And I note that I tried running the same script from a Linux VM on my laptop, and it doesn't have this symptom, so it does seem to have something to do with Cygwin or Windows.
On Tue, Jul 31, 2018 at 1:15 PM, David Karr <davidmichaelk...@gmail.com> wrote: > On Tue, Jul 31, 2018 at 9:27 AM, Thomas Wolff <t...@towo.net> wrote: > >> Am 31.07.2018 um 18:15 schrieb David Karr: >> >>> I really have no idea if this is a Cygwin problem, just trying to >>> eliminate variables. >>> >>> I believe my Cygwin version is "2.9.0(0.318/5/3)" (from the uname >>> string). >>> >>> From a mintty window, I use a variation of "kubectl exec" in a script to >>> run a shell in a container in a pod. It appears to run, and I can run >>> processes from that shell in the container, but the curious thing is >>> that I >>> never get a shell prompt from the container. I thought I had gotten this >>> to work before, in the same k8s cluster, but I'm not certain. >>> >> This may be an instance of the pty incompatibility issue of native >> Windows programs (which I assume kubectl to be). >> Try `winpty kubectl`, after installing winpty, that is. >> Maybe someone should put up a winpty cygwin package; maybe I should do >> it... >> > > I hope this isn't it. This is really the only issue I have with running > kubectl in Cygwin. It takes and outputs text perfectly fine. I use pipes > for input and output with no issues. When I run kubectl with winpty, it > changes the text encoding in ways I don't understand yet. > > > >> >> The other curious thing I see is that if I execute "echo $PS1" in the >>> shell >>> in the container, it gives me a reasonable response ("\w \$"), but if I >>> instead do "env | grep PS1", it returns nothing. >>> >> You may have set PS1 in your .profile (or .bashrc) but not exported it >> into the environment (export PS1). >> > > I guess that makes sense. It appears to be irrelevant to my problem. > > -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple