On Thu, 29 Mar 2012 08:32:18 +0200 Gian Piero Carrubba wrote: > * [Wed, Mar 28, 2012 at 11:59:31PM +0200] Francesco Poli: > >Mmmh, I don't think we can assume that sudo is installed, just because > >we are within an sudo environment (with $SUDO_USER set). > >Maybe we are inside a chroot environment and we entered by using sudo > >from the outside. Package sudo is *not* necessarily installed *inside* > >the chroot environment... > > Oh, I see. More generally, this is an argument against the whole > 'switching-the-user' point: the same user pointed by $SUDO_USER isn't > guaranteed to exist inside the chroot.
Yes, I agree. > > >After rebuilding apt-listbugs with your proposed modification, > >I enter the chroot environment (B50shell_pdeb hook script), > > Thanks for the explanation, I was really puzzled by the mysterious > behaviour :) > In http://www.inventati.org/frx/progs/scripts/B50shell_pdeb I read: > > /bin/bash < /dev/tty > /dev/tty 2> /dev/tty > > Redirecting to/from the tty is evil, Thanks to you for spotting this, I didn't remember those redirections in that hook script! I am of course open to suggestions on how to improve B50shell_pdeb, so feel free to speak up, in case you have any good idea! > and chaining such > redirections is double evil for sure. Or is it evil^2 ? Well, anyway too > much evilness to defeat, I don't think there's a simple workaround for > it (for some meaning of 'simple'). > > >(even though I don't understand the use of the $n variable in "read p v > >n"...) > > Oh, nothing (actually, it stands for 'null' or 'notcaringabout'), just > compulsory scripting for capturing the tail (if any) and not clobbering > the previous variable. Or if you feel like: > test -n "$n" || continue # These aren't the droids you're looking for Ah, right, just in case something else appears after the first two fields. Thanks for the explanation. > > Ciao, Ciao! ;-) -- http://www.inventati.org/frx/frx-gpg-key-transition-2010.txt New GnuPG key, see the transition document! ..................................................... Francesco Poli . GnuPG key fpr == CA01 1147 9CD2 EFDF FB82 3925 3E1C 27E1 1F69 BFFE
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