On Wed, Feb 07, 2007 at 09:58:12AM +0100, Jesper Juhl wrote:
> On 06/02/07, Oleg Verych <[email protected]> wrote:
> >scripts: replace gawk, head, bc with shell, update
> >
> > Replacing overhead of using some (external) programs
> > instead of good old `sh'.
> >
> >Cc: Roman Zippel <[email protected]>
> >Cc: Sam Ravnborg <[email protected]>
> >Cc: William Stearns <[email protected]>
> >Cc: Martin Schlemmer <[email protected]>
> >Signed-off-by: Oleg Verych <[email protected]>
> >---
> >
> > Whitespace cleanup included.
> >
> > scripts/gen_initramfs_list.sh | 43
> > +++++++++++++++++++++---------------------
> > scripts/makelst | 34 ++++++++++++++++-----------------
> > 2 files changed, 39 insertions(+), 38 deletions(-)
> >
> >Index: linux-2.6.20/scripts/makelst
> >===================================================================
> >--- linux-2.6.20.orig/scripts/makelst 2007-02-06 02:12:38.811908000 +0100
> >+++ linux-2.6.20/scripts/makelst 2007-02-06 02:12:43.688212750 +0100
> >@@ -1,31 +1,31 @@
> >-#!/bin/bash
> >+#!/bin/sh
>
> I don't like this change much. We don't know what shell /bin/sh is on
> a random users system - much better to be explicit and make sure we
> use/require bash.
> I expect this change to cause pain for users who have zsh, csh, ksh,
> ash or some other shell as /bin/sh but also have /bin/bash available.
> Previously things would just work, but now it will possibly break due
> to using a different shell.
I've tested on dash, that is `sh'. Everybody is welcome to test on his
favorite `/bin/sh' compatible shell.
It's very unclear from bash man page, where are extentions, and where are
common features. That particular script is small and non-bash oriented,
unlike gen_initramfs_list.sh [s/sh/bash].
Thus it's OK, even in scope of SUSv3 "incompatible" "%ul" in `printf'
(see my other reply on that).
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- References:
- [patch 0/3, resend] scripts, kbuild updates/fixes (against 2.6.20)
- [patch 1/3, resend] scripts: replace gawk, head, bc with shell, update
- Re: [patch 1/3, resend] scripts: replace gawk, head, bc with shell, update
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