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Re: GIT: Monotonically increasing trunk and release branch ids


On Sat, Jan 11, 2020 at 07:43:17AM -0600, Segher Boessenkool wrote:
> On Fri, Jan 10, 2020 at 07:50:02PM +0100, Jakub Jelinek wrote:
> > Maybe even add https://gcc.gnu.org/gNNNNNNN for 7-40 hexadecimal digits
> > redirect to https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=NNNNNNN
> > and then just put as URL those
> > https://gcc.gnu.org/g3b2b821c3f1bac2ac6dd2481f461ec33a13eac9b
> > URLs instead to make it somewhat shorter, and again teach bugzilla to
> > URLize g3b2b821c3f1bac2ac6dd2481f461ec33a13eac9b with 7-40 hexadecimal
> > digits. 
> 
> Please never post links with a short hash.  Those *will* collide after a
> while, making your link go stale.  Use at least ten chars, or twelve to
> be save (and it is a nice round number).

Yeah, the 7 was just that it is what git describe prints by default,
in the git-hooks tentative patch I've posted today it would use the
r10-1234 style ids in the subject (those will never collide) and in
the body the
r10-1234-g3b2b821c3f1bac2ac6dd2481f461ec33a13eac9b
style one.

	Jakub


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