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Re: Multiple cygwin installs
On 3/27/06, Igor Peshansky <firstname.lastname@example.org> wrote:
> On Sun, 26 Mar 2006, Larry Hall (Cygwin) wrote:
> > Brian Hawkins wrote:
> > > Just FYI. I found a pretty good way to manage multiple cygwin installs.
> > >
> > > I use the windows subst command.
> > >
> > > It works like this. Create a directory c:\cyginstalls. Then beneath
> > > it create a directory for each cygwin install you want like cygwin1,
> > > cygwin2 whatever. Then use the subst command like so:
> > > subst x: c:\cyginstalls\cygwin1
> > >
> > > Now install cygwin to x:\. Change the subst to c:\cyginstalls\cygwin2
> > > and install again to x:\.
> > >
> > > To choose what cygwin you use just subst x to the appropriate folder.
> > > Kind of a poor mans symbolic link.
> > Why are you commandeering one thread to inject another? If you have
> > something you want to say and it has nothing to do with any previous
> > thread, just start a new one by sending email to the list.
> Very true.
> > The flaw that I see with your approach is that you're not taking into
> > account any existing mounts in the mount table. Without resetting the
> > mount table in between each installation, you will very likely end up
> > with subsequent installations overwriting the first one.
> Not quite true. The mounts aren't a problem in this case, since they'll
> be pointing to x: (not whatever x: is substed to). However, you have to
> make *very* sure that a) none of these directories are in the PATH, and b)
> none of the programs in those directories are invoked explicitly (in
> particular, services will be a problem).
> > FWIW, if you want something similar to symbolic links for directories
> > and you're running W2K or above with NTFS, you can use reparse points.
> > See the "junction" utility from www.sysinternal.com if you're interested
> > in this.
This link is broken(@ least for me) takes you to a popup netster.com site.
> True, but the same exact issues arise regarding the PATH and running
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