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Show installers version with --version option #481

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wkentaro
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Specifically, pip and setuptools version is crucial because
pip distributed on apt is very old on Ubuntu 14.04.
I think showing the version of installer helps user to resolve
their issue caused by old package managing tools.

Usage:

$ rosdep --version
source version unknown
rosdep version 0.11.5
apt-get version 1.0.1ubuntu2
pip version 8.1.2
setuptools version 28.6.1
gem version 1.8.23

Specifically, pip and setuptools version is crucial because
pip distributed on apt is very old on Ubuntu 14.04.
I think showing the version of installer helps user to resolve
their issue caused by old package managing tools.

Usage:

  $ rosdep --version
  gem version unknown
  source version unknown
  rosdep version 0.11.5
  apt-get version 1.0.1ubuntu2
  pip version 8.1.2
  setuptools version 28.6.1
@wjwwood wjwwood mentioned this pull request Feb 9, 2017
@wjwwood
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wjwwood commented Feb 9, 2017

I think this is useful, but I cannot accept this as a change to --version, since I know people are using rosdep --version in scripts and expecting just the version number to come back.

So I opened #499, but I'll have to decline this one.

@wjwwood wjwwood closed this Feb 9, 2017
@wkentaro wkentaro deleted the show-installers-version branch April 24, 2017 00:59
wjwwood added a commit that referenced this pull request Apr 28, 2017
* Show installers version with --version option

Specifically, pip and setuptools version is crucial because
pip distributed on apt is very old on Ubuntu 14.04.
I think showing the version of installer helps user to resolve
their issue caused by old package managing tools.

Usage:

  $ rosdep --version
  gem version unknown
  source version unknown
  rosdep version 0.11.5
  apt-get version 1.0.1ubuntu2
  pip version 8.1.2
  setuptools version 28.6.1

* add option --all-versions

other fix ups as well and added Homebrew/Macports
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2 participants