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71 lines
1.9 KiB
71 lines
1.9 KiB
4 months ago
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#!/bin/python
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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# This program generates the copy commands you should use to update
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# the reference data for tests <build-dir>/tests/runtest* that emit an
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# output that is compared against a reference output.
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#
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# It takes in argument the diff result emitted by
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# <build-dir>/tests/runtest*, and emits on standard output a series of
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# 'cp <src> <dest>' commands to execute to update reference data of
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# the test.
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import fileinput
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import re
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import sys
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import getopt
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def display_usage():
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sys.stderr.write("usage: prog-name [options] <file-name|-->\n");
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sys.stderr.write(" options:\n");
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sys.stderr.write(" -h display this help\n");
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sys.stderr.write(" argument:\n");
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sys.stderr.write(" <file-name> the file to read from\n");
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sys.stderr.write(" if no argument, then reads from stdin\n");
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sys.exit(2)
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def main():
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input_file = None
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try:
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opts, args = getopt.getopt(sys.argv[1:], "hi", ["help"])
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except getopt.GetoptError as err:
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print(str(err))
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display_usage()
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for opt, arg in opts:
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if opt in ("-h", "--help"):
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display_usage()
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else:
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# unknown option.
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display_usage()
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if input_file == None and len(args) and args[0] != None:
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input_file = open(args[0], 'r')
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elif input_file == None:
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input_file = sys.stdin
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if input_file != None:
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process(input_file)
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else:
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display_usage()
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def process(input_file):
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source = ""
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dest = ""
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for line in input_file:
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m = re.match(r'^--- (.*?)\t', line)
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if m:
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dest = m.group(1)
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else:
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m = re.match(r'^\+\+\+ (.*?)\t', line)
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if m:
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source = m.group(1)
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sys.stdout.write("cp " + source + " " + dest + "\n");
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if __name__ == "__main__":
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main()
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