benchmark scripts: Only fetch master branch if needed

    cp -r ~/.$PROJECT/asv/results .asv/results

  fi

  rm -rf .asv/env

  # Fetch the master branch as git repository in gitlab ci env doesn't have it.

  git fetch origin master

  # Fetch the master branch if the git repository in the gitlab CI env does not have it.

  if ! git rev-parse --verify master > /dev/null 2>&1; then

    git fetch origin master || true

    git branch master origin/master

  fi

fi

if [[ ! -f ~/.asv-machine.json ]]; then

  asv machine --yes