Create Switch_To_Other_Session.sh

Author: michal92299

HackerOS/Scripts/Bin/Switch_To_Other_Session.sh

@@ -0,0 +1,222 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+LOGFILE="/var/log/switch_session.log"
+exec 3>&1 1>>"$LOGFILE" 2>&1
+
+# Helpers
+log() { echo "$(date +'%F %T') - $*" >&3; }
+user_name() {
+  # Prefer SUDO_USER when run with sudo, otherwise $USER
+  if [ -n "${SUDO_USER:-}" ]; then
+    echo "$SUDO_USER"
+  else
+    echo "${USER:-$(whoami)}"
+  fi
+}
+
+current_vt() {
+  if command -v fgconsole >/dev/null 2>&1; then
+    fgconsole 2>/dev/null || echo "$(who | awk '/:0/{print $2; exit}' || true)"
+  else
+    who | awk '/:0/{print $2; exit}' || true
+  fi
+}
+
+is_running() {
+  # is_running <process-name-or-fullpath>
+  pkill -0 -f "$1" >/dev/null 2>&1
+}
+
+prompt() {
+  zenity --info --width=450 --text="$1"
+}
+
+error_box() {
+  zenity --error --width=520 --text="$1"
+}
+
+confirm() {
+  zenity --question --width=520 --text="$1" && return 0 || return 1
+}
+
+# Start a command on a specific vt as the original user
+start_on_vt() {
+  local vt="$1"; shift
+  local cmd="$*"
+  local u="$(user_name)"
+
+  log "Starting on VT${vt}: $cmd (user: $u)"
+
+  # openvt starts a program on the given VT. Use su to run as the user.
+  if command -v openvt >/dev/null 2>&1; then
+    openvt -s -w -- su - "$u" -c "(exec setsid $cmd)" >/dev/null 2>&1 || return 1
+  else
+    # fallback: use chvt + nohup
+    su - "$u" -c "nohup sh -c '$cmd' >/dev/null 2>&1 &" || return 1
+  fi
+}
+
+switch_vt() {
+  local vt="$1"
+  log "Switching to VT$vt"
+  if [ "$(id -u)" -ne 0 ]; then
+    # try pkexec to run chvt as root
+    if command -v pkexec >/dev/null 2>&1; then
+      pkexec chvt "$vt" || return 1
+    else
+      sudo chvt "$vt" || return 1
+    fi
+  else
+    chvt "$vt" || return 1
+  fi
+}
+
+# Detect sessions
+detect_desktop() {
+  if is_running plasmashell || is_running startplasma || is_running kwin; then
+    echo "kde"
+  elif is_running wayfire || is_running wf-shell || is_running wayfired; then
+    echo "wayfire"
+  elif [ -x "/usr/share/HackerOS/Scripts/Bin/hacker_mode.sh" ] || [ -x "/usr/share/HackerOS/Scripts/HackerOS-Apps/Hacker-Mode" ]; then
+    echo "hacker-capable"
+  else
+    echo "unknown"
+  fi
+}
+
+# Commands to launch
+plasma_cmd() {
+  # prefer startplasma-wayland if present, else startplasma-x11, else plasmashell
+  if command -v startplasma-wayland >/dev/null 2>&1; then
+    echo "startplasma-wayland"
+  elif command -v startplasma-x11 >/dev/null 2>&1; then
+    echo "startplasma-x11"
+  elif command -v plasmashell >/dev/null 2>&1; then
+    echo "plasmashell"
+  else
+    echo ""
+  fi
+}
+
+wayfire_cmd() {
+  if command -v wayfire >/dev/null 2>&1; then
+    echo "wayfire"
+  else
+    echo ""
+  fi
+}
+
+hacker_cmd() {
+  if [ -x "/usr/share/HackerOS/Scripts/HackerOS-Apps/Hacker-Mode" ]; then
+    echo "/usr/share/HackerOS/Scripts/HackerOS-Apps/Hacker-Mode"
+  elif [ -x "/usr/share/HackerOS/Scripts/Bin/hacker_mode.sh" ]; then
+    echo "/usr/share/HackerOS/Scripts/Bin/hacker_mode.sh"
+  else
+    echo ""
+  fi
+}
+
+# GUI selection
+CHOICE=$(zenity --list --title="Wybierz sesję" --height=240 --width=420 --column="Opcja" "KDE (Plasma)" "Wayfire" "Hacker Mode" --text="Wybierz na jaką sesję chcesz się przełączyć:") || exit 1
+
+log "User chose: $CHOICE"
+
+CURRENT_DESKTOP=$(detect_desktop)
+CURRENT_VT=$(current_vt || echo "unknown")
+log "Detected current desktop: $CURRENT_DESKTOP, VT: $CURRENT_VT"
+
+case "$CHOICE" in
+  "KDE (Plasma)")
+    # Target: VT2. Current: if on KDE then don't show option? The user asked: if already KDE then don't show 'przelacz na kde' - but we can't re-prompt now, so check and warn.
+    if [ "$CURRENT_DESKTOP" = "kde" ]; then
+      zenity --info --text="Wygląda na to, że jesteś już w KDE (Plasma). Nic do zrobienia." || true
+      exit 0
+    fi
+
+    TARGET_VT=2
+    PL_CMD="$(plasma_cmd)"
+    if [ -z "$PL_CMD" ]; then
+      error_box "Nie znaleziono polecenia uruchamiającego Plasma (search: startplasma-wayland / startplasma-x11 / plasmashell). Upewnij się, że masz zainstalowane pakiety Plasma."
+      exit 1
+    fi
+
+    # Start plasma on VT2 if not running
+    if ! is_running plasmashell && ! is_running startplasma; then
+      if confirm "Plasma nie jest uruchomiona — chcesz ją uruchomić na tty${TARGET_VT}?"; then
+        start_on_vt "$TARGET_VT" "$PL_CMD" || error_box "Nie udało się uruchomić Plasma na vt${TARGET_VT}. Sprawdź logi."
+        sleep 2
+      else
+        exit 0
+      fi
+    fi
+    switch_vt "$TARGET_VT" || error_box "Nie udało się przełączyć na vt${TARGET_VT}."
+    ;;
+
+  "Wayfire")
+    if [ "$CURRENT_DESKTOP" = "wayfire" ]; then
+      zenity --info --text="Wygląda na to, że jesteś już w Wayfire. Nic do zrobienia." || true
+      exit 0
+    fi
+
+    TARGET_VT=4
+    WF_CMD="$(wayfire_cmd)"
+    if [ -z "$WF_CMD" ]; then
+      error_box "Nie znaleziono programu wayfire. Zainstaluj wayfire lub popraw ścieżkę."; exit 1
+    fi
+
+    if ! is_running wayfire; then
+      if confirm "Wayfire nie jest uruchomiony — chcesz go uruchomić na tty${TARGET_VT}?"; then
+        start_on_vt "$TARGET_VT" "$WF_CMD" || error_box "Nie udało się uruchomić Wayfire na vt${TARGET_VT}."
+        sleep 2
+      else
+        exit 0
+      fi
+    fi
+    switch_vt "$TARGET_VT" || error_box "Nie udało się przełączyć na vt${TARGET_VT}."
+    ;;
+
+  "Hacker Mode")
+    # Always show Hacker Mode option
+    H_CMD="$(hacker_cmd)"
+    if [ -z "$H_CMD" ]; then
+      error_box "Nie znaleziono skryptu Hacker Mode w /usr/share/HackerOS/Scripts/."; exit 1
+    fi
+
+    # Determine which vt we are switching from per spec: "przelacz z tty2 (jezeli plasma) lub z tty4 jezeli wayfire"
+    if [ "$CURRENT_DESKTOP" = "kde" ]; then
+      FROM_VT=2
+    elif [ "$CURRENT_DESKTOP" = "wayfire" ]; then
+      FROM_VT=4
+    else
+      # If unknown, ask user
+      if confirm "Nie wykryto aktywnej sesji KDE/Wayfire. Przełączyć na Hacker Mode na tty3?"; then
+        :
+      else
+        exit 0
+      fi
+      FROM_VT="auto"
+    fi
+
+    TARGET_VT=3
+
+    # Start hacker mode if not running
+    if ! is_running "$H_CMD" && ! is_running hacker_mode.sh; then
+      if confirm "Hacker Mode nie jest uruchomiony — chcesz go uruchomić na tty${TARGET_VT}?"; then
+        start_on_vt "$TARGET_VT" "$H_CMD" || error_box "Nie udało się uruchomić Hacker Mode.";
+        sleep 1
+      else
+        exit 0
+      fi
+    fi
+
+    switch_vt "$TARGET_VT" || error_box "Nie udało się przełączyć na vt${TARGET_VT}."
+    ;;
+  *)
+    exit 0
+    ;;
+esac
+
+zenity --info --text="Przełączanie zakończone. Sprawdź $LOGFILE dla szczegółów." || true
+exit 0