Re: [GSoC][PATCH 10/13] submodule foreach: document '$sm_path' instead of '$path'

[Brandon Williams <bmwill@google.com>]

On 07/25, Prathamesh Chavan wrote:
> As using a variable '$path' may be harmful to users due to
> capitalization issues, see 64394e3ae9 (git-submodule.sh: Don't
> use $path variable in eval_gettext string, 2012-04-17). Adjust
> the documentation to advocate for using $sm_path,  which contains
> the same value. We still make the 'path' variable available and
> document it as a deprecated synonym of 'sm_path'.

I assume then at some point we would want to drop support for 'path' via
a normal deprecation cycle (whatever that might be, 6 months or a year
or more).

> 
> Discussed-with: Ramsay Jones <ramsay@ramsayjones.plus.com>
> Signed-off-by: Stefan Beller <sbeller@google.com>
> Signed-off-by: Prathamesh Chavan <pc44800@gmail.com>
> ---
>  Documentation/git-submodule.txt | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt
> index ff612001d..a23baef62 100644
> --- a/Documentation/git-submodule.txt
> +++ b/Documentation/git-submodule.txt
> @@ -183,12 +183,14 @@ information too.
>  
>  foreach [--recursive] <command>::
>  	Evaluates an arbitrary shell command in each checked out submodule.
> -	The command has access to the variables $name, $path, $sha1 and
> +	The command has access to the variables $name, $sm_path, $sha1 and
>  	$toplevel:
>  	$name is the name of the relevant submodule section in `.gitmodules`,
> -	$path is the name of the submodule directory relative to the
> -	superproject, $sha1 is the commit as recorded in the superproject,
> -	and $toplevel is the absolute path to the top-level of the superproject.
> +	$sm_path is the path of the submodule as recorded in the superproject,
> +	$sha1 is the commit as recorded in the superproject, and
> +	$toplevel is the absolute path to the top-level of the superproject.
> +	Note that to avoid conflicts with '$PATH' on Windows, the '$path'
> +	variable is now a deprecated synonym of '$sm_path' variable.
>  	Any submodules defined in the superproject but not checked out are
>  	ignored by this command. Unless given `--quiet`, foreach prints the name
>  	of each submodule before evaluating the command.
> -- 
> 2.13.0
> 

-- 
Brandon Williams