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289 rader
8.7 KiB
289 rader
8.7 KiB
;;; nix.el -- run nix commands in Emacs -*- lexical-binding: t -*-
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;; Author: Matthew Bauer <mjbauer95@gmail.com>
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;; Homepage: https://github.com/NixOS/nix-mode
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;; Keywords: nix
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;; This file is NOT part of GNU Emacs.
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;;; Commentary:
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;; To use this just run:
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;; M-x RET nix-shell RET
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;; This will give you some
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;;; Code:
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(require 'pcomplete)
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(defgroup nix nil
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"Nix-related customizations"
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:group 'languages)
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(defcustom nix-executable "nix"
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"Nix executable location."
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:group 'nix
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:type 'string)
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(defcustom nix-build-executable "nix-build"
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"Nix-build executable location."
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:group 'nix
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:type 'string)
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(defcustom nix-instantiate-executable "nix-instantiate"
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"Nix executable location."
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:group 'nix
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:type 'string)
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(defcustom nix-store-executable "nix-store"
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"Nix executable location."
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:group 'nix
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:type 'string)
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(defcustom nix-shell-executable "nix-shell"
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"Location of ‘nix-shell’ executable."
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:group 'nix
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:type 'string)
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(defcustom nix-store-dir "/nix/store"
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"Nix store directory."
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:group 'nix
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:type 'string)
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(defcustom nix-state-dir "/nix/var"
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"Nix store directory."
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:group 'nix
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:type 'string)
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(defun nix-system ()
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"Get the current system tuple."
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(let ((stdout (generate-new-buffer "nix eval"))
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result)
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(call-process nix-executable nil (list stdout nil) nil
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"eval" "--raw" "(builtins.currentSystem)")
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(with-current-buffer stdout (setq result (buffer-string)))
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(kill-buffer stdout)
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result))
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(defvar nix-commands
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'("add-to-store"
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"build"
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"cat-nar"
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"cat-store"
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"copy"
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"copy-sigs"
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"dump-path"
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"edit"
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"eval"
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"hash-file"
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"hash-path"
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"log"
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"ls-nar"
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"ls-store"
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"optimise-store"
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"path-info"
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"ping-store"
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"repl"
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"run"
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"search"
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"show-config"
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"show-derivation"
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"sign-paths"
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"to-base16"
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"to-base32"
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"to-base64"
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"upgrade-nix"
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"verify"
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"why-depends"))
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(defvar nix-toplevel-options
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'("-v"
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"--verbose"
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"-h"
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"--help"
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"--debug"
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"--help-config"
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"--option"
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"--version"))
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(defvar nix-config-options
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'("allowed-uris"
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"allow-import-from-derivation"
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"allow-new-priveleges"
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"allowed-users"
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"auto-optimise-store"
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"builders"
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"builders-use-substitutes"
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"build-users-group"
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"compress-build-log"
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"connect-timeout"
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"cores"
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"extra-sandbox-paths"
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"extra-substituters"
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"fallback"
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"fsync-metadata"
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"hashed-mirrors"
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"http-connections"
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"keep-build-log"
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"keep-derivations"
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"keep-env-derivations"
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"keep-outputs"
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"max-build-log-size"
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"max-jobs"
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"max-silent-time"
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"netrc-file"
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"plugin-files"
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"pre-build-hook"
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"repeat"
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"require-sigs"
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"restrict-eval"
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"sandbox"
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"sandbox-dev-shm-size"
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"sandbox-paths"
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"secret-key-files"
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"show-trace"
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"substitute"
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"substituters"
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"system"
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"timeout"
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"trusted-public-keys"
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"trusted-subtituters"
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"trusted-users"))
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(defun nix--pcomplete-flags (options)
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"Complete flags to the Nix command.
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OPTIONS a list of options to accept."
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(while (pcomplete-match "^-" 0)
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(pcomplete-here options)
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(let ((last-arg (nth (1- pcomplete-index) pcomplete-args)))
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(cond
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((string= "--option" last-arg)
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(pcomplete-here nix-config-options)
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(pcomplete-here))
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((or (string= "-f" last-arg) (string= "--file" last-arg))
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(pcomplete-here (pcomplete-entries nil 'file-exists-p)))
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((or (string= "--arg" last-arg) (string= "--argstr" last-arg))
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(pcomplete-here)
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(pcomplete-here))
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((or (string= "-I" last-arg) (string= "--include" last-arg))
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(pcomplete-here (pcomplete-entries nil 'file-exists-p)))
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((or (string= "-k" last-arg) (string= "--keep" last-arg))
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(pcomplete-here))
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((or (string= "-u" last-arg) (string= "--unset" last-arg))
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(pcomplete-here))
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((or (string= "-s" last-arg) (string= "--substituter" last-arg))
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(pcomplete-here))))))
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;;;###autoload
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(defun pcomplete/nix ()
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"Completion for the nix command."
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(nix--pcomplete-flags nix-toplevel-options)
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(pcomplete-here nix-commands)
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(pcase (nth (1- pcomplete-index) pcomplete-args)
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("run"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--arg" "--argstr" "-c" "--command"
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"-f" "--file" "-i" "-I" "--include"
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"-k" "--keep" "-u" "--unset"))))
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("build"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--arg" "--argstr" "--dry-run"
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"-f" "--file" "-I" "--include"
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"--no-link" "-o" "--out-link"))))
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("add-to-store"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--dry-run" "-n" "--name"))))
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("copy"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--all" "--arg" "--argstr"
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"-f" "--file" "--from"
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"-I" "--include" "--no-check-sigs"
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"--no-recursive" "-s" "--substitute"
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"--to"))))
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("copy-sigs"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--all" "--arg" "--argstr"
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"-f" "--file" "-I" "--include"
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"-r" "--recursive" "-s" "--substituter"))))
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("dump-path"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--arg" "--argstr"
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"-f" "--file" "-I" "--include"))))
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("edit"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--arg" "--argstr"
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"-f" "--file" "-I" "--include"))))
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("eval"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--arg" "--argstr"
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"-f" "--file" "-I" "--include"
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"--json" "--raw"))))
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("hash-file"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--base16" "--base32"
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"--base64" "--type"))))
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("hash-path"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--base16" "--base32"
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"--base64" "--type"))))
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("log"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--arg" "--argstr"
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"-f" "--file" "-I" "--include"
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"--json" "--raw"))))
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("ls-nar"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("-d" "--directory"
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"--json" "-l" "--long"
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"-R" "--recursive"))))
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("ls-store"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("-d" "--directory"
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"--json" "-l" "--long"
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"-R" "--recursive"))))
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("repl"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--arg" "--argstr"
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"-I" "--include"))))
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("search"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--arg" "--argstr"
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"-f" "--file"
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"-I" "--include"
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"--json" "--no-cache"
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"-u" "--update-cache"))))
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("show-config"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--json"))))
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("show-derivation"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--arg" "--argstr"
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"-f" "--file"
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"-I" "--include"
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"-r" "--recursive"))))
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("sign-paths"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--all" "--arg" "--argstr"
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"-f" "--file" "-I" "--include"
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"-k" "--key-file" "-r" "--recursive"))))
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("upgrade-nix"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("-p" "--profile"))))
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("verify"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("--all" "--arg" "--argstr"
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"-f" "--file" "-I" "--include"
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"--no-contents" "--no-trust"
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"-r" "--recursive" "-n" "--sigs-needed"
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"-s" "--substuter"))))
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("why-depends"
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(nix--pcomplete-flags
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(append nix-toplevel-options '("-a" "--all" "--arg" "--argstr"
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"-f" "--file" "-I" "--include"))))
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(_ (nix--pcomplete-flags nix-toplevel-options)))
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(pcomplete-here (pcomplete-entries)))
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(provide 'nix)
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;;; nix.el ends here
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