elpaBuild: factor out package installation

Building packages requires package-build.el from Melpa, but installing
packages only requires package.el. Packages from ELPA are already built,
so there is no need to involve package-build.el.

1 files changed, 0 insertions, 25 deletions

diff --git a/pkgs/build-support/emacs/melpa2nix.el b/pkgs/build-support/emacs/melpa2nix.el
index fb35fc68125..3cd5bbdb954 100644
--- a/pkgs/build-support/emacs/melpa2nix.el
+++ b/pkgs/build-support/emacs/melpa2nix.el
@@ -6,14 +6,6 @@
 (setq package-build-working-dir (expand-file-name ".")
       package-build-archive-dir (expand-file-name "."))
 
-(defun melpa2nix-install-package ()
-  (if (not noninteractive)
-      (error "`melpa2nix-install-package' is to be used only with -batch"))
-  (pcase command-line-args-left
-    (`(,archive ,elpa)
-     (progn (setq package-user-dir elpa)
-            (melpa2nix-install-file archive)))))
-
 (defun melpa2nix-build-package ()
   (if (not noninteractive)
       (error "`melpa2nix-build-package' is to be used only with -batch"))
@@ -48,20 +40,3 @@
                             (time-to-seconds (time-since start-time))
                             (current-time-string))
       (princ (format "%s\n" archive-file)))))
-
-(defun melpa2nix-install-from-buffer ()
-  "Install a package from the current buffer."
-  (let ((pkg-desc (if (derived-mode-p 'tar-mode)
-                      (package-tar-file-info)
-                    (package-buffer-info))))
-    ;; Install the package itself.
-    (package-unpack pkg-desc)
-    pkg-desc))
-
-(defun melpa2nix-install-file (file)
-  "Install a package from a file.
-The file can either be a tar file or an Emacs Lisp file."
-  (with-temp-buffer
-    (insert-file-contents-literally file)
-    (when (string-match "\\.tar\\'" file) (tar-mode))
-    (melpa2nix-install-from-buffer)))