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# simple script to be used in hooks
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#
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# put something like this in the repo .hg/hgrc:
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#
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# [hooks]
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# changegroup = python "$TESTDIR/printenv.py" <hookname> [exit] [output]
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#
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# - <hookname> is a mandatory argument (e.g. "changegroup")
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# - [exit] is the exit code of the hook (default: 0)
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# - [output] is the name of the output file (default: use sys.stdout)
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# the file will be opened in append mode.
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#
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import os
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import sys
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try:
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import msvcrt
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msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
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msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
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msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY)
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except ImportError:
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pass
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exitcode = 0
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out = sys.stdout
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name = sys.argv[1]
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if len(sys.argv) > 2:
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exitcode = int(sys.argv[2])
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if len(sys.argv) > 3:
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out = open(sys.argv[3], "ab")
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# variables with empty values may not exist on all platforms, filter
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# them now for portability sake.
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env = [(k, v) for k, v in os.environ.iteritems()
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if k.startswith("HG_") and v]
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env.sort()
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out.write("%s hook: " % name)
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if os.name == 'nt':
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filter = lambda x: x.replace('\\', '/')
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else:
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filter = lambda x: x
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vars = ["%s=%s" % (k, filter(v)) for k, v in env]
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out.write(" ".join(vars))
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out.write("\n")
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out.close()
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sys.exit(exitcode)
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