103         return False

   103         return False

   104     name = tempfile.mktemp(dir='.', prefix=tempprefix)

   104     name = tempfile.mktemp(dir='.', prefix=tempprefix)

   105     sock = socket.socket(socket.AF_UNIX)

   105     sock = socket.socket(socket.AF_UNIX)

   106     try:

   106     try:

   107         sock.bind(name)

   107         sock.bind(name)

   109         return False

   109         return False

   110     sock.close()

   110     sock.close()

   111     os.unlink(name)

   111     os.unlink(name)

   112     return True

   112     return True

   113 

   113 

   271 def has_tic():

   271 def has_tic():

   272     return matchoutput('test -x "`which tic`"', '')

   272     return matchoutput('test -x "`which tic`"', '')

   273 

   273 

   274 def has_msys():

   274 def has_msys():

   275     return os.getenv('MSYSTEM')

   275     return os.getenv('MSYSTEM')

   276 

   279 

   277 checks = {

   280 checks = {

   278     "true": (lambda: True, "yak shaving"),

   281     "true": (lambda: True, "yak shaving"),

   279     "false": (lambda: False, "nail clipper"),

   282     "false": (lambda: False, "nail clipper"),

   280     "baz": (has_baz, "GNU Arch baz client"),

   283     "baz": (has_baz, "GNU Arch baz client"),

   312     "tic": (has_tic, "terminfo compiler"),

   315     "tic": (has_tic, "terminfo compiler"),

   313     "tla": (has_tla, "GNU Arch tla client"),

   316     "tla": (has_tla, "GNU Arch tla client"),

   314     "unix-permissions": (has_unix_permissions, "unix-style permissions"),

   317     "unix-permissions": (has_unix_permissions, "unix-style permissions"),

   315     "windows": (has_windows, "Windows"),

   318     "windows": (has_windows, "Windows"),

   316     "msys": (has_msys, "Windows with MSYS"),

   319     "msys": (has_msys, "Windows with MSYS"),

   317 }

   321 }