dist: Add installation script

install.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+set -e
+
+(
+    cd cmd/peroxide
+    go build
+)
+
+(
+    cd cmd/peroxide-cfg
+    go build
+)
+
+sudo cp cmd/peroxide/peroxide /usr/sbin
+sudo cp cmd/peroxide-cfg/peroxide-cfg /usr/sbin
+
+set +e
+
+getent group peroxide >/dev/null 2>&1
+if [ $? != 0 ]; then
+    sudo groupadd -r peroxide
+fi
+
+getent passwd peroxide >/dev/null 2>&1
+if [ "$?" != "0" ]; then
+    sudo useradd --system --no-create-home -g peroxide -G www-data peroxide
+fi
+
+set -e
+
+if [ ! -d /var/cache/peroxide ]; then
+    sudo mkdir /var/cache/peroxide
+    sudo chown peroxide:peroxide /var/cache/peroxide
+    sudo chmod 700 /var/cache/peroxide
+fi
+
+if [ ! -f /etc/peroxide.conf ]; then
+    sudo cp config.example.yaml /etc/peroxide.conf
+fi
+
+if [ ! -d /etc/peroxide ]; then
+    sudo mkdir /etc/peroxide
+    sudo chown peroxide:peroxide /etc/peroxide
+    sudo chmod 700 /etc/peroxide
+fi
+
+if [ ! -f /etc/systemd/system/peroxide.service ]; then
+    sudo cp peroxide.service /etc/systemd/system/peroxide.service
+    sudo systemctl daemon-reload
+fi