Re: [PATCH] git: add --no-optional-locks option

[Johannes Sixt <j6t@kdbg.org>]

Am 21.09.2017 um 06:32 schrieb Jeff King:
> diff --git a/Documentation/git.txt b/Documentation/git.txt
> index 6e3a6767e5..8dd3ae05ae 100644
> --- a/Documentation/git.txt
> +++ b/Documentation/git.txt
> @@ -159,6 +159,10 @@ foo.bar= ...`) sets `foo.bar` to the empty string which ` git config
>   	Add "icase" magic to all pathspec. This is equivalent to setting
>   	the `GIT_ICASE_PATHSPECS` environment variable to `1`.
>   
> +--no-optional-locks::
> +	Do not perform optional operations that require locks. This is
> +	equivalent to setting the `GIT_OPTIONAL_LOCKS` to `0`.
> +
>   GIT COMMANDS
>   ------------
>   
> @@ -697,6 +701,15 @@ of clones and fetches.
>   	which feed potentially-untrusted URLS to git commands.  See
>   	linkgit:git-config[1] for more details.
>   
> +`GIT_OPTIONAL_LOCKS`::
> +	If set to `0`, Git will avoid performing any operations which
> +	require taking a lock and which are not required to complete the
> +	requested operation. For example, this will prevent `git status`
> +	from refreshing the index as a side effect. This is useful for
> +	processes running in the background which do not want to cause
> +	lock contention with other operations on the repository.
> +	Defaults to `1`.

I don't think we should pass this environment variable to remote 
repositories. It should be listed in local_repo_env[] in environment.c.

-- Hannes