[Bug 1794589] Re: libssl1.0-dev conflicts libssl-dev

[hakon]

I was able to install the nodejs package (8.11.4~dfsg-0ubuntu1)

https://packages.ubuntu.com/cosmic/nodejs

on Ubuntu 18.10 with "sudo apt-get install nodejs", but when I tried to install
npm (5.8.0+ds-2)

https://packages.ubuntu.com/cosmic/npm

It failed due to nodejs-dev depending on libssl1.0-dev. I solved this
issue by installing npm with the install script at:

https://github.com/npm/cli

That is, I used the following command:

curl -L https://www.npmjs.com/install.sh | sudo sh

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https://bugs.launchpad.net/bugs/1794589

Title:
  libssl1.0-dev conflicts libssl-dev

Status in nodejs package in Ubuntu:
  Confirmed
Status in openssl1.0 package in Ubuntu:
  Won't Fix
Status in nodejs source package in Bionic:
  Invalid
Status in openssl1.0 source package in Bionic:
  Won't Fix
Status in nodejs source package in Cosmic:
  Invalid
Status in openssl1.0 source package in Cosmic:
  Won't Fix

Bug description:
  [impact]

  The libssl1.0-dev package conflicts with the libssl-dev package, so
  this leads to all packages that depend on libssl1.0-dev to conflict
  with all packages that depend on libssl-dev; as well as all packages
  that depend on those packages (and so on).

  [test case]

  On a Bionic system (or Cosmic), install libssl-dev, and/or any package that depends on it:
  http://qa.ubuntuwire.org/rdepends/v1/bionic/any/libssl-dev

  Then, try to install libssl1.0-dev, or any package that depends on it:
  http://qa.ubuntuwire.org/rdepends/v1/bionic/any/libssl1.0-dev

  see comment 15 for an example of some packages that are force-removed
  when installing libssl1.0-dev, due to conflict.

  [regression potential]

  TBD after fix is determined

  [other info]

  Original description:

  ---

  The fix for https://bugs.launchpad.net/ubuntu/+source/nodejs/+bug/1779863
  is, not surprisingly, somewhat traumatic for some users.

  In my case, installing libssl1.0-dev causes libcurl4-openssl-dev,
  libssh-dev, and libssl-dev to be uninstalled, which makes some of our
  internal packages fail to build.

  Commenting out universe from bionic-updates in /etc/apt/sources.list
  would work around this, but that's not going to fly for everybody.

  nodejs appears to be the tail wagging the dog now, and that's rather
  uncomfortable.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: nodejs-dev (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
  Uname: Linux 4.15.0-34-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Sep 26 11:03:51 2018
  SourcePackage: nodejs
  UpgradeStatus: Upgraded to bionic on 2018-04-30 (148 days ago)

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