Ensure a rebuild of a container is a verbose event.

tools/containers_check_update_rebuild_switch.sh

@@ -46,6 +46,9 @@ do
 
     PATH_OF_CONTAINER="$( docker inspect --format='{{ index .Config.Labels "com.docker.compose.project.working_dir" }}' $CONTAINER_ID )"
     NAME_OF_CONTAINER="$( docker inspect --format='{{ .Name }}' $CONTAINER_ID )"
+
+    echo "IMPORTANT: updating container $NAME_OF_CONTAINER from $PATH_OF_CONTAINER"
+
     cd $PATH_OF_CONTAINER
     docker-compose pull || { fail_one "pull" ; continue ; }
     docker-compose build --no-cache || { fail_one "build" ; continue ; }

tools/run_and_output_only_on_error.sh

@@ -1,22 +1,53 @@
 #!/bin/bash
 
-set -eu
-
 LOGFILENAME=$(mktemp /tmp/run_and_output_only_on_error_XXXXXX)
-# set -xv
 
 trap "rm -f ${LOGFILENAME}" EXIT
 
-if
+REASONS_FOR_OUTPUT=()
+
 (
+    set -xv
     $@
 ) > "${LOGFILENAME}" 2>&1
+
+RC=$?
+
+if [[ "$RC" != 0 ]]
 then
-    true
+    REASONS_FOR_OUTPUT+=( "Return code $RC" )
-else
+fi
+
+if grep -qiw WARNING "${LOGFILENAME}"
+then
+    REASONS_FOR_OUTPUT+=("WARNING appears in output")
+fi
+
+if grep -qiw ERROR "${LOGFILENAME}"
+then
+    REASONS_FOR_OUTPUT+=("ERROR appears in output")
+fi
+
+if grep -qiw FAILURE "${LOGFILENAME}"
+then
+    REASONS_FOR_OUTPUT+=("FAILURE appears in output")
+fi
+
+if grep -qiw IMPORTANT "${LOGFILENAME}"
+then
+    REASONS_FOR_OUTPUT+=("IMPORTANT appears in output")
+fi
+
+if [[ ${#REASONS_FOR_OUTPUT[@]} != 0 ]]
+then
+    echo "Verbose report on running: $@"
+    echo
+    echo "${#REASONS_FOR_OUTPUT[@]} reason(s) for verbose output: "
+    printf '* %s\n' "${REASONS_FOR_OUTPUT[@]}"
     echo
-    echo "Error on running: $@"
     echo
     echo "Here's the program's output (out and err combined)"
+    echo ========================================================================
     cat "${LOGFILENAME}"
+    echo ========================================================================
 fi