-(declare-function package--get-deps "package.el" (pkg &optional only))
-
-(unless (fboundp 'package--get-deps)
- (defun package--get-deps (pkg &optional only)
- (let* ((pkg-desc (cadr (assq pkg package-alist)))
- (direct-deps (cl-loop for p in (package-desc-reqs pkg-desc)
- for name = (car p)
- when (assq name package-alist)
- collect name))
- (indirect-deps (unless (eq only 'direct)
- (delete-dups
- (cl-loop for p in direct-deps
- append (package--get-deps p))))))
- (cl-case only
- (direct direct-deps)
- (separate (list direct-deps indirect-deps))
- (indirect indirect-deps)
- (t (delete-dups (append direct-deps indirect-deps)))))))
+
+(defun async-bytecomp--get-package-deps (pkg &optional only)
+ ;; Same as `package--get-deps' but parse instead `package-archive-contents'
+ ;; because PKG is not already installed and not present in `package-alist'.
+ ;; However fallback to `package-alist' in case PKG no more present
+ ;; in `package-archive-contents' due to modification to `package-archives'.
+ ;; See issue #58.
+ (let* ((pkg-desc (cadr (or (assq pkg package-archive-contents)
+ (assq pkg package-alist))))
+ (direct-deps (cl-loop for p in (package-desc-reqs pkg-desc)
+ for name = (car p)
+ when (or (assq name package-archive-contents)
+ (assq name package-alist))
+ collect name))
+ (indirect-deps (unless (eq only 'direct)
+ (delete-dups
+ (cl-loop for p in direct-deps append
+ (async-bytecomp--get-package-deps p))))))
+ (cl-case only
+ (direct direct-deps)
+ (separate (list direct-deps indirect-deps))
+ (indirect indirect-deps)
+ (t (delete-dups (append direct-deps indirect-deps))))))