R: Question about cygwin installation and folder permissions

Vincent Richomme forumer@smartmobili.com
Sun Nov 28 18:13:00 GMT 2010

On Sun, 28 Nov 2010 01:07:44 +0300, Andrey Repin
<anrdaemon@freemail.ru> wrote:
> Greetings, Marco Atzeri!
>> run setup and choose the directory you want
>> the default proposal is c:\cygwin
> To add:
> Strongly advised against paths with spaces or national letters.

Again I was not very clear I don't want to know how to install cygwin
because even a monkey can do it.
No what I want to know is in the installer how do you change folder
what kind of API, is it done by the installer or by some post install
Where can I find cygwin installer sources if it's done by it.
Actually I built a custom installer for msys/mingw-w64 and when I
install it
in C:/Developer/MaxGW, if I run it without permissions I cannot create
new folder :

mkdir: cannot create directory `/home': Permission denied
cp: cannot create regular file `/home/Vincent/.inputrc': No such file
or direry
bash: cd: /home/Vincent: No such file or directory

It means I usually have to run my application using administrator
rights but 
I don't like to do this.
Cygwin seems to allow user to create folder inside its installation
path so
I would like to know how it's possible.


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