Le jeudi 11 septembre 2008 à 21:44 +0200, David Paleino a écrit : > On Thu, 11 Sep 2008 20:24:53 +0200, Josselin Mouette wrote: > > You cannot install packages in a triggered script, or in whatever way > > that will be determined from within a package itself. > > Is there any particular reason for this? Yes, launching dpkg requires locking the database, and the database is already locked within a dpkg run. > I've seen aptitude doing something similar (i.e. running multiple times with a > single launch)... am I wrong? Aptitude may launch dpkg several times, but the order of the runs is determined before. > Let me clarify the idea: isn't it possible to make a "dkms trigger", that > runs on installation of linux-image-*? It should do the following: > > a) checks if autoinstall is set in dkms configuration; > b) if set to yes: > 1) start the install of the corresponding linux-headers-* package (a way to > programmatically determine the package name of this?); > 2) start the compilation of "in-tree" modules; (i.e. modules handled by dkms) > c) if set to no: > 1) print a message suggesting the installation of the above package; > 2) print a message suggesting what to do next > > From your reply, I understand that b1) wouldn't be possible to achieve. Why? > Can't triggers start external programs? Triggers are run from within dpkg, and cannot launch new APT/dpkg processes. And in all cases, it is fundamentally wrong to assume that APT can be invoked. -- .''`. : :' : We are debian.org. Lower your prices, surrender your code. `. `' We will add your hardware and software distinctiveness to `- our own. Resistance is futile.
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