init

lib/headers

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+show_welcome_header() {
+    [ "$SC_SKIP_WELCOME_HEADER" = "1" ] && return 0
+    cat $SC_ASSETS/saluco-header.txt
+    echo "Welcome, $(whoami) ($(id -u))!"
+    echo ""
+}

lib/logger

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+__sc_log() {
+    level=$1; shift
+    echo "[$level] $@"
+}
+
+alias LOGD="__sc_log debug"
+alias LOGI="__sc_log info"
+alias LOGW="__sc_log warn"
+alias LOGE="__sc_log error"
+
+fatal_log() {
+    __sc_log fatal $@
+    exit 1
+}

lib/manipulation

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+get_first_in_list() {
+    echo $1
+}

lib/pm

@@ -0,0 +1,64 @@
+#!/bin/sh
+
+# sc.requires: logger
+
+detect_package_manager() {
+    if command -v apt > /dev/null; then
+        echo apt
+    elif command -v pacman > /dev/null; then
+        echo arch
+    elif command -v dnf > /dev/null; then
+        echo dnf
+    elif command -v yum > /dev/null; then
+        echo yum
+    elif command -v zypper > /dev/null; then
+        echo zypper
+    elif command -v brew > /dev/null; then
+        echo brew
+    elif command -v apk > /dev/null; then
+        echo apk
+    elif command -v nix-env > /dev/null; then
+        echo nix
+    else
+        fatal_log "no supported package manager found"
+        exit 1
+    fi
+}
+
+SC_PACKAGE_MANAGER="${SC_PACKAGE_MANAGER:-$(detect_package_manager)}"
+
+upgrade_packages() {
+    case $SC_PACKAGE_MANAGER in
+        apt) apt update && apt upgrade -y ;;
+        arch) pacman -Syyu --noconfirm ;;
+        dnf) dnf upgrade -y ;;
+        yum) yum update -y ;;
+        zypper) zypper refresh && zypper update -y ;;
+        brew) brew update && brew upgrade ;;
+        apk) apk update && apk upgrade ;;
+        nix) nix-channel --update && nix-env -u ;;
+        *)
+            fatal_log "unsupported package manager: $SC_PACKAGE_MANAGER"
+            exit 1
+            ;;
+    esac
+}
+
+install_package() {
+    [ $# -lt 1 ] && fatal_log "usage: install_package <package>" && exit 1
+    package=$1
+    case $SC_PACKAGE_MANAGER in
+        apt) apt install -y "$package" ;;
+        arch) pacman -S --noconfirm "$package" ;;
+        dnf) dnf install -y "$package" ;;
+        yum) yum install -y "$package" ;;
+        zypper) zypper install -y "$package" ;;
+        brew) brew install "$package" ;;
+        apk) apk add "$package" ;;
+        nix) nix-env -iA nixpkgs."$package" ;;
+        *)
+            fatal_log "unsupported package manager: $SC_PACKAGE_MANAGER"
+            exit 1
+            ;;
+    esac
+}

lib/privileges

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+escalate_command() {
+    if [ "$(id -u)" = "0" ]; then
+        $@
+    else
+        sudo -E $@
+    fi
+}
+
+escalate() {
+    export SC_ESCALATED=1
+    export SC_SKIP_WELCOME_HEADER=1
+
+    echo "e: sc-client $@"
+
+    escalate_command $(get_first_in_list $SC_COMMAND) $@
+}

lib/setup-env

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -e
+
+. $SC_SRC/lib/variables
+
+. $SC_LIB/headers
+. $SC_LIB/logger
+. $SC_LIB/manipulation
+. $SC_LIB/privileges

lib/variables

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+export SC_SRC="${SC_SRC:-/opt/sconnect}"
+
+export SC_LIB="$SC_SRC/lib"
+export SC_ASSETS="$SC_SRC/assets"