From a3a19b09ccbb3b9909d3ce50a21b8fe3ca2636b8 Mon Sep 17 00:00:00 2001
From: Damien Elmes <emms@repose.cx>
Date: Thu, 22 Jun 2006 11:45:00 +0000
Subject: cache: add a routine to refresh metadata info

darcs-hash:20060622114528-4e3e3-edaed29b327826bdbac2e172177dfa9e37214c15.gz
---
 emms-cache.el | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/emms-cache.el b/emms-cache.el
index f95ccd4..df9bd7f 100644
--- a/emms-cache.el
+++ b/emms-cache.el
@@ -142,5 +142,26 @@ This is used to cache over emacs sessions.")
   (setq emms-cache-dirty t)
   (message "Pruning emms track cache...done"))
 
+(defun emms-cache-refresh ()
+  "Update entries in the cache where the file is newer."
+  (interactive)
+  (message "Updating emms track cache...")
+  (maphash (lambda (path track)
+             (when (eq (emms-track-get track 'type) 'file)
+               (let ((file-mtime (emms-info-track-file-mtime track))
+                     (info-mtime (emms-track-get track 'info-mtime)))
+                 (when (or (not info-mtime)
+                           (emms-time-less-p
+                            info-mtime file-mtime))
+                   (run-hook-with-args 'emms-info-functions track)))))
+           emms-cache-db)
+  (message "Updating emms track cache...done"))
+
+(defun emms-cache-sync ()
+  "Remove old entries and update modified files."
+  (interactive)
+  (emms-cache-prune)
+  (emms-cache-refresh))
+
 (provide 'emms-cache)
 ;;; emms-cache.el ends here
-- 
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