Le mardi, 3 janvier 2012 16.58:08, Axel Beckert a écrit : > Hi, > > Marco d'Itri wrote: > > If /tmp is noexec then the administrator mounted it this way and knows > > about it.
Another idea would be to use /usr/bin as temporary place for the old screen.
That would be a Policy violation but not a much "bigger" than using /tmp .
1) in screen/wheezy's `preinst upgrade`:
cp /usr/bin/screen /usr/bin/screen-old
touch /tmp/flag-screen-has-been-upgraded-no-reboot-yet
(+ appropriate mktemp and usual version and sanity checks)
2) This means that as long as the machine hasn't been rebooted (/tmp emptied),
both the new /usr/bin/screen and the old /usr/bin/screen-old exist for the
admin to use.
3) In a "screen-cleanup init script", test the inexistance of the flag and the
existance of /usr/bin/screen-old; in that case, `rm` it.
(+ appropriate version and sanity checks, + idempotency)
This is mostly the "put it under /tmp" idea minus the "noexec" caveat, plus
the "init script insanity" (which can be dropped in unstable as soon as Wheezy
is released).
Opinions ?
OdyX
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