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-rwxr-xr-xscripts/diffconfig33
1 files changed, 18 insertions, 15 deletions
diff --git a/scripts/diffconfig b/scripts/diffconfig
index b91f3e34d44d..6d672836e187 100755
--- a/scripts/diffconfig
+++ b/scripts/diffconfig
@@ -10,7 +10,7 @@
10import sys, os 10import sys, os
11 11
12def usage(): 12def usage():
13 print """Usage: diffconfig [-h] [-m] [<config1> <config2>] 13 print("""Usage: diffconfig [-h] [-m] [<config1> <config2>]
14 14
15Diffconfig is a simple utility for comparing two .config files. 15Diffconfig is a simple utility for comparing two .config files.
16Using standard diff to compare .config files often includes extraneous and 16Using standard diff to compare .config files often includes extraneous and
@@ -33,7 +33,7 @@ Example usage:
33 EXT2_FS y -> n 33 EXT2_FS y -> n
34 LOG_BUF_SHIFT 14 -> 16 34 LOG_BUF_SHIFT 14 -> 16
35 PRINTK_TIME n -> y 35 PRINTK_TIME n -> y
36""" 36""")
37 sys.exit(0) 37 sys.exit(0)
38 38
39# returns a dictionary of name/value pairs for config items in the file 39# returns a dictionary of name/value pairs for config items in the file
@@ -54,23 +54,23 @@ def print_config(op, config, value, new_value):
54 if merge_style: 54 if merge_style:
55 if new_value: 55 if new_value:
56 if new_value=="n": 56 if new_value=="n":
57 print "# CONFIG_%s is not set" % config 57 print("# CONFIG_%s is not set" % config)
58 else: 58 else:
59 print "CONFIG_%s=%s" % (config, new_value) 59 print("CONFIG_%s=%s" % (config, new_value))
60 else: 60 else:
61 if op=="-": 61 if op=="-":
62 print "-%s %s" % (config, value) 62 print("-%s %s" % (config, value))
63 elif op=="+": 63 elif op=="+":
64 print "+%s %s" % (config, new_value) 64 print("+%s %s" % (config, new_value))
65 else: 65 else:
66 print " %s %s -> %s" % (config, value, new_value) 66 print(" %s %s -> %s" % (config, value, new_value))
67 67
68def main(): 68def main():
69 global merge_style 69 global merge_style
70 70
71 # parse command line args 71 # parse command line args
72 if ("-h" in sys.argv or "--help" in sys.argv): 72 if ("-h" in sys.argv or "--help" in sys.argv):
73 usage() 73 usage()
74 74
75 merge_style = 0 75 merge_style = 0
76 if "-m" in sys.argv: 76 if "-m" in sys.argv:
@@ -79,23 +79,27 @@ def main():
79 79
80 argc = len(sys.argv) 80 argc = len(sys.argv)
81 if not (argc==1 or argc == 3): 81 if not (argc==1 or argc == 3):
82 print "Error: incorrect number of arguments or unrecognized option" 82 print("Error: incorrect number of arguments or unrecognized option")
83 usage() 83 usage()
84 84
85 if argc == 1: 85 if argc == 1:
86 # if no filenames given, assume .config and .config.old 86 # if no filenames given, assume .config and .config.old
87 build_dir="" 87 build_dir=""
88 if os.environ.has_key("KBUILD_OUTPUT"): 88 if "KBUILD_OUTPUT" in os.environ:
89 build_dir = os.environ["KBUILD_OUTPUT"]+"/" 89 build_dir = os.environ["KBUILD_OUTPUT"]+"/"
90
91 configa_filename = build_dir + ".config.old" 90 configa_filename = build_dir + ".config.old"
92 configb_filename = build_dir + ".config" 91 configb_filename = build_dir + ".config"
93 else: 92 else:
94 configa_filename = sys.argv[1] 93 configa_filename = sys.argv[1]
95 configb_filename = sys.argv[2] 94 configb_filename = sys.argv[2]
96 95
97 a = readconfig(file(configa_filename)) 96 try:
98 b = readconfig(file(configb_filename)) 97 a = readconfig(open(configa_filename))
98 b = readconfig(open(configb_filename))
99 except (IOError):
100 e = sys.exc_info()[1]
101 print("I/O error[%s]: %s\n" % (e.args[0],e.args[1]))
102 usage()
99 103
100 # print items in a but not b (accumulate, sort and print) 104 # print items in a but not b (accumulate, sort and print)
101 old = [] 105 old = []
@@ -121,8 +125,7 @@ def main():
121 125
122 # now print items in b but not in a 126 # now print items in b but not in a
123 # (items from b that were in a were removed above) 127 # (items from b that were in a were removed above)
124 new = b.keys() 128 new = sorted(b.keys())
125 new.sort()
126 for config in new: 129 for config in new:
127 print_config("+", config, None, b[config]) 130 print_config("+", config, None, b[config])
128 131