Ability to specify /cygdrive mount value in setup

Sun Dec 6 17:12:00 GMT 2015

Achim Gratz writes:
> I need cygpath to get the system directory (hint: it need not be in
> C:\Windows\System32) and cygpath delivers that directory with the
> cygdrive prefix and not /proc/cygpath prepended. I wouldn't mind if all
> those special directories would also be available via /proc/<whatever>,
> which means I wouldn't even need to fork cygpath for getting there.

This will get me the correct path to link to, but I still think it's
unnecessarily ugly (and took a while to cover all the possibilities of
not-so-well-formed cygdrive prefixes):
--8<---------------cut here---------------start------------->8---
CYGDRIVE="$(/usr/bin/cygpath -u C:)"
WINETC="$(/usr/bin/cygpath -S -u)/drivers/etc"
WINETC="/proc/cygdrive/${WINETC#${CYGDRIVE%c}}"
--8<---------------cut here---------------end--------------->8---
versus the hypothetical
--8<---------------cut here---------------start------------->8---
WINETC="$(/usr/bin/cygpath -S -U)/drivers/etc"
--8<---------------cut here---------------end--------------->8---
BTW, the path comprising the cygdrive prefix probably needs to be
sanitized to avoid things like
--8<---------------cut here---------------start------------->8---
$ mount -c /bla//fasel////blum//////
--8<---------------cut here---------------end--------------->8---
leaking into the wild.
Regards,
Achim.
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