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From: Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH v3] stash: handle specifying stashes with spaces
Date: Thu, 09 Jan 2014 10:42:18 -0800
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To: =?utf-8?Q?=C3=98ystein?= Walle <oystwa@gmail.com>
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In-Reply-To: <loom.20140108T003945-67@post.gmane.org> (=?utf-8?Q?=22=C3=98?=
 =?utf-8?Q?ystein?= Walle"'s
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=C3=98ystein Walle <oystwa@gmail.com> writes:

> But it's seems the spaces trigger some other way of interpreting the
> selector. In my git.git, git rev-parse HEAD{0} gives me the same resu=
lt
> as HEAD@{ 0 } but HEAD@{1} and HEAD@{ 1 } are different.

The integer to specify the nth reflog entry (or nth prior checkout)
are never spelled with any SP stuffing. HEAD@{1} is the prior state,
HEAD@{-1} is the previous branch; HEAD@{ 1 } nor HEAD@{ -1 } do not
mean these things.

Any string inside @{...} that is _not_ a valid nth reflog entry
specifier is interpreted as a human-readable timestamp via the
approxidate logic (and used only when it makes sense).  " 1" happens
to mean "the first day of the month".