Re: [PATCH] ShellPkg: Create a homefilesystem environment variable

[<Jim.Dailey@dell.com>]

>-----Original Message-----
>From: Ni, Ruiyu [mailto:ruiyu.ni@Intel.com]
>Sent: Monday, October 8, 2018 1:42 AM
>To: Dailey, Jim; edk2-devel@lists.01.org
>Cc: jaben.carsey@intel.com
>Subject: Re: [edk2] [PATCH] ShellPkg: Create a homefilesystem environment variable
>
>
>On 10/4/2018 12:02 AM, Jim.Dailey@dell.com wrote:
>> Create a homefilesystem environment variable whose value is the file
>> system on which the executing shell is located. For example: "FS14:".
>>
>Jim,
>Creating spec-undefined "homefilesystem" ENV variable is not a good idea
>in my opinion.
>Can you submit a Shell Spec change and change the implementation once
>the spec change is approved?

Ray,

I think you and Jaben should get together on this:

>>-----Original Message-----
>>From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Laszlo Ersek
>>Sent: Thursday, October 4, 2018 12:07 PM
>>To: Carsey, Jaben; Dailey, Jim; edk2-devel@lists.01.org
>>Subject: Re: [edk2] [PATCH] ShellPkg: Create a homefilesystem environment variable
>>
>>Is it OK with the UEFI shell spec to define a shell variable called
>>"homefilesystem"? I seem to remember that edk2-specific options for
>>standard UEFI shell commands generally start with an underscore, to
>>avoid clashing with the standard namespace. Does that apply to shell
>>variables perhaps? (This is mostly for my own education.)
>>
>>> -----Original Message-----
>>> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Carsey, Jaben
>>> Sent: Thursday, October 4, 2018 3:54 PM
>>> To: Andrew Fish; Laszlo Ersek
>>> Cc: edk2-devel@lists.01.org
>>> Subject: Re: [edk2] [PATCH] ShellPkg: Create a homefilesystem environment variable
>>>
>>> Laszlo,
>>>
>>> The leading "_" was required for out of spec, but built in, commands.
>>> The spec has no restrictions on environment variables except some have
>>> special meaning and may be read only.
>>>

Besides, if I were you and didn't have a lot of free time, I wouldn't unleash
me on shell spec changes! :-)

>--
>Thanks,
>Ray

Regards,
Jim