On Wed, Jan 04, 2006 at 12:58:29AM +0100, Marc Haber wrote:
> Please at least offer the possibility to pass parameters to hook
> scripts (so that update-grub could get a --silent option), or - even
> better - to use a shell for hook script invocation so that constructs
> like
>
> postinst_hook = /sbin/update-grub > /dev/null 2>&1
>
> become possible by forcibly silencing the hook script until the hook
> script has been adapted.
In contradiction to what has been said on IRC, this is not possible at
the moment. The postinst script takes the first token after the "="
and execs that token. So, when
postinst_hook = /sbin/update-grub > /dev/null 2>&1, /sbin/update-grub
is called with the output not redirected, when
postinst_hook = /bin/sh -c /sbin/update-grub > /dev/null 2>&1, /bin/sh
is called with the kernel version number as parameter, which is a
silent error, and when
postinst_hook = "/bin/sh -c /sbin/update-grub > /dev/null 2>&1, a
non-existent "/bin/sh is called, which is also a silent error.
Thus, I would like to ask for a little more intelligence, allowing
constructs like
postinst_hook = /sbin/update-grub > /dev/null 2>&1 or
postinst_hook = sh -c "/sbin/update-grub > /dev/null 2>&1"
Additionally, the postinst should not silently ignore the configured
hook if the program cannot be found, and it should probably warn on
if the hook exists with non-zero return code as well.
Greetings
Marc
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Marc Haber | "I don't trust Computers. They | Mailadresse im Header
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