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|
emulate -L zsh
# run-help is a zsh widget that can be bound to a key. It mainly looks up the
# man page for the currently typed in command.
#
# Although run-help works for any command without requiring special support,
# it can only deduce the right man page based solely on the name of the
# command. Programs like Nix provide better integration with run-help by
# helping zsh identify Nix subcommands and their corresponding man pages. This
# is what this function does.
#
# To actually use run-help on zsh, place the following lines in your .zshrc:
#
# (( $+aliases[run-help] )) && unalias run-help
# autoload -Uz run-help run-help-nix
#
# Then also assign run-help to any key of choice:
#
# bindkey '^[h' run-help
if (( $# == 0 )); then
man nix
return
fi
while [[ "$#" != 0 && "$1" == -* ]]; do
shift
done
case "$1" in
flake)
case "$2" in
archive|check|clone|info|init|lock|metadata|new|prefetch|show|update)
man "nix3-$1-$2" ;;
*)
man "nix3-$1" ;;
esac ;;
hash)
case "$2" in
file|path|to-base16|to-base32|to-base64|to-sri)
man "nix3-$1-$2" ;;
*)
man "nix3-$1" ;;
esac ;;
key)
case "$2" in
convert-secret-to-public|generate-secret)
man "nix3-$1-$2" ;;
*)
man "nix3-$1" ;;
esac ;;
nar)
case "$2" in
cat|dump-path|ls)
man "nix3-$1-$2" ;;
*)
man "nix3-$1" ;;
esac ;;
profile)
case "$2" in
diff-closures|history|install|list|remove|rollback|upgrade|wipe-history)
man "nix3-$1-$2" ;;
*)
man "nix3-$1" ;;
esac ;;
realisation)
case "$2" in
info)
man "nix3-$1-$2" ;;
*)
man "nix3-$1" ;;
esac ;;
registry)
case "$2" in
add|list|pin|remove)
man "nix3-$1-$2" ;;
*)
man "nix3-$1" ;;
esac ;;
store)
case "$2" in
add-file|add-path|cat|copy-sigs|delete|diff-closures|dump-path|gc|ls)
;& # fallthrough
make-content-addressed|optimise|ping|prefetch-file|repair|sign|verify)
man "nix3-$1-$2" ;;
*)
man "nix3-$1" ;;
esac ;;
*)
if man -w "nix3-$1" >/dev/null 2>&1; then
man "nix3-$1"
else
man nix
fi ;;
esac
return $?
|
