wip3

install/openvpn

@@ -1,31 +1,80 @@
 #!/usr/bin/env bash
 ##makedesc: Install openvpn v2.6.3 (src)
-source "$( dirname $(readlink -e -- "${BASH_SOURCE}"))/../helpers.sh" || exit 255
 
-# https://openvpn.net/community-downloads/
-# https://openvpn.net/community-resources/installing-openvpn/
+set -eo pipefail
 
-[ "$1" ] && OVPNVER="$1" || OVPNVER='2.6.3'
+installed() { command -v "$1" >/dev/null 2>&1; }
 
-title "Installing openvpn v${OVPNVER} (src)..."
+require() {
+    local missing=()
+    for pkg in "$@"; do
+        installed "$pkg" || missing+=("$pkg")
+    done
+    if [ ${#missing[@]} -gt 0 ]; then
+        if [ "$(uname -s)" = "Darwin" ]; then
+            if installed brew; then
+                brew install "${missing[@]}"
+            else
+                echo "ERROR: Missing: ${missing[*]}. Install manually or use brew." >&2
+                exit 1
+            fi
+        else
+            sudo apt install -y "${missing[@]}"
+        fi
+    fi
+}
 
-require libssl-dev \
-    liblzo2-dev \
-    libpam0g-dev
+download() {
+    if installed wget; then
+        wget -q --show-progress "$1" -O "$2"
+    else
+        curl -fsSL "$1" -o "$2"
+    fi
+}
 
-mkdir -p "$HOME/install/"
-download "https://swupdate.openvpn.org/community/releases/openvpn-${OVPNVER}.tar.gz" "$HOME/install/openvpn-${OVPNVER}.tar.gz" && \
-    unpack_targz "$HOME/install/openvpn-${OVPNVER}.tar.gz" "$HOME/install/" && \
-    cd "$HOME/install/openvpn-${OVPNVER}" && \
-    sudo ./configure && \
-    sudo make && \
-    sudo make install &&
-    apt_install network-manager-openvpn \
-        network-manager-openvpn-gnome
+unpack_targz() {
+    tar -xzvf "$1" -C "$2"
+}
+
+install() {
+    if [ "$(uname -s)" = "Darwin" ]; then
+        if installed brew; then
+            brew install openvpn
+        else
+            echo "ERROR: Install Homebrew first." >&2
+            exit 1
+        fi
+        return
+    fi
 
-[ $? = 0 ] && {
     echo
-    success "openvpn installed!"
+    echo "==============================================="
+    echo "Installing openvpn"
+    echo "==============================================="
+    echo
+
+    # https://openvpn.net/community-downloads/
+    # https://openvpn.net/community-resources/installing-openvpn/
+
+    OVPNVER='2.6.3'
+
+    require libssl-dev liblzo2-dev libpam0g-dev
+
+    mkdir -p "$HOME/install/"
+    download "https://swupdate.openvpn.org/community/releases/openvpn-${OVPNVER}.tar.gz" "$HOME/install/openvpn-${OVPNVER}.tar.gz"
+    unpack_targz "$HOME/install/openvpn-${OVPNVER}.tar.gz" "$HOME/install/"
+    cd "$HOME/install/openvpn-${OVPNVER}"
+    sudo ./configure
+    sudo make
+    sudo make install
+    sudo apt install -y network-manager-openvpn network-manager-openvpn-gnome
+
+    echo
+    echo "Finish!"
     openvpn --version
     echo
 }
+
+case "$1" in
+    *) install ;;
+esac