#!/bin/sh

################################################################################################################################################################

#

# "AM" INSTALL, version 20250702

#

################################################################################################################################################################

# Colors

RED='\033[0;31m'; LightBlue='\033[1;34m'; Green='\033[0;32m'

# For developers

[ -z "$AM_BRANCH" ] && AM_BRANCH="main"

# Check dependencies for this script

_check_dependency() {

AMDEPENDENCES="chmod chown curl grep wget"

for dependency in $AMDEPENDENCES; do

if ! command -v "$dependency" >/dev/null 2>&1; then

printf "\n %b💀 ERROR! MISSING ESSENTIAL COMMAND \033[0m: %b\n\n Install the above and try again! \n\n" "${RED}" "$dependency"

exit 1

fi

done

}

_check_dependency

if [ -z "${SUDO_USER:-$DOAS_USER}" ]; then

echo 'Please use sudo or doas'

exit 1

fi

# INSTALL "AM"

_prepare_am_directory() {

# CREATE AND ENTER THE MAIN DIRECTORY FOR "AM"

mkdir -p /opt/am/modules /usr/local/bin && cd /opt/am || exit 1

# CREATE THE SCRIPT NEEDED TO UNINSTALL "AM"

printf '#!/bin/sh\n\nset -e\n' > /opt/am/remove

printf '\n%s\n' 'if [ "$(id -u)" -ne 0 ]; then echo "Permission denied"; exit 1; fi' >> /opt/am/remove

printf '%s\n' 'rm -f /usr/local/bin/am' >> /opt/am/remove

printf '%s\n' 'rm -R -f /opt/am' >> /opt/am/remove

chmod a+x /opt/am/remove || exit 1

# DOWNLOAD THE MAIN SCRIPT

if ! wget -q "https://raw.githubusercontent.com/ivan-hc/AM/$AM_BRANCH/APP-MANAGER"; then

echo "💀 ERROR: Cannot download am"

exit 1

fi

chmod a+x /opt/am/APP-MANAGER

# LINK THE MAIN SCRIPT IN $PATH

if uname -a | grep -qi "Linux deck \|Linux steamdeck "; then

[ -d "/home/${SUDO_USER:-$DOAS_USER}" ] && BINDIR="/home/${SUDO_USER:-$DOAS_USER}/.local/bin" || BINDIR=""

[ -n "$BINDIR" ] && mkdir -p "$BINDIR" && ln -fs /opt/am/APP-MANAGER "$BINDIR"/am 2>/dev/null && sed -i "s#/usr/local/bin#$BINDIR#g" /opt/am/remove

else

ln -fs /opt/am/APP-MANAGER /usr/local/bin/am 2>/dev/null || printf "${RED}WARNING: Couldn't link am to \"/usr/local/bin/am\"!\033[0m\n"

fi

}

_download_am_modules() {

# DOWNLOAD MODULES

cd /opt/am/modules || exit

MODULES=$(curl -Ls "https://raw.githubusercontent.com/ivan-hc/AM/$AM_BRANCH/APP-MANAGER" | tr '"' '\n' | grep "[a-z]\.am$")

if [ -z "$MODULES" ]; then

echo "💀 ERROR: Cannot download am modules"

exit 1

fi

for module_name in $MODULES; do

if [ ! -f ./"$module_name" ]; then

echo " ◆ Downloading $module_name..."

wget -q "https://raw.githubusercontent.com/ivan-hc/AM/$AM_BRANCH/modules/$module_name"

chmod a+x ./"$module_name"

fi

done

cd ..

# ENABLE NON-ROOT PERMISSIONS TO THE MAIN DIRECTORY FOR THE CURRENT USER

chown -R "${SUDO_USER:-$DOAS_USER}" /opt/am

}

echo '--------------------------------------------------------------------------'

printf " ${Green}Installing \"AM\" in /opt/am\033[0m\n"

_prepare_am_directory

echo '--------------------------------------------------------------------------'

printf " ${Green}Installing modules\033[0m\n"

_download_am_modules

echo '--------------------------------------------------------------------------'

printf " ${Green}\"AM\" has been successfully installed!\033[0m\n"

printf " Please, run \"${LightBlue}am -h\033[0m\" to see the list of the options.\n"

echo '--------------------------------------------------------------------------'