On 24/02/15 00:32, Nuno Magalhães wrote:
On wheezy i don't see nginx-extras depending on udev or any systemd*.
I don't have jessie but i couldn't trace any dependencies on
packages.debian.org either. Where did you see these dependencies? Can
you apt-rdepend them? The closest i could find was nginx-extras »
nginx-common » init-system-helpers but it goes on to perl-base » dpkg
» libselinux1 » libpcre3 and that's it. Maybe i missed something in
libselinux1? Could you be using a third-party module that may have
other dependencies? I didn't check Recommends.
Yes, I need some of the nginx's third-party modules especially
HttpHeadersMore module. That is why I chose nginx-extras. I had some
issues on my VPS using nginx that I dpkg-buildpackage myself. I forgot
the detail of the issues as it was about 7 years ago. Since then I
decided to stay with what ever version of nginx-extras on testing
repository.
Did you mean to check the dependencies of nginx-extras to other packages
using "apt-cache depends"? If so here is the output.
# apt-cache depends nginx-extras
nginx-extras
Depends: nginx-common
Depends: perl
Depends: <perlapi-5.20.1>
perl-base
Depends: libc6
Depends: libexpat1
Depends: libgd3
Depends: libgeoip1
Depends: libluajit-5.1-2
Depends: libpam0g
Depends: libpcre3
Depends: libperl5.20
Depends: libssl1.0.0
Depends: libxml2
Depends: libxslt1.1
Depends: zlib1g
Suggests: nginx-doc
Conflicts: nginx-full
Conflicts: nginx-light
Breaks: nginx
It does not explicitly show the dependencies to the packages that depend
on any systemd related packages. But I remember that I can not install
nginx-extras after I cleaned up my VPS as much as possible from using
systemd related packages. Unfortunately, I didn't take a note of what
made it fails to install.
Your comment about "Recommends" makes me think that I didn't properly do
the clean up. I think I will re-do that, but start from Debian squeeze.
I will log my SSH window this time, as I don't want to re-do this.
Here is what I plan to do:
1. Re-install Xen DomU image of Debian squeeze
2. Add the following files:
# cat /etc/apt/preferences.d/blocksystemd
Package: *systemd*
Pin: origin ""
Pin-Priority: -1
#
# cat /etc/apt/apt.conf.d/77norecommends
APT::Install-Recommends "0";
APT::Install-Suggests "0";
3. Keep switching the repository from squeeze --> wheezy --> jessie -->
testing, and do dist-upgrade on each step
4. I will pin some of the packages to their previous version when they
fail to be upgraded
Due to the pinning, I might not get the latest version of packages from
testing repositories. But I think I can live with that until Devuan is
being released.
Is there anything that I need to add in order to really avoid using
anything related to systemd? Or perhaps, something that I need to do
which could provide more information on the dependencies on systemd and
its related packages, in case that would be needed for Devuan development?
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