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Commit a8a739f3 authored by Christopher Tate's avatar Christopher Tate
Browse files

Don't back up / restore the code_cache/ directory 

Bug 19628750

Change-Id: I1f2f5e8083675bf70d17c0c143dc813ca9e04610
parent e51f7997

core/java/android/app/backup/BackupAgent.java

+9 −2
Original line number Diff line number Diff line
@@ -258,6 +258,7 @@ public abstract class BackupAgent extends ContextWrapper { 
     *

     * <ul>

     * <li>The contents of the {@link #getCacheDir()} directory</li>

     * <li>The contents of the {@link #getCodeCacheDir()} directory</li>

     * <li>The contents of the {@link #getNoBackupFilesDir()} directory</li>

     * <li>The contents of the app's shared library directory</li>

     * </ul>
@@ -285,6 +286,7 @@ public abstract class BackupAgent extends ContextWrapper { 
        String databaseDir = getDatabasePath("foo").getParentFile().getCanonicalPath();

        String sharedPrefsDir = getSharedPrefsFile("foo").getParentFile().getCanonicalPath();

        String cacheDir = getCacheDir().getCanonicalPath();

        String codeCacheDir = getCodeCacheDir().getCanonicalPath();

        String libDir = (appInfo.nativeLibraryDir != null)

                ? new File(appInfo.nativeLibraryDir).getCanonicalPath()

                : null;
@@ -298,6 +300,7 @@ public abstract class BackupAgent extends ContextWrapper { 
            filterSet.add(libDir);

        }

        filterSet.add(cacheDir);

        filterSet.add(codeCacheDir);

        filterSet.add(databaseDir);

        filterSet.add(sharedPrefsDir);

        filterSet.add(filesDir);
@@ -354,6 +357,7 @@ public abstract class BackupAgent extends ContextWrapper { 
        String dbDir;

        String spDir;

        String cacheDir;

        String codeCacheDir;

        String libDir;

        String efDir = null;

        String filePath;
@@ -367,6 +371,7 @@ public abstract class BackupAgent extends ContextWrapper { 
            dbDir = getDatabasePath("foo").getParentFile().getCanonicalPath();

            spDir = getSharedPrefsFile("foo").getParentFile().getCanonicalPath();

            cacheDir = getCacheDir().getCanonicalPath();

            codeCacheDir = getCodeCacheDir().getCanonicalPath();

            libDir = (appInfo.nativeLibraryDir == null)

                    ? null

                    : new File(appInfo.nativeLibraryDir).getCanonicalPath();
@@ -380,7 +385,8 @@ public abstract class BackupAgent extends ContextWrapper { 
            }



            // Now figure out which well-defined tree the file is placed in, working from

            // most to least specific.  We also specifically exclude the lib and cache dirs.

            // most to least specific.  We also specifically exclude the lib, cache,

            // and code_cache dirs.

            filePath = file.getCanonicalPath();

        } catch (IOException e) {

            Log.w(TAG, "Unable to obtain canonical paths");
@@ -388,9 +394,10 @@ public abstract class BackupAgent extends ContextWrapper { 
        }



        if (filePath.startsWith(cacheDir)

                || filePath.startsWith(codeCacheDir)

                || filePath.startsWith(libDir)

                || filePath.startsWith(nbFilesDir)) {

            Log.w(TAG, "lib, cache, and no_backup files are not backed up");

            Log.w(TAG, "lib, cache, code_cache, and no_backup files are not backed up");

            return;

        }