scripts/manage in rvm-0.1.2 vs scripts/manage in rvm-0.1.3

@@ -706,21 +706,28 @@
         result=$? ; if [[ "$result" -gt 0 ]] ; then
           $rvm_scripts_path/log "error" "There has been an error while trying to fetch the repository. Aborting the installation." ; __rvm_pushpop ; return $result
         fi
       fi
     else
-      if [[ ! -z "$rvm_head_flag" ]] || [[  "trunk" = "$rvm_ruby_revision" ]] ; then
-        rvm_url="${rvm_url:-"$rvm_ruby_repo_url/trunk"}"
-        rvm_rev=""
-      elif [[ ! -z "$rvm_ruby_tag" ]] ; then
+      if [[ ! -z "$rvm_ruby_tag" ]] ; then
         # TODO: Check if tag v is valid
         rvm_url="${rvm_url:-"$rvm_ruby_repo_url/tags/$(echo $rvm_ruby_tag | sed 's/^t//')"}"
-        rvm_rev=""
-      elif [[ "$rvm_major_version.$rvm_minor_version" = "8.8" ]] ; then
+      elif [[ -z "$rvm_ruby_version" ]] && [[ ! -z "$rvm_head_flag" ]] ; then
+        rvm_url="${rvm_url:-"$rvm_ruby_repo_url/trunk"}"
+      elif [[  "$rvm_major_version" = "9" ]] ; then
+        if [[ -z "$rvm_minor_version" ]] || [[ "$rvm_minor_version" = 2 ]] ; then
+          rvm_url="${rvm_url:-"$rvm_ruby_repo_url/trunk"}"
+        else
+          rvm_url="${rvm_url:-"$rvm_ruby_repo_url/branches/ruby_1_${rvm_major_version}_${rvm_minor_version}"}"
+        fi
+      elif [[ -z "$rvm_minor_version" ]] || [[ "$rvm_major_version.$rvm_minor_version" = "8.8" ]] ; then
         rvm_url="${rvm_url:-"$rvm_ruby_repo_url/branches/ruby_1_${rvm_major_version}"}"
-        rvm_rev="-$rvm_ruby_revision"
       else
         rvm_url="${rvm_url:-"$rvm_ruby_repo_url/branches/ruby_1_${rvm_major_version}_${rvm_minor_version}"}"
+      fi
+
+      rvm_rev=""
+      if [ ! -z "$rvm_ruby_revision" ] ; then
         rvm_rev="-$rvm_ruby_revision"
       fi
 
       if [[ -d "$rvm_ruby_src_path/.svn" ]] ; then
         builtin cd $rvm_ruby_src_path