It didn't work, and I don't know if it's because something was wrong with my "$@" script, because something is wrong with meld, because something is wrong with flatpak, because something is wrong with the configured permissions for flatpak permissions, because something is wrong with Mercurial (which invoked meld), or because something is wrong with my Mercurial configuration. I was a fool to believe I could use a GUI program on Linux.
@mcc I'm sorry to be the bearer of this news but
flatpak run --file-forwarding <dumb flatpak path> @@ <path to file> @@
If you have a fediverse account, you can quote this note from your own instance. Search https://fosstodon.org/users/dcbaok/statuses/114696381832770074 on your instance and quote it. (Note that quoting is not supported in Mastodon.)
