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@@ -1,335 +1,340 b'' | |||
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1 | 1 | import os, stat, socket |
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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 | 8 | def matchoutput(cmd, regexp, ignorestatus=False): |
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9 | 9 | """Return True if cmd executes successfully and its output |
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10 | 10 | is matched by the supplied regular expression. |
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11 | 11 | """ |
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12 | 12 | r = re.compile(regexp) |
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13 | 13 | fh = os.popen(cmd) |
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14 | 14 | s = fh.read() |
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15 | 15 | try: |
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16 | 16 | ret = fh.close() |
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17 | 17 | except IOError: |
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18 | 18 | # Happen in Windows test environment |
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19 | 19 | ret = 1 |
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20 | 20 | return (ignorestatus or ret is None) and r.search(s) |
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21 | 21 | |
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22 | 22 | def has_baz(): |
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23 | 23 | return matchoutput('baz --version 2>&1', r'baz Bazaar version') |
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24 | 24 | |
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25 | 25 | def has_bzr(): |
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26 | 26 | try: |
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27 | 27 | import bzrlib |
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28 | 28 | return bzrlib.__doc__ is not None |
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29 | 29 | except ImportError: |
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30 | 30 | return False |
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31 | 31 | |
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32 | 32 | def has_bzr114(): |
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33 | 33 | try: |
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34 | 34 | import bzrlib |
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35 | 35 | return (bzrlib.__doc__ is not None |
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36 | 36 | and bzrlib.version_info[:2] >= (1, 14)) |
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37 | 37 | except ImportError: |
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38 | 38 | return False |
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39 | 39 | |
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40 | 40 | def has_cvs(): |
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41 | 41 | re = r'Concurrent Versions System.*?server' |
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42 | 42 | return matchoutput('cvs --version 2>&1', re) and not has_msys() |
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43 | 43 | |
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44 | 44 | def has_cvs112(): |
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45 | 45 | re = r'Concurrent Versions System \(CVS\) 1.12.*?server' |
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46 | 46 | return matchoutput('cvs --version 2>&1', re) and not has_msys() |
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47 | 47 | |
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48 | 48 | def has_darcs(): |
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49 | 49 | return matchoutput('darcs --version', r'2\.[2-9]', True) |
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50 | 50 | |
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51 | 51 | def has_mtn(): |
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52 | 52 | return matchoutput('mtn --version', r'monotone', True) and not matchoutput( |
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53 | 53 | 'mtn --version', r'monotone 0\.', True) |
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54 | 54 | |
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55 | 55 | def has_eol_in_paths(): |
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56 | 56 | try: |
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57 | 57 | fd, path = tempfile.mkstemp(dir='.', prefix=tempprefix, suffix='\n\r') |
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58 | 58 | os.close(fd) |
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59 | 59 | os.remove(path) |
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60 | 60 | return True |
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61 | 61 | except (IOError, OSError): |
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62 | 62 | return False |
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63 | 63 | |
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64 | 64 | def has_executablebit(): |
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65 | 65 | try: |
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66 | 66 | EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH |
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67 | 67 | fh, fn = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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68 | 68 | try: |
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69 | 69 | os.close(fh) |
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70 | 70 | m = os.stat(fn).st_mode & 0777 |
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71 | 71 | new_file_has_exec = m & EXECFLAGS |
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72 | 72 | os.chmod(fn, m ^ EXECFLAGS) |
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73 | 73 | exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m) |
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74 | 74 | finally: |
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75 | 75 | os.unlink(fn) |
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76 | 76 | except (IOError, OSError): |
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77 | 77 | # we don't care, the user probably won't be able to commit anyway |
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78 | 78 | return False |
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79 | 79 | return not (new_file_has_exec or exec_flags_cannot_flip) |
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80 | 80 | |
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81 | 81 | def has_icasefs(): |
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82 | 82 | # Stolen from mercurial.util |
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83 | 83 | fd, path = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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84 | 84 | os.close(fd) |
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85 | 85 | try: |
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86 | 86 | s1 = os.stat(path) |
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87 | 87 | d, b = os.path.split(path) |
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88 | 88 | p2 = os.path.join(d, b.upper()) |
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89 | 89 | if path == p2: |
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90 | 90 | p2 = os.path.join(d, b.lower()) |
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91 | 91 | try: |
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92 | 92 | s2 = os.stat(p2) |
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93 | 93 | return s2 == s1 |
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94 | 94 | except OSError: |
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95 | 95 | return False |
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96 | 96 | finally: |
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97 | 97 | os.remove(path) |
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98 | 98 | |
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99 | 99 | def has_inotify(): |
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100 | 100 | try: |
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101 | 101 | import hgext.inotify.linux.watcher |
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102 | 102 | except ImportError: |
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103 | 103 | return False |
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104 | 104 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
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105 | 105 | sock = socket.socket(socket.AF_UNIX) |
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106 | 106 | try: |
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107 | 107 | sock.bind(name) |
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108 | 108 | except socket.error: |
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109 | 109 | return False |
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110 | 110 | sock.close() |
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111 | 111 | os.unlink(name) |
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112 | 112 | return True |
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113 | 113 | |
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114 | 114 | def has_fifo(): |
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115 | 115 | if getattr(os, "mkfifo", None) is None: |
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116 | 116 | return False |
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117 | 117 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
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118 | 118 | try: |
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119 | 119 | os.mkfifo(name) |
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120 | 120 | os.unlink(name) |
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121 | 121 | return True |
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122 | 122 | except OSError: |
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123 | 123 | return False |
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124 | 124 | |
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125 | 125 | def has_killdaemons(): |
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126 | 126 | return True |
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127 | 127 | |
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128 | 128 | def has_cacheable_fs(): |
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129 | 129 | from mercurial import util |
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130 | 130 | |
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131 | 131 | fd, path = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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132 | 132 | os.close(fd) |
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133 | 133 | try: |
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134 | 134 | return util.cachestat(path).cacheable() |
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135 | 135 | finally: |
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136 | 136 | os.remove(path) |
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137 | 137 | |
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138 | 138 | def has_lsprof(): |
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139 | 139 | try: |
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140 | 140 | import _lsprof |
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141 | 141 | return True |
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142 | 142 | except ImportError: |
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143 | 143 | return False |
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144 | 144 | |
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145 | 145 | def has_gettext(): |
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146 | 146 | return matchoutput('msgfmt --version', 'GNU gettext-tools') |
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147 | 147 | |
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148 | 148 | def has_git(): |
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149 | 149 | return matchoutput('git --version 2>&1', r'^git version') |
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150 | 150 | |
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151 | 151 | def has_docutils(): |
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152 | 152 | try: |
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153 | 153 | from docutils.core import publish_cmdline |
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154 | 154 | return True |
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155 | 155 | except ImportError: |
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156 | 156 | return False |
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157 | 157 | |
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158 | 158 | def getsvnversion(): |
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159 | 159 | m = matchoutput('svn --version --quiet 2>&1', r'^(\d+)\.(\d+)') |
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160 | 160 | if not m: |
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161 | 161 | return (0, 0) |
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162 | 162 | return (int(m.group(1)), int(m.group(2))) |
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163 | 163 | |
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164 | 164 | def has_svn15(): |
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165 | 165 | return getsvnversion() >= (1, 5) |
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166 | 166 | |
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167 | 167 | def has_svn13(): |
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168 | 168 | return getsvnversion() >= (1, 3) |
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169 | 169 | |
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170 | 170 | def has_svn(): |
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171 | 171 | return matchoutput('svn --version 2>&1', r'^svn, version') and \ |
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172 | 172 | matchoutput('svnadmin --version 2>&1', r'^svnadmin, version') |
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173 | 173 | |
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174 | 174 | def has_svn_bindings(): |
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175 | 175 | try: |
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176 | 176 | import svn.core |
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177 | 177 | version = svn.core.SVN_VER_MAJOR, svn.core.SVN_VER_MINOR |
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178 | 178 | if version < (1, 4): |
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179 | 179 | return False |
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180 | 180 | return True |
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181 | 181 | except ImportError: |
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182 | 182 | return False |
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183 | 183 | |
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184 | 184 | def has_p4(): |
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185 | 185 | return (matchoutput('p4 -V', r'Rev\. P4/') and |
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186 | 186 | matchoutput('p4d -V', r'Rev\. P4D/')) |
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187 | 187 | |
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188 | 188 | def has_symlink(): |
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189 | 189 | if getattr(os, "symlink", None) is None: |
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190 | 190 | return False |
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191 | 191 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
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192 | 192 | try: |
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193 | 193 | os.symlink(".", name) |
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194 | 194 | os.unlink(name) |
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195 | 195 | return True |
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196 | 196 | except (OSError, AttributeError): |
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197 | 197 | return False |
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198 | 198 | |
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199 | 199 | def has_hardlink(): |
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200 | 200 | from mercurial import util |
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201 | 201 | fh, fn = tempfile.mkstemp(dir='.', prefix=tempprefix) |
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202 | 202 | os.close(fh) |
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203 | 203 | name = tempfile.mktemp(dir='.', prefix=tempprefix) |
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204 | 204 | try: |
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205 | 205 | try: |
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206 | 206 | util.oslink(fn, name) |
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207 | 207 | os.unlink(name) |
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208 | 208 | return True |
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209 | 209 | except OSError: |
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210 | 210 | return False |
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211 | 211 | finally: |
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212 | 212 | os.unlink(fn) |
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213 | 213 | |
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214 | 214 | def has_tla(): |
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215 | 215 | return matchoutput('tla --version 2>&1', r'The GNU Arch Revision') |
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216 | 216 | |
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217 | 217 | def has_gpg(): |
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218 | 218 | return matchoutput('gpg --version 2>&1', r'GnuPG') |
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219 | 219 | |
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220 | 220 | def has_unix_permissions(): |
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221 | 221 | d = tempfile.mkdtemp(dir='.', prefix=tempprefix) |
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222 | 222 | try: |
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223 | 223 | fname = os.path.join(d, 'foo') |
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224 | 224 | for umask in (077, 007, 022): |
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225 | 225 | os.umask(umask) |
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226 | 226 | f = open(fname, 'w') |
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227 | 227 | f.close() |
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228 | 228 | mode = os.stat(fname).st_mode |
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229 | 229 | os.unlink(fname) |
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230 | 230 | if mode & 0777 != ~umask & 0666: |
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231 | 231 | return False |
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232 | 232 | return True |
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233 | 233 | finally: |
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234 | 234 | os.rmdir(d) |
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235 | 235 | |
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236 | 236 | def has_root(): |
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237 | 237 | return getattr(os, 'geteuid', None) and os.geteuid() == 0 |
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238 | 238 | |
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239 | 239 | def has_pyflakes(): |
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240 | 240 | return matchoutput("sh -c \"echo 'import re' 2>&1 | pyflakes\"", |
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241 | 241 | r"<stdin>:1: 're' imported but unused", |
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242 | 242 | True) |
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243 | 243 | |
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244 | 244 | def has_pygments(): |
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245 | 245 | try: |
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246 | 246 | import pygments |
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247 | 247 | return True |
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248 | 248 | except ImportError: |
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249 | 249 | return False |
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250 | 250 | |
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251 | 251 | def has_outer_repo(): |
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252 | 252 | # failing for other reasons than 'no repo' imply that there is a repo |
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253 | 253 | return not matchoutput('hg root 2>&1', |
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254 | 254 | r'abort: no repository found', True) |
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255 | 255 | |
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256 | 256 | def has_ssl(): |
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257 | 257 | try: |
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258 | 258 | import ssl |
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259 | 259 | import OpenSSL |
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260 | 260 | OpenSSL.SSL.Context |
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261 | 261 | return True |
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262 | 262 | except ImportError: |
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263 | 263 | return False |
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264 | 264 | |
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265 | 265 | def has_windows(): |
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266 | 266 | return os.name == 'nt' |
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267 | 267 | |
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268 | 268 | def has_system_sh(): |
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269 | 269 | return os.name != 'nt' |
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270 | 270 | |
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271 | 271 | def has_serve(): |
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272 | 272 | return os.name != 'nt' # gross approximation |
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273 | 273 | |
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274 | 274 | def has_tic(): |
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275 | return matchoutput('test -x "`which tic`"', '') | |
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275 | try: | |
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276 | import curses | |
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277 | curses.COLOR_BLUE | |
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278 | return matchoutput('test -x "`which tic`"', '') | |
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279 | except ImportError: | |
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280 | return False | |
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276 | 281 | |
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277 | 282 | def has_msys(): |
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278 | 283 | return os.getenv('MSYSTEM') |
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279 | 284 | |
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280 | 285 | def has_aix(): |
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281 | 286 | return sys.platform.startswith("aix") |
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282 | 287 | |
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283 | 288 | def has_absimport(): |
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284 | 289 | import __future__ |
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285 | 290 | from mercurial import util |
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286 | 291 | return util.safehasattr(__future__, "absolute_import") |
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287 | 292 | |
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288 | 293 | def has_py3k(): |
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289 | 294 | return 3 == sys.version_info[0] |
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290 | 295 | |
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291 | 296 | checks = { |
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292 | 297 | "true": (lambda: True, "yak shaving"), |
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293 | 298 | "false": (lambda: False, "nail clipper"), |
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294 | 299 | "baz": (has_baz, "GNU Arch baz client"), |
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295 | 300 | "bzr": (has_bzr, "Canonical's Bazaar client"), |
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296 | 301 | "bzr114": (has_bzr114, "Canonical's Bazaar client >= 1.14"), |
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297 | 302 | "cacheable": (has_cacheable_fs, "cacheable filesystem"), |
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298 | 303 | "cvs": (has_cvs, "cvs client/server"), |
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299 | 304 | "cvs112": (has_cvs112, "cvs client/server >= 1.12"), |
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300 | 305 | "darcs": (has_darcs, "darcs client"), |
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301 | 306 | "docutils": (has_docutils, "Docutils text processing library"), |
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302 | 307 | "eol-in-paths": (has_eol_in_paths, "end-of-lines in paths"), |
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303 | 308 | "execbit": (has_executablebit, "executable bit"), |
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304 | 309 | "fifo": (has_fifo, "named pipes"), |
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305 | 310 | "gettext": (has_gettext, "GNU Gettext (msgfmt)"), |
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306 | 311 | "git": (has_git, "git command line client"), |
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307 | 312 | "gpg": (has_gpg, "gpg client"), |
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308 | 313 | "hardlink": (has_hardlink, "hardlinks"), |
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309 | 314 | "icasefs": (has_icasefs, "case insensitive file system"), |
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310 | 315 | "inotify": (has_inotify, "inotify extension support"), |
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311 | 316 | "killdaemons": (has_killdaemons, 'killdaemons.py support'), |
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312 | 317 | "lsprof": (has_lsprof, "python lsprof module"), |
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313 | 318 | "mtn": (has_mtn, "monotone client (>= 1.0)"), |
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314 | 319 | "outer-repo": (has_outer_repo, "outer repo"), |
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315 | 320 | "p4": (has_p4, "Perforce server and client"), |
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316 | 321 | "pyflakes": (has_pyflakes, "Pyflakes python linter"), |
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317 | 322 | "pygments": (has_pygments, "Pygments source highlighting library"), |
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318 | 323 | "root": (has_root, "root permissions"), |
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319 | 324 | "serve": (has_serve, "platform and python can manage 'hg serve -d'"), |
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320 | 325 | "ssl": (has_ssl, "python >= 2.6 ssl module and python OpenSSL"), |
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321 | 326 | "svn": (has_svn, "subversion client and admin tools"), |
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322 | 327 | "svn13": (has_svn13, "subversion client and admin tools >= 1.3"), |
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323 | 328 | "svn15": (has_svn15, "subversion client and admin tools >= 1.5"), |
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324 | 329 | "svn-bindings": (has_svn_bindings, "subversion python bindings"), |
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325 | 330 | "symlink": (has_symlink, "symbolic links"), |
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326 | 331 | "system-sh": (has_system_sh, "system() uses sh"), |
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327 | "tic": (has_tic, "terminfo compiler"), | |
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332 | "tic": (has_tic, "terminfo compiler and curses module"), | |
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328 | 333 | "tla": (has_tla, "GNU Arch tla client"), |
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329 | 334 | "unix-permissions": (has_unix_permissions, "unix-style permissions"), |
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330 | 335 | "windows": (has_windows, "Windows"), |
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331 | 336 | "msys": (has_msys, "Windows with MSYS"), |
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332 | 337 | "aix": (has_aix, "AIX"), |
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333 | 338 | "absimport": (has_absimport, "absolute_import in __future__"), |
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334 | 339 | "py3k": (has_py3k, "running with Python 3.x"), |
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335 | 340 | } |
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