Flatpak for nomacs

This is my personal flathub cheatsheet

Build it

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
./build.sh

Test it

flatpak-builder --run build_x86_64 org.nomacs.ImageLounge.json nomacs

Update

push a commit with Update org.nomacs.ImageLounge.json to update the package on flathub