nixpkgs/pkgs/os-specific/linux/nixos-rebuild/_nixos-rebuild
2023-10-22 03:18:50 -04:00

166 lines
3.3 KiB
Bash

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