[aur-general] Revise VCS packages versioning

[William Giokas]

On Wed, Oct 30, 2013 at 09:49:11PM -0700, Anatol Pomozov wrote:
> Hi
> 
> On Wed, Oct 30, 2013 at 8:51 PM, Jerome Leclanche <adys.wh at gmail.com> wrote:
> > As someone who maintains a lot of git packages, I wish, I really wish
> > there was a *standardized* way of writing a pkgver that would output
> > the appropriate format whether there are tags pushed upstream or not.
> 
> That is what I intended to propose next.
> 
> As the regexp become more complicated it is better if makepkg will
> take care of generating the package version. I think makepkg should
> have a shell function, something like 'generate_pkgver_vcs()' that
> user can use in pkgver().
> 
> e.g.
> 
> pkgver() {
>   cd repo
>   generate_pkgver_vcs()
> }
> 
> This function will
> 1) Find what VCS is used
> 2) Generate appropriate VCS version
> 

I would urge you to look at one of the newer features of pacman,
makepkg-template. You can do such things as this very easily. I already
maintain a small and probably awful repository[1]/package[2] with a few
VCS pkgver functions that you can use. Mostly they have been taken from
the wiki, though I do have a nice, long sed expression that does the
'r' prefixing (I wrote that talk article).

[1]: http://git.kaictl.net/wgiokas/makepkg-templates.git/
[2]: https://aur.archlinux.org/packages/makepkg-templates-ks-git/

--SNIP--
> >> Another issue is a repo that has no tags. Here is a recommendation
> >> from the wiki page:
> >>
> >> printf "%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
> >>
> >> that will use number of commits (a large number e.g. 3000). The
> >> problem arises when the project creates first tag e.g. 0.1. I suggest
> >> to fix this problem by using "0" as a tag version (and add prefix 'r'
> >> like in the previous item). This makes sure that non-tagged version is
> >> always less that a tagged version.
> >>
> >> So pkgver() will look like:
> >>
> >> printf "0.r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
> >>
> >> Let me know if you have any objections. If not then I'll update the wiki page.

This is not needed at all. If the project starts using tags, use an
epoch= to set all versions from then on to be greater than the original
versions with rev-list.

Thanks,
-- 
William Giokas | KaiSforza | http://kaictl.net/
GnuPG Key: 0x73CD09CF
Fingerprint: F73F 50EF BBE2 9846 8306  E6B8 6902 06D8 73CD 09CF
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