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Re: Multiple installations and 3PPs (FAQ alert)
- From: Igor Pechtchanski <pechtcha at cs dot nyu dot edu>
- To: Steve Munson <stevebm at sprynet dot com>
- Cc: cygwin at cygwin dot com
- Date: Sun, 23 Jan 2005 13:29:22 -0500 (EST)
- Subject: Re: Multiple installations and 3PPs (FAQ alert)
- References: <15670709.1106498967074.JavaMail.root@wamui08.slb.atl.earthlink.net>
- Reply-to: cygwin at cygwin dot com
On Sun, 23 Jan 2005, Steve Munson wrote:
> On Sat, 22 Jan 2005 11:32:08 -0800, Joshua Daniel Franklin wrote:
>
> > I like the idea of it at least saving mounts. And the paths should work
> > (note the "bin"). :)
>
> The only thing I would change is to save the state of the mounts within
> the uninstall script (just before uninstalling), rather than the state
> at install time when /etc/postinstall/gen-uninst.sh was run.
>
> I also added a warning at the beginning, since this performs such a
> drastic operation, even though the UN*X philosophy is to do what the
> user says, no matter what, as in "rm * .o":
>
> ------ BEGIN gen-uninst.sh ------
> #!/bin/sh
> CYGDIR="`/bin/cygpath -aw /`"
> cat > /uninstall.bat <<EOF
> @echo Warning! This will remove all of Cygwin!
> @echo Use Ctrl-C or Ctrl-Break now to abort. Any other key will continue.
> @pause
> $CYGDIR\\bin\\mount -m > %TEMP%\\saved-mounts.bat
> $CYGDIR\\bin\\umount -s -A
> $CYGDIR\\bin\\umount -A
> copy $CYGDIR\\bin\\cygwin1.dll $CYGDIR\\bin\\regtool.exe %TEMP%
> $CYGDIR\\bin\\rm -rf /
> del /s $CYGDIR
> %TEMP%\\regtool remove "/HKLM/Software/Cygnus Solutions"
> %TEMP%\\regtool remove "/HKCU/Software/Cygnus Solutions"
> del %TEMP%\\cygwin1.dll %TEMP%\\regtool.exe
> EOF
> ------- END gen-uninst.sh -------
Ok, so now we have two "new" versions of this floating around: this and
<http://cygwin.com/ml/cygwin/2005-01/msg01092.html>. The final solution
will, hopefully, combine the best features of both (mostly the output
messages/warnings, as they're the same otherwise, AFAICS).
Igor
--
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