Re: rev-parse, unknown arguments and extended sha1's

[Linus Torvalds <torvalds@osdl.org>]

On Fri, 24 Jun 2005, Sven Verdoolaege wrote:
>
> This is what I use:
> 
> rev2=`echo $rev | sed -e 's/[^0-9a-f]//'`
> rev3=`echo $rev2 | sed -e 's/........................................//'`
> if test "x$rev3" = "x" -a "x$rev" = "x$rev2"; then
> 	echo "valid SHA1"
> fi

Oooh. UGGHLEE.

This is one reason I don't do much shell.

Anyway, I think I'll make git-rev-parse have some option to "error out if 
the result is anything but a single revision number", since this is really 
the only reason for git-rev-parse in the first place: to make readable 
scripts.

		Linus