Revert "dropped the use of @ so the generated zones would work with yadifa too. also exported env vars so child of bind_tld_zonefile_all.sh can use them" This reverts commit ab834161696a4f9150d1c8f52bb6f0f453950cb7.

#!/bin/sh
if [ -z "$1" ]; then
    echo "Usage: $0 \$PEER_NAME" >&2
    exit 1
fi
[ -e db/usr/"$1"/git ] && git pull `cat db/usr/"$1"/git` master || echo "$0: record does not exist for $1" >&2