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# Any copyright is dedicated to the Public Domain.
# http://creativecommons.org/publicdomain/zero/1.0/
# Creates the precomplete file containing the remove and rmdir application
# update instructions which is used to remove files and directories that are no
# longer present in a complete update. The current working directory is used for
# the location to enumerate and to create the precomplete file.
import sys
import os
def get_build_entries(root_path):
""" Iterates through the root_path, creating a list for each file and
directory. Excludes any file paths ending with channel-prefs.js.
"""
rel_file_path_set = set()
rel_dir_path_set = set()
for root, dirs, files in os.walk(root_path):
for file_name in files:
parent_dir_rel_path = root[len(root_path)+1:]
rel_path_file = os.path.join(parent_dir_rel_path, file_name)
rel_path_file = rel_path_file.replace("\\", "/")
if not (rel_path_file.endswith("channel-prefs.js") or
rel_path_file.endswith("update-settings.ini") or
rel_path_file.find("distribution/") != -1):
rel_file_path_set.add(rel_path_file)
for dir_name in dirs:
parent_dir_rel_path = root[len(root_path)+1:]
rel_path_dir = os.path.join(parent_dir_rel_path, dir_name)
rel_path_dir = rel_path_dir.replace("\\", "/")+"/"
if rel_path_dir.find("distribution/") == -1:
rel_dir_path_set.add(rel_path_dir)
rel_file_path_list = list(rel_file_path_set)
rel_file_path_list.sort(reverse=True)
rel_dir_path_list = list(rel_dir_path_set)
rel_dir_path_list.sort(reverse=True)
return rel_file_path_list, rel_dir_path_list
def generate_precomplete(root_path):
""" Creates the precomplete file containing the remove and rmdir
application update instructions. The given directory is used
for the location to enumerate and to create the precomplete file.
"""
rel_path_precomplete = "precomplete"
# If inside a Mac bundle use the root of the bundle for the path.
if os.path.basename(root_path) == "Resources":
root_path = os.path.abspath(os.path.join(root_path, '../../'))
rel_path_precomplete = "Contents/Resources/precomplete"
precomplete_file_path = os.path.join(root_path,rel_path_precomplete)
# Open the file so it exists before building the list of files and open it
# in binary mode to prevent OS specific line endings.
precomplete_file = open(precomplete_file_path, "wb")
rel_file_path_list, rel_dir_path_list = get_build_entries(root_path)
for rel_file_path in rel_file_path_list:
precomplete_file.writelines("remove \""+rel_file_path+"\"\n")
for rel_dir_path in rel_dir_path_list:
precomplete_file.writelines("rmdir \""+rel_dir_path+"\"\n")
precomplete_file.close()
if __name__ == "__main__":
generate_precomplete(os.getcwd())
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