Try using abduco for session management which should have buffering (#…

…439)

* Try using abduco for session management which should have buffering

dtach does work but is too primitive to buffer and repaint previous output.  Abduco might be a better solve

* add annoying tput command

* try force enabling scroll

* different use of tput rmcap

boot.sh

@@ -1,9 +1,9 @@
 #!/bin/bash
+tput rmcup
 
 if [ -f /home/plural/.env ]; then
   source /home/plural/.env
 fi
 
 cd ~/workspace || echo "could not check out workspace repo, ensure it exists and git permissions are correct"
-
 zsh

dockerfiles/Dockerfile.cloud

@@ -75,6 +75,7 @@ RUN apt-get -yq update \
      lsb-release \
      openssh-client \
      dtach \
+     build-essential \
   && apt-get clean \
  && rm -rf /var/lib/apt/lists/*
 
@@ -129,6 +130,10 @@ RUN install -m 0755 -d /etc/apt/keyrings && \
 
 WORKDIR /root
 
+RUN git clone https://github.com/pluralsh/abduco.git \
+      && cd abduco && git checkout screen-buffer \
+      && ./configure && make && make install
+
 ENV TERM=xterm-256color
 ENV LC_ALL=en_US.UTF-8
 ENV LANG=en_US.UTF-8

start-session.sh

@@ -1,10 +1,10 @@
 #!/bin/sh
 
-session="/tmp/plural-workspace"
+session="plural-workspace"
 
 # ensure necessary env vars are populated
 if [ -f /home/plural/.env ]; then
   source /home/plural/.env
 fi
 
-dtach -A $session -r winch -Ez /home/plural/boot.sh
+abduco -A $session /home/plural/boot.sh