Add the build script back

Recently we removed the build/deployment script, add it back it.

build.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+#
+# Bulid/deployment script for www.rust-bitcoin.org
+
+set -e
+
+root=$(pwd)
+
+main() {
+    local _deploy=false
+
+    if [ "$#" -eq 1 ]; then
+        if [ "$1" = "--deploy" ]; then
+            _deploy=true
+        fi
+    fi
+
+    if [ $_deploy = true ]; then
+        deploy
+    else
+        build
+        echo ""
+        echo -e "\033[0;32m Site built, you can serve locally by cd'ing into site/ and running 'hugo serve'...\033[0m"
+    fi
+}
+
+build() {
+    # Build the cookbook
+    cd $root
+    rm -rf "site/static/book"
+    cd cookbook
+    mdbook build --dest-dir "../site/static/book"
+    cd $root
+
+    # Build the hugo project.
+    cd site
+    hugo
+    cd $root
+}
+
+# Deploy the site to https://github.com/rust-bitcoin/rust-bitcoin.github.io
+deploy() {
+    local _date=$(date --utc)
+    echo -e "\033[0;32m Deploying site to GitHub...\033[0m"
+    cd $root
+
+    local branch=$(git rev-parse --abbrev-ref HEAD)
+
+    if [ $branch != "master" ]; then
+        echo "Not on master branch, must be on master to deploy"
+        return 1
+    fi
+
+    build
+
+    # Commit changes.
+    cd site/public
+    git add -A
+
+    msg="Build site `date`"
+    if [ $# -eq 1 ]
+    then msg="$1"
+    fi
+    git commit -m "$msg"
+
+    # Push html to GitHub pages (see public/.git/config)
+    git push
+
+    cd $root
+    echo -e "\033[0;32m Deployment successful\033[0m"
+}
+
+#
+# Main
+#
+main $@
+exit 0