Added package construct scripts.

.gitignore

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+build/

DEBIAN/control

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+Package: liquibase
+Version: 3.5.5
+Architecture: all
+Essential: no
+Priority: optional
+Depends: default-jre
+Section: database
+Maintainer: Andrew Rademacher <andrewrademacher@icloud.com>
+Homepage: http://www.liquibase.org/

build-package.sh

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+#!/bin/bash
+
+LIQUIBASE_VERSION=3.5.5
+PG_JDBC_VERSION=42.2.4
+
+mkdir -p build/download
+(cd ./build/download && wget https://github.com/liquibase/liquibase/releases/download/liquibase-parent-${LIQUIBASE_VERSION}/liquibase-${LIQUIBASE_VERSION}-bin.tar.gz)
+
+mkdir -p build/pkg/usr/lib/liquibase
+tar xvf ./build/download/liquibase-${LIQUIBASE_VERSION}-bin.tar.gz -C ./build/pkg/usr/lib/liquibase
+
+# Additional Drivers
+(cd ./build/pkg/usr/lib/liquibase/lib && wget https://jdbc.postgresql.org/download/postgresql-${PG_JDBC_VERSION}.jar)
+
+# Symlinking
+mkdir -p build/pkg/usr/bin
+(cd ./build/pkg/usr/bin && ln -s /usr/lib/liquibase/liquibase liquibase)
+
+# Packaging
+cp -R DEBIAN build/pkg
+dpkg -b build/pkg/ build/liquibase_3.5.5.deb