fish_update_completions
fish_update_completions parses manual pages installed on the system, and attempts to create completion files in the fish configuration directory.
This does not overwrite custom completions.
There are no parameters for fish_update_completions.
© 2005-2009 Axel Liljencrantz, 2009-2026 fish-shell contributors
Licensed under the GNU General Public License, version 2.
https://fishshell.com/docs/4.5/cmds/fish_update_completions.html