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@@ -1,59 +1,71 b'' | |||||
1 | #!/usr/bin/env python |
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1 | #!/usr/bin/env python | |
2 | """Test the running system for features availability. Exit with zero |
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2 | """Test the running system for features availability. Exit with zero | |
3 | if all features are there, non-zero otherwise. |
|
3 | if all features are there, non-zero otherwise. | |
4 | """ |
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4 | """ | |
5 | import optparse |
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5 | import optparse | |
6 | import os |
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6 | import os | |
7 | import sys |
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7 | import sys | |
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8 | import tempfile | |||
8 |
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9 | |||
9 | def has_symlink(): |
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10 | def has_symlink(): | |
10 | return hasattr(os, "symlink") |
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11 | return hasattr(os, "symlink") | |
11 |
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12 | |||
12 | def has_fifo(): |
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13 | def has_fifo(): | |
13 | return hasattr(os, "mkfifo") |
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14 | return hasattr(os, "mkfifo") | |
14 |
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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 | ||||
15 | checks = { |
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26 | checks = { | |
16 | "symlink": (has_symlink, "symbolic links"), |
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27 | "symlink": (has_symlink, "symbolic links"), | |
17 | "fifo": (has_fifo, "named pipes"), |
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28 | "fifo": (has_fifo, "named pipes"), | |
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29 | "execbit": (has_executablebit, "executable bit"), | |||
18 | } |
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30 | } | |
19 |
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31 | |||
20 | def list_features(): |
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32 | def list_features(): | |
21 | for name, feature in checks.iteritems(): |
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33 | for name, feature in checks.iteritems(): | |
22 | desc = feature[1] |
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34 | desc = feature[1] | |
23 | print name + ':', desc |
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35 | print name + ':', desc | |
24 |
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36 | |||
25 | parser = optparse.OptionParser("%prog [options] [features]") |
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37 | parser = optparse.OptionParser("%prog [options] [features]") | |
26 | parser.add_option("--list-features", action="store_true", |
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38 | parser.add_option("--list-features", action="store_true", | |
27 | help="list available features") |
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39 | help="list available features") | |
28 | parser.add_option("-q", "--quiet", action="store_true", |
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40 | parser.add_option("-q", "--quiet", action="store_true", | |
29 | help="check features silently") |
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41 | help="check features silently") | |
30 |
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42 | |||
31 | if __name__ == '__main__': |
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43 | if __name__ == '__main__': | |
32 | options, args = parser.parse_args() |
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44 | options, args = parser.parse_args() | |
33 | if options.list_features: |
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45 | if options.list_features: | |
34 | list_features() |
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46 | list_features() | |
35 | sys.exit(0) |
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47 | sys.exit(0) | |
36 |
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48 | |||
37 | quiet = options.quiet |
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49 | quiet = options.quiet | |
38 |
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50 | |||
39 | failures = 0 |
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51 | failures = 0 | |
40 |
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52 | |||
41 | def error(msg): |
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53 | def error(msg): | |
42 | global failures |
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54 | global failures | |
43 | if not quiet: |
|
55 | if not quiet: | |
44 | sys.stderr.write(msg + '\n') |
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56 | sys.stderr.write(msg + '\n') | |
45 | failures += 1 |
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57 | failures += 1 | |
46 |
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58 | |||
47 | for feature in args: |
|
59 | for feature in args: | |
48 | if feature not in checks: |
|
60 | if feature not in checks: | |
49 | error('hghave: unknown feature: ' + feature) |
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61 | error('hghave: unknown feature: ' + feature) | |
50 | continue |
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62 | continue | |
51 |
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63 | |||
52 | check, desc = checks[feature] |
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64 | check, desc = checks[feature] | |
53 | if not check(): |
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65 | if not check(): | |
54 | error('hghave: missing feature: ' + desc) |
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66 | error('hghave: missing feature: ' + desc) | |
55 |
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67 | |||
56 | if failures != 0: |
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68 | if failures != 0: | |
57 | sys.exit(1) |
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69 | sys.exit(1) | |
58 |
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70 | |||
59 |
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71 |
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