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On Fri, 22 Mar 2019 at 12:46:12 +0100, William Gathoye wrote:
On 3/21/19 5:46 PM, Guilhem Moulin wrote:
JOIN'ing (ON h.sha256) the result of that query with a similar one (on
downloadarchive) we should be able to populate a static map for
ngx_http_map_module.  That's likely to be more robust than a map
obtained by manually scrapping HTML :-P

For sure, but how will be materialized this map table in practice, in
terms of links?

Assuming a point in the future where 6.1.5, 6.2.1, and testing/6.2.2 are
no longer served by the mirror network, but stable/6.2.2 still is:

    curl -sw"%{http_code} %{redirect_url}\\n" \
        -o/dev/null 
https://download.documentfoundation.org/libreoffice/stable/6.1.5/mac/x86_64/LibreOffice_6.1.5_MacOS_x86-64.dmg
 \
        -o/dev/null 
https://download.documentfoundation.org/libreoffice/stable/6.2.1/deb/x86_64/LibreOffice_6.2.1_Linux_x86-64_deb.tar.gz
 \
        -o/dev/null 
https://download.documentfoundation.org/libreoffice/stable/6.2.2/win/x86/LibreOffice_6.2.2_Win_x86.msi
 \
        -o/dev/null 
https://download.documentfoundation.org/libreoffice/testing/6.2.2/win/x86/LibreOffice_6.2.2.2_Win_x86.msi
    302 
https://downloadarchive.documentfoundation.org/libreoffice/old/6.1.5.2/mac/x86_64/LibreOffice_6.1.5.2_MacOS_x86-64.dmg
    302 
https://downloadarchive.documentfoundation.org/libreoffice/old/6.2.1.2/deb/x86_64/LibreOffice_6.2.1.2_Linux_x86-64_deb.tar.gz
    302 $MIRROR_BASEURL/libreoffice/testing/6.2.2/win/x86/LibreOffice_6.2.2.2_Win_x86.msi
    302 
https://downloadarchive.documentfoundation.org/libreoffice/old/6.2.2.2/win/x86/LibreOffice_6.2.2.2_Win_x86.msi

For the glory details, the map for ngx_http_map_module, populated from
the JOIN'ed queries:

    map $uri $archived_uri {
        "/libreoffice/stable/6.1.5/mac/x86_64/LibreOffice_6.1.5_MacOS_x86-64.dmg"        
"/libreoffice/old/6.1.5.2/mac/x86_64/LibreOffice_6.1.5.2_MacOS_x86-64.dmg";
        "/libreoffice/stable/6.2.1/deb/x86_64/LibreOffice_6.2.1_Linux_x86-64_deb.tar.gz" 
"/libreoffice/old/6.2.1.2/deb/x86_64/LibreOffice_6.2.1.2_Linux_x86-64_deb.tar.gz";
        "/libreoffice/stable/6.2.2/win/x86/LibreOffice_6.2.2_Win_x86.msi"                
"/libreoffice/old/6.2.2.2/win/x86/LibreOffice_6.2.2.2_Win_x86.msi";
        "/libreoffice/testing/6.2.2/win/x86/LibreOffice_6.2.2.2_Win_x86.msi"             
"/libreoffice/old/6.2.2.2/win/x86/LibreOffice_6.2.2.2_Win_x86.msi";
        […]
    }

Then in a 404 handler for the proxy's status code (not tested):

    if ($archived_uri != "") {
        return 302 https://downloadarchive.documentfoundation.org$archived_uri;
    }
    return 404 /path/to/404.html;

I can certainly do that, but to be useful that map would need to be
automatically updated during the releng process, so I'll let cloph
decide if that's viable.

Yes. If you can update us of his answer in this list, as soon you get
more info that would be nice.

I assume he'll be reading this once he's back from vacation :-)
 
Also, I forgot to mention, but if you could offer a link that point to
the latest versions for both branch still and fresh, that would be nice
of you. Or at least something that can be parsed with ease (to determine
the latest version and link to these latest versions). Chocolatey and
Homebrew, both using a fragile parsing solution for LibreOffice, will
appreciate.

This was brought up during the Dec 2018 infra call, and rejected.  See
the minutes for the discussion.

-- 
Guilhem.

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