first commit

etc_org/X11/Xsession.d/50x11-common_determine-startup

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+# $Id: 50x11-common_determine-startup 305 2005-07-03 18:51:43Z dnusinow $
+
+# This file is sourced by Xsession(5), not executed.
+
+# If no X session startup program was passed to the Xsession script as an
+# argument (e.g., by the display manager), or if that program was not
+# executable, fall back to looking for a user's custom X session script, if
+# allowed by the options file.
+if [ -z "$STARTUP" ]; then
+  if has_option allow-user-xsession; then
+    for STARTUPFILE in "$USERXSESSION" "$ALTUSERXSESSION"; do
+      if [ -e "$STARTUPFILE" ]; then
+        if [ -x "$STARTUPFILE" ]; then
+          STARTUP="$STARTUPFILE"
+        else
+          shell=${SHELL:-sh}
+          STARTUP="$shell $STARTUPFILE"
+        fi
+        break
+      fi
+    done
+  fi
+fi
+
+# If there is still nothing to use for a startup program, try the system
+# default session manager, window manager, and terminal emulator.
+if [ -z "$STARTUP" ]; then
+  if [ -x /usr/bin/x-session-manager ]; then
+    STARTUP=x-session-manager
+  elif [ -x /usr/bin/x-window-manager ]; then
+    STARTUP=x-window-manager
+  elif [ -x /usr/bin/x-terminal-emulator ]; then
+    STARTUP=x-terminal-emulator
+  fi
+fi
+
+# If we still have not found a startup program, give up.
+if [ -z "$STARTUP" ]; then
+  ERRMSG="unable to start X session ---"
+  if has_option allow-user-xsession; then
+    ERRMSG="$ERRMSG no \"$USERXSESSION\" file, no \"$ALTUSERXSESSION\" file,"
+  fi
+  errormsg "$ERRMSG no session managers, no window managers, and no terminal" \
+           "emulators found; aborting."
+fi
+
+# vim:set ai et sts=2 sw=2 tw=80: