make SignApk faster for OTA packages
Change to the default compression level instead of the max compression
level for OTA packages (-w): it's much faster and the difference in
output size is usually negligible.
Bug: 6778962
Change-Id: I82a6acc19be8b3289fd84c8c15f03ebeb7a1ce63
diff --git a/tools/signapk/SignApk.java b/tools/signapk/SignApk.java
index d8d9bf1..cb19296 100644
--- a/tools/signapk/SignApk.java
+++ b/tools/signapk/SignApk.java
@@ -497,7 +497,16 @@
outputStream = outputFile = new FileOutputStream(args[argstart+3]);
}
outputJar = new JarOutputStream(outputStream);
- outputJar.setLevel(9);
+
+ // For signing .apks, use the maximum compression to make
+ // them as small as possible (since they live forever on
+ // the system partition). For OTA packages, use the
+ // default compression level, which is much much faster
+ // and produces output that is only a tiny bit larger
+ // (~0.1% on full OTA packages I tested).
+ if (!signWholeFile) {
+ outputJar.setLevel(9);
+ }
JarEntry je;
