77 lines
3.2 KiB
Python
77 lines
3.2 KiB
Python
#!/usr/bin/python
|
|
import sys, os, math, linecache, re
|
|
|
|
# change numerator and denominator variables progressively to perform a proper bissection search manually
|
|
numerator = 1
|
|
denominator = 2
|
|
|
|
defconfig_file_name = "defconfig_clean"
|
|
|
|
def usage():
|
|
print("""Usage: bissect_conf [<input_comparison_file> <config_in>]
|
|
|
|
Will output a defconfig file with the changes detected from the comparison_file to the config_in file
|
|
Example usage:
|
|
$ bissect_conf comparison_file defconfig_not_working
|
|
""")
|
|
sys.exit(0)
|
|
|
|
def main():
|
|
global merge_style
|
|
outup_f = open("defconfig", "w")
|
|
|
|
|
|
# parse command line args
|
|
if ("-h" in sys.argv or "--help" in sys.argv):
|
|
usage()
|
|
|
|
compare_file = open("compare.defconfig")
|
|
compare_file_data = compare_file.readlines()
|
|
compare_file_num = len(compare_file_data)
|
|
|
|
defconfig_file = open(defconfig_file_name)
|
|
defconfig_data = defconfig_file.readlines()
|
|
|
|
# split into number of chunks equal to denominator
|
|
denomi_lines = math.ceil(compare_file_num/denominator)
|
|
|
|
for i in range(denomi_lines*(numerator-1), denomi_lines*(numerator)): # first line is at 1
|
|
compare_file_line = compare_file_data[i]
|
|
|
|
##############################################################################################################
|
|
# the comparison file describes a change which starts with a "-"
|
|
if compare_file_line.startswith("-"):
|
|
compare_file_line = compare_file_line[1:]
|
|
current_config_name = "CONFIG_" + compare_file_line.split(" ")[0]
|
|
|
|
# cycle through entire defconfig file and search for config_name
|
|
for j in range(0, len(defconfig_data)):
|
|
if current_config_name+" " in defconfig_data[j] or current_config_name+"=" in defconfig_data[j]:
|
|
defconfig_data[j] = current_config_name+"="+compare_file_line.split(" ")[1]
|
|
|
|
if j == len(defconfig_data) - 1:
|
|
defconfig_data.append(current_config_name+"="+compare_file_line.split(" ")[1])
|
|
|
|
##############################################################################################################
|
|
# the comparison file describes a change which starts with a "+"
|
|
elif compare_file_line.startswith("+"):
|
|
compare_file_line = compare_file_line[1:]
|
|
current_config_name = "CONFIG_" + compare_file_line.split(" ")[0]
|
|
#current_config_name = current_config_name.strip()
|
|
|
|
# cycle through entire defconfig file and search for config_name
|
|
for j in range(0, len(defconfig_data)):
|
|
if current_config_name in defconfig_data[j]:
|
|
defconfig_data[j] = ""
|
|
|
|
##############################################################################################################
|
|
else:
|
|
current_config_name = "CONFIG_" + compare_file_line.split(" ")[1]
|
|
print(compare_file_line)
|
|
for j in range(0, len(defconfig_data)):
|
|
if current_config_name+" " in defconfig_data[j] or current_config_name+"=" in defconfig_data[j]:
|
|
defconfig_data[j] = current_config_name+"="+compare_file_line.split(" ")[2]+"\n"
|
|
|
|
outup_f.writelines(defconfig_data)
|
|
|
|
main() |