b00a252378 git_graph: Improve loading time (#49736)
This PR Fixes a loading performance regresssion inside the git graph.
The main issue is that we always acted on the received repository
events, this is good in 9 out of 10 cases except for the initial loading
phase of the git graph. This is because we invalidate the graph data
every time we receive a `GitStoreEvent::ActiveRepositoryChanged`,
`RepositoryEvent::BranchChanged` or `RepositoryEvent::MergeHeadsChanged`
event this still sounds good, but the caveat is that we receive these 3
events on initial repository loading. This happens when you start up Zed
and is getting the active repository, branch ect. from your project.
When it detects a repository/branch etc. it checks if it has been
changed and emits an event for it. This is always the case for initial
repository loading, because the active repository/branch always start as
**None**. So receive an event for these non actual changes makes the git
graph cancel its initial loading and start fetching again on every
invalidated graph data call.

We fixed this by checking the **scan_id** of the repo to check if the
repo has been initialized, if its bigger then 1 we know we need to
invalidate the data because it was a actual user change instead of a
initial loading event.

**Before** (note you see the loading state twice):


https://github.com/user-attachments/assets/c25bfae1-0e2f-4c8b-a0d0-926acb33adff

**After** (almost instant):


https://github.com/user-attachments/assets/7e4ac116-65a2-4eb6-aa4c-37291d6acd0f

-----

**Before** (switching repositories shows empty commits pane)


https://github.com/user-attachments/assets/71b04285-49e7-47bb-9660-ad53bbf15c46

**After** (switching repositories shows correct graph from the cache)


https://github.com/user-attachments/assets/38c33d93-f592-4440-b63b-567fda0fbeb8

Before you mark this PR as ready for review, make sure that you have:
- [x] Added a solid test coverage and/or screenshots from doing manual
testing
- [x] Done a self-review taking into account security and performance
aspects
- [x] Aligned any UI changes with the [UI
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)

Release Notes:

- N/A

---------

Co-authored-by: Anthony <anthony@zed.dev>
Co-authored-by: Anthony Eid <hello@anthonyeid.me>
2026-02-21 23:05:23 +00:00
2026-02-21 06:58:52 +00:00
2025-09-23 16:49:45 +00:00
2026-01-22 23:57:26 +05:30
WIP
2023-12-14 09:25:14 -07:00
2024-09-30 17:46:21 -04:00
2026-02-03 20:31:02 -07:00
2025-02-04 09:02:59 -05:00
2025-02-04 09:02:59 -05:00
2026-01-06 12:49:51 -08:00
2025-10-27 13:27:59 -04:00
2025-10-17 18:58:14 +00:00

Zed

Zed CI

Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.


Installation

On macOS, Linux, and Windows you can download Zed directly or install Zed via your local package manager (macOS/Linux/Windows).

Other platforms are not yet available:

Developing Zed

Contributing

See CONTRIBUTING.md for ways you can contribute to Zed.

Also... we're hiring! Check out our jobs page for open roles.

Licensing

License information for third party dependencies must be correctly provided for CI to pass.

We use cargo-about to automatically comply with open source licenses. If CI is failing, check the following:

  • Is it showing a no license specified error for a crate you've created? If so, add publish = false under [package] in your crate's Cargo.toml.
  • Is the error failed to satisfy license requirements for a dependency? If so, first determine what license the project has and whether this system is sufficient to comply with this license's requirements. If you're unsure, ask a lawyer. Once you've verified that this system is acceptable add the license's SPDX identifier to the accepted array in script/licenses/zed-licenses.toml.
  • Is cargo-about unable to find the license for a dependency? If so, add a clarification field at the end of script/licenses/zed-licenses.toml, as specified in the cargo-about book.

Sponsorship

Zed is developed by Zed Industries, Inc., a for-profit company.

If you’d like to financially support the project, you can do so via GitHub Sponsors. Sponsorships go directly to Zed Industries and are used as general company revenue. There are no perks or entitlements associated with sponsorship.

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