Merge 72253796-conditional-basic-auth to master

[Completes #72253796]

Author: nebhale

.idea/copyright/profiles_settings.xml

@@ -257,10 +257,9 @@
   </component>
   <component name="NewModuleRootManager" inherit-compiler-output="false">
     <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/lib/java_buildpack" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/bin" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/spec/bin" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/spec/java_buildpack" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/lib" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/spec" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/.idea" />
       <excludeFolder url="file://$MODULE_DIR$/.yardoc" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
@@ -303,7 +302,7 @@
     <orderEntry type="library" scope="PROVIDED" name="yard (v0.8.7.4, rbenv: 1.9.3-p545) [gem]" level="application" />
   </component>
   <component name="RModuleSettingsStorage">
-    <LOAD_PATH number="2" string0="$MODULE_DIR$/lib" string1="$MODULE_DIR$/spec" />
+    <LOAD_PATH number="4" string0="$MODULE_DIR$/lib" string1="$MODULE_DIR$/spec" string2="$MODULE_DIR$/bin" string3="$MODULE_DIR$/spec/bin" />
     <I18N_FOLDERS number="0" />
   </component>
 </module>

java-buildpack.iml

@@ -242,7 +242,7 @@ def update(uri, cached_file)
           proxy(uri).start(uri.host, uri.port, http_options(uri)) do |http|
             @logger.debug { "HTTP: #{http.address}, #{http.port}, #{http_options(uri)}" }
             request = request uri, cached_file
-            request.basic_auth uri.user, uri.password
+            request.basic_auth uri.user, uri.password if uri.user && uri.password
 
             failures = 0
             begin