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 Sat,  4 Apr 2020 22:02:48 +0300 (MSK)
References: <cover.1585168251.git.lvasiliev@tarantool.org>
 <d8a3ab2022ec3f347df9d1df2ba870c6689a9968.1585168251.git.lvasiliev@tarantool.org>
From: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
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Date: Sat, 4 Apr 2020 21:02:47 +0200
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Subject: Re: [Tarantool-patches] [PATCH 2/3] Add a black list of the
 tarantoolctl options
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To: Leonid Vasiliev <lvasiliev@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org

Thanks for the patch!

See 3 comments below.

On 25/03/2020 22:50, Leonid Vasiliev wrote:
> Luarocks code style has been used

1. This message does not give any useful info. Better explain, why
did you add the list to the luarocks instead of to tarantoolctl.

> ---
>  src/luarocks/util.lua | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/src/luarocks/util.lua b/src/luarocks/util.lua
> index 8ccda27..0172d08 100644
> --- a/src/luarocks/util.lua
> +++ b/src/luarocks/util.lua
> @@ -171,6 +171,14 @@ local supported_flags = {
>     ["version"] = true,
>  }
>  
> +-- The tarantool unsupported arguments list.
> +local tarantool_black_list = {
> +   ["global"] = true,
> +   ["local"] = true,
> +   ["lua-version"] = true,
> +   ["lua-dir"] = true,

2. Why can't you just remove these flags from 'supported_flags'?
Or make them false there?

> +}
> +
>  --- Extract flags from an arguments list.
>  -- Given string arguments, extract flag arguments into a flags set.
>  -- For example, given "foo", "--tux=beep", "--bla", "bar", "--baz",
> @@ -189,6 +197,9 @@ function util.parse_flags(...)
>        elseif state == "initial" and flag then
>           local var,val = flag:match("([a-z_%-]*)=(.*)")
>           if val then
> +            if tarantool_black_list[var] then
> +               return { ERROR = "Invalid argument: flag --"..var.." is not supported by tarantoolctl roks." }

3. Probably 'rocks' instead of 'roks'? The same below.

> +            end
>              local vartype = supported_flags[var]
>              if type(vartype) == "string" then
>                 if val == "" and vartype:sub(1,1) ~= '"' then
> @@ -204,6 +215,9 @@ function util.parse_flags(...)
>              end
>           else
>              local var = flag
> +            if tarantool_black_list[var] then
> +               return { ERROR = "Invalid argument: flag --"..var.." is not supported by tarantoolctl roks." }
> +            end
>              local vartype = supported_flags[var]
>              if type(vartype) == "string" then
>                 i = i + 1
>