Add prebuild script

script/prebuild.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+set -euo pipefail
+
+version="$1"
+repo="$2"
+builddir="$3"
+pkg="$4"
+
+build () {
+    features="$1"
+    cargo clean
+    cargo web deploy -p plume-front --release
+    cargo build --release --no-default-features --features="${features}" --package=plume-cli
+    cargo build --release --no-default-features --features="${features}"
+    ./script/generate_artifact.sh
+}
+
+git clone $repo $builddir
+cd $builddir
+git checkout $version
+mkdir -p $pkg
+build postgres
+mv plume.tar.gz /pkg/plume-postgres.tar.gz
+build sqlite
+mv plume.tar.gz /pkg/plume-sqlite.tar.gz