[aur-general] [arch-dev-public] Status of arch=any ?

[Aaron Griffin]

On Wed, May 13, 2009 at 1:44 PM, Firmicus <Firmicus at gmx.net> wrote:
> Abhishek Dasgupta a écrit :
>> 2009/5/13 Abhishek Dasgupta <abhidg at gmail.com>:
>>
>>> I've attached a diff for convert-to-any which does away with all the
>>> committing stuff and just makes an i686/x86_64 package into an
>>> architecture independent package putting the file in the same directory.
>>> I tested the code here and it's working.
>>>
>>>
>>
>> updated patch using die() and some other corrections like
>> using quotes when accessing variables, etc.
>>
>> Currently, I'm copying the i686/x86_64 package to $WORKDIR/build
>> and extracting it there. This causes some additional disk i/o which can
>> be done away with if I directly extract from the package. However
>> this does ensure that the original package is unharmed.
>>
>
> IMHO extracting the package is not really necessary. It is simpler and
> faster to
> 1. decompress the package (with gunzip, or eventually some other
> (de)compression tool, depending of )
> 2. extract the .PKGINFO from the tar and then delete it with "tar --delete"
> 3. modify the extracted .PKGINFO with sed to change the arch field
> 4. re-add .PKGINFO to the tar with "tar --append"
> and finally
> 5. gzip the tar
>
> This has the additional advantage of making sure the  properties of the
> files (ownership and mode) are not mangled. I have tested this procedure
> with a large number of arch-independent packages that I converted from
> i686 to x86_64, and I have never encountered a problem. In any case, I
> leave it to our benevolent dictator Aaron to decide which solution is to
> be preferred ;)

One quick thing to note - because pacman reads .PKGINFO files to get
metadata, it's nice to have them at the beginning of the tar. tar
--append is going to slap them on the end. This could make a
significant difference on larger packages



> PS: change the description header as follows:
>
> diff --git a/convert-to-any b/convert-to-any
> index 1c48eb3..72dad04 100644
> --- a/convert-to-any
> +++ b/convert-to-any
> @@ -1,8 +1,8 @@
>  #!/bin/bash
> -# Converts an existing package into an
> -# architecture-independent package and updates
> -# the repositories accordingly.
> -
> +#
> +# Converts an existing architecture-independent package
> +# for i686 or x86_64 into a package with "arch = any"
> +#
>  # -- Abhishek Dasgupta <abhidg at gmail.com>
>
>  [ "$UID" = "" ] && UID=$(uid)

Merged and pushed both patches