Re: Extract source URLs from RPM spec files

On Dec 6, 2007 4:57 PM, Mildred <[email protected]> wrote:

> Hi,
>
> I would like to create a probram that would download automatically the
> source files of packages given a spec file and build it using rpmbuild.
>



FYI: rpmbuild (in rpm-4.4.6 and later) will already fetch sources/patches,

rpm-4.4.9 will also fetch Icon: url's, as well as verify digests/signatures

of the fetch'ed elements (if the information is added to spec file build
dependencies).


>
> But I just wonder how to extract the source URLs from the spec file. I
> can't
> use standard srep and sed since often the Source line contains variables
> that need to be resolved.
>
> I found that rpm has an option --specfile that seems deigned for that
> purpose. But rpm do not seems to be aware of the source filenames
> unfortunately.
>


Yep. The issue is that there is an ambiguity of exactly what is

being queried with --specfile. The default for --specfile queries all binary

(sub-)packages, as that is arguably more useful to most.



>
> Does anyone knows how I could extract this information without writing a
> spec file parser ?
>


FYI: Here's what is in rpm-5.0:


$ rpm -q --qf '[%{source}\n]' --specsrpm time.spec

    time-1.7.tar.gz


(I fergit when I implemented --specsrpm, more than a year ago for sure)


which is a start, but does not include (because the *.src.rpm header does
not include)

the full URL, only the basename of the included file.


It wouldn't be hard to add the full source URL as an additional tag in
*.src.rpm if you want.


Post an RFE to <[email protected]> if you (or someone else) wants the
ability

to query the full source url from spec files and *.src.rpm headers.


hth


73 de Jeff

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