/usr/share/fish/completions/locate.fish is in fish-common 2.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | complete -c locate -s A -l 'all' -d 'Match all non-option arguments'
complete -c locate -s b -l 'basename' -d 'Match against the base name of the file'
complete -c locate -s c -l 'count' -d 'Print only the number of matches found'
complete -c locate -s d -l 'database' -r -d 'Use different DATABASE file[s]'
complete -c locate -s e -l 'existing' -d 'Match only existing files'
complete -c locate -s L -l 'follow' -d 'Consider broken symbolic links to be non-existing files'
complete -c locate -s P -l 'nofollow' -d 'Treat broken symbolic links as if they were existing'
complete -c locate -s H -l 'nofollow' -d 'Treat broken symbolic links as if they were existing'
complete -c locate -s i -l 'ignore-case' -d 'Ignore case distinctions'
complete -c locate -s l -l 'limit' -r -d 'Limit the number of matches'
complete -c locate -s 0 -l 'null' -d 'Use ASCII NUL as a separator'
complete -c locate -s S -l 'statistics' -d 'Print statistics about databases and exit'
complete -c locate -s w -l 'wholename' -d 'Match against the whole name of the file'
complete -c locate -s r -l 'regex' -d 'The pattern is a regular expression'
complete -c locate -s h -l 'help' -d 'Print a summary of the options and exit'
complete -c locate -s V -l 'version' -d 'Print the version number and exit'
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