Index: trunk/src/plug_footprint.c
===================================================================
--- trunk/src/plug_footprint.c	(revision 7935)
+++ trunk/src/plug_footprint.c	(revision 7936)
@@ -184,6 +184,7 @@
 		l->name = pcb_strdup(name);
 	l->parent = parent;
 	l->type = LIB_DIR;
+	l->data.dir.backend = NULL;
 	vtlib_init(&l->data.dir.children);
 	return l;
 }
@@ -399,8 +400,25 @@
 
 int pcb_fp_rehash(pcb_fplibrary_t *l)
 {
+	pcb_plug_fp_t *be;
+	char *path;
+	int res;
+
 	if (l == NULL) {
 		pcb_fp_free_children(&pcb_library);
 		return pcb_fp_read_lib_all();
 	}
+	if (l->type != PCB_FP_DIR)
+		return -1;
+
+	be = l->data.dir.backend;
+	if ((be == NULL) || (be->load_dir == NULL))
+		return -1;
+
+	path = pcb_strdup(l->name);
+	pcb_fp_rmdir(l);
+	res = be->load_dir(be, path, 1);
+	pcb_fp_sort_children(&pcb_library);
+	free(path);
+	return res;
 }
Index: trunk/src/plug_footprint_act.c
===================================================================
--- trunk/src/plug_footprint_act.c	(revision 7935)
+++ trunk/src/plug_footprint_act.c	(revision 7936)
@@ -31,7 +31,33 @@
 static const char pcb_acth_fp_rehash[] = "Flush the library index; rescan all library search paths and rebuild the library index. Useful if there are changes in the library during a pcb-rnd session.";
 static int pcb_act_fp_rehash(int argc, const char **argv, pcb_coord_t x, pcb_coord_t y)
 {
-	pcb_fp_rehash(NULL);
+	pcb_fplibrary_t *l;
+
+	if (argc == 0) {
+		pcb_fp_rehash(NULL);
+		return 0;
+	}
+
+	l = pcb_fp_lib_search(&pcb_library, argv[0]);
+	if (l == NULL) {
+		pcb_message(PCB_MSG_ERROR, "Can't find library path %s\n", argv[0]);
+		return 1;
+	}
+
+	if (l->type != PCB_FP_DIR) {
+		pcb_message(PCB_MSG_ERROR, "Library path %s is not a directory\n", argv[0]);
+		return 1;
+	}
+
+	if (l->data.dir.backend == NULL) {
+		pcb_message(PCB_MSG_ERROR, "Library path %s is not a top level directory of a fp_ plugin\n", argv[0]);
+		return 1;
+	}
+
+	if (pcb_fp_rehash(l) != 0) {
+		pcb_message(PCB_MSG_ERROR, "Failed to rehash %s\n", argv[0]);
+		return 1;
+	}
 	return 0;
 }
 
Index: trunk/src/vtlibrary.h
===================================================================
--- trunk/src/vtlibrary.h	(revision 7935)
+++ trunk/src/vtlibrary.h	(revision 7936)
@@ -61,6 +61,7 @@
 	union {
 		struct { /* type == LIB_DIR */
 			vtlib_t children;
+			void *backend; /* pcb_plug_fp_t* */
 		} dir;
 		struct { /* type == LIB_FOOTPRINT */
 			char *loc_info;
Index: trunk/src_plugins/fp_fs/fp_fs.c
===================================================================
--- trunk/src_plugins/fp_fs/fp_fs.c	(revision 7935)
+++ trunk/src_plugins/fp_fs/fp_fs.c	(revision 7936)
@@ -260,7 +260,14 @@
 
 static int fp_fs_load_dir(pcb_plug_fp_t *ctx, const char *path, int force)
 {
-	return fp_fs_load_dir_(&pcb_library, ".", path, 1);
+	int res;
+	res = fp_fs_load_dir_(&pcb_library, ".", path, 1);
+	if (res >= 0) {
+		pcb_fplibrary_t *l = pcb_fp_lib_search(&pcb_library, "fs");
+		if ((l != NULL) && (l->type == PCB_FP_DIR))
+			l->data.dir.backend = ctx;
+	}
+	return res;
 }
 
 typedef struct {
Index: trunk/src_plugins/fp_wget/gedasymbols.c
===================================================================
--- trunk/src_plugins/fp_wget/gedasymbols.c	(revision 7935)
+++ trunk/src_plugins/fp_wget/gedasymbols.c	(revision 7936)
@@ -78,6 +78,7 @@
 	gds_t vpath;
 	int vpath_base_len;
 	fp_get_mode wmode = FP_WGET_OFFLINE;
+	pcb_fplibrary_t *l;
 
 	if (strncmp(path, REQUIRE_PATH_PREFIX, strlen(REQUIRE_PATH_PREFIX)) != 0)
 		return -1;
@@ -115,12 +116,16 @@
 
 	gds_init(&vpath);
 	gds_append_str(&vpath, REQUIRE_PATH_PREFIX);
+
+	l = pcb_fp_mkdir_p(vpath.array);
+	l->data.dir.backend = ctx;
+
 	gds_append(&vpath, '/');
 	vpath_base_len = vpath.used;
 
+
 	while(fgets(line, sizeof(line), f) != NULL) {
 		char *end, *fn;
-		pcb_fplibrary_t *l;
 
 		if (*line == '#')
 			continue;