AI 144270: am: CL 144269 Relocate the new (google-indepedent) tools for signing and
building images & OTA packages out of vendor/google.
No device code is touched by this change.
Original author: dougz
Merged from: //branches/cupcake/...
Automated import of CL 144270
diff --git a/tools/releasetools/img_from_target_files b/tools/releasetools/img_from_target_files
new file mode 100755
index 0000000..3451352
--- /dev/null
+++ b/tools/releasetools/img_from_target_files
@@ -0,0 +1,157 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2008 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Given a target-files zipfile, produces an image zipfile suitable for
+use with 'fastboot update'.
+
+Usage: img_from_target_files [flags] input_target_files output_image_zip
+
+ -b (--board_config) <file>
+ Specifies a BoardConfig.mk file containing image max sizes
+ against which the generated image files are checked.
+
+"""
+
+import sys
+
+if sys.hexversion < 0x02040000:
+ print >> sys.stderr, "Python 2.4 or newer is required."
+ sys.exit(1)
+
+import os
+import re
+import shutil
+import subprocess
+import tempfile
+import zipfile
+
+# missing in Python 2.4 and before
+if not hasattr(os, "SEEK_SET"):
+ os.SEEK_SET = 0
+
+import common
+
+OPTIONS = common.OPTIONS
+
+
+def AddUserdata(output_zip):
+ """Create an empty userdata image and store it in output_zip."""
+
+ print "creating userdata.img..."
+
+ # The name of the directory it is making an image out of matters to
+ # mkyaffs2image. So we create a temp dir, and within it we create an
+ # empty dir named "data", and build the image from that.
+ temp_dir = tempfile.mkdtemp()
+ user_dir = os.path.join(temp_dir, "data")
+ os.mkdir(user_dir)
+ img = tempfile.NamedTemporaryFile()
+
+ p = common.Run(["mkyaffs2image", "-f", user_dir, img.name])
+ p.communicate()
+ assert p.returncode == 0, "mkyaffs2image of userdata.img image failed"
+
+ common.CheckSize(img.name, "userdata.img")
+ output_zip.write(img.name, "userdata.img")
+ img.close()
+ os.rmdir(user_dir)
+ os.rmdir(temp_dir)
+
+
+def AddSystem(output_zip):
+ """Turn the contents of SYSTEM into a system image and store it in
+ output_zip."""
+
+ print "creating system.img..."
+
+ img = tempfile.NamedTemporaryFile()
+
+ # The name of the directory it is making an image out of matters to
+ # mkyaffs2image. It wants "system" but we have a directory named
+ # "SYSTEM", so create a symlink.
+ os.symlink(os.path.join(OPTIONS.input_tmp, "SYSTEM"),
+ os.path.join(OPTIONS.input_tmp, "system"))
+
+ p = common.Run(["mkyaffs2image", "-f",
+ os.path.join(OPTIONS.input_tmp, "system"), img.name])
+ p.communicate()
+ assert p.returncode == 0, "mkyaffs2image of system.img image failed"
+
+ img.seek(os.SEEK_SET, 0)
+ data = img.read()
+ img.close()
+
+ common.CheckSize(data, "system.img")
+ output_zip.writestr("system.img", data)
+
+
+def CopyInfo(output_zip):
+ """Copy the android-info.txt file from the input to the output."""
+ output_zip.write(os.path.join(OPTIONS.input_tmp, "OTA", "android-info.txt"),
+ "android-info.txt")
+
+
+def main(argv):
+
+ def option_handler(o, a):
+ if o in ("-b", "--board_config"):
+ common.LoadBoardConfig(a)
+ return True
+ else:
+ return False
+
+ args = common.ParseOptions(argv, __doc__,
+ extra_opts="b:",
+ extra_long_opts=["board_config="],
+ extra_option_handler=option_handler)
+
+ if len(args) != 2:
+ common.Usage(__doc__)
+ sys.exit(1)
+
+ if not OPTIONS.max_image_size:
+ print
+ print " WARNING: No board config specified; will not check image"
+ print " sizes against limits. Use -b to make sure the generated"
+ print " images don't exceed partition sizes."
+ print
+
+ OPTIONS.input_tmp = common.UnzipTemp(args[0])
+
+ output_zip = zipfile.ZipFile(args[1], "w", compression=zipfile.ZIP_DEFLATED)
+
+ common.AddBoot(output_zip)
+ common.AddRecovery(output_zip)
+ AddSystem(output_zip)
+ AddUserdata(output_zip)
+ CopyInfo(output_zip)
+
+ print "cleaning up..."
+ output_zip.close()
+ shutil.rmtree(OPTIONS.input_tmp)
+
+ print "done."
+
+
+if __name__ == '__main__':
+ try:
+ main(sys.argv[1:])
+ except common.ExternalError, e:
+ print
+ print " ERROR: %s" % (e,)
+ print
+ sys.exit(1)