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Subject: Re: cygpath -w converts relative paths to absolute windows paths
To: cygwin AT cygwin DOT com
References: <10eb657d-a00b-1609-a9b9-6373092c1ac1 AT polyhack DOT io> <20170212112314 DOT GE11666 AT calimero DOT vinschen DOT de>
From: Thomas Wolff <towo AT towo DOT net>
Message-ID: <6055a8e1-bfd7-16c7-f25a-e02523863fdd@towo.net>
Date: Sun, 12 Feb 2017 18:38:49 +0100
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Am 12.02.2017 um 12:23 schrieb Corinna Vinschen:
> On Feb  7 14:35, Roger Qiu wrote:
>> Hi,
>>
>> I've found that `cygpath --windows '../` will give back an absolute windows
>> path.
>>
>> I thought this would only happen if you provide the `--absolute` flag, or
>> when the path is a special cygwin path.
>>
>> But this occurs just for normal directories.
>>
>> I have come across a situation where I need to convert ntfs symlinks to unix
>> symlinks and back. Sometimes these symlinks have relative paths them. Now by
>> using cygpath --windows, I get back absolute paths, which means the
>> integrity of the symlink isn't preserved.
>>
>> Can `cygpath --windows '../directory'` give back `..\directory` for paths
>> aren't special cygwin paths? These relative backslashes are supported in
>> Windows right now.
> Not easily.  All paths are evaluated as absolute paths inside Cygwin.
> The result of the path conversion is always an absolute path. A relative
> path is generated from there by checking if the path prefix in POSIX
> notation is identical to the current working directory.  If not, the
> path stays absolute.  Naturally, if you use a "..", the resulting path
> does not match the CWD anymore, so you're out.
How about converting getcwd(), too, and comparing that?
------
Thomas

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