AppStream is a metadata specification which permits software components to provide information about themselves to automated systems and end-users before the software is actually installed.
The appstream-generator tool generates AppStream metadata from the repositories of a software distribution. It currently supports the following repository formats / distributions: Debian, Ubuntu, Arch Linux, RPM-MD (Fedora, Mageia).
The generator will produce AppStream collection metadata files in the AppStream YAML or XML format to be shipped to users, as well as a detailed HTML report about found components and HTML and JSON reports on issues detected with the scanned metadata. It reads .desktop files as well as metainfo files, renders fonts, scales images, caches screenshots etc. to produce high-quality metadata for AppStream based software centers to consume. Usually, appstream-generator is integrated with the existing software build & packaging workflow of a distribution.
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap can be installed on Pop!_OS from the command line. Open Terminal from the Applications launcher and type the following:
sudo apt update
sudo apt install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To install appstream-generator, simply use the following command:
sudo snap install appstream-generator
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.
