Mercurial > hg
annotate tests/hghave @ 5072:7e2385a31933
hghave: detect executable permission availability.
author | Patrick Mezard <pmezard@gmail.com> |
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date | Mon, 06 Aug 2007 10:26:04 +0200 |
parents | 4cf6f8dbd1b4 |
children | e86788af599a |
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Add hghave utility and run-tests.py support.
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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 |