Add m-esr52 at 52.6.0

1 files changed, 560 insertions, 0 deletions

diff --git a/tools/update-packaging/make_incremental_updates.py b/tools/update-packaging/make_incremental_updates.py
new file mode 100755
index 000000000..d346ee2df
--- /dev/null
+++ b/tools/update-packaging/make_incremental_updates.py
@@ -0,0 +1,560 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import shutil
+import sha
+from os.path import join, getsize
+from stat import *
+import re
+import sys
+import getopt
+import time
+import datetime
+import bz2
+import string
+import tempfile
+
+class PatchInfo:
+    """ Represents the meta-data associated with a patch
+        work_dir = working dir where files are stored for this patch
+        archive_files = list of files to include in this patch
+        manifestv2 = set of manifest version 2 patch instructions
+        manifestv3 = set of manifest version 3 patch instructions
+        file_exclusion_list =
+        files to exclude from this patch. names without slashes will be
+        excluded anywhere in the directory hiearchy.   names with slashes
+        will only be excluded at that exact path
+        """
+    def __init__(self, work_dir, file_exclusion_list, path_exclusion_list):
+        self.work_dir=work_dir
+        self.archive_files=[]
+        self.manifestv2=[]
+        self.manifestv3=[]
+        self.file_exclusion_list=file_exclusion_list
+        self.path_exclusion_list=path_exclusion_list
+
+    def append_add_instruction(self, filename):
+        """ Appends an add instruction for this patch.
+            if filename starts with distribution/extensions/.*/ this will add an
+            add-if instruction that will add the file if the parent directory
+            of the file exists.  This was ported from
+            mozilla/tools/update-packaging/common.sh's make_add_instruction.
+        """
+        m = re.match("((?:|.*/)distribution/extensions/.*)/", filename)
+        if m:
+            # Directory immediately following extensions is used for the test
+            testdir = m.group(1)
+            print '     add-if "'+testdir+'" "'+filename+'"'
+            self.manifestv2.append('add-if "'+testdir+'" "'+filename+'"')
+            self.manifestv3.append('add-if "'+testdir+'" "'+filename+'"')
+        else:
+            print '        add "'+filename+'"'
+            self.manifestv2.append('add "'+filename+'"')
+            self.manifestv3.append('add "'+filename+'"')
+
+    def append_add_if_not_instruction(self, filename):
+        """ Appends an add-if-not instruction to the version 3 manifest for this patch.
+            This was ported from mozilla/tools/update-packaging/common.sh's
+            make_add_if_not_instruction.
+        """
+        print ' add-if-not "'+filename+'" "'+filename+'"'
+        self.manifestv3.append('add-if-not "'+filename+'" "'+filename+'"')
+
+    def append_patch_instruction(self, filename, patchname):
+        """ Appends a patch instruction for this patch.
+
+            filename = file to patch
+            patchname = patchfile to apply to file
+
+            if filename starts with distribution/extensions/.*/ this will add a
+            patch-if instruction that will patch the file if the parent
+            directory of the file exists. This was ported from
+            mozilla/tools/update-packaging/common.sh's make_patch_instruction.
+        """
+        m = re.match("((?:|.*/)distribution/extensions/.*)/", filename)
+        if m:
+            testdir = m.group(1)
+            print '   patch-if "'+testdir+'" "'+patchname+'" "'+filename+'"'
+            self.manifestv2.append('patch-if "'+testdir+'" "'+patchname+'" "'+filename+'"')
+            self.manifestv3.append('patch-if "'+testdir+'" "'+patchname+'" "'+filename+'"')
+        else:
+            print '      patch "'+patchname+'" "'+filename+'"'
+            self.manifestv2.append('patch "'+patchname+'" "'+filename+'"')
+            self.manifestv3.append('patch "'+patchname+'" "'+filename+'"')
+
+    def append_remove_instruction(self, filename):
+        """ Appends an remove instruction for this patch.
+            This was ported from
+            mozilla/tools/update-packaging/common.sh/make_remove_instruction
+        """
+        if filename.endswith("/"):
+            print '      rmdir "'+filename+'"'
+            self.manifestv2.append('rmdir "'+filename+'"')
+            self.manifestv3.append('rmdir "'+filename+'"')
+        elif filename.endswith("/*"):
+            filename = filename[:-1]
+            print '    rmrfdir "'+filename+'"'
+            self.manifestv2.append('rmrfdir "'+filename+'"')
+            self.manifestv3.append('rmrfdir "'+filename+'"')
+        else:
+            print '     remove "'+filename+'"'
+            self.manifestv2.append('remove "'+filename+'"')
+            self.manifestv3.append('remove "'+filename+'"')
+
+    def create_manifest_files(self):
+        """ Create the v2 manifest file in the root of the work_dir """
+        manifest_file_path = os.path.join(self.work_dir,"updatev2.manifest")
+        manifest_file = open(manifest_file_path, "wb")
+        manifest_file.writelines("type \"partial\"\n")
+        manifest_file.writelines(string.join(self.manifestv2, '\n'))
+        manifest_file.writelines("\n")
+        manifest_file.close()
+
+        bzip_file(manifest_file_path)
+        self.archive_files.append('"updatev2.manifest"')
+
+        """ Create the v3 manifest file in the root of the work_dir """
+        manifest_file_path = os.path.join(self.work_dir,"updatev3.manifest")
+        manifest_file = open(manifest_file_path, "wb")
+        manifest_file.writelines("type \"partial\"\n")
+        manifest_file.writelines(string.join(self.manifestv3, '\n'))
+        manifest_file.writelines("\n")
+        manifest_file.close()
+
+        bzip_file(manifest_file_path)
+        self.archive_files.append('"updatev3.manifest"')
+
+    def build_marfile_entry_hash(self, root_path):
+        """ Iterates through the root_path, creating a MarFileEntry for each file
+            and directory in that path.  Excludes any filenames in the file_exclusion_list
+        """
+        mar_entry_hash = {}
+        filename_set = set()
+        dirname_set = set()
+        for root, dirs, files in os.walk(root_path):
+            for name in files:
+                # filename is the relative path from root directory
+                partial_path = root[len(root_path)+1:]
+                if name not in self.file_exclusion_list:
+                    filename = os.path.join(partial_path, name)
+                    if "/"+filename not in self.path_exclusion_list:
+                        mar_entry_hash[filename]=MarFileEntry(root_path, filename)
+                        filename_set.add(filename)
+
+            for name in dirs:
+                # dirname is the relative path from root directory
+                partial_path = root[len(root_path)+1:]
+                if name not in self.file_exclusion_list:
+                    dirname = os.path.join(partial_path, name)
+                    if "/"+dirname not in self.path_exclusion_list:
+                        dirname = dirname+"/"
+                        mar_entry_hash[dirname]=MarFileEntry(root_path, dirname)
+                        dirname_set.add(dirname)
+
+        return mar_entry_hash, filename_set, dirname_set
+
+
+class MarFileEntry:
+    """Represents a file inside a Mozilla Archive Format (MAR)
+        abs_path = abspath to the the file
+        name =  relative path within the mar.  e.g.
+          foo.mar/dir/bar.txt extracted into /tmp/foo:
+            abs_path=/tmp/foo/dir/bar.txt
+            name = dir/bar.txt
+    """
+    def __init__(self, root, name):
+        """root = path the the top of the mar
+           name = relative path within the mar"""
+        self.name=name.replace("\\", "/")
+        self.abs_path=os.path.join(root,name)
+        self.sha_cache=None
+
+    def __str__(self):
+        return 'Name: %s FullPath: %s' %(self.name,self.abs_path)
+
+    def calc_file_sha_digest(self, filename):
+        """ Returns sha digest of given filename"""
+        file_content = open(filename, 'r').read()
+        return sha.new(file_content).digest()
+
+    def sha(self):
+        """ Returns sha digest of file repreesnted by this _marfile_entry"""
+        if not self.sha_cache:
+            self.sha_cache=self.calc_file_sha_digest(self.abs_path)
+        return self.sha_cache
+
+def exec_shell_cmd(cmd):
+    """Execs shell cmd and raises an exception if the cmd fails"""
+    if (os.system(cmd)):
+        raise Exception, "cmd failed "+cmd
+
+
+def copy_file(src_file_abs_path, dst_file_abs_path):
+    """ Copies src to dst creating any parent dirs required in dst first """
+    dst_file_dir=os.path.dirname(dst_file_abs_path)
+    if not os.path.exists(dst_file_dir):
+         os.makedirs(dst_file_dir)
+    # Copy the file over
+    shutil.copy2(src_file_abs_path, dst_file_abs_path)
+
+def bzip_file(filename):
+    """ Bzip's the file in place.  The original file is replaced with a bzip'd version of itself
+        assumes the path is absolute"""
+    exec_shell_cmd('bzip2 -z9 "' + filename+'"')
+    os.rename(filename+".bz2",filename)
+
+def bunzip_file(filename):
+    """ Bzip's the file in palce.   The original file is replaced with a bunzip'd version of itself.
+        doesn't matter if the filename ends in .bz2 or not"""
+    if not filename.endswith(".bz2"):
+        os.rename(filename, filename+".bz2")
+        filename=filename+".bz2"
+    exec_shell_cmd('bzip2 -d "' + filename+'"')
+
+
+def extract_mar(filename, work_dir):
+    """ Extracts the marfile intot he work_dir
+        assumes work_dir already exists otherwise will throw osError"""
+    print "Extracting "+filename+" to "+work_dir
+    saved_path = os.getcwd()
+    try:
+        os.chdir(work_dir)
+        exec_shell_cmd("mar -x "+filename)
+    finally:
+        os.chdir(saved_path)
+
+def create_partial_patch_for_file(from_marfile_entry, to_marfile_entry, shas, patch_info):
+    """ Creates the partial patch file and manifest entry for the pair of files passed in
+    """
+    if not (from_marfile_entry.sha(),to_marfile_entry.sha()) in shas:
+        print 'diffing "'+from_marfile_entry.name+'\"'
+        #bunzip to/from
+        bunzip_file(from_marfile_entry.abs_path)
+        bunzip_file(to_marfile_entry.abs_path)
+
+        # The patch file will be created in the working directory with the
+        # name of the file in the mar + .patch
+        patch_file_abs_path = os.path.join(patch_info.work_dir,from_marfile_entry.name+".patch")
+        patch_file_dir=os.path.dirname(patch_file_abs_path)
+        if not os.path.exists(patch_file_dir):
+            os.makedirs(patch_file_dir)
+
+        # Create bzip'd patch file
+        exec_shell_cmd("mbsdiff "+from_marfile_entry.abs_path+" "+to_marfile_entry.abs_path+" "+patch_file_abs_path)
+        bzip_file(patch_file_abs_path)
+
+        # Create bzip's full file
+        full_file_abs_path =  os.path.join(patch_info.work_dir, to_marfile_entry.name)
+        shutil.copy2(to_marfile_entry.abs_path, full_file_abs_path)
+        bzip_file(full_file_abs_path)
+
+        if os.path.getsize(patch_file_abs_path) < os.path.getsize(full_file_abs_path):
+            # Patch is smaller than file.  Remove the file and add patch to manifest
+            os.remove(full_file_abs_path)
+            file_in_manifest_name = from_marfile_entry.name+".patch"
+            file_in_manifest_abspath = patch_file_abs_path
+            patch_info.append_patch_instruction(to_marfile_entry.name, file_in_manifest_name)
+        else:
+            # File is smaller than patch.  Remove the patch and add file to manifest
+            os.remove(patch_file_abs_path)
+            file_in_manifest_name = from_marfile_entry.name
+            file_in_manifest_abspath = full_file_abs_path
+            patch_info.append_add_instruction(file_in_manifest_name)
+
+        shas[from_marfile_entry.sha(),to_marfile_entry.sha()] = (file_in_manifest_name,file_in_manifest_abspath)
+        patch_info.archive_files.append('"'+file_in_manifest_name+'"')
+    else:
+        filename, src_file_abs_path = shas[from_marfile_entry.sha(),to_marfile_entry.sha()]
+        # We've already calculated the patch for this pair of files.
+        if (filename.endswith(".patch")):
+            # print "skipping diff: "+from_marfile_entry.name
+            # Patch was smaller than file - add patch instruction to manifest
+            file_in_manifest_name = to_marfile_entry.name+'.patch';
+            patch_info.append_patch_instruction(to_marfile_entry.name, file_in_manifest_name)
+        else:
+            # File was smaller than file - add file to manifest
+            file_in_manifest_name = to_marfile_entry.name
+            patch_info.append_add_instruction(file_in_manifest_name)
+        # Copy the pre-calculated file into our new patch work aread
+        copy_file(src_file_abs_path, os.path.join(patch_info.work_dir, file_in_manifest_name))
+        patch_info.archive_files.append('"'+file_in_manifest_name+'"')
+
+def create_add_patch_for_file(to_marfile_entry, patch_info):
+    """  Copy the file to the working dir, add the add instruction, and add it to the list of archive files """
+    copy_file(to_marfile_entry.abs_path, os.path.join(patch_info.work_dir, to_marfile_entry.name))
+    patch_info.append_add_instruction(to_marfile_entry.name)
+    patch_info.archive_files.append('"'+to_marfile_entry.name+'"')
+
+def create_add_if_not_patch_for_file(to_marfile_entry, patch_info):
+    """  Copy the file to the working dir, add the add-if-not instruction, and add it to the list of archive files """
+    copy_file(to_marfile_entry.abs_path, os.path.join(patch_info.work_dir, to_marfile_entry.name))
+    patch_info.append_add_if_not_instruction(to_marfile_entry.name)
+    patch_info.archive_files.append('"'+to_marfile_entry.name+'"')
+
+def process_explicit_remove_files(dir_path, patch_info):
+    """ Looks for a 'removed-files' file in the dir_path.  If the removed-files does not exist
+    this will throw.  If found adds the removed-files
+    found in that file to the patch_info"""
+
+    # Windows and linux have this file at the root of the dir
+    list_file_path = os.path.join(dir_path, "removed-files")
+    if not os.path.exists(list_file_path):
+        list_file_path = os.path.join(dir_path, "Contents/Resources/removed-files")
+
+    if (os.path.exists(list_file_path)):
+        list_file = bz2.BZ2File(list_file_path,"r") # throws if doesn't exist
+
+        lines = []
+        for line in list_file:
+            lines.append(line.strip())
+        list_file.close()
+
+        lines.sort(reverse=True)
+        for line in lines:
+            # Exclude any blank and comment lines.
+            if line and not line.startswith("#"):
+                # Python on windows uses \ for path separators and the update
+                # manifests expects / for path separators on all platforms.
+                line = line.replace("\\", "/")
+                patch_info.append_remove_instruction(line)
+
+def create_partial_patch(from_dir_path, to_dir_path, patch_filename, shas, patch_info, forced_updates, add_if_not_list):
+    """ Builds a partial patch by comparing the files in from_dir_path to those of to_dir_path"""
+    # Cannocolize the paths for safey
+    from_dir_path = os.path.abspath(from_dir_path)
+    to_dir_path = os.path.abspath(to_dir_path)
+    # Create a hashtable of the from  and to directories
+    from_dir_hash,from_file_set,from_dir_set = patch_info.build_marfile_entry_hash(from_dir_path)
+    to_dir_hash,to_file_set,to_dir_set = patch_info.build_marfile_entry_hash(to_dir_path)
+    # Create a list of the forced updates
+    forced_list = forced_updates.strip().split('|')
+    # Require that the precomplete file is included in the complete update
+    if "precomplete" in to_file_set:
+        forced_list.append("precomplete")
+    elif "Contents/Resources/precomplete" in to_file_set:
+        forced_list.append("Contents/Resources/precomplete")
+    # The check with \ file separators allows tests for Mac to run on Windows
+    elif "Contents\Resources\precomplete" in to_file_set:
+        forced_list.append("Contents\Resources\precomplete")
+    else:
+        raise Exception, "missing precomplete file in: "+to_dir_path
+
+    if "removed-files" in to_file_set:
+        forced_list.append("removed-files")
+    elif "Contents/Resources/removed-files" in to_file_set:
+        forced_list.append("Contents/Resources/removed-files")
+    # The check with \ file separators allows tests for Mac to run on Windows
+    elif "Contents\Resources\\removed-files" in to_file_set:
+        forced_list.append("Contents\Resources\\removed-files")
+    else:
+        raise Exception, "missing removed-files file in: "+to_dir_path
+
+    if "chrome.manifest" in to_file_set:
+        forced_list.append("chrome.manifest")
+    elif "Contents/Resources/chrome.manifest" in to_file_set:
+        forced_list.append("Contents/Resources/chrome.manifest")
+    # The check with \ file separators allows tests for Mac to run on Windows
+    elif "Contents\Resources\\chrome.manifest" in to_file_set:
+        forced_list.append("Contents\Resources\\chrome.manifest")
+    else:
+        raise Exception, "missing chrome.manifest file in: "+to_dir_path
+
+    # Files which exist in both sets need to be patched
+    patch_filenames = list(from_file_set.intersection(to_file_set))
+    patch_filenames.sort(reverse=True)
+    for filename in patch_filenames:
+        from_marfile_entry = from_dir_hash[filename]
+        to_marfile_entry = to_dir_hash[filename]
+        if os.path.basename(filename) in add_if_not_list:
+            # This filename is in the add if not list, explicitly add-if-not
+            create_add_if_not_patch_for_file(to_dir_hash[filename], patch_info)
+        elif filename in forced_list:
+            print 'Forcing "'+filename+'"'
+            # This filename is in the forced list, explicitly add
+            create_add_patch_for_file(to_dir_hash[filename], patch_info)
+        else:
+          if from_marfile_entry.sha() != to_marfile_entry.sha():
+              # Not the same - calculate a patch
+              create_partial_patch_for_file(from_marfile_entry, to_marfile_entry, shas, patch_info)
+
+    # files in to_dir not in from_dir need to added
+    add_filenames = list(to_file_set - from_file_set)
+    add_filenames.sort(reverse=True)
+    for filename in add_filenames:
+        if os.path.basename(filename) in add_if_not_list:
+            create_add_if_not_patch_for_file(to_dir_hash[filename], patch_info)
+        else:
+            create_add_patch_for_file(to_dir_hash[filename], patch_info)
+
+    # files in from_dir not in to_dir need to be removed
+    remove_filenames = list(from_file_set - to_file_set)
+    remove_filenames.sort(reverse=True)
+    for filename in remove_filenames:
+        patch_info.append_remove_instruction(from_dir_hash[filename].name)
+
+    process_explicit_remove_files(to_dir_path, patch_info)
+
+    # directories in from_dir not in to_dir need to be removed
+    remove_dirnames = list(from_dir_set - to_dir_set)
+    remove_dirnames.sort(reverse=True)
+    for dirname in remove_dirnames:
+        patch_info.append_remove_instruction(from_dir_hash[dirname].name)
+
+    # Construct the Manifest files
+    patch_info.create_manifest_files()
+
+    # And construct the mar
+    mar_cmd = 'mar -C '+patch_info.work_dir+' -c output.mar '+string.join(patch_info.archive_files, ' ')
+    exec_shell_cmd(mar_cmd)
+
+    # Copy mar to final destination
+    patch_file_dir = os.path.split(patch_filename)[0]
+    if not os.path.exists(patch_file_dir):
+        os.makedirs(patch_file_dir)
+    shutil.copy2(os.path.join(patch_info.work_dir,"output.mar"), patch_filename)
+
+    return patch_filename
+
+def usage():
+    print "-h for help"
+    print "-f for patchlist_file"
+
+def get_buildid(work_dir):
+    """ extracts buildid from MAR
+    """
+    ini = '%s/application.ini' % work_dir
+    if not os.path.exists(ini):
+        ini = '%s/Contents/Resources/application.ini' % work_dir
+        if not os.path.exists(ini):
+            print 'WARNING: application.ini not found, cannot find build ID'
+            return ''
+
+    file = bz2.BZ2File(ini)
+    for line in file:
+        if line.find('BuildID') == 0:
+            return line.strip().split('=')[1]
+    print 'WARNING: cannot find build ID in application.ini'
+    return ''
+
+def decode_filename(filepath):
+    """ Breaks filename/dir structure into component parts based on regex
+        for example: firefox-3.0b3pre.en-US.linux-i686.complete.mar
+        Or linux-i686/en-US/firefox-3.0b3.complete.mar
+        Returns dict with keys product, version, locale, platform, type
+    """
+    try:
+      m = re.search(
+        '(?P<product>\w+)(-)(?P<version>\w+\.\w+(\.\w+){0,2})(\.)(?P<locale>.+?)(\.)(?P<platform>.+?)(\.)(?P<type>\w+)(.mar)',
+      os.path.basename(filepath))
+      return m.groupdict()
+    except Exception, exc:
+      try:
+        m = re.search(
+          '(?P<platform>.+?)\/(?P<locale>.+?)\/(?P<product>\w+)-(?P<version>\w+\.\w+)\.(?P<type>\w+).mar',
+        filepath)
+        return m.groupdict()
+      except:
+        raise Exception("could not parse filepath %s: %s" % (filepath, exc))
+
+def create_partial_patches(patches):
+    """ Given the patches generates a set of partial patches"""
+    shas = {}
+
+    work_dir_root = None
+    metadata = []
+    try:
+        work_dir_root = tempfile.mkdtemp('-fastmode', 'tmp', os.getcwd())
+        print "Building patches using work dir: %s" % (work_dir_root)
+
+        # Iterate through every patch set in the patch file
+        patch_num = 1
+        for patch in patches:
+            startTime = time.time()
+
+            from_filename,to_filename,patch_filename,forced_updates = patch.split(",")
+            from_filename,to_filename,patch_filename = os.path.abspath(from_filename),os.path.abspath(to_filename),os.path.abspath(patch_filename)
+
+            # Each patch iteration uses its own work dir
+            work_dir = os.path.join(work_dir_root,str(patch_num))
+            os.mkdir(work_dir)
+
+            # Extract from mar into from dir
+            work_dir_from =  os.path.join(work_dir,"from");
+            os.mkdir(work_dir_from)
+            extract_mar(from_filename,work_dir_from)
+            from_decoded = decode_filename(from_filename)
+            from_buildid = get_buildid(work_dir_from)
+            from_shasum = sha.sha(open(from_filename).read()).hexdigest()
+            from_size = str(os.path.getsize(to_filename))
+
+            # Extract to mar into to dir
+            work_dir_to =  os.path.join(work_dir,"to")
+            os.mkdir(work_dir_to)
+            extract_mar(to_filename, work_dir_to)
+            to_decoded = decode_filename(from_filename)
+            to_buildid = get_buildid(work_dir_to)
+            to_shasum = sha.sha(open(to_filename).read()).hexdigest()
+            to_size = str(os.path.getsize(to_filename))
+
+            mar_extract_time = time.time()
+
+            partial_filename = create_partial_patch(work_dir_from, work_dir_to, patch_filename, shas, PatchInfo(work_dir, ['update.manifest','updatev2.manifest','updatev3.manifest'],[]),forced_updates,['channel-prefs.js','update-settings.ini'])
+            partial_buildid = to_buildid
+            partial_shasum = sha.sha(open(partial_filename).read()).hexdigest()
+            partial_size = str(os.path.getsize(partial_filename))
+
+            metadata.append({
+             'to_filename': os.path.basename(to_filename),
+             'from_filename': os.path.basename(from_filename),
+             'partial_filename': os.path.basename(partial_filename),
+             'to_buildid':to_buildid,
+             'from_buildid':from_buildid,
+             'to_sha1sum':to_shasum,
+             'from_sha1sum':from_shasum,
+             'partial_sha1sum':partial_shasum,
+             'to_size':to_size,
+             'from_size':from_size,
+             'partial_size':partial_size,
+             'to_version':to_decoded['version'],
+             'from_version':from_decoded['version'],
+             'locale':from_decoded['locale'],
+             'platform':from_decoded['platform'],
+            })
+            print "done with patch %s/%s time (%.2fs/%.2fs/%.2fs) (mar/patch/total)" % (str(patch_num),str(len(patches)),mar_extract_time-startTime,time.time()-mar_extract_time,time.time()-startTime)
+            patch_num += 1
+        return metadata
+    finally:
+        # If we fail or get a ctrl-c during run be sure to clean up temp dir
+        if (work_dir_root and os.path.exists(work_dir_root)):
+            shutil.rmtree(work_dir_root)
+
+def main(argv):
+    patchlist_file = None
+    try:
+         opts, args = getopt.getopt(argv, "hf:", ["help", "patchlist_file="])
+         for opt, arg in opts:
+            if opt in ("-h", "--help"):
+                usage()
+                sys.exit()
+            elif opt in ("-f", "--patchlist_file"):
+                patchlist_file = arg
+    except getopt.GetoptError:
+          usage()
+          sys.exit(2)
+
+    if not patchlist_file:
+        usage()
+        sys.exit(2)
+
+    patches = []
+    f = open(patchlist_file, 'r')
+    for line in f.readlines():
+        patches.append(line)
+    f.close()
+    create_partial_patches(patches)
+
+if __name__ == "__main__":
+    main(sys.argv[1:])
+