Add support for block incremental OTAs
Change-Id: Ie72015e34ed8d7595a5c74c8df41cba73275afab
diff --git a/tools/releasetools/edify_generator.py b/tools/releasetools/edify_generator.py
index 426b713..a5340a0 100644
--- a/tools/releasetools/edify_generator.py
+++ b/tools/releasetools/edify_generator.py
@@ -81,6 +81,18 @@
) % (" or ".join(fp),)
self.script.append(cmd)
+ def AssertRecoveryFingerprint(self, *fp):
+ """Assert that the current recovery build fingerprint is one of *fp."""
+ if not fp:
+ raise ValueError("must specify some fingerprints")
+ cmd = (
+ ' ||\n '.join([('getprop("ro.build.fingerprint") == "%s"')
+ % i for i in fp]) +
+ ' ||\n abort("Package expects build fingerprint of %s; this '
+ 'device has " + getprop("ro.build.fingerprint") + ".");'
+ ) % (" or ".join(fp),)
+ self.script.append(cmd)
+
def AssertOlderBuild(self, timestamp, timestamp_text):
"""Assert that the build on the device is older (or the same as)
the given timestamp."""
@@ -296,3 +308,8 @@
data = open(os.path.join(input_path, "updater")).read()
common.ZipWriteStr(output_zip, "META-INF/com/google/android/update-binary",
data, perms=0755)
+
+ def Syspatch(self, filename, size, target_sha, source_sha, patchfile):
+ """Applies a compressed binary patch to a block device."""
+ call = 'syspatch("%s", "%s", "%s", "%s", "%s");'
+ self.script.append(call % (filename, size, target_sha, source_sha, patchfile))