Setup reinnstall cygwin and uw-imap-imapd packages

[Mark Himsley]

I've just done an update of Cygwin using setup v2.340.2.5.

While setup was uninstalling uw-imap-imapd a pop-up appeared with the title 
of "sh.exe" saying "The Dynamic link library cygwin1.dll coulc not be found 
in specified path C:\cygwin\bin;.;C:\WINNT\system23..."

My hypothesis from reading the section of setup.log (attached) is that 
since setup was updating cygwin and some other packages it had removed 
cygwin1.dll and then it tried to uninstall uw-imap-imapd which has an 
uninstall sh script which could not run because cygwin1.dll has already 
been removed.

The uninstall of uw-imap-imapd tries to run /etc/preremove/uw-imap-imapd.sh 
which removes sym links. The postinstall script replaces the links no 
matter what so there is no harm done.

It appears that there is a logic problem if setup can remove cygwin1.dll 
and then continue to try to run cygwin applications. If setup is to be 
idiot proof then maybe this logic needs a little attention.

Thanks to everyone who is involved in creating and enhancing Cygwin. It is 
a fantastic utility set which I have used since b19 and it is always 
getting better!

-- 
Mark Himsley
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