Feature to disable output colors

usr/local/share/bastille/common.sh

@@ -28,7 +28,21 @@
 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-. /usr/local/share/bastille/colors.pre.sh
+. /usr/local/etc/bastille/bastille.conf
+
+# Load text output colors if enabled in config
+# else reset colors variables used by bastille
+case "${bastille_colors_enable}" in
+    [Yy][Ee][Ss])
+        . /usr/local/share/bastille/colors.pre.sh
+        ;;
+    *)
+        COLOR_RED=
+        COLOR_GREEN=
+        COLOR_YELLOW=
+        COLOR_RESET=
+        ;;
+esac
 
 # Notify message on error, but do not exit
 error_notify() {

usr/local/share/bastille/create.sh

@@ -34,7 +34,7 @@
 usage() {
     # Build an independent usage for the create command
     # If no option specified, will create a thin container by default
-    echo -e "${COLOR_RED}Usage: bastille create [option(s)] name release ip [interface]${COLOR_RESET}"
+    error_notify "Usage: bastille create [option(s)] name release ip [interface]"
 
     cat << EOF
     Options:

usr/local/share/bastille/export.sh

@@ -36,7 +36,7 @@ usage() {
     # Valid compress/options for ZFS systems are raw, .gz, .tgz, .txz and .xz
     # Valid compress/options for non ZFS configured systems are .tgz and .txz
     # If no compression option specified, user must redirect standard output
-    echo -e "${COLOR_RED}Usage: bastille export | option(s) | TARGET | PATH${COLOR_RESET}"
+    error_notify "Usage: bastille export | option(s) | TARGET | PATH"
 
     cat << EOF
     Options:

usr/local/share/bastille/import.sh

@@ -34,7 +34,7 @@
 usage() {
     # Build an independent usage for the import command
     # If no file/extension specified, will import from standard input
-    echo -e "${COLOR_RED}Usage: bastille import [option(s)] FILE${COLOR_RESET}"
+    error_notify "Usage: bastille import [option(s)] FILE"
 
     cat << EOF
     Options: