fix: dynamically detect user and home directory in setup script

scripts/setup.sh

@@ -12,13 +12,20 @@ if [ -z "$REPO_URL" ]; then
     exit 1
 fi
 
-# 0. ROOT CHECK (Robust)
+# 0. ROOT & USER DETECTION
 if [ "$(id -u)" -ne 0 ]; then
   echo "ERROR: This script must be run as root."
   echo "Please use: sudo bash $0 $@"
   exit 1
 fi
 
+# Detect the real user who called sudo
+REAL_USER=${SUDO_USER:-$(logname)}
+REAL_HOME=$(eval echo "~$REAL_USER")
+
+echo "Target User: $REAL_USER"
+echo "Target Home: $REAL_HOME"
+
 # 1. INTERROGATION PHASE
 echo "Interrogating user for configuration..."
 
@@ -34,7 +41,6 @@ WIFI_SSID=${WIFI_SSID:-MPVJ-AP}
 while true; do
   WIFI_COUNTRY=$(whiptail --inputbox "Enter 2-letter Country Code (e.g. US, GB, DE)" 8 45 "US" --title "WiFi Country Configuration" 3>&1 1>&2 2>&3 < /dev/tty) || exit 1
   WIFI_COUNTRY=$(echo "$WIFI_COUNTRY" | tr '[:lower:]' '[:upper:]')
-  # Portable regex check using grep
   if ! echo "$WIFI_COUNTRY" | grep -qE "^[A-Z]{2}$"; then
     whiptail --msgbox "Error: Country Code must be exactly 2 letters (e.g., US)." 8 45 < /dev/tty
   else
@@ -143,6 +149,8 @@ EOF
 # 3.3 dhcpcd
 if ! grep -q "interface wlan0" /etc/dhcpcd.conf; then
 cat <<EOF >> /etc/dhcpcd.conf
+
+# MPVJ wlan0 Static IP
 interface wlan0
     static ip_address=192.168.4.1/24
     nohook wpa_supplicant
@@ -167,19 +175,19 @@ sed -i 's/#use-ipv4-ll=yes/use-ipv4-ll=yes/g' /etc/avahi/avahi-daemon.conf
 echo "Deploying Application..."
 
 # 4.1 Clone
-[ -d /home/pi/mpvj ] && mv /home/pi/mpvj /home/pi/mpvj.old.$(date +%s)
-git clone "$REPO_URL" /home/pi/mpvj
-mkdir -p /home/pi/media
-chown -R pi:pi /home/pi/mpvj /home/pi/media
+[ -d "$REAL_HOME/mpvj" ] && mv "$REAL_HOME/mpvj" "$REAL_HOME/mpvj.old.$(date +%s)"
+sudo -u "$REAL_USER" git clone "$REPO_URL" "$REAL_HOME/mpvj"
+mkdir -p "$REAL_HOME/media"
+chown -R "$REAL_USER:$REAL_USER" "$REAL_HOME/mpvj" "$REAL_HOME/media"
 
 # 4.2 Build
 export NODE_OPTIONS="--max-old-space-size=512"
-cd /home/pi/mpvj/backend
-sudo -u pi npm install --jobs 1
-cd /home/pi/mpvj/frontend
+cd "$REAL_HOME/mpvj/backend"
+sudo -u "$REAL_USER" npm install --jobs 1
+cd "$REAL_HOME/mpvj/frontend"
 if [ ! -d "dist" ]; then
-  sudo -u pi npm install --jobs 1
-  sudo -u pi npm run build
+  sudo -u "$REAL_USER" npm install --jobs 1
+  sudo -u "$REAL_USER" npm run build
 fi
 
 # 4.3 Systemd
@@ -190,8 +198,8 @@ After=network.target
 
 [Service]
 Type=simple
-User=pi
-WorkingDirectory=/home/pi/mpvj/backend
+User=$REAL_USER
+WorkingDirectory=$REAL_HOME/mpvj/backend
 ExecStart=/usr/bin/node index.js
 Restart=on-failure
 Environment=NODE_OPTIONS=--max-old-space-size=512
@@ -203,39 +211,39 @@ systemctl daemon-reload
 systemctl enable mpvj-backend.service
 
 # 4.4 .env
-cat <<EOF > /home/pi/mpvj/backend/.env
+cat <<EOF > "$REAL_HOME/mpvj/backend/.env"
 PORT=80
 MPVJ_HOSTNAME=$HOSTNAME
 MPVJ_SSID=$WIFI_SSID
 MPVJ_WIFI_PASS=$WIFI_PASS
 MPVJ_REPO_URL=$REPO_URL
-MPVJ_MEDIA_DIR=/home/pi/media
+MPVJ_MEDIA_DIR=$REAL_HOME/media
 EOF
-chown pi:pi /home/pi/mpvj/backend/.env
-chmod 600 /home/pi/mpvj/backend/.env
+chown "$REAL_USER:$REAL_USER" "$REAL_HOME/mpvj/backend/.env"
+chmod 600 "$REAL_HOME/mpvj/backend/.env"
 
 # 4.5 Install ofxPiMapper Engine
 echo "Installing OpenFrameworks and ofxPiMapper (This will take ~1 hour)..."
-cd /home/pi
+cd "$REAL_HOME"
 if [ ! -d "openFrameworks" ]; then
-  sudo -u pi git clone --depth 1 --branch master https://github.com/openframeworks/openFrameworks.git
+  sudo -u "$REAL_USER" git clone --depth 1 --branch master https://github.com/openframeworks/openFrameworks.git
   cd openFrameworks/scripts/linux/debian
   ./install_dependencies.sh -y > /dev/null 2>&1
   cd ../../../
   cd scripts/linux/debian
   ./install_codecs.sh > /dev/null 2>&1
   cd ../../../
-  make -j1 -C libs/openFrameworksCompiled/project/linux64 > /dev/null 2>&1
+  sudo -u "$REAL_USER" make -j1 -C libs/openFrameworksCompiled/project/linux64 > /dev/null 2>&1
 fi
 
-cd /home/pi/openFrameworks/addons
+cd "$REAL_HOME/openFrameworks/addons"
 if [ ! -d "ofxPiMapper" ]; then
-  sudo -u pi git clone https://github.com/kr15h/ofxPiMapper.git
-  sudo -u pi git clone https://github.com/vanderlin/ofxOfelia.git
+  sudo -u "$REAL_USER" git clone https://github.com/kr15h/ofxPiMapper.git
+  sudo -u "$REAL_USER" git clone https://github.com/vanderlin/ofxOfelia.git
 fi
 
 # Build Example with Highlight Patch
-cd /home/pi/openFrameworks/addons/ofxPiMapper
+cd "$REAL_HOME/openFrameworks/addons/ofxPiMapper"
 if [ -f src/Osc/OscControl.cpp ]; then
   echo "Applying highlight surface OSC listener modification..."
   sed -i '/if (m.getAddress() == "\/ofxPiMapper\/surface\/select"){/i \
@@ -246,8 +254,8 @@ if [ -f src/Osc/OscControl.cpp ]; then
     }' src/Osc/OscControl.cpp
 fi
 
-cd /home/pi/openFrameworks/addons/ofxPiMapper/example-basic
-sudo -u pi make -j1 > /dev/null 2>&1
+cd "$REAL_HOME/openFrameworks/addons/ofxPiMapper/example-basic"
+sudo -u "$REAL_USER" make -j1 > /dev/null 2>&1
 cp bin/example-basic /usr/local/bin/ofxPiMapper
 chmod +x /usr/local/bin/ofxPiMapper