Mercurial > public > mercurial-scm > hg-stable
diff mercurial/posix.py @ 15011:5e44e4b3a0a3
util: move copymode into posix.py and windows.py
reducing it to a NOP on Windows.
This eliminates a pointless stat call on Windows and reduces the risk of
interferring with other processes (e.g. AV-scanners, file change watchers).
See also http://mercurial.selenic.com/wiki/UnlinkingFilesOnWindows, item 2d
| author | Adrian Buehlmann <adrian@cadifra.com> |
|---|---|
| date | Tue, 02 Aug 2011 13:18:56 +0200 |
| parents | 2aa3e07b2f07 |
| children | 8413916df816 |
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--- a/mercurial/posix.py Tue Aug 02 12:29:48 2011 +0200 +++ b/mercurial/posix.py Tue Aug 02 13:18:56 2011 +0200 @@ -84,6 +84,21 @@ # Turn off all +x bits os.chmod(f, s & 0666) +def copymode(src, dst, mode=None): + '''Copy the file mode from the file at path src to dst. + If src doesn't exist, we're using mode instead. If mode is None, we're + using umask.''' + try: + st_mode = os.lstat(src).st_mode & 0777 + except OSError, inst: + if inst.errno != errno.ENOENT: + raise + st_mode = mode + if st_mode is None: + st_mode = ~umask + st_mode &= 0666 + os.chmod(dst, st_mode) + def checkexec(path): """ Check whether the given path is on a filesystem with UNIX-like exec flags