[Issue 9316] New: Version string should be generated from a git tag

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9316

           Summary: Version string should be generated from a git tag
           Product: D
           Version: D1 & D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: leandro.lucarella at sociomantic.com


--- Comment #0 from Leandro Lucarella <leandro.lucarella at sociomantic.com> 2013-01-14 02:47:31 PST ---
Instead of having to change the version number manually, it would be better to
generate the version number from the git tag. For that there is a very handy
command called 'describe'.

git describe for a commit that have a tag pointing to it, returns the tag name.
What's also nice about it is if there isn't the command prints tag-n-hash,
where is the name of the last tag found, n is the number of commits on top of
it and hash is the current hash. This can make very easy to detect if a
compiler is a real release or a development snapshot and would make easier to
report bugs for betas, since you can tell exactly which snapshot you're using.

I will also suggest using the --dirty option to tell if the working copy was
"dirty" (with uncommitted changes) too.

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