Thanks, that worked. For now, I guess I have to figure out how to set that property permanently, or until this pty bug is fixed.. I start Emacs from a shortcut, executing "emacs.xml". I see the file appears to have some syntax for setting the environment, but I've never inspected that file before.
On Tue, Mar 17, 2020 at 6:04 PM Ken Brown via Cygwin <cygwin@cygwin.com> wrote: > On 3/17/2020 7:14 PM, David Karr via Cygwin wrote: > > Yesterday I upgraded Cygwin, which I hadn't done in a while. I had > recently > > upgraded my Windows 10 OS from build 1709 to 1809 (yes, those are > correct). > > > > My current Emacs version is 26.3, but I don't know what it was before the > > upgrade. > > > > If I create a shell buffer and execute a command that produces plain, > > uncolored output, it appears to work fine. However, output from "Maven" > > has always been colorized for me, and it's always worked fine. Today, > I'm > > seeing that the output is severely corrupted. If I pipe the output into > a > > file and view that, which doesn't have colors, the contents are fine. I > > also ran the same process in a mintty window, which is colorized in the > > same way, and that is also working fine. > > > > For instance, if this is what I see in a mintty buffer: > > ----------------------- > > [WACDTL03DK068X:~/git/cartms] mvn package > > Java HotSpot(TM) 64-Bit Server VM warning: ignoring option > > MaxPermSize=128m; sup > > port was removed in 8.0 > > [INFO] Scanning for projects... > > [WARNING] > > ... > > ------------------------- > > > > What I see in the Emacs shell buffer is something like this: > > ------------------------- > > [WACDTL03DK068X:~/git/cartms] mvn package > > [WACDTL03DK068X:~/git/cartms] [WACDTL03DK068X:~/git/cartms] Java > > HotSpot(TM) 64- > > Bit Server VM warning:ignoring option MaxPermSize=128m; support was > removed > > in > > 8.0 > > [INFO] Scanning for projects...[ > > [WARNING] l > > > > > > > > > > > > .... > > --------------------------- > > > > The first thing I see is that it prints the shell prompt twice AFTER > > pressing enter on the command line to run. That might possibly be an > issue > > with my Bash dot files, but this didn't happen before the Cygwin upgrade, > > and it doesn't happen in the mintty window. > > > > After that, it gets even worse. The "Java HotSpot ..." line prints in > > three lines, instead of a single line. Then, the first "WARNING" line > has > > the "l" at the end of the line, and then numerous blank lines. The rest > of > > the output is mangled in other ways. > > > > Any ideas what might be wrong here? > > This is probably related to the new pty code. Does it help if you start > emacs > like this? > > CYGWIN=disable_pcon emacs > > If so, that confirms my guess and gives you a workaround. > > Ken > -- > Problem reports: https://cygwin.com/problems.html > FAQ: https://cygwin.com/faq/ > Documentation: https://cygwin.com/docs.html > Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple > -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
