&& curl -fsSLO --compressed ${BASE_URL}/apache-maven-${MAVEN_VERSION}-bin.tar.gz.asc \
&& export GNUPGHOME="$(mktemp -d)" \
&& for key in \
&& curl -fsSLO --compressed ${BASE_URL}/apache-maven-${MAVEN_VERSION}-bin.tar.gz.asc \
&& export GNUPGHOME="$(mktemp -d)" \
&& for key in \
; do \
gpg --batch --keyserver hkps://pgp.surf.nl --recv-keys "$key" || \
gpg --batch --keyserver hkps://keyserver.ubuntu.com --recv-keys "$key" ; \
; do \
gpg --batch --keyserver hkps://pgp.surf.nl --recv-keys "$key" || \
gpg --batch --keyserver hkps://keyserver.ubuntu.com --recv-keys "$key" ; \