bugfix: git clone correct branch

examples/git.rootprojects.org/root/gitdeploy/deploy.sh

@@ -12,7 +12,7 @@ echo "Deploying ${GIT_REPO_ID}#${GIT_REF_NAME} ..."
 # See the Git Credentials Cheat Sheet
 # https://coolaj86.com/articles/vanilla-devops-git-credentials-cheatsheet/
 my_tmp="$(mktemp -d -t "tmp.XXXXXXXXXX")"
-git clone --depth=1 "${GIT_CLONE_URL}" "${my_tmp}/${GIT_REPO_NAME}"
+git clone --depth=1 "${GIT_CLONE_URL}" -b "${GIT_REF_NAME}" "${my_tmp}/${GIT_REPO_NAME}"
 pushd "${my_tmp}/${GIT_REPO_NAME}/"
   go generate -mod=vendor ./...
   go build -mod=vendor .