Ps1 preamble

(cherry picked from commit bbaee3c7)

.gitlab-ci.yml

@@ -270,7 +270,7 @@ jug_xl:nightly:
     - docker build -t ${CI_REGISTRY_IMAGE}/${BUILD_IMAGE}:${NIGHTLY_TAG} 
                    -f containers/jug/xl.Dockerfile
                    --build-arg INTERNAL_TAG=${INTERNAL_TAG}
-                   --build-arg JUG_VERSION=nightly-$(date +%Y-%m-%d_%H-%M-%S)-$(git rev-parse HEAD)
+                   --build-arg JUG_VERSION=nightly-$(date +%Y-%m-%d_%H-%M-%S)-${INTERNAL_TAG}-$(git rev-parse HEAD)
                    containers/jug
     - |
       PUSH_FLAG=""

containers/jug/eic-env.sh

@@ -6,8 +6,37 @@ for i in /etc/profile.d/*.sh; do
   fi
 done
 
-export PS1='eic-shell> \[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
+## default PS1 preamble in case we can't find better info
+PS1_PREAMBLE='eic-shell> '
+## try to guess who we are
+## note: we use sigils for the following cases:
+## - no sigil for nightly builds (jug_xl> )
+## - (*) for master builds     (jug_xl*> )
+## - (+) for stable (versioned) (jug_xl+> )
+## - (?) for unstable (MR)      (jug_xl?> )
+if [ -f /etc/jug_info ]; then
+  container=$(grep -e 'jug_' /etc/jug_info | tail -n 1 | awk '{print($2);}')
+  container=${container%:}              ## jug_xl
+  version=$(grep -e 'jug_' /etc/jug_info | tail -n 1 | awk '{print($3);}')
+  if [ ! -z ${container} ]; then
+    if [[ $version =~ 'unstable' ]]; then
+      sigil="?"
+    elif [[ $version =~ 'testing' ]]; then
+      sigil="*"
+    elif [[ $version =~ 'nightly' ]]; then
+      sigil=""
+    else # stable
+      sigil="+"
+    fi
+    PS1_PREAMBLE="${container}${sigil}> "
+    unset sigil
+  fi
+  unset version
+  unset container
+fi
+export PS1=${PS1_PREAMBLE}'\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
 export LS_COLORS='rs=0:di=01;34:ln=01;36:mh=00:pi=40;33'
+unset PS1_PREAMBLE
 
 ## redefine ls and less as functions, as this is something we
 ## can import into our plain bash --norc --noprofile session

containers/jug/xl.Dockerfile

@@ -143,3 +143,4 @@ RUN mkdir -p /opt/campaigns
         https://eicweb.phy.anl.gov/EIC/campaigns/condor.git                     \
  && git clone -b ${CAMPAIGNS_SLURM_VERSION} --depth 1                           \
         https://eicweb.phy.anl.gov/EIC/campaigns/slurm.git
+