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Re: Crash on MSYS2 with GIT_WORK_TREE

Hi valtron,

On Tue, 7 Mar 2017, valtron wrote:

> I only ran into this because of git-gui, where I eventually tracked it
> down to line 1330:
>     set env(GIT_WORK_TREE) $_gitworktree

As git-gui is a Tcl script, which in turn runs as a pure Windows
application, the path should use backslashes.

> With that line commented out, it works. I'll look into why git-gui
> sets it to a windows-path-with-forward-slashes, but that's a separate
> issue from the crash.

It is... please do contribute your fix when you have one.

> Also, from the stack trace, I think git is still able to understand the
> path, since it appears to correctly convert it to /c/repo, but I might
> be wrong since I haven't look at the code.

Git does not convert the path at all. It is the *MSYS2 runtime* that
converts Windows paths to POSIX paths, if any. And it does so selectively.
The current working directory is always transformed. PATH is always
transformed. Environment variables are transformed *when they look like
Windows paths*. And I am fairly certain that a GIT_WORK_TREE with a colon
and forward-slashes fails that test: the MSYS2 runtime thinks this is not
a Windows path and leaves it alone. Enter your problem.