[Slackbuilds-users] DOWNLOAD advice for github

[Doogster]

Thank, David and Heinz. That's great.

On Sat, May 14, 2016 at 10:06 AM, Andrzej Telszewski
<atelszewski at gmail.com> wrote:
> On 14/05/16 18:35, David Spencer wrote:
>>
>> Hi everybody,
>>
>> For maintainers, here's some advice about what to put in DOWNLOAD in
>> the .info file for github URLs.
>>
>> NOTE: you don't need to change any of your existing files, this is
>> just some general advice that we hope you will find helpful and
>> interesting and useful. Also, this is not related to 14.2, it is
>> actually some new advice about github that Heinz worked out yesterday
>> :)
>>
>> Hopefully, most of you know already that github is "clever" with
>> download URLs. It uses an HTTP "content disposition" header to tell
>> browsers the name of the archive that githib has dynamically created.
>> But by default wget and curl do not use the "content disposition"
>> header and use the last component of the URL as a filename. Therefore
>> (until now) our SlackBuilds have needed to try both possible names for
>> the download, e.g.
>>
>> tar xvf $CWD/v$VERSION.tar.gz || tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
>>
>> So, here's the new advice: Heinz has worked out that if we use (for
>> example)
>>
>>
>> DOWNLOAD="https://github.com/trizen/clyrics/archive/0.04/clyrics-0.04.tar.gz"
>>
>> then the archive will *always* be named clyrics-0.04.tar.gz, even if
>> we use wget or curl, and so we can just do the usual tar command in
>> the SlackBuild:
>>
>> tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
>>
>> Apparently this will even work nicely for projects that include the
>> project name in the git tag, e.g.
>>
>>
>> DOWNLOAD="https://github.com/christophgysin/pasystray/archive/0.5.2/pasystray-0.5.2.tar.gz"
>>
>> so we can now stop using confusing and ugly commands like these:
>>
>> rm -rf $PRGNAM-$PRGNAM-$VERSION
>> tar xvf $CWD/$PRGNAM-$PRGNAM-$VERSION.tar.gz
>> cd $PRGNAM-$PRGNAM-$VERSION
>>
>> I hope this is helpful to you.  Thanks to Heinz for finally working
>> out the right way of handling this!
>>
>> Best regards to everybody
>> -D.
>>
>> ps. If I've made any mistakes above, corrections will be gratefully
>> received :D
>
>
> Well appreciated!
>
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>>
>
>
> --
> Best regards,
> Andrzej Telszewski
>
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