[Emacs-diffs] scratch/install-package-from-directory 93d710e 4/4: Add comment regarding the `dir' desc-kind

[Artur Malabarba]

branch: scratch/install-package-from-directory
commit 93d710e045ac5877c3e8fe5aa217818f06623a3a
Author: Artur Malabarba <address@hidden>
Commit: Artur Malabarba <address@hidden>

    Add comment regarding the `dir' desc-kind
---
 lisp/emacs-lisp/package.el |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el
index 27d6b9c..6f3cc97 100644
--- a/lisp/emacs-lisp/package.el
+++ b/lisp/emacs-lisp/package.el
@@ -1324,6 +1324,10 @@ Downloads and installs required packages as needed."
   (let ((pkg-desc
          (cond
           ((derived-mode-p 'dired-mode)
+           ;; This is the only way a package-desc object with a `dir'
+           ;; desc-kind can be created.  Such packages can't be
+           ;; uploaded or installed from archives, they can only be
+           ;; installed from local buffers or directories.
            (package-dir-info))
           ((derived-mode-p 'tar-mode)
            (package-tar-file-info))