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Re: resolving ambiguity in action stamps
From: |
Eric S. Raymond |
Subject: |
Re: resolving ambiguity in action stamps |
Date: |
Sat, 13 Sep 2014 06:50:58 -0400 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Harald Hanche-Olsen <address@hidden>:
> ["Stephen J. Turnbull" <address@hidden> (2014-09-13 06:57:15 UTC)]
>
> > The branch heads *have* canonical names: the SHA1 of the commit.
>
> Eek. Isn't part of the point to not rely on internals of the version
> control system? Even if the sources stay on git from now to eternity,
> git itself might abandon SHA1 at one point. It is, after all, not
> cryptographically secure. Also, branch heads move to new commits all
> the time. And branches merge. Not at all sure I understand what you
> are proposing.
Both of Harald's objections are, alas, sound. In particular, the
branch total ordering is not useful if any commit can arbitrarily
permute it.
The hash of the branch's *root* node would be better. But that still
leaves the two of the three problems unsolved.
--
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
- Re: Everyone, please stop making my life more difficult, (continued)
- resolving ambiguity in action stamps (was: Everyone, please stop making my life more difficult), Joshua Judson Rosen, 2014/09/12
- Re: resolving ambiguity in action stamps (was: Everyone, please stop making my life more difficult), Eric S. Raymond, 2014/09/12
- Re: resolving ambiguity in action stamps, Joshua Judson Rosen, 2014/09/12
- Re: resolving ambiguity in action stamps (was: Everyone, please stop making my life more difficult), Stephen J. Turnbull, 2014/09/12
- Re: resolving ambiguity in action stamps (was: Everyone, please stop making my life more difficult), Eric S. Raymond, 2014/09/13
- Re: resolving ambiguity in action stamps (was: Everyone, please stop making my life more difficult), Stephen J. Turnbull, 2014/09/13
- Re: resolving ambiguity in action stamps, Harald Hanche-Olsen, 2014/09/13
- Re: resolving ambiguity in action stamps,
Eric S. Raymond <=
- Re: resolving ambiguity in action stamps, Yuri Khan, 2014/09/13
- Re: resolving ambiguity in action stamps, Stephen J. Turnbull, 2014/09/14
- Re: resolving ambiguity in action stamps, Eric S. Raymond, 2014/09/14
- Re: resolving ambiguity in action stamps, David Kastrup, 2014/09/14
- Re: resolving ambiguity in action stamps, Stephen J. Turnbull, 2014/09/14
- Re: resolving ambiguity in action stamps, David Kastrup, 2014/09/14
- Re: resolving ambiguity in action stamps, Stephen J. Turnbull, 2014/09/14
- Re: resolving ambiguity in action stamps, Eric S. Raymond, 2014/09/14
- Re: resolving ambiguity in action stamps, Stephen J. Turnbull, 2014/09/14
- Re: resolving ambiguity in action stamps, David Kastrup, 2014/09/14