don't fail on missing /etc/passwd (fix issue with previous commit) #55

x11docker

@@ -1684,7 +1684,7 @@ $Customenvironment"    ;  shift ;;                         # set custom environm
 #  getent passwd $Hostuser >/dev/null 2>&1 || error "Could not find user '$Hostuser' in /etc/passwd."
   getent passwd $Hostuser >/dev/null 2>&1 || {
     [ -e /etc/passwd ] || warning "Your system misses /etc/passwd"
-    error "Could not find user '$Hostuser' in /etc/passwd."
+    warning "Could not find user '$Hostuser' in /etc/passwd."
   }
   Hostuser=$(id -un $Hostuser)
   Hostuseruid=$(id -u $Hostuser)
@@ -1744,7 +1744,7 @@ $Customenvironment"    ;  shift ;;                         # set custom environm
 
   verbose "x11docker version $Version 
 docker version: $(docker --version)
-Host system:    $(source /etc/os-release ; echo "$PRETTY_NAME")
+Host system:    $(source /etc/os-release 2>/dev/null; echo "$PRETTY_NAME")
 Command:        $0 $X11dockerargs
 Parsed options: $Parsedoptions"
   Wisdom="$(fortune -s 2>/dev/null || echo "Install fortunes to find wisdom.")"
@@ -2745,7 +2745,7 @@ After finish: $Logbackup"
   [ "$Xaxis" -gt "$Maxxaxis" ] && Maxxaxis=$Xaxis
   [ "$Yaxis" -gt "$Maxyaxis" ] && Maxyaxis=$Yaxis
 
-  Modeline="$(cvt $Xaxis $Yaxis | tail -n1 | cut -d' ' -f2-)"
+  command -v cvt >/dev/null && Modeline="$(cvt $Xaxis $Yaxis | tail -n1 | cut -d' ' -f2-)"
 
   # kill dummy Xwayland process
   checkpid $Xwaylandpid && {
@@ -3858,7 +3858,7 @@ done
       [ -e "$Tinibinary" ]                                      || Tinibinary="/snap/docker/current/usr/bin/docker-init" 
       [ -e "/usr/local/share/x11docker/tini-static" ]           && Tinibinary="/usr/local/share/x11docker/tini-static"
       [ -e "$Hostuserhome/.local/share/x11docker/tini-static" ] && Tinibinary="$Hostuserhome/.local/share/x11docker/tini-static"
-      Tinibinary="$(realpath "$Tinibinary")"
+      Tinibinary="$(realpath "$Tinibinary" 2>/dev/null)"
       [ -e "$Tinibinary" ] || Tinibinary=""
       [ "$Tinibinary" ] && {
         [ -x "$Tinibinary" ] || {