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function _complete_nix {
local -a words
local cword cur
_get_comp_words_by_ref -n ':=&' words cword cur
local have_type
while IFS= read -r line; do
local completion=${line%% *}
if [[ -z $have_type ]]; then
have_type=1
if [[ $completion == filenames ]]; then
compopt -o filenames
elif [[ $completion == attrs ]]; then
compopt -o nospace
fi
else
COMPREPLY+=("$completion")
fi
done < <(NIX_GET_COMPLETIONS=$cword "${words[@]}" 2>/dev/null)
__ltrim_colon_completions "$cur"
}
complete -F _complete_nix nix
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