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Fix corrupted backup file, fix #6424 (#6691)

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Reappear stably on the api30 Android Studio Emulator,
first save a large backup file,
then save a small backup file, overwriting the previous larger backup file,
so you get a backup file with a larger size but only the first part is meaningful,
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啊o额iu鱼 2022-02-23 22:12:24 +08:00 committed by GitHub
parent 90214d02d7
commit 6f5328f663
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1 changed files with 5 additions and 1 deletions
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app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupManager.kt
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@ -32,6 +32,7 @@ import logcat.LogPriority
import okio.buffer import okio.buffer
import okio.gzip import okio.gzip
import okio.sink import okio.sink
import java.io.FileOutputStream
import kotlin.math.max import kotlin.math.max
class FullBackupManager(context: Context) : AbstractBackupManager(context) { class FullBackupManager(context: Context) : AbstractBackupManager(context) {
@ -85,7 +86,10 @@ class FullBackupManager(context: Context) : AbstractBackupManager(context) {
?: throw Exception("Couldn't create backup file") ?: throw Exception("Couldn't create backup file")
val byteArray = parser.encodeToByteArray(BackupSerializer, backup!!) val byteArray = parser.encodeToByteArray(BackupSerializer, backup!!)
file.openOutputStream().sink().gzip().buffer().use { it.write(byteArray) } file.openOutputStream().also {
// Force overwrite old file size,
(it as? FileOutputStream)?.channel?.truncate(0)
}.sink().gzip().buffer().use { it.write(byteArray) }
val fileUri = file.uri val fileUri = file.uri
// Make sure it's a valid backup file // Make sure it's a valid backup file