#!/usr/bin/env bash

set -e

# This is run by git submodule foreach inside the coreos-update-submodule script
# Some info is passed via variable. 
if [ -z "$sm_path" ]; then
    echo "This scripts should not be run directly"
    exit 1
fi

UPSTREAM_URL=$(git config --file "${toplevel}/.gitmodules"  --get "submodule.${name}.upstream-url")
DOWNSTREAM_URL=$(git config --file "${toplevel}/.gitmodules"  --get "submodule.${name}.url")
TRACKING_BRANCH=$(git config --file "${toplevel}/.gitmodules"  --get "submodule.${name}.branch")

echo "Pull $TRACKING_BRANCH from ${UPSTREAM_URL} and pushing to ${DOWNSTREAM_URL}"

git pull "${UPSTREAM_URL}" "${TRACKING_BRANCH}" --ff-only
git push "${DOWNSTREAM_URL}" "${TRACKING_BRANCH}"