Add install script

scripts/install.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+
+info() {
+  echo $'\x1b[32m[INFO]\x1b[0m' $@
+}
+
+warn() {
+  echo $'\x1b[31m[WARN]\x1b[0m' $@
+}
+
+error() {
+  echo $'\x1b[31;1m[ERR]\x1b[0m' $@
+  exit 1
+}
+
+installPkg() {
+  rootCmd=""
+  if command -v doas &>/dev/null; then
+    rootCmd="doas"
+  elif command -v sudo &>/dev/null; then
+    rootCmd="sudo"
+  else
+    warn "No privilege elevation command (e.g. sudo, doas) detected"
+  fi
+  
+  case $1 in
+  pacman) $rootCmd pacman -U ${@:2} ;;
+  apk) $rootCmd apk add --allow-untrusted ${@:2} ;;
+  *) $rootCmd $1 install ${@:2} ;;
+  esac
+}
+
+if ! command -v curl &>/dev/null; then
+  error "This script requires the curl command. Please install it and run again."
+fi
+
+pkgFormat=""
+pkgMgr=""
+if command -v pacman &>/dev/null; then
+  info "Detected pacman"
+  pkgFormat="pkg.tar.zst"
+  pkgMgr="pacman"
+elif command -v apt &>/dev/null; then
+  info "Detected apt"
+  pkgFormat="deb"
+  pkgMgr="apt"
+elif command -v dnf &>/dev/null; then
+  info "Detected dnf"
+  pkgFormat="rpm"
+  pkgMgr="dnf"
+elif command -v yum &>/dev/null; then
+  info "Detected yum"
+  pkgFormat="rpm"
+  pkgMgr="yum"
+elif command -v zypper &>/dev/null; then
+  info "Detected zypper"
+  pkgFormat="rpm"
+  pkgMgr="zypper"
+elif command -v apk &>/dev/null; then
+  info "Detected apk"
+  pkgFormat="apk"
+  pkgMgr="apk"
+else
+  error "No supported package manager detected!"
+fi
+
+latestVersion=$(curl -sI 'https://gitea.arsenm.dev/Arsen6331/lure/releases/latest' | grep -o 'location: .*' | rev | cut -d '/' -f1 | rev | tr -d '[:space:]')
+info "Found latest LURE version:" $latestVersion
+
+fname="$(mktemp -u -p /tmp "lure.XXXXXXXXXX").${pkgFormat}"
+url="https://gitea.arsenm.dev/Arsen6331/lure/releases/download/${latestVersion}/linux-user-repository-${latestVersion#v}-linux-$(uname -m).${pkgFormat}"
+
+info "Downloading LURE package" 
+curl -L $url -o $fname
+
+info "Installing LURE package"
+installPkg $pkgMgr $fname
+
+info "Cleaning up"
+rm $fname
+
+info "Done!"