chore: Add install script

install

@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+
+# install location
+LOCATION=/usr/local/bin
+
+# platform IDs
+LIN=linux
+MAC=macos
+WIN=windows
+
+# returns this platform ID
+function get_this_platform() {
+    local this_platform="$(uname -s)"
+    case $this_platform in
+        Linux*) echo $LIN ;;
+        Darwin*) echo $MAC ;;
+        *)
+            echo "Error: Unsupported platform $this_platform" >&2
+            fail
+        ;;
+    esac
+}
+
+# actually sets this platform
+THIS_PLATFORM=$(get_this_platform)
+
+# fetches latest release download link for the platform
+function get_latest_warp_link() {
+    local this_platform=$1
+    echo $(curl -fsSL "https://api.github.com/repos/dgiagio/warp/releases" \
+        | grep "browser_download_url" \
+        | grep "$this_platform-x64.warp-packer" \
+        | head -n 1 \
+        | awk '{print $2}' \
+        | sed -e 's/"//g'
+    )
+    if [[ $? != 0 ]]; then
+        echo "Error: Failed to get information about releases" >&2
+        exit 1
+    fi
+}
+
+# downloads and installs single binary
+function install() {
+    local name=$1
+    local link=$2
+    local temp_location="/tmp/$name"
+    echo "Downloading $name..."
+    curl -fsSL -o "$temp_location" "$link"
+    if [[ $? != 0 ]]; then
+        echo "Error: Failed to download $name" >&2
+        exit 1
+    fi
+    echo "Installing $name..."
+    chmod 755 "$temp_location" && \
+    sudo chown root:root "$temp_location" && \
+    sudo mkdir -p "$LOCATION" && \
+    sudo mv "$temp_location" "$LOCATION/$name"
+    if [[ $? != 0 ]]; then
+        echo "Error: Failed to install $name" >&2
+        exit 1
+    fi
+}
+
+WARP4J_LINK="https://raw.githubusercontent.com/guziks/warp4j/master/warp4j"
+
+echo "Getting information about warp-packer releases..."
+WARP_LINK=$(get_latest_warp_link $THIS_PLATFORM)
+
+install "warp-packer" "$WARP_LINK" && \
+install "warp4j" "$WARP4J_LINK" && \
+echo "Successfully installed"