[Buildroot] [PATCH 1/2] Add dependency on bash to gzip for runtime

[Baruch Siach <baruch@tkos.co.il>]

Hi Yonatan,

On Thu, Sep 17, 2015 at 05:46:32PM +0300, Jonathan Ben-Avraham wrote:
> From: Jonathan Ben Avraham <yba@tkos.co.il>
> 
> The GNU gzip package provides eleven executable files, all but one of
> which are bash shell scripts. If we allow inclusion of gzip without
> bash, then on executing commands such as lxc-checkconfig that actually
> use these shell scripts, you will get errors like 'zgrep: not found',
> even though the zgrep executable is in PATH.

Which /bin/sh shell show this problem?

On my host the command

   busybox sh /bin/zgrep pattern file.gz

and also

   dash /bin/zgrep pattern file.gz

work as expected.

baruch

> This patch also sharpens up the help text and eliminates the claim to
> provide gzcat.
> 
> Signed-off-by: Jonathan Ben Avraham <yba@tkos.co.il>
> ---
>  package/gzip/Config.in |   13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/package/gzip/Config.in b/package/gzip/Config.in
> index a251425..9e2dc0d 100644
> --- a/package/gzip/Config.in
> +++ b/package/gzip/Config.in
> @@ -1,11 +1,14 @@
>  config BR2_PACKAGE_GZIP
>  	bool "gzip"
> -	depends on BR2_USE_WCHAR
> +	depends on BR2_USE_WCHAR && BR2_PACKAGE_BASH
>  	help
> -	  Standard GNU compressor. Provides things like gzip,
> -	  gunzip, gzcat, etc...
> +	  The GNU implementation of gzip (http://www.gzip.org).
> +	  Provides: gunzip, gzexe, gzip, zcat, zcmp, zdiff, zforce,
> +	  zgrep, zless, zmore, and znew. All of the executables except
> +	  gzip are Bourne-Again shell scripts. Busybox provides a gzip
> +	  applet.
>  
>  	  http://www.gnu.org/software/gzip/gzip.html
>  
> -comment "gzip needs a toolchain w/ wchar"
> -	depends on !BR2_USE_WCHAR
> +comment "gzip needs bash and a toolchain w/ wchar"
> +	depends on !BR2_USE_WCHAR || !BR2_PACKAGE_BASH

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