The Linux world has agreed that
xdg-open is the tool that handles launching applications as a response to a user interacting with a URL, typically clicking a link or double clicking an icon.
If Gnome is installed, and running for the logged in user,
xdg-open hands over to
This tool uses couple of sources for deciding how to handle a URI.
I wanted my Gnome sessions to invoke a custom application I had built, when dealing with
This is what I did:
gvfs-mime --query x-scheme-handler/magnet lists the current applications that can handle
Getting gvfs to know about a new application typically means creating a Desktop Entry file.
I put mine in
~/.local/share/applications/magnet-thing.desktop, with the following content:
#!/usr/bin/env xdg-open [Desktop Entry] Version=1.0 Terminal=false Type=Application Name=Magnet Thing By Wendt Exec=/usr/local/bin/magnet %U Mimetype=x-scheme-handler/magnet
If the Mimetype isn’t enough, one can also run
gvfs-mime --set x-scheme-handler/magnet magnet-thing.desktop to associate the application with the mimetype.