From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <junkio@cox.net>
Subject: Re: Pushing a single tag (ref + object)?
Date: Wed, 19 Oct 2005 09:58:12 -0700
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To: Linus Torvalds <torvalds@osdl.org>
In-Reply-To: <Pine.LNX.4.64.0510190702360.3369@g5.osdl.org> (Linus Torvalds's
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Linus Torvalds <torvalds@osdl.org> writes:

> It does all this magic to set "x", but then it never uses it, and uses 
> "$@" instead after all. Which it has shifted all away. 

Your /bin/sh scripting is rotting ;-) That is not a variable.
If you saw the script actually used the value 'x' then you have
spotted a bug.

That 'x' is not a magic but an old idiom to protect 'set' from
getting confused by "$1" that happens to begin with a '-'.
Setting random things is done by "set x random things"
immediately followed by shifting that x away.