xdg-mime, Ubuntu 18.04, RubyMine-2018.2, Gnome, BetterErrors

0_HOW.md

Make files, do chmod +x, modify existing files; RubyMine -> tools -> create command line launcher.

Execute:

xdg-mime default rubymine.desktop x-scheme-handler/rubymine

Check output:

xdg-mime query default x-scheme-handler/rubymine

better_errors.rb

# /home/scout/git/get-the-boat/config/initializers/better_errors.rb

if defined?(BetterErrors)
  BetterErrors.editor = "rubymine://open?file=%{file}&line=%{line}" # same same as into /home/scout/.local/bin/mine-open.sh
end

mime_open.sh

#!/usr/bin/env ruby
#encoding: UTF-8
# /home/scout/.local/bin/mine-open.sh
#script opens URL in format `rubymine://open?file=%{file}&line=%{line}` in RubyMine

require 'uri'

url = ARGV.first
/file=(?<file>.+)&line=(?<line>\d+)/ =~ url # same same as into initializers/better_errors.rb
file_arg = URI.unescape(file)
line_arg = line ? ":#{line}" : ""
cmd = "mine #{file_arg}#{line_arg}"
`#{cmd}`

mimeinfo.cache

# ~/.local/share/applications/

[MIME Cache]
x-scheme-handler/rubymine=rubymine.desktop;

rubymine.desktop

# ~/.local/share/applications/rubymine.desktop

[Desktop Entry]
Encoding=UTF-8
Version=1.0
Type=Application
Exec=/home/scout/.local/bin/mine-open.sh %u
MimeType=x-scheme-handler/rubymine;
Name=Rubymine
Comment=BetterErrors

TODO:: https://unix.stackexchange.com/questions/497146/create-a-custom-url-protocol-handler