Wang Can e0cbbf8d06 Fix opening repos when .git is a soft link (#21153)
Closes #ISSUE

## background
If a project is big, some times it will be splited into many small git
repos.
[google repo](https://gerrit.googlesource.com/git-repo/) is a tool to
manage a group of git repos.

But, any small git repo manged by this tool, have a difference with
normal git repo.
That is , the path `.git` in the root of the git repo, is not a normal
directory, but a soft link to real git bare dir.

### zed can not recognize the `git-repo` managed git repos
you can use the procedure to genreate this problem
```bash
# tested on linux
mkdir -p bad_git_repo_project
cd bad_git_repo_project
git init
echo "hello" > hi.txt
git add .
git commit -m "init commit"
echo "hello world" >> hi.txt

# modify the repo
mv .git ../.real_git_repo
ln -sf ../.real_git_repo .git
```
with vscode, after opening this project, git works well.
but for Zed, git not work(not git status, no git blame)


## how to fix
libgit2 can recognize git repo from the root of the project(dir that
have `.git`).
so, we can recognize the git project by opening from the project root
dir, but not the `.git` dir

This fix also works with normal git project.

### before fix

![image](https://github.com/user-attachments/assets/1fb53ff4-4ab1-402e-9640-608ca79e12a4)


### after fix

![image](https://github.com/user-attachments/assets/6b16bc54-34f0-4436-b642-3c5fa8b669bd)

Release Notes:
- Fix opening repos when .git is a soft link
2024-12-12 18:29:37 -08:00
2024-11-15 11:05:41 -05:00
2024-12-11 22:13:52 -05:00
WIP
2023-12-14 09:25:14 -07:00
2024-09-30 17:46:21 -04:00
2024-08-08 17:21:38 -07:00
2024-09-05 15:39:16 -04:00
2024-11-15 14:37:39 -05:00

Zed

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Description
Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
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