Update Emacs packages

This is a massive diff that I had to do in a hurry - when leaving
Urbint. I'm pretty sure that most of these are updating Emacs packages,
but I'm not positive.

1 files changed, 250 insertions, 0 deletions

diff --git a/configs/shared/emacs/.emacs.d/elpa/nix-mode-20180908.2240/nix-shell.el b/configs/shared/emacs/.emacs.d/elpa/nix-mode-20180908.2240/nix-shell.el
new file mode 100644
index 000000000000..8f6da2b09893
--- /dev/null
+++ b/configs/shared/emacs/.emacs.d/elpa/nix-mode-20180908.2240/nix-shell.el
@@ -0,0 +1,250 @@
+;;; nix-shell.el -- run nix commands in Emacs -*- lexical-binding: t -*-
+
+;; Author: Matthew Bauer <mjbauer95@gmail.com>
+;; Homepage: https://github.com/NixOS/nix-mode
+;; Keywords: nix
+
+;; This file is NOT part of GNU Emacs.
+
+;;; Commentary:
+
+;; To use this just run:
+
+;; M-x RET nix-shell RET
+
+;; This will give you some
+
+;;; Code:
+
+(require 'nix)
+(require 'nix-instantiate)
+(require 'nix-store)
+
+(defgroup nix-shell nil
+  "All nix-shell options."
+  :group 'nix)
+
+(defcustom nix-shell-inputs '(depsBuildBuild
+			      depsBuildBuildPropagated
+			      nativeBuildInputs
+			      propagatedNativeBuildInputs
+			      depsBuildTarget
+			      depsBuildTargetPropagated)
+  "List of inputs to collect for nix-shell."
+  :type 'list
+  :group 'nix-shell)
+
+(defcustom nix-shell-clear-environment nil
+  "Whether to clear the old ‘exec-path’ & environment.
+Similar to ‘--pure’ argument in command line nix-shell."
+  :type 'boolean
+  :group 'nix-shell)
+
+(defcustom nix-shell-auto-realise t
+  "Whether we can realise paths in the built .drv file."
+  :type 'boolean
+  :group 'nix-shell)
+
+(defcustom nix-file nil
+  "Nix file to build expressions from.
+Should only be set in dir-locals.el file."
+  :type 'stringp
+  :group 'nix-shell)
+
+(defcustom nix-attr nil
+  "Nix attribute path to use.
+Should only be set in dir-locals.el file."
+  :type 'stringp
+  :group 'nix-shell)
+
+;;;###autoload
+(defun nix-shell-unpack (file attr)
+  "Run Nix’s unpackPhase.
+FILE is the file to unpack from.
+ATTR is the attribute to unpack."
+  (interactive (list (nix-read-file) nil))
+  (unless attr (setq attr (nix-read-attr file)))
+
+  (nix-shell--run-phase "unpack" file attr))
+
+(defun nix-read-attr (_)
+  "Get nix attribute from user."
+  (read-string "Nix attr: "))
+
+(defun nix-read-file ()
+  "Get nix file from user."
+  (cond
+   (nix-file nix-file)
+   ((file-exists-p "shell.nix") "shell.nix")
+   ((file-exists-p "default.nix") "default.nix")
+   (t (read-file-name "Nix file: " nil "<nixpkgs>"))))
+
+;;;###autoload
+(defun nix-shell-configure (file attr)
+  "Run Nix’s configurePhase.
+FILE is the file to configure from.
+ATTR is the attribute to configure."
+  (interactive (list (nix-read-file) nil))
+  (unless attr (setq attr (nix-read-attr file)))
+
+  (nix-shell--run-phase "configure" file attr))
+
+;;;###autoload
+(defun nix-shell-build (file attr)
+  "Run Nix’s buildPhase.
+FILE is the file to build from.
+ATTR is the attribute to build."
+  (interactive (list (nix-read-file) nil))
+  (unless attr (setq attr (nix-read-attr file)))
+
+  (nix-shell--run-phase "build" file attr))
+
+(defun nix-shell--run-phase (phase file attr)
+  "Get source from a Nix derivation.
+PHASE phase to run.
+FILE used for base of Nix expresions.
+ATTR from NIX-FILE to get Nix expressions from."
+  (shell-command
+   (format "%s '%s' -A '%s' --run 'if [ -z \"$%sPhase\" ]; then eval %sPhase; else eval \"$%sPhase\"; fi' &"
+	   nix-shell-executable
+	   file attr phase phase phase)))
+
+(declare-function flycheck-buffer "flycheck")
+
+(defun nix-shell--callback (buffer drv)
+  "Run the nix-shell callback to setup the buffer.
+The BUFFER to run in.
+The DRV file to use."
+  (let* ((env (alist-get 'env drv))
+	 (stdenv (alist-get 'stdenv env))
+	 (system (alist-get 'system env))
+	 (inputs (remove nil
+			 (apply 'append
+				(mapcar (lambda (prop)
+					  (split-string (alist-get prop env)))
+					nix-shell-inputs)))))
+
+    ;; Prevent accidentally rebuilding the world.
+    (unless (file-directory-p stdenv)
+      (error
+       "Your stdenv at %s has not been built. Please run: nix-store -r %s"
+       stdenv stdenv))
+
+    ;; Make sure this .drv file can actually be built here.
+    (unless (string= system (nix-system))
+      (error
+       "Your system (%s) does not match .drv’s build system (%s)"
+       (nix-system) system))
+
+    (with-current-buffer buffer
+      (when nix-shell-clear-environment
+	(setq-local exec-path nil)
+	(setq-local eshell-path-env "")
+	;; (setq-local process-environment nil)
+	)
+
+      (dolist (input inputs)
+	(when (and (not (file-directory-p input))
+		   nix-shell-auto-realise)
+	  (nix-store-realise input))
+
+	(let ((bin (expand-file-name "bin" input))
+	      (man (expand-file-name "share/man" input))
+	      (include (expand-file-name "include" input)))
+	  (add-to-list 'exec-path bin)
+	  (setq-local eshell-path-env
+		      (format "%s:%s" bin eshell-path-env))
+	  (add-to-list 'woman-manpath man)
+	  (add-to-list 'ffap-c-path include)
+	  (add-to-list 'Man-header-file-path include)
+	  (add-to-list 'irony-additional-clang-options
+		       (format "-I%s" include))))
+
+      (when flycheck-mode
+	(flycheck-buffer))
+      )))
+
+(defun nix-shell-with-packages (packages &optional pkgs-file)
+  "Create a nix shell environment from the listed package.
+PACKAGES a list of packages to use.
+PKGS-FILE the Nix file to get the packages from."
+  (nix-instantiate-async (apply-partially 'nix-shell--callback
+					  (current-buffer))
+			 (nix-shell--with-packages-file packages pkgs-file)
+			 ))
+
+(defun nix-shell--with-packages-file (packages &optional pkgs-file)
+  "Get a .nix file from the packages list.
+PACKAGES to put in the .nix file.
+PKGS-FILE package set to pull from."
+  (unless pkgs-file (setq pkgs-file "<nixpkgs>"))
+  (let ((nix-file (make-temp-file "nix-shell" nil ".nix")))
+    (with-temp-file nix-file
+      (insert (format "with import %s { };\n" pkgs-file))
+      (insert "runCommandCC \"shell\" {\n")
+      (insert "	 nativeBuildInputs = [\n")
+      (mapc (lambda (x) (insert (format "	  %s\n" x))) packages)
+      (insert "	 ];\n")
+      (insert "} \"\"\n"))
+    nix-file))
+
+(defun nix-eshell-with-packages (packages &optional pkgs-file)
+  "Create an Eshell buffer that has the shell environment in it.
+PACKAGES a list of packages to pull in.
+PKGS-FILE a file to use to get the packages."
+  (let ((buffer (generate-new-buffer "*nix-eshell*")))
+    (pop-to-buffer-same-window buffer)
+
+    (setq-local nix-shell-clear-environment t)
+
+    (nix-shell--callback
+     (current-buffer)
+     (nix-instantiate
+      (nix-shell--with-packages-file packages pkgs-file) nil t))
+
+    (eshell-mode)
+    buffer))
+
+(defun nix-eshell (file &optional attr)
+  "Create an Eshell buffer that has the shell environment in it.
+FILE the .nix expression to create a shell for.
+ATTR attribute to instantiate in NIX-FILE."
+  (interactive (list (nix-read-file) nil))
+  (unless attr (setq attr (nix-read-attr nix-file)))
+
+  (let ((buffer (generate-new-buffer "*nix-eshell*")))
+    (pop-to-buffer-same-window buffer)
+
+    (setq-local nix-shell-clear-environment t)
+
+    (nix-shell--callback
+     (current-buffer)
+     (nix-instantiate file attr t))
+
+    (eshell-mode)
+    buffer))
+
+;;;###autoload
+(defun nix-shell-with-string (string)
+  "A nix-shell emulator in Emacs from a string.
+STRING the nix expression to use."
+  (let ((file (make-temp-file "nix-shell" nil ".nix")))
+    (with-temp-file file (insert string))
+    (nix-instantiate-async (apply-partially 'nix-shell--callback
+					    (current-buffer))
+			   file)))
+
+;;;###autoload
+(defun nix-shell (file &optional attr)
+  "A nix-shell emulator in Emacs.
+FILE the file to instantiate.
+ATTR an attribute of the Nix file to use."
+  (interactive (list (nix-read-file) nil))
+  (unless attr (setq attr (nix-read-attr file)))
+
+  (nix-instantiate-async (apply-partially 'nix-shell--callback
+					  (current-buffer))
+			 file attr))
+
+(provide 'nix-shell)
+;;; nix-shell.el ends here