Do not unmount on wipe unless needed. Add reboot binary. Restart recovery process for Galaxy S.

Android.mk

@@ -18,6 +18,10 @@ LOCAL_SRC_FILES := \
 	ui.c \
 	verifier.c
 
+LOCAL_SRC_FILES += \
+    reboot.c \
+    setprop.c
+
 ifndef BOARD_HAS_NO_MISC_PARTITION
     LOCAL_SRC_FILES += \
         firmware.c \
@@ -36,7 +40,7 @@ LOCAL_MODULE := recovery
 
 LOCAL_FORCE_STATIC_EXECUTABLE := true
 
-RECOVERY_VERSION := ClockworkMod Recovery v2.5.0.1
+RECOVERY_VERSION := ClockworkMod Recovery v2.5.0.4
 LOCAL_CFLAGS += -DRECOVERY_VERSION="$(RECOVERY_VERSION)"
 RECOVERY_API_VERSION := 2
 LOCAL_CFLAGS += -DRECOVERY_API_VERSION=$(RECOVERY_API_VERSION)
@@ -138,7 +142,7 @@ LOCAL_STATIC_LIBRARIES += libstdc++ libc
 
 include $(BUILD_EXECUTABLE)
 
-RECOVERY_LINKS := amend busybox flash_image dump_image mkyaffs2image unyaffs erase_image nandroid
+RECOVERY_LINKS := amend busybox flash_image dump_image mkyaffs2image unyaffs erase_image nandroid reboot
 
 # nc is provided by external/netcat
 SYMLINKS := $(addprefix $(TARGET_RECOVERY_ROOT_OUT)/sbin/,$(RECOVERY_LINKS))

killrecovery.sh

@@ -6,4 +6,11 @@ touch /tmp/.ignorebootmessage
 kill $(ps | grep /sbin/adbd)
 kill $(ps | grep /sbin/recovery)
 
+# On the Galaxy S, the recovery comes test signed, but the
+# recovery is not automatically restarted.
+if [ -f /init.smdkc110.rc ]
+then
+    /sbin/recovery &
+fi
+
 exit 1

nandroid.c

@@ -228,10 +228,12 @@ int nandroid_restore_partition_extended(const char* backup_path, const char* roo
     }
 
     ui_print("Restoring %s...\n", name);
+    /*
     if (0 != (ret = ensure_root_path_unmounted(root))) {
         ui_print("Can't unmount %s!\n", mount_point);
         return ret;
     }
+    */
     if (0 != (ret = format_root_device(root))) {
         ui_print("Error while formatting %s!\n", root);
         return ret;

recovery.c

@@ -536,6 +536,10 @@ main(int argc, char **argv)
             return amend_main(argc, argv);
         if (strstr(argv[0], "nandroid"))
             return nandroid_main(argc, argv);
+        if (strstr(argv[0], "reboot"))
+            return reboot_main(argc, argv);
+        if (strstr(argv[0], "setprop"))
+            return setprop_main(argc, argv);
 		return busybox_driver(argc, argv);
 	}
     __system("/sbin/postrecoveryboot.sh");

roots.c

@@ -345,7 +345,7 @@ format_root_device(const char *root)
         LOGW("format_root_device: can't resolve \"%s\"\n", root);
         return -1;
     }
-    if (info->mount_point != NULL) {
+    if (info->mount_point != NULL && info->device == g_mtd_device) {
         /* Don't try to format a mounted device.
          */
         int ret = ensure_root_path_unmounted(root);