devil-linux-develop

[Devil-linux-develop] functions

[Diego T. <dt...@co...>]

I need to copy some files (kernel modules) on the install stage of the alsa-driver script to $CDDIR/lib/modules/2.4.22.

What is the difference between these two lines and which one should i use?

cp -dpR $WORKDIR/tmp/* $CDDIR || exit 1

copy_files $WORKDIR/tmp/lib/modules/ $CDDIR/ || exit 1



another one:

copy_files $WORKDIR/tmp/usr $CDDIR/ || exit 1 

is the same as

copy_files $WORKDIR/tmp/usr $CDDIR/usr || exit 1 

?
-- 
-- gnupg keyfingerprint -- 48AF 5BF9 8F54 2966 64CC  2327 7CD0 DD91 B09D 5799
-- Use of a keyboard or mouse may be linked to serious injuries or disorders.  
Diego Torres - dt...@co... - Madrid / España

Re: [Devil-linux-develop] functions

[Bruce S. <bw...@ar...>]

> I need to copy some files (kernel modules) on the install stage of the
> alsa-driver script to $CDDIR/lib/modules/2.4.22.
> 
> What is the difference between these two lines and which one should i use?
> 
> cp -dpR $WORKDIR/tmp/* $CDDIR || exit 1
> 
> copy_files $WORKDIR/tmp/lib/modules/ $CDDIR/ || exit 1

There is no difference between the two (in this case)
except for the "-f" cp option.

copy_files is a function defined in build/script/functions

copy_files()
{
        for FILE in $1
        do
                cp -dpfR $FILE $2
        done
}

> another one:
> 
> copy_files $WORKDIR/tmp/usr $CDDIR/ || exit 1 
> 
> is the same as
> 
> copy_files $WORKDIR/tmp/usr $CDDIR/usr || exit 1 

The first one is right, the second one will not do what you want.

The second one would copy files under $CDDIR/usr/usr/files.
(double /usr which is wrong)


copy_files $WORKDIR/tmp/usr/* $CDDIR/usr 

would work correctly (except for hidden files/directories)
Confused yet?  :-)

 - BS

Re: [Devil-linux-develop] functions

[Heiko Z. <he...@zu...>]

I guess Bruce took a better look then I did. ;-)

Heiko

Bruce Smith wrote:

>>I need to copy some files (kernel modules) on the install stage of the
>>alsa-driver script to $CDDIR/lib/modules/2.4.22.
>>
>>What is the difference between these two lines and which one should i use?
>>
>>cp -dpR $WORKDIR/tmp/* $CDDIR || exit 1
>>
>>copy_files $WORKDIR/tmp/lib/modules/ $CDDIR/ || exit 1
>>    
>>
>
>There is no difference between the two (in this case)
>except for the "-f" cp option.
>
>copy_files is a function defined in build/script/functions
>
>copy_files()
>{
>        for FILE in $1
>        do
>                cp -dpfR $FILE $2
>        done
>}
>
>  
>
>>another one:
>>
>>copy_files $WORKDIR/tmp/usr $CDDIR/ || exit 1 
>>
>>is the same as
>>
>>copy_files $WORKDIR/tmp/usr $CDDIR/usr || exit 1 
>>    
>>
>
>The first one is right, the second one will not do what you want.
>
>The second one would copy files under $CDDIR/usr/usr/files.
>(double /usr which is wrong)
>
>
>copy_files $WORKDIR/tmp/usr/* $CDDIR/usr 
>
>would work correctly (except for hidden files/directories)
>Confused yet?  :-)
>
> - BS
>
>
>
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Re: [Devil-linux-develop] functions

[Heiko Z. <he...@zu...>]

Diego Torres wrote:

>I need to copy some files (kernel modules) on the install stage of the alsa-driver script to $CDDIR/lib/modules/2.4.22.
>
>What is the difference between these two lines and which one should i use?
>
>cp -dpR $WORKDIR/tmp/* $CDDIR || exit 1
>
>copy_files $WORKDIR/tmp/lib/modules/ $CDDIR/ || exit 1
>  
>
It's the same. copy_files is just in there for older scripts.

There's another function copy_files_links, which actually follows symlinks.

>another one:
>
>copy_files $WORKDIR/tmp/usr $CDDIR/ || exit 1 
>
>is the same as
>
>copy_files $WORKDIR/tmp/usr $CDDIR/usr || exit 1 
>
>?
>  
>
Yeah same.
As I mentioned before, it's just old stuff in there. I didn't want to 
touch it, because you have to test all that crap.

cya
  Heiko