165 lines
3.3 KiB
Bash
165 lines
3.3 KiB
Bash
#!/usr/bin/env bash
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# We're faking a `nix build` command-line to re-use Nix's own completion
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# for the few options passed through to Nix.
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_nixos-rebuild_pretend-nix() {
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COMP_LINE="nix build ${COMP_LINE}"
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# number of prepended chars
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(( COMP_POINT = COMP_POINT + 10))
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COMP_WORDS=(
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nix build
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"${COMP_WORDS[@]}"
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)
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# Add the amount of prepended words
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(( COMP_CWORD = COMP_CWORD + 2))
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_complete_nix "nix"
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}
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_nixos-rebuild() {
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local curr="$2"
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local prev="$3"
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local subcommandGiven=0
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local word
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local subcommand
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__load_completion nix
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# Arrays are re-ordered by the completion, so it's fine to sort them in logical chunks
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local all_args=(
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--verbose -v
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# nixos-rebuild options
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--fast
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--no-build-nix
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--profile-name -p # name
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--rollback
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--specialisation -c # name
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--use-remote-sudo
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--build-host # host
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--target-host # host
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# Used with list-generations
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--json
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# generation switching options
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--install-bootloader
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# nix-channel options
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--upgrade
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--upgrade-all
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# flakes options
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--commit-lock-file
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--flake # flake-uri
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--override-input # input-name flake-uri
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--recreate-lock-file
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--update-input
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--no-flake
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--no-registries
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--no-update-lock-file
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--no-write-lock-file
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# Nix-copy options
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--use-substitutes --substitute-on-destination -s
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# Nix options
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--option
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--impure
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--builders # builder-spec
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--show-trace
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--keep-failed -K
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--keep-going -k
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--max-jobs -j # number
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--log-format # format
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-I # NIX_PATH
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)
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local all_subcommands=(
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boot
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build
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build-vm
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build-vm-with-bootloader
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dry-activate
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dry-build
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edit
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list-generations
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switch
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test
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)
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# Suggest arguments that can be consumed under some conditions only
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for word in "${COMP_WORDS[@]}"; do
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for subcommand in "${all_subcommands[@]}"; do
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if [[ "$word" == "$subcommand" ]]; then
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subcommandGiven=1
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fi
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done
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done
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# Fake out a way to complete the second arg to some options
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case "${COMP_WORDS[COMP_CWORD-2]}" in
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"--override-input")
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prev="--override-input_2"
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;;
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"--option")
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prev="--option_2"
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;;
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esac
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case "$prev" in
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--max-jobs|-j)
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COMPREPLY=( )
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;;
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--profile-name|-p)
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if [[ "$curr" == "" ]]; then
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COMPREPLY=( /nix/var/nix/profiles/* )
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else
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COMPREPLY=( "$curr"* )
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fi
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;;
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--build-host|--target-host|-t|-h)
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_known_hosts_real "$curr"
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;;
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--specialisation|-c)
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COMPREPLY=()
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;;
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-I)
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_nixos-rebuild_pretend-nix
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;;
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--builders)
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_nixos-rebuild_pretend-nix
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;;
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--flake)
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_nixos-rebuild_pretend-nix
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;;
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--override-input)
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_nixos-rebuild_pretend-nix
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;;
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--override-input_2)
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_nixos-rebuild_pretend-nix
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;;
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--log-format)
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_nixos-rebuild_pretend-nix
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;;
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--option)
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_nixos-rebuild_pretend-nix
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;;
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--option_2)
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_nixos-rebuild_pretend-nix
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;;
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*)
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if [[ "$curr" == -* ]] || (( subcommandGiven )); then
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COMPREPLY=( $(compgen -W "${all_args[*]}" -- "$2") )
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else
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COMPREPLY=( $(compgen -W "${all_subcommands[*]}" -- "$2") )
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fi
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;;
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esac
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}
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complete -F _nixos-rebuild nixos-rebuild
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