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author | Stefan Monnier <monnier@iro.umontreal.ca> | 2021-12-31 00:03:35 -0500 |
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committer | Stefan Monnier <monnier@iro.umontreal.ca> | 2021-12-31 00:03:35 -0500 |
commit | 87f7412418ff2e4b2fe29d921aa6583b0b17bc29 (patch) | |
tree | c08e79b92669d57f523b34112d0c80f523aa54cd | |
parent | 59732a83c8875c8986d2221600d559a24d8309cc (diff) | |
download | emacs-87f7412418ff2e4b2fe29d921aa6583b0b17bc29.tar.gz |
* lisp/emacs-lisp/package.el (package-get-version): Add fallback
-rw-r--r-- | lisp/emacs-lisp/package.el | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el index de4cebccca3..7b90e361bd4 100644 --- a/lisp/emacs-lisp/package.el +++ b/lisp/emacs-lisp/package.el @@ -4076,7 +4076,9 @@ The list is displayed in a buffer named `*Packages*'." "Return the version number of the package in which this is used. Assumes it is used from an Elisp file placed inside the top-level directory of an installed ELPA package. -The return value is a string (or nil in case we can't find it)." +The return value is a string (or nil in case we can't find it). +It works in more cases if the call is in the file which contains +the `Version:' header." ;; In a sense, this is a lie, but it does just what we want: precompute ;; the version at compile time and hardcodes it into the .elc file! (declare (pure t)) @@ -4095,6 +4097,7 @@ The return value is a string (or nil in case we can't find it)." (let* ((pkgdir (file-name-directory file)) (pkgname (file-name-nondirectory (directory-file-name pkgdir))) (mainfile (expand-file-name (concat pkgname ".el") pkgdir))) + (unless (file-readable-p mainfile) (setq mainfile file)) (when (file-readable-p mainfile) (require 'lisp-mnt) (with-temp-buffer |