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@@ -1,333 +1,339 b'' | |||
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1 | 1 | import os, stat |
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2 | 2 | import re |
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3 | 3 | import sys |
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4 | 4 | import tempfile |
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5 | 5 | |
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6 | 6 | tempprefix = 'hg-hghave-' |
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7 | 7 | |
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8 | checks = { | |
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9 | "true": (lambda: True, "yak shaving"), | |
|
10 | "false": (lambda: False, "nail clipper"), | |
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11 | } | |
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12 | ||
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13 | def check(name, desc): | |
|
14 | def decorator(func): | |
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15 | checks[name] = (func, desc) | |
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16 | return func | |
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17 | return decorator | |
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18 | ||
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8 | 19 | def matchoutput(cmd, regexp, ignorestatus=False): |
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9 | 20 | """Return True if cmd executes successfully and its output |
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10 | 21 | is matched by the supplied regular expression. |
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11 | 22 | """ |
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12 | 23 | r = re.compile(regexp) |
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13 | 24 | fh = os.popen(cmd) |
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14 | 25 | s = fh.read() |
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15 | 26 | try: |
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16 | 27 | ret = fh.close() |
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17 | 28 | except IOError: |
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18 | 29 | # Happen in Windows test environment |
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19 | 30 | ret = 1 |
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20 | 31 | return (ignorestatus or ret is None) and r.search(s) |
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21 | 32 | |
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33 | @check("baz", "GNU Arch baz client") | |
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22 | 34 | def has_baz(): |
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23 | 35 | return matchoutput('baz --version 2>&1', r'baz Bazaar version') |
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24 | 36 | |
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37 | @check("bzr", "Canonical's Bazaar client") | |
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25 | 38 | def has_bzr(): |
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26 | 39 | try: |
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27 | 40 | import bzrlib |
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28 | 41 | return bzrlib.__doc__ is not None |
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29 | 42 | except ImportError: |
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30 | 43 | return False |
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31 | 44 | |
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45 | @check("bzr114", "Canonical's Bazaar client >= 1.14") | |
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32 | 46 | def has_bzr114(): |
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33 | 47 | try: |
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34 | 48 | import bzrlib |
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35 | 49 | return (bzrlib.__doc__ is not None |
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36 | 50 | and bzrlib.version_info[:2] >= (1, 14)) |
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37 | 51 | except ImportError: |
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38 | 52 | return False |
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39 | 53 | |
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54 | @check("cvs", "cvs client/server") | |
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40 | 55 | def has_cvs(): |
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41 | 56 | re = r'Concurrent Versions System.*?server' |
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42 | 57 | return matchoutput('cvs --version 2>&1', re) and not has_msys() |
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43 | 58 | |
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59 | @check("cvs112", "cvs client/server >= 1.12") | |
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44 | 60 | def has_cvs112(): |
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45 | 61 | re = r'Concurrent Versions System \(CVS\) 1.12.*?server' |
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46 | 62 | return matchoutput('cvs --version 2>&1', re) and not has_msys() |
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47 | 63 | |
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64 | @check("darcs", "darcs client") | |
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48 | 65 | def has_darcs(): |
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49 | 66 | return matchoutput('darcs --version', r'2\.[2-9]', True) |
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50 | 67 | |
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68 | @check("mtn", "monotone client (>= 1.0)") | |
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51 | 69 | def has_mtn(): |
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52 | 70 | return matchoutput('mtn --version', r'monotone', True) and not matchoutput( |
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53 | 71 | 'mtn --version', r'monotone 0\.', True) |
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54 | 72 | |
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73 | @check("eol-in-paths", "end-of-lines in paths") | |
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55 | 74 | def has_eol_in_paths(): |
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56 | 75 | try: |
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57 | 76 | fd, path = tempfile.mkstemp(dir='.', prefix=tempprefix, suffix='\n\r') |
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58 | 77 | os.close(fd) |
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59 | 78 | os.remove(path) |
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60 | 79 | return True |
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61 | 80 | except (IOError, OSError): |
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62 | 81 | return False |
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63 | 82 | |
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83 | @check("execbit", "executable bit") | |
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64 | 84 | def has_executablebit(): |
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65 | 85 | try: |
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66 | 86 | EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH |
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67 | 87 | fh, fn = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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68 | 88 | try: |
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69 | 89 | os.close(fh) |
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70 | 90 | m = os.stat(fn).st_mode & 0777 |
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71 | 91 | new_file_has_exec = m & EXECFLAGS |
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72 | 92 | os.chmod(fn, m ^ EXECFLAGS) |
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73 | 93 | exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m) |
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74 | 94 | finally: |
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75 | 95 | os.unlink(fn) |
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76 | 96 | except (IOError, OSError): |
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77 | 97 | # we don't care, the user probably won't be able to commit anyway |
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78 | 98 | return False |
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79 | 99 | return not (new_file_has_exec or exec_flags_cannot_flip) |
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80 | 100 | |
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101 | @check("icasefs", "case insensitive file system") | |
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81 | 102 | def has_icasefs(): |
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82 | 103 | # Stolen from mercurial.util |
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83 | 104 | fd, path = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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84 | 105 | os.close(fd) |
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85 | 106 | try: |
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86 | 107 | s1 = os.stat(path) |
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87 | 108 | d, b = os.path.split(path) |
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88 | 109 | p2 = os.path.join(d, b.upper()) |
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89 | 110 | if path == p2: |
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90 | 111 | p2 = os.path.join(d, b.lower()) |
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91 | 112 | try: |
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92 | 113 | s2 = os.stat(p2) |
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93 | 114 | return s2 == s1 |
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94 | 115 | except OSError: |
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95 | 116 | return False |
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96 | 117 | finally: |
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97 | 118 | os.remove(path) |
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98 | 119 | |
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120 | @check("fifo", "named pipes") | |
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99 | 121 | def has_fifo(): |
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100 | 122 | if getattr(os, "mkfifo", None) is None: |
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101 | 123 | return False |
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102 | 124 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
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103 | 125 | try: |
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104 | 126 | os.mkfifo(name) |
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105 | 127 | os.unlink(name) |
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106 | 128 | return True |
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107 | 129 | except OSError: |
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108 | 130 | return False |
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109 | 131 | |
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132 | @check("killdaemons", 'killdaemons.py support') | |
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110 | 133 | def has_killdaemons(): |
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111 | 134 | return True |
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112 | 135 | |
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136 | @check("cacheable", "cacheable filesystem") | |
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113 | 137 | def has_cacheable_fs(): |
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114 | 138 | from mercurial import util |
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115 | 139 | |
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116 | 140 | fd, path = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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117 | 141 | os.close(fd) |
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118 | 142 | try: |
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119 | 143 | return util.cachestat(path).cacheable() |
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120 | 144 | finally: |
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121 | 145 | os.remove(path) |
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122 | 146 | |
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147 | @check("lsprof", "python lsprof module") | |
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123 | 148 | def has_lsprof(): |
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124 | 149 | try: |
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125 | 150 | import _lsprof |
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126 | 151 | return True |
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127 | 152 | except ImportError: |
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128 | 153 | return False |
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129 | 154 | |
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155 | @check("gettext", "GNU Gettext (msgfmt)") | |
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130 | 156 | def has_gettext(): |
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131 | 157 | return matchoutput('msgfmt --version', 'GNU gettext-tools') |
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132 | 158 | |
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159 | @check("git", "git command line client") | |
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133 | 160 | def has_git(): |
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134 | 161 | return matchoutput('git --version 2>&1', r'^git version') |
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135 | 162 | |
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163 | @check("docutils", "Docutils text processing library") | |
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136 | 164 | def has_docutils(): |
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137 | 165 | try: |
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138 | 166 | from docutils.core import publish_cmdline |
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139 | 167 | return True |
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140 | 168 | except ImportError: |
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141 | 169 | return False |
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142 | 170 | |
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143 | 171 | def getsvnversion(): |
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144 | 172 | m = matchoutput('svn --version --quiet 2>&1', r'^(\d+)\.(\d+)') |
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145 | 173 | if not m: |
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146 | 174 | return (0, 0) |
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147 | 175 | return (int(m.group(1)), int(m.group(2))) |
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148 | 176 | |
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177 | @check("svn15", "subversion client and admin tools >= 1.5") | |
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149 | 178 | def has_svn15(): |
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150 | 179 | return getsvnversion() >= (1, 5) |
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151 | 180 | |
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181 | @check("svn13", "subversion client and admin tools >= 1.3") | |
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152 | 182 | def has_svn13(): |
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153 | 183 | return getsvnversion() >= (1, 3) |
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154 | 184 | |
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185 | @check("svn", "subversion client and admin tools") | |
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155 | 186 | def has_svn(): |
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156 | 187 | return matchoutput('svn --version 2>&1', r'^svn, version') and \ |
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157 | 188 | matchoutput('svnadmin --version 2>&1', r'^svnadmin, version') |
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158 | 189 | |
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190 | @check("svn-bindings", "subversion python bindings") | |
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159 | 191 | def has_svn_bindings(): |
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160 | 192 | try: |
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161 | 193 | import svn.core |
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162 | 194 | version = svn.core.SVN_VER_MAJOR, svn.core.SVN_VER_MINOR |
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163 | 195 | if version < (1, 4): |
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164 | 196 | return False |
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165 | 197 | return True |
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166 | 198 | except ImportError: |
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167 | 199 | return False |
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168 | 200 | |
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201 | @check("p4", "Perforce server and client") | |
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169 | 202 | def has_p4(): |
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170 | 203 | return (matchoutput('p4 -V', r'Rev\. P4/') and |
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171 | 204 | matchoutput('p4d -V', r'Rev\. P4D/')) |
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172 | 205 | |
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206 | @check("symlink", "symbolic links") | |
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173 | 207 | def has_symlink(): |
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174 | 208 | if getattr(os, "symlink", None) is None: |
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175 | 209 | return False |
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176 | 210 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
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177 | 211 | try: |
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178 | 212 | os.symlink(".", name) |
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179 | 213 | os.unlink(name) |
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180 | 214 | return True |
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181 | 215 | except (OSError, AttributeError): |
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182 | 216 | return False |
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183 | 217 | |
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218 | @check("hardlink", "hardlinks") | |
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184 | 219 | def has_hardlink(): |
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185 | 220 | from mercurial import util |
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186 | 221 | fh, fn = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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187 | 222 | os.close(fh) |
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188 | 223 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
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189 | 224 | try: |
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190 | 225 | try: |
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191 | 226 | util.oslink(fn, name) |
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192 | 227 | os.unlink(name) |
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193 | 228 | return True |
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194 | 229 | except OSError: |
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195 | 230 | return False |
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196 | 231 | finally: |
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197 | 232 | os.unlink(fn) |
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198 | 233 | |
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234 | @check("tla", "GNU Arch tla client") | |
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199 | 235 | def has_tla(): |
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200 | 236 | return matchoutput('tla --version 2>&1', r'The GNU Arch Revision') |
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201 | 237 | |
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238 | @check("gpg", "gpg client") | |
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202 | 239 | def has_gpg(): |
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203 | 240 | return matchoutput('gpg --version 2>&1', r'GnuPG') |
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204 | 241 | |
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242 | @check("unix-permissions", "unix-style permissions") | |
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205 | 243 | def has_unix_permissions(): |
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206 | 244 | d = tempfile.mkdtemp(dir='.', prefix=tempprefix) |
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207 | 245 | try: |
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208 | 246 | fname = os.path.join(d, 'foo') |
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209 | 247 | for umask in (077, 007, 022): |
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210 | 248 | os.umask(umask) |
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211 | 249 | f = open(fname, 'w') |
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212 | 250 | f.close() |
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213 | 251 | mode = os.stat(fname).st_mode |
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214 | 252 | os.unlink(fname) |
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215 | 253 | if mode & 0777 != ~umask & 0666: |
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216 | 254 | return False |
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217 | 255 | return True |
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218 | 256 | finally: |
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219 | 257 | os.rmdir(d) |
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220 | 258 | |
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259 | @check("root", "root permissions") | |
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221 | 260 | def has_root(): |
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222 | 261 | return getattr(os, 'geteuid', None) and os.geteuid() == 0 |
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223 | 262 | |
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263 | @check("pyflakes", "Pyflakes python linter") | |
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224 | 264 | def has_pyflakes(): |
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225 | 265 | return matchoutput("sh -c \"echo 'import re' 2>&1 | pyflakes\"", |
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226 | 266 | r"<stdin>:1: 're' imported but unused", |
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227 | 267 | True) |
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228 | 268 | |
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269 | @check("pygments", "Pygments source highlighting library") | |
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229 | 270 | def has_pygments(): |
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230 | 271 | try: |
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231 | 272 | import pygments |
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232 | 273 | return True |
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233 | 274 | except ImportError: |
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234 | 275 | return False |
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235 | 276 | |
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277 | @check("python243", "python >= 2.4.3") | |
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236 | 278 | def has_python243(): |
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237 | 279 | return sys.version_info >= (2, 4, 3) |
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238 | 280 | |
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281 | @check("outer-repo", "outer repo") | |
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239 | 282 | def has_outer_repo(): |
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240 | 283 | # failing for other reasons than 'no repo' imply that there is a repo |
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241 | 284 | return not matchoutput('hg root 2>&1', |
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242 | 285 | r'abort: no repository found', True) |
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243 | 286 | |
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287 | @check("ssl", "python >= 2.6 ssl module and python OpenSSL") | |
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244 | 288 | def has_ssl(): |
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245 | 289 | try: |
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246 | 290 | import ssl |
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247 | 291 | import OpenSSL |
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248 | 292 | OpenSSL.SSL.Context |
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249 | 293 | return True |
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250 | 294 | except ImportError: |
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251 | 295 | return False |
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252 | 296 | |
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297 | @check("windows", "Windows") | |
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253 | 298 | def has_windows(): |
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254 | 299 | return os.name == 'nt' |
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255 | 300 | |
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301 | @check("system-sh", "system() uses sh") | |
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256 | 302 | def has_system_sh(): |
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257 | 303 | return os.name != 'nt' |
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258 | 304 | |
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305 | @check("serve", "platform and python can manage 'hg serve -d'") | |
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259 | 306 | def has_serve(): |
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260 | 307 | return os.name != 'nt' # gross approximation |
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261 | 308 | |
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309 | @check("test-repo", "running tests from repository") | |
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262 | 310 | def has_test_repo(): |
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263 | 311 | t = os.environ["TESTDIR"] |
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264 | 312 | return os.path.isdir(os.path.join(t, "..", ".hg")) |
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265 | 313 | |
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314 | @check("tic", "terminfo compiler and curses module") | |
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266 | 315 | def has_tic(): |
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267 | 316 | try: |
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268 | 317 | import curses |
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269 | 318 | curses.COLOR_BLUE |
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270 | 319 | return matchoutput('test -x "`which tic`"', '') |
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271 | 320 | except ImportError: |
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272 | 321 | return False |
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273 | 322 | |
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323 | @check("msys", "Windows with MSYS") | |
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274 | 324 | def has_msys(): |
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275 | 325 | return os.getenv('MSYSTEM') |
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276 | 326 | |
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327 | @check("aix", "AIX") | |
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277 | 328 | def has_aix(): |
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278 | 329 | return sys.platform.startswith("aix") |
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279 | 330 | |
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331 | @check("absimport", "absolute_import in __future__") | |
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280 | 332 | def has_absimport(): |
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281 | 333 | import __future__ |
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282 | 334 | from mercurial import util |
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283 | 335 | return util.safehasattr(__future__, "absolute_import") |
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284 | 336 | |
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337 | @check("py3k", "running with Python 3.x") | |
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285 | 338 | def has_py3k(): |
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286 | 339 | return 3 == sys.version_info[0] |
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287 | ||
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288 | checks = { | |
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289 | "true": (lambda: True, "yak shaving"), | |
|
290 | "false": (lambda: False, "nail clipper"), | |
|
291 | "baz": (has_baz, "GNU Arch baz client"), | |
|
292 | "bzr": (has_bzr, "Canonical's Bazaar client"), | |
|
293 | "bzr114": (has_bzr114, "Canonical's Bazaar client >= 1.14"), | |
|
294 | "cacheable": (has_cacheable_fs, "cacheable filesystem"), | |
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295 | "cvs": (has_cvs, "cvs client/server"), | |
|
296 | "cvs112": (has_cvs112, "cvs client/server >= 1.12"), | |
|
297 | "darcs": (has_darcs, "darcs client"), | |
|
298 | "docutils": (has_docutils, "Docutils text processing library"), | |
|
299 | "eol-in-paths": (has_eol_in_paths, "end-of-lines in paths"), | |
|
300 | "execbit": (has_executablebit, "executable bit"), | |
|
301 | "fifo": (has_fifo, "named pipes"), | |
|
302 | "gettext": (has_gettext, "GNU Gettext (msgfmt)"), | |
|
303 | "git": (has_git, "git command line client"), | |
|
304 | "gpg": (has_gpg, "gpg client"), | |
|
305 | "hardlink": (has_hardlink, "hardlinks"), | |
|
306 | "icasefs": (has_icasefs, "case insensitive file system"), | |
|
307 | "killdaemons": (has_killdaemons, 'killdaemons.py support'), | |
|
308 | "lsprof": (has_lsprof, "python lsprof module"), | |
|
309 | "mtn": (has_mtn, "monotone client (>= 1.0)"), | |
|
310 | "outer-repo": (has_outer_repo, "outer repo"), | |
|
311 | "p4": (has_p4, "Perforce server and client"), | |
|
312 | "pyflakes": (has_pyflakes, "Pyflakes python linter"), | |
|
313 | "pygments": (has_pygments, "Pygments source highlighting library"), | |
|
314 | "python243": (has_python243, "python >= 2.4.3"), | |
|
315 | "root": (has_root, "root permissions"), | |
|
316 | "serve": (has_serve, "platform and python can manage 'hg serve -d'"), | |
|
317 | "ssl": (has_ssl, "python >= 2.6 ssl module and python OpenSSL"), | |
|
318 | "svn": (has_svn, "subversion client and admin tools"), | |
|
319 | "svn13": (has_svn13, "subversion client and admin tools >= 1.3"), | |
|
320 | "svn15": (has_svn15, "subversion client and admin tools >= 1.5"), | |
|
321 | "svn-bindings": (has_svn_bindings, "subversion python bindings"), | |
|
322 | "symlink": (has_symlink, "symbolic links"), | |
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323 | "system-sh": (has_system_sh, "system() uses sh"), | |
|
324 | "test-repo": (has_test_repo, "running tests from repository"), | |
|
325 | "tic": (has_tic, "terminfo compiler and curses module"), | |
|
326 | "tla": (has_tla, "GNU Arch tla client"), | |
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327 | "unix-permissions": (has_unix_permissions, "unix-style permissions"), | |
|
328 | "windows": (has_windows, "Windows"), | |
|
329 | "msys": (has_msys, "Windows with MSYS"), | |
|
330 | "aix": (has_aix, "AIX"), | |
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331 | "absimport": (has_absimport, "absolute_import in __future__"), | |
|
332 | "py3k": (has_py3k, "running with Python 3.x"), | |
|
333 | } |
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