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comparison mercurial/posix.py @ 24108:d65ecb814fc0 stable

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shellquote: fix missing quotes for empty string "hg kdiff3 -rREV" did not work because 1642eb429536 and 5edb387158a1 failed to handle empty argument.
author Yuya Nishihara <yuya@tcha.org>
date Wed, 11 Feb 2015 19:57:07 +0900
parents 5edb387158a1
children 609aa973c01d
comparison
equal deleted inserted replaced
24013:942a5a34b2d0 24108:d65ecb814fc0
320 if os.sys.platform == 'OpenVMS': 320 if os.sys.platform == 'OpenVMS':
321 return '"%s"' % s 321 return '"%s"' % s
322 global _needsshellquote 322 global _needsshellquote
323 if _needsshellquote is None: 323 if _needsshellquote is None:
324 _needsshellquote = re.compile(r'[^a-zA-Z0-9._/-]').search 324 _needsshellquote = re.compile(r'[^a-zA-Z0-9._/-]').search
325 if not _needsshellquote(s): 325 if s and not _needsshellquote(s):
326 # "s" shouldn't have to be quoted 326 # "s" shouldn't have to be quoted
327 return s 327 return s
328 else: 328 else:
329 return "'%s'" % s.replace("'", "'\\''") 329 return "'%s'" % s.replace("'", "'\\''")
330 330