Added 'set -e' safe guards to colours.sh, pull.sh and status.sh

README.md

@@ -50,7 +50,7 @@ docker images --format='{{.Repository}};{{.Tag}};{{.ID}}' | grep '<none>;<none>'
 # Get all used images tag in dir $PATH_ANALYSE
 find $PATH_ANALYSE -name 'Dockerfile*' | while read file; do cat $file; echo ''; done | grep -e FROM | cut -d ' ' -f 2 | sed $'s/[^[:print:]\t]//g' | sort -u | xargs -n1 docker pull
 # Calculate total docker images size
-docker images --format {{.ID}} | xargs -n1 docker inspect | jq '.[0]["Size"]' | paste -sd + | bc | format_bytes_str
+docker images --format {{.ID}} | xargs -n1 docker inspect | jq '.[0]["Size"]' | paste -sd + | bc | format_bytes
 ```
 
 ## Remove every user R packages

colours.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -e
+
 # Print out escape sequences usable for coloured text on tty.
 # shellcheck disable=2016
 printf 'Colour escapes are %s\n' '\e[${value};...;${value}m'

pull.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 __r__(){
 	end="$1"
 	for _ in $(seq 1 "$end"); do

status.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -e
+
 __r__(){
 	end="$1"
 	for _ in $(seq 1 "$end"); do