lib/semmy/version_string.rb in semmy-0.2.0 vs lib/semmy/version_string.rb in semmy-0.2.1

@@ -30,21 +30,10 @@
       components << suffix
 
       components.join('.')
     end
 
-    def previous_minor(version)
-      components = version.split('.').map(&:to_i)
-
-      if components[1] == 0
-        fail(NoPreviousMinor, "Cannot get previous minor of #{version}.")
-      end
-
-      components[1] -= 1
-      components.join('.')
-    end
-
     def minor_only(version)
       version.split('.')[0..1].join('.')
     end
 
     def components(version)
@@ -53,8 +42,22 @@
       {
         major: components[0],
         minor: components[1],
         patch: components[2]
       }
+    end
+
+    def previous_version(version)
+      components = version.split('.').map(&:to_i)
+
+      if components[2] > 0
+        components[2] -= 1
+      elsif components[1] > 0
+        components[1] -= 1
+      else
+        fail(NoPreviousMinor, "Cannot get previous version of #{version}.")
+      end
+
+      components.join('.')
     end
   end
 end