Duy Nguyen <pclo...@gmail.com> writes:
> On Sun, Feb 2, 2014 at 5:37 PM, David Kastrup <d...@gnu.org> wrote:
>> in the context of an ongoing discussion on the Emacs developer list of
>> converting the Bzr repository of Emacs, one question (with different
>> approaches) is where to put the information regarding preexisting Bazaar
>> revision numbers and bug tracker ids: those are not present in the
>> current Git mirror.
>> Putting them in the commit messages would require a full history
>> rewrite, and if some are missed in the process, this cannot be fixed
> What do you need them for?
Resolving references typically found in commit messages. Also
establishing correlation to bug issue numbers.
> Perhaps putting everything in a file, maybe sorted by SHA-1, would
> suffice? It should not be too hard to write a script to map bug
> tracker id to a commit id.
We are not talking about "it should not be too hard". We are talking
about "obvious and reliable enough to render a complete history rewrite
> The file is for past commits only.
> New commits can contain these info in their messages.
If it's not forgotten. Experience shows that things like issue numbers
have a tendency to be omitted, and then they stay missing.
At any rate, this is exactly the kind of stuff that tags are useful for,
except that using them for all that would render the "tag space"
Rest assured that the "standard" answers have been beat to death in the
Emacs developer list thread several times over.
So I'm more interested in getting actual answers dealing with the
question I have asked rather than suggestions for questions that would
be easier to answer.
Since Git has a working facility for references that is catered to do
exactly this kind of mapping and already _does_, it seems like a
convenient path to explore.
It apparently even already works with --decorate:
commit c92b1fb3ad8514f08fc4cec531211717955a5c29 (tag: release/2.19.1-1,
origin/release/unstable, tag: refs/bzr/r15000)
Author: Phil Holmes <m...@philholmes.net>
Date: Sun Jan 19 15:01:48 2014 +0000
Release: update news.
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