Use rails 4-0 branch

Author: JonRowe

script/clone_all_rspec_repos

@@ -12,7 +12,11 @@ if is_mri; then
   clone_repo "rspec-core"
   clone_repo "rspec-expectations"
   clone_repo "rspec-mocks"
-  clone_repo "rspec-rails"
+  if requires_rspec_rails_maintenance_branch; then
+    clone_repo "rspec-rails" "4-0-maintenance"
+  else
+    clone_repo "rspec-rails"
+  fi
 
   if rspec_support_compatible; then
     clone_repo "rspec-support"

script/functions.sh

@@ -19,7 +19,13 @@ fi
 
 function clone_repo {
   if [ ! -d $1 ]; then # don't clone if the dir is already there
-    travis_retry eval "git clone https://github.com/rspec/$1 --depth 1 --branch $MAINTENANCE_BRANCH"
+    if [ -z "$2" ]; then
+      BRANCH_TO_CLONE="${MAINTENANCE_BRANCH?}";
+    else
+      BRANCH_TO_CLONE="$2";
+    fi;
+
+    travis_retry eval "git clone https://github.com/rspec/$1 --depth 1 --branch ${BRANCH_TO_CLONE?}"
   fi;
 }
 

script/predicate_functions.sh

@@ -81,6 +81,14 @@ function rspec_rails_compatible {
   fi
 }
 
+function requires_rspec_rails_maintenance_branch {
+  if [ "$MAINTENANCE_BRANCH" == "3-10-maintenance" ]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
 function rspec_support_compatible {
   if [ "$MAINTENANCE_BRANCH" != "2-99-maintenance" ] && [ "$MAINTENANCE_BRANCH" != "2-14-maintenance" ]; then
     return 0