Workaround for cbz long filename error

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -484,9 +484,12 @@ class Downloader(
 
         // Only rename the directory if it's downloaded.
         if (download.status == Download.State.DOWNLOADED) {
-            if (preferences.saveChaptersAsCBZ().get()) {
-                val zip = mangaDir.createFile("$dirname.cbz.tmp")
-                val zipOut = ZipOutputStream(BufferedOutputStream(zip.openOutputStream()))
+            var zip: UniFile? = null
+            if (
+                preferences.saveChaptersAsCBZ().get() &&
+                mangaDir.createFile("$dirname.cbz.tmp").also { zip = it } != null
+            ) {
+                ZipOutputStream(zip!!.openOutputStream().buffered()).use { zipOut ->
                     val compressionLevel = preferences.saveChaptersAsCBZLevel().get()
 
                     zipOut.setLevel(compressionLevel)
@@ -496,7 +499,7 @@ class Downloader(
                     }
 
                     tmpDir.listFiles()?.forEach { img ->
-                    val input = img.openInputStream()
+                        img.openInputStream().use { input ->
                             val data = input.readBytes()
                             val entry = ZipEntry(img.name)
                             if (compressionLevel == 0) {
@@ -509,10 +512,12 @@ class Downloader(
                             }
                             zipOut.putNextEntry(entry)
                             zipOut.write(data)
-                    input.close()
+                            zipOut.closeEntry()
                         }
-                zipOut.close()
-                zip.renameTo("$dirname.cbz")
+                    }
+                }
+
+                zip!!.renameTo("$dirname.cbz")
                 tmpDir.delete()
             } else {
                 tmpDir.renameTo(dirname)