Issue 2516 - Add a release build script

build_release.py

Index: build_release.py
===================================================================
new file mode 100755
--- /dev/null
+++ b/build_release.py
@@ -0,0 +1,95 @@
+#!/usr/bin/env python
+
+import glob
+import json
+import os
+import shutil
+import subprocess
+import sys
+import tempfile
+
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+ENSURE_DEPENDENCIES_PATH = os.path.join(BASE_DIR, "ensure_dependencies.py")
+MACH_PATH = os.path.join(BASE_DIR, "mach")
+DIST_PATH = os.path.join(BASE_DIR, "obj-arm-linux-androideabi", "dist")
+
+def print_usage():
+  print >>sys.stderr, "Usage: %s devbuild|release KEY_STORE KEY_NAME" % \
+    os.path.basename(sys.argv[0])
+
+def check_mozconfig(path, mode):
+  if not os.path.exists(path):
+    raise Exception("'%s' doesn't exist, please create it." % path)
+
+  with open(path) as file:
+    contents = file.read()
+
+  # This check can be removed once https://issues.adblockplus.org/ticket/2490 is
+  # done.
+  if "--disable-crashreporter" not in contents:
+    raise Exception(
+      "'%s' doesn't seem to set --disable-crashreporter, please do." % path)
+
+  if "export MOZILLA_OFFICIAL=1" not in contents:
+    raise Exception(
+      "'%s' doesn't seem to export MOZILLA_OFFICIAL=1, please do." % path)
+
+  updater_disabled = "--disable-updater" in contents
+  if updater_disabled and mode == "devbuild":
+    raise Exception("'%s' seems to set --disable-updater, please don't." % path)
+  elif not updater_disabled and mode == "release":
+    raise Exception(
+      "'%s' doesn't seem to set --disable-updater, please do." % path)
+
+def find_mozconfig(mode):
+  mozconfig_path = os.path.join(BASE_DIR, ".mozconfig-" + mode)
+  check_mozconfig(mozconfig_path, mode)
+  return mozconfig_path
+
+def build(mode):
+  mach_environment = os.environ.copy()
+  mach_environment["MOZCONFIG"] = find_mozconfig(mode)
+  subprocess.check_call([MACH_PATH, "clobber"], env=mach_environment)
+  subprocess.check_call([MACH_PATH, "build"], env=mach_environment)
+  subprocess.check_call([MACH_PATH, "package"], env=mach_environment)
+
+  [manifest_path] = glob.glob(os.path.join(
+    DIST_PATH, "fennec-*.en-US.android-arm.json"))
+  with open(manifest_path) as manifest_file:
+    manifest = json.load(manifest_file)
+
+  apk_path = os.path.join(DIST_PATH, "gecko-unsigned-unaligned.apk")
+  if mode == "release":
+    target_apk_name = "adblockbrowser-%s-arm.apk" % manifest["moz_app_version"]
+  else:
+    target_apk_name = "adblockbrowser-%s.%s-arm.apk" % (
+      manifest["moz_app_version"], manifest["buildid"])
+  target_apk_path = os.path.join(DIST_PATH, target_apk_name)
+  shutil.copyfile(apk_path, target_apk_path)
+  return target_apk_path
+
+def sign(apk_path, key_store, key_name):
+  temp_apk_path = tempfile.NamedTemporaryFile().name
+  shutil.copyfile(apk_path, temp_apk_path)
+  try:
+    subprocess.check_call(["jarsigner", "-verbose", "-sigalg", "SHA1withRSA",
+                           "-digestalg", "SHA1", "-keystore", key_store,
+                           temp_apk_path, key_name])
+    os.remove(apk_path)
+    subprocess.check_call(["zipalign", "-v", "4", temp_apk_path, apk_path])
+  finally:
+    os.remove(temp_apk_path)
+
+if __name__ == "__main__":
+  if len(sys.argv) < 4:
+    print_usage()
+    sys.exit(1)
+
+  mode, key_store, key_name = sys.argv[1:]
+  if mode not in ("devbuild", "release"):
+    print_usage()
+    sys.exit(2)
+
+  subprocess.check_call([ENSURE_DEPENDENCIES_PATH])
+  apk_path = build(mode)
+  sign(apk_path, key_store, key_name)