lib/getopt/long.rb in getopt-1.3.4 vs lib/getopt/long.rb in getopt-1.3.5

@@ -3,15 +3,16 @@
    REQUIRED  = 0
    BOOLEAN   = 1
    OPTIONAL  = 2
    INCREMENT = 3
    NEGATABLE = 4
+   NUMERIC   = 5
 
    class LongError < StandardError; end
 
    class Long
-      VERSION = "1.3.4"
+      VERSION = '1.3.5'
 
       # Takes an array of switches.  Each array consists of three elements.
       def self.getopts(*switches)
          if switches.empty?
             raise ArgumentError, "no switches provided"
@@ -31,23 +32,24 @@
          # Set our list of valid switches, and proper types for each switch
          switches.each{ |switch|
             valid.push(switch[0])       # Set valid long switches
 
             # Set type for long switch, default to BOOLEAN.
-            # Create synonym hash.  Default to first char of long switch for 
-            # short switch, e.g. "--verbose" creates a "-v" synonym.
             if switch[1].kind_of?(Fixnum)
                switch[2] = switch[1]
                types[switch[0]] = switch[2]
                switch[1] = switch[0][1..2]
             else
                switch[2] ||= BOOLEAN
                types[switch[0]] = switch[2]
                switch[1] ||= switch[0][1..2]
             end
 
-            syns[switch[0]] = switch[1]
-            syns[switch[1]] = switch[0]
+            # Create synonym hash.  Default to first char of long switch for 
+            # short switch, e.g. "--verbose" creates a "-v" synonym.  The same
+            # synonym can only be used once - first one wins.
+            syns[switch[0]] = switch[1] unless syns[switch[1]]
+            syns[switch[1]] = switch[0] unless syns[switch[1]]
 
             switch[1].each{ |char|      
                types[char] = switch[2]  # Set type for short switch
                valid.push(char)         # Set valid short switches
             }