Fetching tarball of a commit

[Ryan Schmidt]

On May 11, 2012, at 14:47, Daniel Ericsson wrote:

> On 11 maj 2012, at 17:16, Ryan Schmidt wrote:
> 
>> 
>> On May 11, 2012, at 10:03, Craig Treleaven wrote:
>> 
>>> So, I'm back working on a port of MythTV; thanks to Michael Dickens for finding and fixing a flaw in the QT4-mac port.  I really want to use a recent version of the Fixes/0.25 branch as some bugs affecting the Mac were fixed recently.  A Myth dev tells me that GitHub deliver the identical zipball for a particular commit (say 9ccfac11f3...) via:
>>> 
>>> https://github.com/MythTV/mythtv/zipball/9ccfac11f31d8d05d48092efcbec8015c68f6cc1
>>> 
>>> In Safari, this downloads "MythTV-mythtv-v0.25-84-g9ccfac1.zip".
>>> 
>>> I've tried several combinations of master_sites, distfiles, and distname with little success.  For example ...
>>> 
>>> set sha1_long       9ccfac11f31d8d05d48092efcbec8015c68f6cc1
>>> master_sites        https://github.com/MythTV/mythtv/zipball/
>>> distfiles           $sha1_long
>>> extract.suffix      {}
>>> checksums           rmd160  08598846aa0cf909a75c67c76183a6d044eff90a \
>>>                  sha256 e7d681ad0d1e22d87b11779665966627354b71864c4269f1d789cce9649ec120
>>> 
>>> This fetches a file (named "9ccfac11f31d8d05d48092efcbec8015c68f6cc1", 79.5 MB) which passes the checksum but fails to unzip, complaining "has more than one entry--rest ignored".  I'm still a neophyte with MacPorts, TCL and lots of other stuff!  ;)
>>> 
>>> Any suggestions on how to get this to work?  Might be useful in other cases, as well.
>> 
>> We have a github portgroup which you should use.
>> 
>> We should improve the github portgroup so that it can fetch tarballs from arbitrary revisions. Currently it only fetches tarballs for tags.
> 
> I do this in some local Portfiles, checking it now it's seems to get redirected, but it works.
> 
> PortSystem          1.0
> PortGroup           github 1.0
> 
> checksums           rmd160  38cf5c7de055057df1fc081d261e198d45127f3d \
>                    sha256  c866214e6c54731a8cf6a89b7c85b3c631db22db1228db63403ccf7aabca38cc
> 
> github.setup MythTV mythtv 9ccfac11f31d8d05d48092efcbec8015c68f6cc1

Yes, there's always a redirect involved. That's fine.

I just object to listing a git commit hash as if it were a version number, and would like a better solution than that.