From e5d5ac76cc8e5d11867aeff6a1d068215c1c3a7c Mon Sep 17 00:00:00 2001
From: Doug Zongker <dougz@android.com>
Date: Thu, 12 Apr 2012 11:01:22 -0700
Subject: minor recovery changes

- add the --just_exit option to make recovery exit normally without doing anything
- make it possible to build updater extensions in C++
- add the clear_display command so that the updater binary can request
  recovery switch to the NONE background UI

These are all used to support the notion of using OTA as a factory
reflash mechanism.

Change-Id: Ib00d1cbf540feff38f52a61a2cf198915b48488c
---
 recovery.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'recovery.cpp')

diff --git a/recovery.cpp b/recovery.cpp
index 3f95372c5..2b5c65c9f 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -51,6 +51,7 @@ static const struct option OPTIONS[] = {
   { "wipe_data", no_argument, NULL, 'w' },
   { "wipe_cache", no_argument, NULL, 'c' },
   { "show_text", no_argument, NULL, 't' },
+  { "just_exit", no_argument, NULL, 'x' },
   { NULL, 0, NULL, 0 },
 };
 
@@ -79,6 +80,7 @@ RecoveryUI* ui = NULL;
  *   --wipe_data - erase user data (and cache), then reboot
  *   --wipe_cache - wipe cache (but not user data), then reboot
  *   --set_encrypted_filesystem=on|off - enables / diasables encrypted fs
+ *   --just_exit - do nothing; exit and reboot
  *
  * After completing, we remove /cache/recovery/command and reboot.
  * Arguments may also be supplied in the bootloader control block (BCB).
@@ -279,7 +281,7 @@ finish_recovery(const char *send_intent) {
     chmod(LAST_LOG_FILE, 0640);
     chmod(LAST_INSTALL_FILE, 0644);
 
-    // Reset to mormal system boot so recovery won't cycle indefinitely.
+    // Reset to normal system boot so recovery won't cycle indefinitely.
     struct bootloader_message boot;
     memset(&boot, 0, sizeof(boot));
     set_bootloader_message(&boot);
@@ -783,6 +785,7 @@ main(int argc, char **argv) {
     const char *send_intent = NULL;
     const char *update_package = NULL;
     int wipe_data = 0, wipe_cache = 0;
+    bool just_exit = false;
 
     int arg;
     while ((arg = getopt_long(argc, argv, "", OPTIONS, NULL)) != -1) {
@@ -793,6 +796,7 @@ main(int argc, char **argv) {
         case 'w': wipe_data = wipe_cache = 1; break;
         case 'c': wipe_cache = 1; break;
         case 't': ui->ShowText(true); break;
+        case 'x': just_exit = true; break;
         case '?':
             LOGE("Invalid command argument\n");
             continue;
@@ -844,7 +848,7 @@ main(int argc, char **argv) {
     } else if (wipe_cache) {
         if (wipe_cache && erase_volume("/cache")) status = INSTALL_ERROR;
         if (status != INSTALL_SUCCESS) ui->Print("Cache wipe failed.\n");
-    } else {
+    } else if (!just_exit) {
         status = INSTALL_ERROR;  // No command specified
     }
 
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