[Bug 1749777] Re: Syntax tweaks for snap-friendly output

[David Britton]

Just copying over my description from Bug #1752185 here for reference:

--------------------------------

Bionic:

dpb at bierstadt:~[]$ jq
The program 'jq' can be found:
 + snap 'jq'
 * deb 'jq'

Xenial:

dpb at helo:~[]$ jq
The program 'jq' is currently not installed. You can install it by typing:
sudo apt install jq

--------------------------------

Some Observations that could use cleaning up:

1) why '+' for one and '*' for the other?

2) Neither of these things printed were as nice as what shows up on
xenial, missing what the problem was: "program not currently installed",
and the what the solution is. Perhaps s/can/cannot/? Still I prefer the
previous reading in c-n-f.

3) Users may not be familiar with what 'deb' is, or what 'snap' is for
that matter. They are more likely focused on the thing that can help
solve their problem (sudo snap install jq, sudo apt install jq).


Versions used:

ii command-not-found 0.3ubuntu18.04.0~pre4 all Suggest installation of packages in interactive bash sessions
ii command-not-found-data 0.3ubuntu18.04.0~pre4 amd64 Set of data files for command-not-found.
ii python3-commandnotfound 0.3ubuntu18.04.0~pre4 all Python 3 bindings for command-not-found.

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https://bugs.launchpad.net/bugs/1749777

Title:
  Syntax tweaks for snap-friendly output

Status in command-not-found:
  In Progress
Status in command-not-found package in Ubuntu:
  In Progress

Bug description:
  Would it be possible to change 'found' to 'installed', and show
  potential versions? For example:

  $ aws
  The program 'aws' can be installed as:
   * snap 'aws-cli' (1.14.38) 
   * deb 'awscli' (1.14.36-1)

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