refact: fix (almost) all shellcheck errors

the only files i didn't fix:
- core/tabs/utils/ssh.sh (ref #996)
- core/tabs/system-setup/arch/server-setup.sh

core/tabs/applications-setup/android-debloat.sh

@@ -19,7 +19,7 @@ install_adb() {
                 "$ESCALATION_TOOL" "$PACKAGER" add android-tools
                 ;;
             *)
-                printf "%b\n" "${RED}Unsupported package manager: "$PACKAGER"${RC}"
+                printf "%b\n" "${RED}Unsupported package manager: $PACKAGER${RC}"
                 exit 1
                 ;;
         esac

core/tabs/applications-setup/browsers/librewolf.sh

@@ -8,7 +8,7 @@ installLibreWolf() {
         case "$PACKAGER" in
             apt-get|nala)
                 "$ESCALATION_TOOL" "$PACKAGER" install -y gnupg lsb-release apt-transport-https ca-certificates
-                distro=`if echo " una bookworm vanessa focal jammy bullseye vera uma " | grep -q " $(lsb_release -sc) "; then lsb_release -sc; else echo focal; fi`
+                distro=$(if echo " una bookworm vanessa focal jammy bullseye vera uma " | grep -q "$(lsb_release -sc)"; then "$(lsb_release -sc)"; else echo 'focal'; fi)
                 curl -fsSL https://deb.librewolf.net/keyring.gpg | "$ESCALATION_TOOL" gpg --dearmor -o /usr/share/keyrings/librewolf.gpg
                 echo "Types: deb
 URIs: https://deb.librewolf.net
@@ -49,4 +49,4 @@ Signed-By: /usr/share/keyrings/librewolf.gpg" | "$ESCALATION_TOOL" tee /etc/apt/
 checkEnv
 checkEscalationTool
 checkAURHelper
-installLibreWolf
+installLibreWolf

core/tabs/applications-setup/communication-apps/discord-setup.sh

@@ -17,7 +17,7 @@ installDiscord() {
                 "$ESCALATION_TOOL" "$PACKAGER" -S --needed --noconfirm discord 
                 ;;
             dnf)
-                "$ESCALATION_TOOL" "$PACKAGER" install -y https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
+                "$ESCALATION_TOOL" "$PACKAGER" install -y "https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm"
                 "$ESCALATION_TOOL" "$PACKAGER" install -y discord
                 ;;
             apk)
@@ -36,4 +36,4 @@ installDiscord() {
 
 checkEnv
 checkEscalationTool
-installDiscord
+installDiscord

core/tabs/applications-setup/communication-apps/signal-setup.sh

@@ -8,7 +8,7 @@ installSignal() {
         case "$PACKAGER" in
             apt-get|nala)
                 curl -fsSL https://updates.signal.org/desktop/apt/keys.asc | gpg --dearmor > signal-desktop-keyring.gpg
-                cat signal-desktop-keyring.gpg | "$ESCALATION_TOOL" tee /usr/share/keyrings/signal-desktop-keyring.gpg > /dev/null
+                "$ESCALATION_TOOL" tee /usr/share/keyrings/signal-desktop-keyring.gpg < signal-desktop-keyring.gpg > /dev/null
                 printf "%b\n" 'deb [arch=amd64 signed-by=/usr/share/keyrings/signal-desktop-keyring.gpg] https://updates.signal.org/desktop/apt xenial main' | "$ESCALATION_TOOL" tee /etc/apt/sources.list.d/signal-xenial.list
                 "$ESCALATION_TOOL" "$PACKAGER" update
                 "$ESCALATION_TOOL" "$PACKAGER" -y install signal-desktop
@@ -39,4 +39,4 @@ installSignal() {
 
 checkEnv
 checkEscalationTool
-installSignal
+installSignal

core/tabs/applications-setup/dwmtitus-setup.sh

@@ -192,7 +192,7 @@ setupDisplayManager() {
             "$ESCALATION_TOOL" "$PACKAGER" install -y xorg-x11-xinit xorg-x11-server-Xorg
             ;;
         *)
-            printf "%b\n" "${RED}Unsupported package manager: "$PACKAGER"${RC}"
+            printf "%b\n" "${RED}Unsupported package manager: $PACKAGER${RC}"
             exit 1
             ;;
     esac
@@ -244,7 +244,7 @@ setupDisplayManager() {
                 "$ESCALATION_TOOL" "$PACKAGER" install -y "$DM"
                 ;;
             *)
-                printf "%b\n" "${RED}Unsupported package manager: "$PACKAGER"${RC}"
+                printf "%b\n" "${RED}Unsupported package manager: $PACKAGER${RC}"
                 exit 1
                 ;;
         esac

core/tabs/applications-setup/linutil-installer.sh

@@ -53,7 +53,7 @@ installLinutil() {
                                 ;;
                             *)
                                 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-                                . $HOME/.cargo/env
+                                . "$HOME/.cargo/env"
                                 ;;
                         esac
                     fi

core/tabs/applications-setup/linutil-updater.sh

@@ -17,7 +17,7 @@ updateLinutil() {
                 zypper)
                     "$ESCALATION_TOOL" "$PACKAGER" install -n curl gcc make
                     curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
-                    . $HOME/.cargo/env
+                    . "$HOME/.cargo/env"
                     ;;
                 apk)
                     "$ESCALATION_TOOL" "$PACKAGER" add build-base

core/tabs/system-setup/compile-setup.sh

@@ -15,33 +15,33 @@ installDepend() {
             else
                 printf "%b\n" "${GREEN}Multilib is already enabled.${RC}"
             fi
-            "$AUR_HELPER" -S --needed --noconfirm $DEPENDENCIES
+            "$AUR_HELPER" -S --needed --noconfirm "$DEPENDENCIES"
             ;;
         apt-get|nala)
             COMPILEDEPS='build-essential'
             "$ESCALATION_TOOL" "$PACKAGER" update
             "$ESCALATION_TOOL" dpkg --add-architecture i386
             "$ESCALATION_TOOL" "$PACKAGER" update
-            "$ESCALATION_TOOL" "$PACKAGER" install -y $DEPENDENCIES $COMPILEDEPS
+            "$ESCALATION_TOOL" "$PACKAGER" install -y "$DEPENDENCIES" "$COMPILEDEPS"
             ;;
         dnf)
             COMPILEDEPS='@development-tools'
             "$ESCALATION_TOOL" "$PACKAGER" update
             "$ESCALATION_TOOL" "$PACKAGER" config-manager --set-enabled powertools
-            "$ESCALATION_TOOL" "$PACKAGER" install -y $DEPENDENCIES $COMPILEDEPS
+            "$ESCALATION_TOOL" "$PACKAGER" install -y "$DEPENDENCIES" "$COMPILEDEPS"
             "$ESCALATION_TOOL" "$PACKAGER" install -y glibc-devel.i686 libgcc.i686
             ;;
         zypper)
             COMPILEDEPS='patterns-devel-base-devel_basis'
             "$ESCALATION_TOOL" "$PACKAGER" refresh 
-            "$ESCALATION_TOOL" "$PACKAGER" --non-interactive install $DEPENDENCIES $COMPILEDEPS
+            "$ESCALATION_TOOL" "$PACKAGER" --non-interactive install "$DEPENDENCIES" "$COMPILEDEPS"
             "$ESCALATION_TOOL" "$PACKAGER" --non-interactive install libgcc_s1-gcc7-32bit glibc-devel-32bit
             ;;
         apk)
             "$ESCALATION_TOOL" "$PACKAGER" add build-base multitail tar tree trash-cli unzip cmake jq
             ;;
         *)
-            "$ESCALATION_TOOL" "$PACKAGER" install -y $DEPENDENCIES
+            "$ESCALATION_TOOL" "$PACKAGER" install -y "$DEPENDENCIES"
             ;;
     esac
 }
@@ -49,4 +49,4 @@ installDepend() {
 checkEnv
 checkAURHelper
 checkEscalationTool
-installDepend
+installDepend

core/tabs/system-setup/system-cleanup.sh

@@ -22,7 +22,7 @@ cleanup_system() {
             ;;
         pacman)
             "$ESCALATION_TOOL" "$PACKAGER" -Sc --noconfirm
-            "$ESCALATION_TOOL" "$PACKAGER" -Rns $(pacman -Qtdq) --noconfirm > /dev/null || true
+            "$ESCALATION_TOOL" "$PACKAGER" -Rns "$(pacman -Qtdq)" --noconfirm > /dev/null || true
             ;;
         apk)
             "$ESCALATION_TOOL" "$PACKAGER" cache clean

core/tabs/utils/bluetooth-control.sh

@@ -65,12 +65,11 @@ scan_devices() {
         printf "%b\n" "$devices"
     fi
     printf "%b" "Press any key to return to the main menu..."
-    read -r dummy
+    read -r _
 }
 
 # Function to prompt for MAC address using numbers
 prompt_for_mac() {
-    action=$1
     command=$2
     prompt_msg=$3
     success_msg=$4
@@ -82,14 +81,14 @@ prompt_for_mac() {
         if [ -z "$devices" ]; then
             printf "%b\n" "${RED}No devices available. Please scan for devices first.${RC}"
             printf "%b" "Press any key to return to the main menu..."
-            read -r dummy
+            read -r _
             return
         fi
 
         # Display devices with numbers
         device_list=$(echo "$devices" | tr '\n' '\n')
         i=1
-        echo "$device_list" | while IFS= read -r device; do
+        for device in $device_list; do
             printf "%d. %s\n" "$i" "$device"
             i=$((i + 1))
         done
@@ -102,12 +101,12 @@ prompt_for_mac() {
             device=$(echo "$device_list" | sed -n "${choice}p")
             mac=$(echo "$device" | awk '{print $2}')
             if bluetoothctl info "$mac" > /dev/null 2>&1; then
-                bluetoothctl "$command" "$mac" && {
+                if bluetoothctl "$command" "$mac"; then
                     printf "%b\n" "${GREEN}$success_msg${RC}"
                     break
-                } || {
+                else
                     printf "%b\n" "${RED}$failure_msg${RC}"
-                }
+                fi
             else
                 printf "%b\n" "${RED}Invalid MAC address. Please try again.${RC}"
             fi
@@ -118,7 +117,7 @@ prompt_for_mac() {
         fi
     done
     printf "%b" "Press any key to return to the main menu..."
-    read -r dummy
+    read -r _
 }
 
 # Function to pair with a device

core/tabs/utils/encrypt_decrypt_tool.sh

@@ -62,11 +62,11 @@ encrypt_file() {
     if [ -d "$INPUT_PATH" ]; then
         # Encrypt each file in the directory
         find "$INPUT_PATH" -type f | while read -r FILE; do
-            REL_PATH="${FILE#$INPUT_PATH/}"
+            REL_PATH="${FILE#"$INPUT_PATH"/}"
             OUTPUT_FILE="$OUTPUT_PATH/$REL_PATH.enc"
             mkdir -p "$(dirname "$OUTPUT_FILE")"
-            openssl enc -aes-256-cbc -salt -pbkdf2 -in "$FILE" -out "$OUTPUT_FILE" -k "$PASSWORD"
+
-            if [ $? -eq 0 ]; then
+            if [ "$(openssl enc -aes-256-cbc -salt -pbkdf2 -in "$FILE" -out "$OUTPUT_FILE" -k "$PASSWORD")" -eq 0 ]; then
                 printf "%b\n" "Encrypted: $OUTPUT_FILE"
             else
                 printf "%b\n" "Failed to encrypt: $FILE"
@@ -79,8 +79,8 @@ encrypt_file() {
             return
         fi
         mkdir -p "$(dirname "$OUTPUT_PATH")"
-        openssl enc -aes-256-cbc -salt -pbkdf2 -in "$INPUT_PATH" -out "$OUTPUT_PATH" -k "$PASSWORD"
+
-        if [ $? -eq 0 ]; then
+        if [ "$(openssl enc -aes-256-cbc -salt -pbkdf2 -in "$INPUT_PATH" -out "$OUTPUT_PATH" -k "$PASSWORD")" -eq 0 ]; then
             printf "%b\n" "Encrypted: $OUTPUT_PATH"
         else
             printf "%b\n" "Failed to encrypt: $INPUT_PATH"
@@ -107,11 +107,11 @@ decrypt_file() {
     if [ -d "$INPUT_PATH" ]; then
         # Decrypt each file in the directory
         find "$INPUT_PATH" -type f -name '*.enc' | while read -r FILE; do
-            REL_PATH="${FILE#$INPUT_PATH/}"
+            REL_PATH="${FILE#"$INPUT_PATH"/}"
             OUTPUT_FILE="$OUTPUT_PATH/${REL_PATH%.enc}"
             mkdir -p "$(dirname "$OUTPUT_FILE")"
-            openssl enc -aes-256-cbc -d -pbkdf2 -in "$FILE" -out "$OUTPUT_FILE" -k "$PASSWORD"
+
-            if [ $? -eq 0 ]; then
+            if [ "$(openssl enc -aes-256-cbc -d -pbkdf2 -in "$FILE" -out "$OUTPUT_FILE" -k "$PASSWORD")" -eq 0 ]; then
                 printf "%b\n" "Decrypted: $OUTPUT_FILE"
             else
                 printf "%b\n" "Failed to decrypt: $FILE"
@@ -124,8 +124,8 @@ decrypt_file() {
             return
         fi
         mkdir -p "$(dirname "$OUTPUT_PATH")"
-        openssl enc -aes-256-cbc -d -pbkdf2 -in "$INPUT_PATH" -out "$OUTPUT_PATH" -k "$PASSWORD"
+
-        if [ $? -eq 0 ]; then
+        if [ "$(openssl enc -aes-256-cbc -d -pbkdf2 -in "$INPUT_PATH" -out "$OUTPUT_PATH" -k "$PASSWORD")" -eq 0 ]; then
             printf "%b\n" "Decrypted: $OUTPUT_PATH"
         else
             printf "%b\n" "Failed to decrypt: $INPUT_PATH"
@@ -148,10 +148,10 @@ main(){
         esac
 
         printf "%b\n" "Press [Enter] to continue..."
-        read -r dummy
+        read -r _
     done
 }
 
 checkEnv
 checkEscalationTool
-main
+main

core/tabs/utils/monitor-control/set_brightness.sh

@@ -29,7 +29,7 @@ adjust_monitor_brightness() {
         if ! echo "$monitor_choice" | grep -qE '^[0-9]+$'; then
             printf "%b\n" "${RED}Invalid selection. Please try again.${RC}"
             printf "Press [Enter] to continue..."
-            read -r dummy
+            read -r _
             continue
         fi
 
@@ -37,7 +37,7 @@ adjust_monitor_brightness() {
         if [ "$monitor_choice" -lt 1 ] || [ "$monitor_choice" -gt "$monitor_count" ]; then
             printf "%b\n" "${RED}Invalid selection. Please try again.${RC}"
             printf "Press [Enter] to continue..."
-            read -r dummy
+            read -r _
             continue
         fi
 

core/tabs/utils/monitor-control/set_resolutions.sh

@@ -33,7 +33,7 @@ set_resolutions() {
         if ! echo "$monitor_choice" | grep -qE '^[0-9]+$' || [ "$monitor_choice" -lt 1 ] || [ "$monitor_choice" -gt "$((i - 1))" ]; then
             printf "%b\n" "${RED}Invalid selection. Please try again.${RC}"
             printf "%b\n" "Press [Enter] to continue..."
-            read -r dummy
+            read -r _
             continue
         fi
 

core/tabs/utils/ollama.sh

@@ -85,7 +85,8 @@ run_model() {
     printf "%b\n" "${installed_models}"
 
     printf "%b\n" "${YELLOW}Custom Models${RC}"
-    custom_models=$(ollama list | grep 'custom-model-prefix') 
+    custom_models=$(ollama list | grep 'custom-model-prefix')
+    printf "%b\n" "${custom_models}"
 
     printf "%b" "Select a model to run: "
     printf "%b" "Enter the number corresponding to the model or enter the name of a custom model: "
@@ -195,7 +196,7 @@ menu() {
         esac
 
         printf "%b\n" "${YELLOW}Press Enter to continue...${RC}"
-        read -r dummy
+        read -r _
     done
 }
 

core/tabs/utils/samba-ssh-setup.sh

@@ -173,7 +173,7 @@ setup_ssh_samba(){
     printf "%b\n" "5. Exit"
 
     printf "%b" "Enter your choice (1-5): "
-    read CHOICE
+    read -r CHOICE
 
     case "$CHOICE" in
         1)
@@ -205,4 +205,4 @@ setup_ssh_samba(){
 
 checkEnv
 checkEscalationTool
-setup_ssh_samba
+setup_ssh_samba

core/tabs/utils/service-control.sh

@@ -267,10 +267,10 @@ main() {
         esac
 
         printf "%b\n" "Press [Enter] to continue..."
-        read -r dummy
+        read -r _
     done
 }
 
 checkEnv
 checkEscalationTool
-main
+main

core/tabs/utils/timeshift.sh

@@ -67,6 +67,7 @@ create_snapshot() {
         "$ESCALATION_TOOL" timeshift --create --comments "$COMMENT" --tags "$TAG"
     fi
 
+    # shellcheck disable=SC2181
     if [ $? -eq 0 ]; then
         printf "%b\n" "${GREEN}Snapshot created successfully.${RC}"
     else
@@ -93,6 +94,7 @@ restore_snapshot() {
         "$ESCALATION_TOOL" timeshift --restore --snapshot "$SNAPSHOT" --target-device "$TARGET_DEVICE" --grub-device "$GRUB_DEVICE" --yes
     fi
 
+    # shellcheck disable=SC2181
     if [ $? -eq 0 ]; then
         printf "%b\n" "${GREEN}Snapshot restored successfully.${RC}"
     else
@@ -110,6 +112,7 @@ delete_snapshot() {
     printf "%b\n" "${YELLOW}Deleting snapshot $SNAPSHOT...${RC}"
     "$ESCALATION_TOOL" timeshift --delete --snapshot "$SNAPSHOT" --yes
 
+    # shellcheck disable=SC2181
     if [ $? -eq 0 ]; then
         printf "%b\n" "${GREEN}Snapshot deleted successfully.${RC}"
     else
@@ -126,6 +129,7 @@ delete_all_snapshots() {
     if [ "$CONFIRMATION" = "y" ] || [ "$CONFIRMATION" = "Y" ]; then
         printf "%b\n" "${CYAN}Deleting all snapshots...${RC}"
         "$ESCALATION_TOOL" timeshift --delete-all --yes
+        # shellcheck disable=SC2181
         if [ $? -eq 0 ]; then
             printf "%b\n" "${GREEN}All snapshots deleted successfully.${RC}"
         else
@@ -153,7 +157,7 @@ main_menu() {
             *) printf "%b\n" "${RED}Invalid option. Please try again.${RC}" ;;
         esac
         printf "%b\n" "${CYAN}Press Enter to continue...${RC}"
-        read -r dummy
+        read -r _
     done
 }
 

core/tabs/utils/user-account-manager/add_to_group.sh

@@ -33,7 +33,7 @@ addToGroup() {
     groups_to_add=$(echo "$groups" | tr ' ' ',')
 
     printf "%b" "${YELLOW}Are you sure you want to add user $username to $groups_to_add? [Y/n]: ${RC}"
-    read -r confirm
+    read -r _
     confirmAction || exit 1
 
     "$ESCALATION_TOOL" usermod -aG "$groups_to_add" "$username"
@@ -44,4 +44,4 @@ addToGroup() {
 checkEnv
 checkEscalationTool
 checkGroups
-addToGroup
+addToGroup

core/tabs/utils/user-account-manager/change_password.sh

@@ -17,7 +17,7 @@ changePassword() {
         read -r password
 
         printf "%b" "${YELLOW}Are you sure you want to change password for ""$username""? [Y/n]: ${RC}"
-        read -r confirm
+        read -r _
         confirmAction || exit 1
 
         echo "$username:$password" | "$ESCALATION_TOOL" chpasswd
@@ -30,4 +30,4 @@ changePassword() {
 
 checkEnv
 checkEscalationTool
-changePassword
+changePassword

core/tabs/utils/user-account-manager/delete_user.sh

@@ -14,7 +14,7 @@ deleteUser() {
 
     if id "$username" > /dev/null 2>&1; then
         printf "%b" "${YELLOW}Are you sure you want to delete user ""$username""? [Y/n]: ${RC}"
-        read -r confirm
+        read -r _
         confirmAction || exit 1
 
         $ESCALATION_TOOL userdel --remove "$username" 2>/dev/null
@@ -27,4 +27,4 @@ deleteUser() {
 
 checkEnv
 checkEscalationTool
-deleteUser
+deleteUser

core/tabs/utils/user-account-manager/remove_from_group.sh

@@ -34,14 +34,14 @@ removeFromGroup() {
     groups_to_remove=$(echo "$groups" | tr ' ' ',')
 
     printf "%b" "${YELLOW}Are you sure you want to remove user $username from $groups_to_remove? [Y/n]: ${RC}"
-    read -r confirm
+    read -r _
     confirmAction || exit 1
 
-    $ESCALATION_TOOL usermod -rG $groups_to_remove "$username"
+    $ESCALATION_TOOL usermod -rG "$groups_to_remove" "$username"
 
     printf "%b\n" "${GREEN}User successfully removed from $groups_to_remove${RC}"
 }
 
 checkEnv
 checkEscalationTool
-removeFromGroup
+removeFromGroup

core/tabs/utils/utility_functions.sh

@@ -30,6 +30,7 @@ execute_command() {
     command="$1"
     printf "Executing: %s\n" "$command"
     eval "$command" 2>&1 | tee /tmp/xrandr.log | tail -n 20
+    # shellcheck disable=SC2181
     if [ $? -ne 0 ]; then
         printf "%b\n" "${RED}An error occurred while executing the command. Check /tmp/xrandr.log for details.${RC}"
     fi

core/tabs/utils/wifi-control.sh

@@ -75,33 +75,33 @@ scan_networks() {
         echo "$networks" | awk -F: '{printf("%d. SSID: %-25s \n", NR, $1)}'
     fi
     printf "%b\n" "Press any key to return to the main menu..."
-    read -r dummy
+    read -r _
 }
 
 # Function to turn WiFi on
 wifi_on() {
     clear
     printf "%b\n" "${YELLOW}Turning WiFi on...${RC}"
-    nmcli radio wifi on && {
+    if "$(nmcli radio wifi on)"; then
         printf "%b\n" "${GREEN}WiFi is now turned on.${RC}"
-    } || {
+    else
         printf "%b\n" "${RED}Failed to turn on WiFi.${RC}"
-    }
+    fi
     printf "%b\n" "Press any key to return to the main menu..."
-    read -r dummy
+    read -r _
 }
 
 # Function to turn WiFi off
 wifi_off() {
     clear
     printf "%b\n" "${YELLOW}Turning WiFi off...${RC}"
-    nmcli radio wifi off && {
+    if "$(nmcli radio wifi off)"; then
         printf "%b\n" "${GREEN}WiFi is now turned off.${RC}"
-    } || {
+    else
         printf "%b\n" "${RED}Failed to turn off WiFi.${RC}"
-    }
+    fi
     printf "%b\n" "Press any key to return to the main menu..."
-    read -r dummy
+    read -r _
 }
 
 # Function to prompt for WiFi network selection
@@ -118,7 +118,7 @@ prompt_for_network() {
         if [ -z "$networks" ]; then
             printf "%b\n" "${RED}No networks available. Please scan for networks first.${RC}"
             printf "%b\n" "Press any key to return to the main menu..."
-            read -r dummy
+            read -r _
             rm -f "$temp_file"
             return
         fi
@@ -142,18 +142,18 @@ prompt_for_network() {
                 printf "%b" "Enter password for SSID: " "$ssid"
                 read -r password
                 printf "\n"
-                nmcli dev wifi connect "$ssid" password "$password" && {
+                if "$(nmcli dev wifi connect "$ssid" password "$password")"; then
                     printf "%b\n" "${GREEN}$success_msg${RC}"
-                } || {
+                else
                     printf "%b\n" "${RED}$failure_msg${RC}"
-                }
+                fi
             fi
         else
             printf "%b\n" "${RED}Invalid choice. Please try again.${RC}"
         fi
 
         printf "%b\n" "Press any key to return to the selection menu..."
-        read -r dummy
+        read -r _
     done
 
     rm -f "$temp_file"
@@ -178,4 +178,4 @@ remove_network() {
 checkEnv
 checkEscalationTool
 setupNetworkManager
-main_menu
+main_menu