Re: How can I automatically create a GIT branch that represents a sequence of tags?

From: Fredrik Gustafsson <iveqy@iveqy.com>
Date: Aug 11, 2013, 12:23 UTC
Message-ID: <20130811122308.GH25779@paksenarrion.iveqy.com>
In-Reply-To: <CAFw3YtSp4QLXHkycRmmQNYkvoR=2_qC9YYV1mFV3PiwfWHspzQ@mail.gmail.com>

On Sun, Aug 11, 2013 at 12:13:18PM +0100, Kristian Freed wrote:

Show 15 quoted lines

> On Sun, Aug 11, 2013 at 12:20 AM, Fredrik Gustafsson <iveqy@iveqy.com> wrote:
> > I don't understand, why is it better to find between which tags a error
> > was found and not in what commit. It's much easier to find a bug
> > introduced in a commit than in a tag/release. It sounds like you're
> > doing the bug hunting harder. Could you explain this further?
> 
> For better or worse, the current state includes a lot of noisy "fixing
> tests" type commits which I
> would like to automatically skip over when hunting bugs. This is not
> great and is being addressed,
> but I am trying to make the most of the historical data we have today
> - which does contain tags
> for all builds that passed automated testing etc but does not have
> only good commits on the related
> branch.

Thank you, that make sense (even if it's really sad to have such history).

Show 14 quoted lines

> 
> > My suggestion if you want to do this, is to have your buildtool to
> > checkout a special branch (let's call it tag_branch) do a git reset
> > to get the worktree from the newly tagged commit and commit on that
> > branch once for each tag it's creating, when it creates the tag.
> 
> I can see how this would work, but only for future builds. I would
> need something like it but loop
> over all existing tags as this is a problem with historical data.
> Could you please be more specific
> as to the steps required to automatically form a commit that
> represents the change between
> two commits (i.e. tags)?
>

Create an orphan branch: git checkout --orphan tag_branch

Now for every tag, t: git checkout t git reset --soft tag_branch git add . git commit -m "t"

-- 
Med vänliga hälsningar
Fredrik Gustafsson

tel: 0733-608274
e-post: iveqy@iveqy.com