From 7668e458904d9cbac591e5a213c749f38b5ea6e6 Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Tue, 17 Dec 2019 17:15:31 -0500
Subject: [PATCH] Cleanup legacy code

---
 native/jni/core/bootstages.cpp |  5 -----
 native/jni/core/scripting.cpp  | 27 ---------------------------
 native/jni/include/daemon.h    |  1 -
 3 files changed, 33 deletions(-)

diff --git a/native/jni/core/bootstages.cpp b/native/jni/core/bootstages.cpp
index c0424a2ea..71a37ba45 100644
--- a/native/jni/core/bootstages.cpp
+++ b/native/jni/core/bootstages.cpp
@@ -413,11 +413,6 @@ static bool magisk_env() {
 }
 
 static void prepare_modules() {
-	const char *legacy_imgs[] = {SECURE_DIR "/magisk.img", SECURE_DIR "/magisk_merge.img"};
-	for (auto img : legacy_imgs) {
-		if (access(img, F_OK) == 0)
-			migrate_img(img);
-	}
 	DIR *dir;
 	struct dirent *entry;
 	if ((dir = opendir(MODULEUPGRADE))) {
diff --git a/native/jni/core/scripting.cpp b/native/jni/core/scripting.cpp
index 070e9c3d2..5e4899847 100644
--- a/native/jni/core/scripting.cpp
+++ b/native/jni/core/scripting.cpp
@@ -72,33 +72,6 @@ void exec_module_script(const char *stage, const vector<string> &module_list) {
 	}
 }
 
-constexpr char migrate_script[] =
-"MODULEROOT=" MODULEROOT R"EOF(
-IMG=%s
-MNT=/dev/img_mnt
-e2fsck -yf $IMG
-mkdir -p $MNT
-for num in 0 1 2 3 4 5 6 7; do
-  losetup /dev/block/loop${num} $IMG || continue
-  mount -t ext4 /dev/block/loop${num} $MNT
-  rm -rf $MNT/lost+found $MNT/.core
-  magisk --clone $MNT $MODULEROOT
-  umount $MNT
-  rm -rf $MNT
-  losetup -d /dev/block/loop${num}
-  break
-done
-rm -rf $IMG
-)EOF";
-
-void migrate_img(const char *img) {
-	LOGI("* Migrating %s\n", img);
-	exec_t exec { .pre_exec = set_path };
-	char cmds[sizeof(migrate_script) + 128];
-	sprintf(cmds, migrate_script, img);
-	exec_command_sync(exec, "/system/bin/sh", "-c", cmds);
-}
-
 constexpr char install_script[] = R"EOF(
 APK=%s
 log -t Magisk "apk_install: $APK"
diff --git a/native/jni/include/daemon.h b/native/jni/include/daemon.h
index 71ac92b9b..c346a809e 100644
--- a/native/jni/include/daemon.h
+++ b/native/jni/include/daemon.h
@@ -68,7 +68,6 @@ void remove_modules();
 void exec_script(const char *script);
 void exec_common_script(const char *stage);
 void exec_module_script(const char *stage, const std::vector<std::string> &module_list);
-void migrate_img(const char *img);
 void install_apk(const char *apk);
 
 /**************