Fix root check

src/main.sh

@@ -1,6 +1,9 @@
 #!/bin/sh
 
-[ -z "$opt_f" ] && root_check || exit 10
+if [ -z "$opt_f" ] ; then
+  root_check || exit 10
+fi
+
 
 if [ -n "$1" ]
 then
@@ -88,7 +91,6 @@ then
     then
       echo "No package specified" > /dev/stderr
     else
-      root_check
       shift 1
       for I in $*
       do

src/util.sh

@@ -29,7 +29,7 @@ root_check()
   if [ "$(id | cut -d'=' -f2 | cut -d'(' -f1)" -eq 0 ]
   then
     echo "Cannot run as root" > /dev/stderr
-    return $1
+    return 1
   fi
   return 0
 }

src/view.sh

@@ -12,7 +12,7 @@ resolve_packages()
   cd "$PKG_PATH"
   for I in $*
   do
-    if ! grep -wq "^$I" pkglist
+    if ! grep -wq "^$I" pkglist 2>/dev/null
     then
       [ "$LOG" = "true" ] && echo "Package '$I' not found" > /dev/stderr
       RET=1
@@ -38,7 +38,7 @@ resolve_deps()
 is_installed()
 {
   cd "$PKG_PATH"
-  grep -qw "^$1" installed
+  grep -qw "^$1" installed 2>/dev/null
   return $?
 }