, BranchCreateRequest, BranchId, BranchOwnershipClaims, Hunk, OwnershipClaim,
     },
     branch_to_remote_branch, context, errors, target, Iterator, RemoteBranch,
+    VirtualBranchesHandle,
 };
 use crate::{
     askpass::AskpassBroker,
@@ -218,8 +219,11 @@ pub fn apply_branch(
             })
         })?;
 
-    let writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let writer = branch::Writer::new(
-        .context("failed to create branch writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create branch writer")?;
 
     let mut branch = match branch::Reader::new(&current_session_reader).read(branch_id) {
         Ok(branch) => Ok(branch),
@@ -661,8 +665,11 @@ pub fn unapply_branch(
         .find_commit(default_target.sha)
         .context("failed to find target commit")?;
 
-    let branch_writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let branch_writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
 
     let final_tree = if conflicts::is_resolving(project_repository) {
         // when applying branch leads to a conflict, all other branches are unapplied.
@@ -1334,8 +1341,11 @@ pub fn create_virtual_branch(
         .unwrap_or(all_virtual_branches.len())
         .clamp(0, all_virtual_branches.len());
 
-    let branch_writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let branch_writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
 
     let selected_for_changes = if let Some(selected_for_changes) = create.selected_for_changes {
         if selected_for_changes {
@@ -1553,9 +1563,11 @@ pub fn merge_virtual_branch_upstream(
         let merge_tree = repo
             .find_tree(merge_tree_oid)
             .context("failed to find merge tree")?;
-        let branch_writer =
+        let branch_writer = branch::Writer::new(
-            branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+            gb_repository,
-                .context("failed to create writer")?;
+            VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+        )
+        .context("failed to create writer")?;
 
         if *project_repository.project().ok_with_force_push {
             // attempt a rebase
@@ -1663,8 +1675,11 @@ pub fn update_branch(
     let current_session_reader = sessions::Reader::open(gb_repository, &current_session)
         .context("failed to open current session")?;
     let branch_reader = branch::Reader::new(&current_session_reader);
-    let branch_writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let branch_writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
 
     let mut branch = branch_reader
         .read(&branch_update.id)
@@ -1769,8 +1784,11 @@ pub fn delete_branch(
     let current_session_reader = sessions::Reader::open(gb_repository, &current_session)
         .context("failed to open current session")?;
     let branch_reader = branch::Reader::new(&current_session_reader);
-    let branch_writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let branch_writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
 
     let branch = match branch_reader.read(branch_id) {
         Ok(branch) => Ok(branch),
@@ -2196,9 +2214,11 @@ fn get_applied_status(
 
     // write updated state if not resolving
     if !project_repository.is_resolving() {
-        let branch_writer =
+        let branch_writer = branch::Writer::new(
-            branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+            gb_repository,
-                .context("failed to create writer")?;
+            VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+        )
+        .context("failed to create writer")?;
         for (vbranch, files) in &mut hunks_by_branch {
             vbranch.tree = write_tree(project_repository, default_target, files)?;
             branch_writer
@@ -2284,8 +2304,11 @@ pub fn reset_branch(
         ));
     }
 
-    let branch_writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let branch_writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
     branch.head = target_commit_oid;
     branch_writer
         .write(&mut branch)
@@ -2622,8 +2645,11 @@ pub fn commit(
     }
 
     // update the virtual branch head
-    let writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
     branch.tree = tree_oid;
     branch.head = commit_oid;
     writer.write(branch).context("failed to write branch")?;
@@ -2651,8 +2677,11 @@ pub fn push(
         .map_err(errors::PushError::Other)?;
 
     let branch_reader = branch::Reader::new(&current_session_reader);
-    let branch_writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let branch_writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
 
     let mut vbranch = branch_reader.read(branch_id).map_err(|error| match error {
         reader::Error::NotFound => errors::PushError::BranchNotFound(errors::BranchNotFoundError {
@@ -3095,8 +3124,11 @@ pub fn amend(
         )
         .context("failed to create commit")?;
 
-    let branch_writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let branch_writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
     target_branch.head = commit_oid;
     branch_writer.write(target_branch)?;
 
@@ -3278,8 +3310,11 @@ pub fn cherry_pick(
             .context("failed to checkout final tree")?;
 
         // update branch status
-        let writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+        let writer = branch::Writer::new(
-            .context("failed to create writer")?;
+            gb_repository,
+            VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+        )
+        .context("failed to create writer")?;
         branch.head = commit_oid;
         writer
             .write(&mut branch)
@@ -3471,8 +3506,11 @@ pub fn squash(
     };
 
     // save new branch head
-    let writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
     branch.head = new_head_id;
     writer
         .write(&mut branch)
@@ -3648,8 +3686,11 @@ pub fn update_commit_message(
     };
 
     // save new branch head
-    let writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
     branch.head = new_head_id;
     writer
         .write(&mut branch)
@@ -3774,8 +3815,11 @@ pub fn move_commit(
         return Err(errors::MoveCommitError::SourceLocked);
     }
 
-    let branch_writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let branch_writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
     let branch_reader = branch::Reader::new(&latest_session_reader);
 
     // move files ownerships from source branch to the destination branch
@@ -3992,8 +4036,11 @@ pub fn create_virtual_branch_from_branch(
         selected_for_changes,
     };
 
-    let writer = branch::Writer::new(gb_repository, project_repository.project().gb_dir())
+    let writer = branch::Writer::new(
-        .context("failed to create writer")?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
+    )
+    .context("failed to create writer")?;
     writer
         .write(&mut branch)
         .context("failed to write branch")?;

crates/gitbutler-core/tests/shared/mod.rs

@@ -17,7 +17,10 @@ pub mod paths {
 }
 
 pub mod virtual_branches {
-    use gitbutler_core::{gb_repository, project_repository, virtual_branches};
+    use gitbutler_core::{
+        gb_repository, project_repository,
+        virtual_branches::{self, VirtualBranchesHandle},
+    };
 
     use crate::shared::empty_bare_repository;
 
@@ -35,13 +38,16 @@ pub mod virtual_branches {
             .expect("failed to add remote");
         remote.push(&["refs/heads/master:refs/heads/master"], None)?;
 
-        virtual_branches::target::Writer::new(gb_repo, project_repository.project().gb_dir())?
+        virtual_branches::target::Writer::new(
-            .write_default(&virtual_branches::target::Target {
+            gb_repo,
-                branch: "refs/remotes/origin/master".parse().unwrap(),
+            VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
-                remote_url: remote_repo.path().to_str().unwrap().parse().unwrap(),
+        )?
-                sha: remote_repo.head().unwrap().target().unwrap(),
+        .write_default(&virtual_branches::target::Target {
-            })
+            branch: "refs/remotes/origin/master".parse().unwrap(),
-            .expect("failed to write target");
+            remote_url: remote_repo.path().to_str().unwrap().parse().unwrap(),
+            sha: remote_repo.head().unwrap().target().unwrap(),
+        })
+        .expect("failed to write target");
 
         virtual_branches::integration::update_gitbutler_integration(gb_repo, project_repository)
             .expect("failed to update integration");

crates/gitbutler-core/tests/virtual_branches/branch/reader.rs

@@ -1,7 +1,10 @@
 use std::sync::atomic::{AtomicUsize, Ordering};
 
 use anyhow::Result;
-use gitbutler_core::virtual_branches::{branch, branch::BranchOwnershipClaims, Branch, BranchId};
+use gitbutler_core::virtual_branches::{
+    branch::{self, BranchOwnershipClaims},
+    Branch, BranchId, VirtualBranchesHandle,
+};
 use once_cell::sync::Lazy;
 
 use crate::shared::{Case, Suite};
@@ -83,7 +86,7 @@ fn read_override() -> Result<()> {
 
     let mut branch = test_branch();
 
-    let writer = branch::Writer::new(gb_repository, project.gb_dir())?;
+    let writer = branch::Writer::new(gb_repository, VirtualBranchesHandle::new(&project.gb_dir()))?;
     writer.write(&mut branch)?;
 
     let session = gb_repository.get_current_session()?.unwrap();

crates/gitbutler-core/tests/virtual_branches/branch/writer.rs

@@ -4,7 +4,7 @@ use std::{
 };
 
 use anyhow::Context;
-use gitbutler_core::virtual_branches::branch;
+use gitbutler_core::virtual_branches::{branch, VirtualBranchesHandle};
 use once_cell::sync::Lazy;
 
 use self::branch::BranchId;
@@ -66,7 +66,7 @@ fn write_branch() -> anyhow::Result<()> {
 
     let mut branch = new_test_branch();
 
-    let writer = branch::Writer::new(gb_repository, project.gb_dir())?;
+    let writer = branch::Writer::new(gb_repository, VirtualBranchesHandle::new(&project.gb_dir()))?;
     writer.write(&mut branch)?;
 
     let root = gb_repository
@@ -132,7 +132,7 @@ fn should_create_session() -> anyhow::Result<()> {
 
     let mut branch = new_test_branch();
 
-    let writer = branch::Writer::new(gb_repository, project.gb_dir())?;
+    let writer = branch::Writer::new(gb_repository, VirtualBranchesHandle::new(&project.gb_dir()))?;
     writer.write(&mut branch)?;
 
     assert!(gb_repository.get_current_session()?.is_some());
@@ -151,7 +151,7 @@ fn should_update() -> anyhow::Result<()> {
 
     let mut branch = new_test_branch();
 
-    let writer = branch::Writer::new(gb_repository, project.gb_dir())?;
+    let writer = branch::Writer::new(gb_repository, VirtualBranchesHandle::new(&project.gb_dir()))?;
     writer.write(&mut branch)?;
 
     let mut updated_branch = Branch {

crates/gitbutler-core/tests/virtual_branches/iterator.rs

@@ -1,7 +1,7 @@
 use std::sync::atomic::{AtomicUsize, Ordering};
 
 use anyhow::Result;
-use gitbutler_core::virtual_branches;
+use gitbutler_core::virtual_branches::{self, VirtualBranchesHandle};
 use once_cell::sync::Lazy;
 
 use crate::shared::{Case, Suite};
@@ -90,12 +90,16 @@ fn iterate_all() -> Result<()> {
         ..
     } = &suite.new_case();
 
-    let target_writer =
+    let target_writer = gitbutler_core::virtual_branches::target::Writer::new(
-        gitbutler_core::virtual_branches::target::Writer::new(gb_repository, project.gb_dir())?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project.gb_dir()),
+    )?;
     target_writer.write_default(&new_test_target())?;
 
-    let branch_writer =
+    let branch_writer = gitbutler_core::virtual_branches::branch::Writer::new(
-        gitbutler_core::virtual_branches::branch::Writer::new(gb_repository, project.gb_dir())?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project.gb_dir()),
+    )?;
     let mut branch_1 = new_test_branch();
     branch_writer.write(&mut branch_1)?;
     let mut branch_2 = new_test_branch();

crates/gitbutler-core/tests/virtual_branches/mod.rs

@@ -15,15 +15,15 @@ use std::{
 
 use anyhow::{Context, Result};
 use gitbutler_core::{
-    git, reader, sessions, virtual_branches,
+    git, reader, sessions,
     virtual_branches::{
-        apply_branch,
+        self, apply_branch,
         branch::{BranchCreateRequest, BranchOwnershipClaims},
         commit, create_virtual_branch,
         errors::CommitError,
         integration::verify_branch,
         is_remote_branch_mergeable, is_virtual_branch_mergeable, list_remote_branches,
-        merge_virtual_branch_upstream, unapply_ownership, update_branch,
+        merge_virtual_branch_upstream, unapply_ownership, update_branch, VirtualBranchesHandle,
     },
 };
 use pretty_assertions::assert_eq;
@@ -614,7 +614,10 @@ fn move_hunks_multiple_sources() -> Result<()> {
     let current_session = gb_repository.get_or_create_current_session()?;
     let current_session_reader = sessions::Reader::open(gb_repository, &current_session)?;
     let branch_reader = virtual_branches::branch::Reader::new(&current_session_reader);
-    let branch_writer = virtual_branches::branch::Writer::new(gb_repository, project.gb_dir())?;
+    let branch_writer = virtual_branches::branch::Writer::new(
+        gb_repository,
+        VirtualBranchesHandle::new(&project.gb_dir()),
+    )?;
     let mut branch2 = branch_reader.read(&branch2_id)?;
     branch2.ownership = BranchOwnershipClaims {
         claims: vec!["test.txt:1-5".parse()?],
@@ -893,19 +896,25 @@ fn merge_vbranch_upstream_clean_rebase() -> Result<()> {
     )?;
 
     set_test_target(gb_repository, project_repository)?;
-    virtual_branches::target::Writer::new(gb_repository, project_repository.project().gb_dir())?
+    virtual_branches::target::Writer::new(
-        .write_default(&virtual_branches::target::Target {
+        gb_repository,
-            branch: "refs/remotes/origin/master".parse().unwrap(),
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
-            remote_url: "origin".to_string(),
+    )?
-            sha: target_oid,
+    .write_default(&virtual_branches::target::Target {
-        })?;
+        branch: "refs/remotes/origin/master".parse().unwrap(),
+        remote_url: "origin".to_string(),
+        sha: target_oid,
+    })?;
 
     // add some uncommitted work
     let file_path2 = Path::new("test2.txt");
     std::fs::write(Path::new(&project.path).join(file_path2), "file2\n")?;
 
     let remote_branch: git::RemoteRefname = "refs/remotes/origin/master".parse().unwrap();
-    let branch_writer = virtual_branches::branch::Writer::new(gb_repository, project.gb_dir())?;
+    let branch_writer = virtual_branches::branch::Writer::new(
+        gb_repository,
+        VirtualBranchesHandle::new(&project.gb_dir()),
+    )?;
     let mut branch = create_virtual_branch(
         gb_repository,
         project_repository,
@@ -1018,13 +1027,15 @@ fn merge_vbranch_upstream_conflict() -> Result<()> {
     )?;
 
     set_test_target(gb_repository, project_repository)?;
-    virtual_branches::target::Writer::new(gb_repository, project.gb_dir())?.write_default(
+    virtual_branches::target::Writer::new(
-        &virtual_branches::target::Target {
+        gb_repository,
-            branch: "refs/remotes/origin/master".parse().unwrap(),
+        VirtualBranchesHandle::new(&project.gb_dir()),
-            remote_url: "origin".to_string(),
+    )?
-            sha: target_oid,
+    .write_default(&virtual_branches::target::Target {
-        },
+        branch: "refs/remotes/origin/master".parse().unwrap(),
-    )?;
+        remote_url: "origin".to_string(),
+        sha: target_oid,
+    })?;
 
     // add some uncommitted work
     std::fs::write(
@@ -1033,7 +1044,10 @@ fn merge_vbranch_upstream_conflict() -> Result<()> {
     )?;
 
     let remote_branch: git::RemoteRefname = "refs/remotes/origin/master".parse().unwrap();
-    let branch_writer = virtual_branches::branch::Writer::new(gb_repository, project.gb_dir())?;
+    let branch_writer = virtual_branches::branch::Writer::new(
+        gb_repository,
+        VirtualBranchesHandle::new(&project.gb_dir()),
+    )?;
     let mut branch = create_virtual_branch(
         gb_repository,
         project_repository,
@@ -1389,7 +1403,10 @@ fn detect_mergeable_branch() -> Result<()> {
     let current_session = gb_repository.get_or_create_current_session()?;
     let current_session_reader = sessions::Reader::open(gb_repository, &current_session)?;
     let branch_reader = virtual_branches::branch::Reader::new(&current_session_reader);
-    let branch_writer = virtual_branches::branch::Writer::new(gb_repository, project.gb_dir())?;
+    let branch_writer = virtual_branches::branch::Writer::new(
+        gb_repository,
+        VirtualBranchesHandle::new(&project.gb_dir()),
+    )?;
 
     update_branch(
         gb_repository,
@@ -1580,12 +1597,15 @@ fn upstream_integrated_vbranch() -> Result<()> {
         "update target",
     )?;
 
-    virtual_branches::target::Writer::new(gb_repository, project_repository.project().gb_dir())?
+    virtual_branches::target::Writer::new(
-        .write_default(&virtual_branches::target::Target {
+        gb_repository,
-            branch: "refs/remotes/origin/master".parse().unwrap(),
+        VirtualBranchesHandle::new(&project_repository.project().gb_dir()),
-            remote_url: "http://origin.com/project".to_string(),
+    )?
-            sha: base_commit,
+    .write_default(&virtual_branches::target::Target {
-        })?;
+        branch: "refs/remotes/origin/master".parse().unwrap(),
+        remote_url: "http://origin.com/project".to_string(),
+        sha: base_commit,
+    })?;
     project_repository
         .git_repository
         .remote("origin", &"http://origin.com/project".parse().unwrap())?;

crates/gitbutler-core/tests/virtual_branches/target/reader.rs

@@ -1,7 +1,10 @@
 use std::sync::atomic::{AtomicUsize, Ordering};
 
 use anyhow::Result;
-use gitbutler_core::virtual_branches::{target, target::Target, BranchId};
+use gitbutler_core::virtual_branches::{
+    target::{self, Target},
+    BranchId, VirtualBranchesHandle,
+};
 use once_cell::sync::Lazy;
 
 use crate::shared::{Case, Suite};
@@ -129,14 +132,17 @@ fn read_override_target() -> Result<()> {
         sha: "0123456789abcdef0123456789abcdef01234567".parse().unwrap(),
     };
 
-    let branch_writer =
+    let branch_writer = gitbutler_core::virtual_branches::branch::Writer::new(
-        gitbutler_core::virtual_branches::branch::Writer::new(gb_repository, project.gb_dir())?;
+        gb_repository,
+        VirtualBranchesHandle::new(&project.gb_dir()),
+    )?;
     branch_writer.write(&mut branch)?;
 
     let session = gb_repository.get_current_session()?.unwrap();
     let session_reader = gitbutler_core::sessions::Reader::open(gb_repository, &session)?;
 
-    let target_writer = target::Writer::new(gb_repository, project.gb_dir())?;
+    let target_writer =
+        target::Writer::new(gb_repository, VirtualBranchesHandle::new(&project.gb_dir()))?;
     let reader = target::Reader::new(&session_reader);
 
     target_writer.write_default(&default_target)?;

crates/gitbutler-core/tests/virtual_branches/target/writer.rs

@@ -4,7 +4,11 @@ use std::{
 };
 
 use anyhow::Context;
-use gitbutler_core::virtual_branches::{branch, target, target::Target, BranchId};
+use gitbutler_core::virtual_branches::{
+    branch,
+    target::{self, Target},
+    BranchId, VirtualBranchesHandle,
+};
 use once_cell::sync::Lazy;
 
 use crate::shared::{Case, Suite};
@@ -69,10 +73,12 @@ fn write() -> anyhow::Result<()> {
         sha: "0123456789abcdef0123456789abcdef01234567".parse().unwrap(),
     };
 
-    let branch_writer = branch::Writer::new(gb_repository, project.gb_dir())?;
+    let branch_writer =
+        branch::Writer::new(gb_repository, VirtualBranchesHandle::new(&project.gb_dir()))?;
     branch_writer.write(&mut branch)?;
 
-    let target_writer = target::Writer::new(gb_repository, project.gb_dir())?;
+    let target_writer =
+        target::Writer::new(gb_repository, VirtualBranchesHandle::new(&project.gb_dir()))?;
     target_writer.write(&branch.id, &target)?;
 
     let root = gb_repository
@@ -161,9 +167,11 @@ fn should_update() -> anyhow::Result<()> {
         sha: "0123456789abcdef0123456789abcdef01234567".parse().unwrap(),
     };
 
-    let branch_writer = branch::Writer::new(gb_repository, project.gb_dir())?;
+    let branch_writer =
+        branch::Writer::new(gb_repository, VirtualBranchesHandle::new(&project.gb_dir()))?;
     branch_writer.write(&mut branch)?;
-    let target_writer = target::Writer::new(gb_repository, project.gb_dir())?;
+    let target_writer =
+        target::Writer::new(gb_repository, VirtualBranchesHandle::new(&project.gb_dir()))?;
     target_writer.write(&branch.id, &target)?;
 
     let updated_target = Target {