Overhaul install script

Signed-off-by: Severin Kaderli <severin@kaderli.dev>

.install/lib/output.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+RESET="$(tput sgr0)"
+GREEN="$(tput setaf 2)"
+RED="$(tput setaf 1)"
+BLUE="$(tput setaf 4)"
+DEFAULT="$(tput op)"
+YELLOW="$(tput setaf 3)"
+BOLD="$(tput bold)"
+
+output::log() {
+    echo -e " ● ${1}" |& tee -a "${INSTALL_LOG}"
+}
+
+output::debug() {
+    if [ -n "${INSTALL_DEBUG}" ]; then
+        tee -a "${INSTALL_LOG}"
+    else
+        cat > "${INSTALL_LOG}"
+    fi
+}
+
+output::list() {
+    for element in "${@}"; do
+        echo -e "   - ${element}"
+    done
+}
+
+output::success() {
+    echo -e " ${GREEN}●${DEFAULT} ${1}" |& tee -a "${INSTALL_LOG}"
+}
+
+output::question() {
+    printf " ${YELLOW}${1}${DEFAULT}" |& tee -a "${INSTALL_LOG}"
+}
+
+output::error() {
+    echo -e " ${RED}✘${DEFAULT} ${1}" |& tee -a "${INSTALL_LOG}"
+}
+
+output::section() {
+    echo -e "\n${BOLD}-- ${1} --${RESET}" |& tee -a "${INSTALL_LOG}"
+}
+
+output::prompt() {
+    output::question "${1} [y/N] "
+    read -n 1 -r
+    echo ""
+
+    if [[ ${REPLY} =~ ^[yY]$ ]]; then
+        return 0
+    fi
+
+    return 1
+}