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author | Andrea Corallo <akrl@sdf.org> | 2020-12-27 17:54:57 +0100 |
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committer | Andrea Corallo <akrl@sdf.org> | 2020-12-27 17:54:57 +0100 |
commit | 8fb94630136700aa4e74c7fc212b019d2db380ae (patch) | |
tree | 69b3938a89f450509a7001f45ba3acca057fb40d /lisp/emacs-lisp/package.el | |
parent | 271fb8a269aff924070b188f23355d0c368356dd (diff) | |
parent | df882c9701755e2ae063f05d3381de14ae09951e (diff) | |
download | emacs-8fb94630136700aa4e74c7fc212b019d2db380ae.tar.gz emacs-8fb94630136700aa4e74c7fc212b019d2db380ae.tar.bz2 emacs-8fb94630136700aa4e74c7fc212b019d2db380ae.zip |
Merge remote-tracking branch 'savannah/master' into HEAD
Diffstat (limited to 'lisp/emacs-lisp/package.el')
-rw-r--r-- | lisp/emacs-lisp/package.el | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el index 7e5e6fc4a32..656e5ce36bf 100644 --- a/lisp/emacs-lisp/package.el +++ b/lisp/emacs-lisp/package.el @@ -831,40 +831,45 @@ correspond to previously loaded files (those returned by (declare-function find-library-name "find-func" (library)) +(defun package--files-load-history () + (delq nil + (mapcar (lambda (x) + (let ((f (car x))) + (and (stringp f) + (file-name-sans-extension (file-truename f))))) + load-history))) + +(defun package--list-of-conflicts (dir history) + (delq + nil + (mapcar + (lambda (x) (let* ((file (file-relative-name x dir)) + ;; Previously loaded file, if any. + (previous + (ignore-errors + (file-name-sans-extension + (file-truename (find-library-name file))))) + (pos (when previous (member previous history)))) + ;; Return (RELATIVE-FILENAME . HISTORY-POSITION) + (when pos + (cons (file-name-sans-extension file) (length pos))))) + (directory-files-recursively dir "\\`[^\\.].*\\.el\\'")))) + (defun package--list-loaded-files (dir) "Recursively list all files in DIR which correspond to loaded features. Returns the `file-name-sans-extension' of each file, relative to DIR, sorted by most recently loaded last." - (let* ((history (delq nil - (mapcar (lambda (x) - (let ((f (car x))) - (and (stringp f) - (file-name-sans-extension f)))) - load-history))) + (let* ((history (package--files-load-history)) (dir (file-truename dir)) ;; List all files that have already been loaded. - (list-of-conflicts - (delq - nil - (mapcar - (lambda (x) (let* ((file (file-relative-name x dir)) - ;; Previously loaded file, if any. - (previous - (ignore-errors - (file-name-sans-extension - (file-truename (find-library-name file))))) - (pos (when previous (member previous history)))) - ;; Return (RELATIVE-FILENAME . HISTORY-POSITION) - (when pos - (cons (file-name-sans-extension file) (length pos))))) - (directory-files-recursively dir "\\`[^\\.].*\\.el\\'"))))) + (list-of-conflicts (package--list-of-conflicts dir history))) ;; Turn the list of (FILENAME . POS) back into a list of features. Files in ;; subdirectories are returned relative to DIR (so not actually features). (let ((default-directory (file-name-as-directory dir))) (mapcar (lambda (x) (file-truename (car x))) - (sort list-of-conflicts - ;; Sort the files by ascending HISTORY-POSITION. - (lambda (x y) (< (cdr x) (cdr y)))))))) + (sort list-of-conflicts + ;; Sort the files by ascending HISTORY-POSITION. + (lambda (x y) (< (cdr x) (cdr y)))))))) ;;;; `package-activate' ;; This function activates a newer version of a package if an older |