Re: [PATCH 3/5] introduce GIT_WORK_TREE environment variable

[Matthias Lederhofer <matled@gmx.net>]

Matthias Lederhofer <matled@gmx.net> wrote:
> diff --git a/setup.c b/setup.c
[..]
>  const char *setup_git_directory_gently(int *nongit_ok)
>  {
>  	static char cwd[PATH_MAX+1];
> @@ -199,21 +211,93 @@ const char *setup_git_directory_gently(int *nongit_ok)
>  	int len, offset;
>  
>  	/*
> -	 * If GIT_DIR is set explicitly, we're not going
> -	 * to do any discovery, but we still do repository
> -	 * validation.
> +	 * If GIT_DIR is set explicitly, we do repository validation
> +	 * and check for GIT_WORK_TREE as working tree.
>  	 */
>  	gitdirenv = getenv(GIT_DIR_ENVIRONMENT);
>  	if (gitdirenv) {
> +		const char *gitwt;
> +		char worktree[PATH_MAX+1], gitdir[PATH_MAX+1];
> +		int len;
                ^^^^^^^^
This is not really needed because there is already a variable len of
the same type.