On Thu, Feb 27, 2014 at 07:56:52PM +0700, Nguyễn Thái Ngọc Duy wrote:
> --sort=version:refname (or --sort=v:refname for short) sorts tags as
> if they are versions. --sort=-refname reverses the order (with or
> without ":version").
> versioncmp() is copied from string/strverscmp.c in glibc commit
> ee9247c38a8def24a59eb5cfb7196a98bef8cfdc, reformatted to Git coding
> style. The implementation is under LGPL-2.1 and according to  I can
> relicense it to GPLv2.
This looks good to me. One minor typo:
> diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt
> index 404257d..9b05931 100644
> --- a/Documentation/git-tag.txt
> +++ b/Documentation/git-tag.txt
> @@ -95,6 +95,12 @@ OPTIONS
> using fnmatch(3)). Multiple patterns may be given; if any of
> them matches, the tag is shown.
> + Sort in a specific order. Supported type is "refname"
> + (lexicographic order), "version:refname" or "v:refname" (tags
> + name are treated as versions). Prepend "-" to reverse sort
s/tags name/tag names/
You had mentioned earlier tweaking the version comparison to handle
things like -rc better. I think that can come on top of this initial
patch, but we should probably figure out the final sort order before
including this in a release.
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