Adding subl// handlers Ignition error page links to Sublime Text 3

subl-handler

Based on

- https://github.com/toch/subl-handler
- https://askubuntu.com/questions/250847/sublime-text-url-handler-for-ubuntu

A link to a file on an Ignition error page looks like this:
subl://open?url=file://%2Fvar%2Fwww%2Fprojects%2Froutes%2Fweb.php&line=439

Create the following installer somewhere in your home folder (this script uses $HOME/bin), then make it executable and run it:

#!/bin/bash

mkdir -p $HOME/bin
cat > $HOME/bin/subl-handler <<EOF
#!/bin/bash

request="${1#*://}"                # Remove schema from url (subl://)
request="${request#*?url=file://}" # Remove open?url=file://
request="${request//%2F//}"        # Replace %2F with /
request="${request/&line=/:}"      # Replace &line= with :

subl "$request"                    # Launch sublime
EOF
chmod u+x $HOME/bin/subl-handler

mkdir -p $HOME/.local/share/applications/
cat > $HOME/.local/share/applications/subl-handler.desktop <<EOF
[Desktop Entry]
Name=subl-handler
Comment=Sublime Text URI scheme subl:// handler
Exec=$HOME/bin/subl-handler %u
Terminal=0
Type=Application
X-MultipleArgs=True
MimeType=x-scheme-handler/subl
Encoding=UTF-8
Categories=Application;
EOF

update-desktop-database $HOME/.local/share/applications/
xdg-mime default subl-handler.desktop x-scheme-handler/subl