chore(scripts): only show the private diff size warning on train builds

release.sh

@@ -380,25 +380,25 @@ echo "  https://github.com/mozilla/fxa/compare/$TRAIN_BRANCH?expand=1"
 echo "  https://github.com/mozilla/fxa-private/compare/$PRIVATE_BRANCH?expand=1"
 echo
 
-PRIVATE_DIFF_SIZE=`git diff "$PRIVATE_BRANCH..$PRIVATE_DIFF_FROM" | wc -l | awk '{$1=$1};1'`
-IS_BIG_RELEASE=`expr "$PRIVATE_DIFF_SIZE" \> 300`
-if [ "$IS_BIG_RELEASE" = "1" ]; then
-  echo "The diff for the private release is pretty big. You may want to add the following comment to that PR:"
-  echo
-  echo "> There's no need to review every line of this diff, since it includes every commit from the release. Instead you can do the following:"
-  echo ">"
-  echo '> ```'
-  echo "> git fetch origin $TRAIN_BRANCH"
-  echo "> git fetch $PRIVATE_REMOTE $PRIVATE_BRANCH"
-  echo "> git checkout -b $PRIVATE_BRANCH $PRIVATE_REMOTE/$PRIVATE_BRANCH"
-  echo "> git diff origin/$TRAIN_BRANCH"
-  echo '> ```'
-  echo ">"
-  echo "> That diff should show only the changes from the private repo, proving that the $TRAIN_BRANCH branches are equal in other respects."
-  echo
-fi
-
 if [ "$BUILD_TYPE" = "Train" ]; then
+  PRIVATE_DIFF_SIZE=`git diff "$PRIVATE_BRANCH..$PRIVATE_DIFF_FROM" | wc -l | awk '{$1=$1};1'`
+  IS_BIG_RELEASE=`expr "$PRIVATE_DIFF_SIZE" \> 400`
+  if [ "$IS_BIG_RELEASE" = "1" ]; then
+    echo "The diff for the private release is pretty big. You may want to add the following comment to that PR:"
+    echo
+    echo "> There's no need to review every line of this diff, since it includes every commit from the release. Instead you can do the following:"
+    echo ">"
+    echo '> ```'
+    echo "> git fetch origin $TRAIN_BRANCH"
+    echo "> git fetch $PRIVATE_REMOTE $PRIVATE_BRANCH"
+    echo "> git checkout -b $PRIVATE_BRANCH $PRIVATE_REMOTE/$PRIVATE_BRANCH"
+    echo "> git diff origin/$TRAIN_BRANCH"
+    echo '> ```'
+    echo ">"
+    echo "> That diff should show only the changes from the private repo, proving that the $TRAIN_BRANCH branches are equal in other respects."
+    echo
+  fi
+
   echo "If there's no deploy bug for $TRAIN_BRANCH yet, you should create one using this URL:"
   echo
   echo "  $DEPLOY_BUG_URL"