Disable instead of purging when root library dir is not present

src/db.c

@@ -1645,12 +1645,13 @@ db_files_get_count(void)
 }
 
 int
-db_files_get_count_bypathpattern(char *path)
+db_files_get_count_bymatch(char *path)
 {
+#define Q_TMPL "SELECT COUNT(*) FROM files f WHERE f.path LIKE '%%%q';"
   char *query;
   int count;
 
-  query = sqlite3_mprintf("SELECT COUNT(*) FROM files f WHERE f.path LIKE '%%%q';", path);
+  query = sqlite3_mprintf(Q_TMPL, path);
   if (!query)
     {
       DPRINTF(E_LOG, L_DB, "Out of memory making count query string.\n");
@@ -1662,6 +1663,7 @@ db_files_get_count_bypathpattern(char *path)
   sqlite3_free(query);
 
   return count;
+#undef Q_TMPL
 }
 
 void
@@ -1738,6 +1740,34 @@ db_file_ping(int id)
 #undef Q_TMPL
 }
 
+void
+db_file_ping_bymatch(char *path)
+{
+#define Q_TMPL "UPDATE files SET db_timestamp = %" PRIi64 " WHERE path LIKE '%q/%%';"
+  char *query;
+  char *errmsg;
+  int ret;
+
+  query = sqlite3_mprintf(Q_TMPL, (int64_t)time(NULL), path);
+  if (!query)
+    {
+      DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
+
+      return;
+    }
+
+  DPRINTF(E_DBG, L_DB, "Running query '%s'\n", query);
+
+  ret = db_exec(query, &errmsg);
+  if (ret != SQLITE_OK)
+    DPRINTF(E_LOG, L_DB, "Error pinging files matching %s: %s\n", path, errmsg);
+
+  sqlite3_free(errmsg);
+  sqlite3_free(query);
+
+#undef Q_TMPL
+}
+
 char *
 db_file_path_byid(int id)
 {
@@ -1864,7 +1894,7 @@ db_file_id_bypath(char *path)
 }
 
 int
-db_file_id_bypathpattern(char *path)
+db_file_id_bymatch(char *path)
 {
 #define Q_TMPL "SELECT f.id FROM files f WHERE f.path LIKE '%%%q';"
   char *query;
@@ -2520,6 +2550,34 @@ db_pl_ping(int id)
 #undef Q_TMPL
 }
 
+void
+db_pl_ping_bymatch(char *path)
+{
+#define Q_TMPL "UPDATE playlists SET db_timestamp = %" PRIi64 " WHERE path LIKE '%q/%%';"
+  char *query;
+  char *errmsg;
+  int ret;
+
+  query = sqlite3_mprintf(Q_TMPL, (int64_t)time(NULL), path);
+  if (!query)
+    {
+      DPRINTF(E_LOG, L_DB, "Out of memory for query string\n");
+
+      return;
+    }
+
+  DPRINTF(E_DBG, L_DB, "Running query '%s'\n", query);
+
+  ret = db_exec(query, &errmsg);
+  if (ret != SQLITE_OK)
+    DPRINTF(E_LOG, L_DB, "Error pinging playlists matching %s: %s\n", path, errmsg);
+
+  sqlite3_free(errmsg);
+  sqlite3_free(query);
+
+#undef Q_TMPL
+}
+
 static int
 db_pl_id_bypath(char *path, int *id)
 {

src/db.h

@@ -325,7 +325,7 @@ int
 db_files_get_count(void);
 
 int
-db_files_get_count_bypathpattern(char *path);
+db_files_get_count_bymatch(char *path);
 
 void
 db_files_update_songalbumid(void);
@@ -336,6 +336,9 @@ db_file_inc_playcount(int id);
 void
 db_file_ping(int id);
 
+void
+db_file_ping_bymatch(char *path);
+
 char *
 db_file_path_byid(int id);
 
@@ -343,7 +346,7 @@ int
 db_file_id_bypath(char *path);
 
 int
-db_file_id_bypathpattern(char *path);
+db_file_id_bymatch(char *path);
 
 int
 db_file_id_byfilebase(char *filename, char *base);
@@ -385,6 +388,9 @@ db_pl_get_count(void);
 void
 db_pl_ping(int id);
 
+void
+db_pl_ping_bymatch(char *path);
+
 struct playlist_info *
 db_pl_fetch_bypath(char *path);
 

src/filescanner.c

@@ -847,6 +847,13 @@ bulk_scan(void)
 	{
 	  DPRINTF(E_LOG, L_SCAN, "Skipping library directory %s, could not dereference: %s\n", path, strerror(errno));
 
+	  /* Assume dir is mistakenly not mounted, so just disable everything and update timestamps */
+	  db_file_disable_bymatch(path, "", 0);
+	  db_pl_disable_bymatch(path, "", 0);
+
+	  db_file_ping_bymatch(path);
+	  db_pl_ping_bymatch(path);
+
 	  continue;
 	}
 

src/filescanner_itunes.c

@@ -301,13 +301,13 @@ find_track_file(char *location)
 	entry = location;
 
       DPRINTF(E_SPAM, L_SCAN, "iTunes XML playlist entry is now %s\n", entry);
-      ret = db_files_get_count_bypathpattern(entry);
+      ret = db_files_get_count_bymatch(entry);
 
     } while (ptr && (ret > 1));
 
   if (ret > 0)
     {
-      mfi_id = db_file_id_bypathpattern(entry);
+      mfi_id = db_file_id_bymatch(entry);
       DPRINTF(E_DBG, L_SCAN, "Found iTunes XML playlist entry match, id is %d, entry is %s\n", mfi_id, entry);
 
       free(location);

src/filescanner_m3u.c

@@ -242,13 +242,13 @@ scan_m3u_playlist(char *file, time_t mtime)
 		entry = buf;
 
 	      DPRINTF(E_SPAM, L_SCAN, "Playlist entry is now %s\n", entry);
-	      ret = db_files_get_count_bypathpattern(entry);
+	      ret = db_files_get_count_bymatch(entry);
 
 	    } while (ptr && (ret > 1));
 
 	  if (ret > 0)
 	    {
-	      mfi_id = db_file_id_bypathpattern(entry);
+	      mfi_id = db_file_id_bymatch(entry);
 	      DPRINTF(E_DBG, L_SCAN, "Found playlist entry match, id is %d, entry is %s\n", mfi_id, entry);
 
 	      filename = db_file_path_byid(mfi_id);