On Fri, 2017-12-01 at 19:34 +0100, Henning Schild wrote: > Am Fri, 1 Dec 2017 16:51:12 +0000 > schrieb Ben Hutchings <ben@xxxxxxxxxxxxxxx>: > > > On Fri, 2017-12-01 at 15:56 +0000, Henning Schild wrote: > > > The debian packages coming out of "make *deb-pkg" lack some critical > > > information in the control-files e.g. the "Depends:" field. If one > > > tries to install a fresh system with such a "linux-image" > > > debootstrap or multistrap might try to install the kernel before > > > its deps and the package hooks will fail. > > > > I assume you're talking about those hook scripts being run while the > > packages they belong to are only unpacked? I hadn't thought about > > this issue, but it seems to me that those hook scripts generally > > ought to be fixed to handle this case properly. Most of the packages > > installing hook scripts for kernel packages are not going to be > > dependencies of linux-image packages, so it will never be safe for > > them to assume their package has been fully installed. > > Yes these hook scripts fail when installing the kernel on another > system. Indeed we seem to have a case where packages installed on the > build-machine cause install-time deps for the package. Can you give an example? I don't see how that would happen. > In my case the build-machine is pretty minimal but i still want some of > that i.e. initramfs. > > > > Different debian-based distros use different values for the missing > > > fields. And the values differ between distro versions as well. So > > > hardcoding of e.g. "Depends" is not possible. > > > > The dependencies also depend on the kernel configuration. (And a > > custom kernel built with 'make deb-pkg' often won't have any > > dependencies outside of essential packages.) > > In fact it does not have any at the moment, there is no essential. Or > maybe that is hidden in debian-magic. [...] Essential packages are always installed, which means there is no need to declare a dependency on them (in fact it is discouraged): https://www.debian.org/doc/debian-policy/#dependencies Ben. -- Ben Hutchings When in doubt, use brute force. - Ken Thompson
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