Re: Version string of package

[Takashi Yano <takashi.yano@nifty.ne.jp>]

On Fri, 13 Jan 2023 13:22:44 +0000
Jon Turney wrote:
> On 13/01/2023 11:52, Takashi Yano via Cygwin-apps wrote:
> > Hi,
> > 
> > Is it allowed to include '-' in version string (e.g. '20230113-stable')?
> > I'm asking because mksetupini warns:
> > 
> > mksetupini: file 'xxx.tar.xz' in package yyy contains '-' in version
> > 
> > though it works as expected.
> 
> Short answer:
> 
> It's a bug that this isn't a fatal error.  Please don't do it!
> 
> Long answer:
> 
> Package naming in Cygwin has a long and tangled history. This isn't 
> explicitly precluded by the rules at [1], but probably should be.
> 
> (Fedora, which we generally follow for packaging rules, now doesn't 
> allow '-' in versions, just digits, letters and '.')
> 
> We need to be able to unambiguously separate a NVR string into the 
> package name, version and release.
> 
> Underscores are allowed in package names, so the simple approach of 
> splitting on the rightmost two hyphens would work, if we don't allow 
> exceptions like this.
> 
> (We can get it right in this case, because we have a piece of extra 
> information: the directory the package is in, which happens to always be 
> named N in the current scheme of things, but we might want to change that)
> 
> [1] https://cygwin.com/packaging-package-files.html
> 
> 
> In any case, you should be suspicious of using upstream version names of 
> this form.  They may expect the 'stable' string to sort against other 
> strings based on meaning, rather than alphabetically (e.g. 
> '20230113-testing' is considered greater, which is probably not what's 
> wanted)

Thanks for the answer.

I'll use version 20230113 with release 1.g<git hash tag>
e.g. package-name-20230113-1.g123456789abc like
cygwin test package.

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>