Fix PS1 prompts to use single quotes and remove colors since they are in env-shared.

bashrc.sh

@@ -10,22 +10,13 @@ fi
 
 # PS1
 
-PURPLE=`tput setaf 5`
-ORANGE=`tput setaf 214`
-GREEN=`tput setaf 2`
-
-RED=`tput setaf 9`
-SCARLET=`tput setaf 1`
-YELLOW=`tput setaf 226` # 11 does not seem to work
-
-GRAY=`tput setaf 8`
-
-RESET=`tput sgr0`
-BOLD=`tput bold`
+# This helps to determine the color palette numbers:
+#  https://robotmoon.com/bash-prompt-generator/
+# Colors are in env-shared.
 if [[ "`whoami`" == "root" ]]; then
-	export PS1="$BOLD$ORANGE[$SCARLET\t $RED\w$ORANGE]$GRAY\\$ $RESET"
+	export PS1='\[$BOLD\]\[$ORANGE\][\[$SCARLET\]\t \[$RED\]\w\[$ORANGE\]]\[$GRAY\]\$ \[$RESET\]'
 else
-	export PS1="$BOLD$PURPLE[$ORANGE\t $GREEN\w$PURPLE]$RESET\\$ "
+	export PS1='\[$BOLD\]\[$PURPLE\][\[$ORANGE\]\t \[$GREEN\]\w\[$PURPLE\]]\[$RESET\]\$ '
 fi
 
 ## Aliases ##