epm: skip all args with spaces (we don't support it)

bin/epm

@@ -409,18 +409,27 @@ check_option()
     return 0
 }
 
+has_space()
+{
+    [ -n "$2" ]
+}
+
 check_filenames()
 {
     local opt
     for opt in "$@" ; do
         # files can be with full path or have extension via .
         if [ -f "$opt" ] && echo "$opt" | grep -q "[/\.]" ; then
+            has_space $opt && warning "There are space(s) in filename '$opt', it is not supported. Skipped" && continue
             pkg_files="$pkg_files $opt"
         elif [ -d "$opt" ] ; then
+            has_space $opt && warning "There are space(s) in directory path '$opt', it is not supported. Skipped" && continue
             pkg_dirs="$pkg_dirs $opt"
         elif echo "$opt" | grep -q "://" ; then
+            has_space $opt && warning "There are space(s) in URL '$opt', it is not supported. Skipped" && continue
             pkg_urls="$pkg_urls $opt"
         else
+            has_space $opt && warning "There are space(s) in package name '$opt', it is not supported. Skipped" && continue
             pkg_names="$pkg_names $opt"
         fi
         quoted_args="$quoted_args \"$opt\""