Refactor scripts to be POSIX compliant

debian.sh

@@ -1,51 +1,51 @@
-#! /bin/bash
+#! /bin/sh
 
 # Colors
 RED='\033[0;31m'
-GREEN='\033[0;32m'
 YELLOW='\033[0;33m'
-BLUE='\033[0;34m'
-PURPLE='\033[0;35m'
 CYAN='\033[0;36m'
 NC='\033[0m' # No Color
 
-trap "echo -e '${RED}debian.sh interrupted.${NC}'; exit 1" SIGINT SIGTERM
+trap 'printf "${RED}debian.sh interrupted.${NC}"; exit 1' INT TERM
 
-PS3="Debian Sources: "
-options=("Stable" "Testing")
+echo "Debian Sources:"
+echo "1) Stable"
+echo "2) Testing"
+printf "Enter your choice: "
 
-select opt in "${options[@]}"; do
+while read -r REPLY; do
   case $REPLY in
   1)
-    echo -e "${CYAN}Using Stable sources.${NC}"
+    echo "${CYAN}Using Stable sources.${NC}"
     sudo cp /etc/apt/sources.list /etc/apt/sources.list.bckp
     sudo cp stable-sources.list /etc/apt/sources.list
     break
     ;;
   2)
-    echo -e "${CYAN}Using Testing sources.${NC}"
+    echo "${CYAN}Using Testing sources.${NC}"
     sudo cp /etc/apt/sources.list /etc/apt/sources.list.bckp
     sudo cp testing-sources.list /etc/apt/sources.list
     break
     ;;
   *)
     echo "Invalid option."
+    printf "Enter your choice: "
     ;;
   esac
 done
 
 ./scripts/update
 
-echo -e "${YELLOW}Installing GNOME...${NC}"
+echo "${YELLOW}Installing GNOME...${NC}"
 sudo apt install gnome-core flatpak gnome-software-plugin-flatpak
 sudo flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
 
 # Enable Network Manager
-echo -e "${YELLOW}Enabling Network Manager...${NC}"
+echo "${YELLOW}Enabling Network Manager...${NC}"
 sudo mv /etc/network/interfaces /etc/network/interfaces.bckp
 sudo systemctl restart networking
 sudo service NetworkManager restart
 
 # Remove Firefox (Epiphany installed instead)
-echo -e "${YELLOW}Removing Firefox...${NC}"
+echo "${YELLOW}Removing Firefox...${NC}"
 sudo apt purge firefox-esr