build(build): add build script

.gitignore

@@ -156,3 +156,7 @@ captures/
 # Keystore files
 *.jks
 
+
+## CUSTOM
+
+Release/

build.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+#
+# LPM | Author: Ben Marten
+# Copyright (c) 2017 Leanplum Inc. All rights reserved.
+#
+set -eo pipefail; [[ $DEBUG ]] && set -x
+
+# Check for Jenkins build number, otherwise default to curent time in seconds.
+if [[ -z "${BUILD_NUMBER+x}" ]]; then 
+  BUILD_NUMBER=$(date "+%s")
+fi
+export ANDROID_VERSION_STRING="$ANDROID_VERSION.$BUILD_NUMBER"
+
+for i in "$@"; do
+  case $i in
+    --upload)
+    upload=true
+    shift # past argument=value
+    ;;
+  esac
+done
+
+LEANPLUM_SDK_ROOT=${LEANPLUM_SDK_ROOT:-"$(pwd)/."}
+configuration="Release"
+default="${LEANPLUM_SDK_ROOT}"
+android_dir=${android_dir:-$default}
+default="${android_dir}/AndroidSDK"
+sdk_dir=${sdk_dir:-$default}
+release_dir="${android_dir}/Release"
+
+mkdir -p "$release_dir"
+
+# Build the AndroidSDK using gradle.
+rm -rf "${sdk_dir}/build"
+rm -rf "${sdk_dir}/javadoc"
+if [[ -z ${upload+x} ]]; then
+  GRADLE_TASK="assemble${configuration} makeJar generateJavadoc"
+else
+  GRADLE_TASK="assemble${configuration} makeJar generateJavadoc artifactoryPublish"
+fi
+
+cd "${sdk_dir}"
+# shellcheck disable=SC2086
+gradle $GRADLE_TASK
+
+mv "${sdk_dir}/javadoc" "${release_dir}/."
+cp "${sdk_dir}/build/intermediates/bundles/release/classes.jar" "${release_dir}/Leanplum.jar"
+
+echo "${GREEN} Done.${NORMAL}"