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annotate tests/hghave @ 5089:4cd52978e188

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test-git-import: fake executable permissions.
author Patrick Mezard <pmezard@gmail.com>
date Mon, 06 Aug 2007 10:38:07 +0200
parents 7e2385a31933
children e86788af599a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python
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2 """Test the running system for features availability. Exit with zero
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3 if all features are there, non-zero otherwise.
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4 """
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5 import optparse
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6 import os
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7 import sys
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8 import tempfile
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9
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10 def has_symlink():
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11 return hasattr(os, "symlink")
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12
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13 def has_fifo():
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14 return hasattr(os, "mkfifo")
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15
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16 def has_executablebit():
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17 fd, path = tempfile.mkstemp()
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18 os.close(fd)
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19 try:
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20 s = os.lstat(path).st_mode
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21 os.chmod(path, s | 0100)
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22 return (os.lstat(path).st_mode & 0100 != 0)
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23 finally:
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24 os.remove(path)
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25
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26 checks = {
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27 "symlink": (has_symlink, "symbolic links"),
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28 "fifo": (has_fifo, "named pipes"),
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29 "execbit": (has_executablebit, "executable bit"),
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30 }
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31
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32 def list_features():
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33 for name, feature in checks.iteritems():
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34 desc = feature[1]
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35 print name + ':', desc
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36
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37 parser = optparse.OptionParser("%prog [options] [features]")
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38 parser.add_option("--list-features", action="store_true",
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39 help="list available features")
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40 parser.add_option("-q", "--quiet", action="store_true",
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41 help="check features silently")
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42
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43 if __name__ == '__main__':
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44 options, args = parser.parse_args()
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45 if options.list_features:
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46 list_features()
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47 sys.exit(0)
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48
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49 quiet = options.quiet
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50
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51 failures = 0
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52
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53 def error(msg):
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54 global failures
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55 if not quiet:
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56 sys.stderr.write(msg + '\n')
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57 failures += 1
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58
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59 for feature in args:
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60 if feature not in checks:
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61 error('hghave: unknown feature: ' + feature)
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62 continue
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63
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64 check, desc = checks[feature]
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65 if not check():
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66 error('hghave: missing feature: ' + desc)
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67
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68 if failures != 0:
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69 sys.exit(1)
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70
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71