Add to docs and use more variables

docs/getting_started.md

@@ -7,7 +7,14 @@
 
 ## Download
 
-- Download the appropriate executable for your platform from the [releases page](https://github.com/qlik-oss/sense-installer/releases) and rename it to `qliksense`. All the examplease down below uses `qliksense`.
+- Download the appropriate executable for your platform from the [releases page](https://github.com/qlik-oss/sense-installer/releases) and rename it to `qliksense`. All the examples below uses `qliksense`.
+
+### Linux
+
+```console
+curl -fsSL https://raw.githubusercontent.com/qlik-oss/sense-installer/ibiqlik/installscript/scripts/install.sh -o install-sense-cli.sh
+sh install-sense-cli.sh
+```
 
 ## Quick start
 

scripts/install.sh

@@ -0,0 +1,87 @@
+#!/bin/sh
+set -e
+# Sense installer for Linux/MacOS script
+#
+# See https://github.com/qlik-oss/sense-installer for the installation steps.
+#
+# This script is meant for quick & easy install via:
+#   $ curl -fsSL https://raw.githubusercontent.com/qlik-oss/sense-installer/scripts/install.sh | sh -
+
+RELEASES_URI="https://api.github.com/repos/qlik-oss/sense-installer/releases/latest"
+REPO_URL="https://github.com/qlik-oss/sense-installer"
+BIN_DIR="/usr/local/bin"
+FILE_NAME="kubectl-qliksense"
+
+command_exists() {
+	command -v "$@" > /dev/null 2>&1
+}
+
+do_install() {
+	echo "\n==> Executing qliksense install script\n"
+
+	if ! command_exists kubectl; then
+		echo "\n==> ERROR: kubectl is required for $FILE_NAME to work"
+		echo "See https://github.com/qlik-oss/sense-installer#requirements for more information\n"
+		exit 1
+	fi
+
+	if ! command_exists curl; then
+		echo "==> ERROR: curl is missing"
+		exit 1
+	fi
+
+	user="$(id -un 2>/dev/null || true)"
+
+	SUDO='sh -c'
+	if [ "$(id -u)" != "0" ]; then
+		root_msg="\tNext operation might ask for root password to place\n\t$FILE_NAME in $BIN_DIR and set executable permission\n"
+		if command_exists sudo; then
+			echo $root_msg
+			SUDO='sudo -E sh -c'
+		elif command_exists su; then
+			echo $root_msg
+			SUDO='su -c'
+		else
+			cat >&2 <<-'EOF'
+			Error: this installer needs the ability to run commands as root.
+			We are unable to find either "sudo" or "su" available to make this happen.
+			EOF
+			exit 1
+		fi
+	fi
+
+	if command_exists curl; then
+		releases=$(mktemp)
+
+		if [ -n "$GITHUB_TOKEN" ]; then
+			curl -v -H "Authorization: token $GITHUB_TOKEN" $RELEASES_URI > $releases 2>&1
+		else
+			curl -v $RELEASES_URI > $releases 2>&1
+		fi
+
+		if ! grep -q "Status: 200" $releases; then
+			echo "==> ERROR: cannot get qliksense-installer"
+			echo "GitHub:" $(grep "message" $releases | cut -d '"' -f 4) "\n"
+			echo "Use: GITHUB_TOKEN=token install-sense-cli.sh"
+			exit 1
+		fi
+
+		download_url=$(grep -E "browser_download_url.*linux" $releases | grep -v "tar.gz" | cut -d '"' -f 4)
+
+		echo "==> Installing to $BIN_DIR/$FILE_NAME\n"
+		if [ -n "$GITHUB_TOKEN" ]; then
+			$SUDO "curl -fSL -H \"Authorization: token $GITHUB_TOKEN\" $download_url -o $BIN_DIR/$FILE_NAME"
+		else
+			$SUDO "curl -fSL $download_url -o $BIN_DIR/$FILE_NAME"
+		fi
+		$SUDO "chmod +x $BIN_DIR/$FILE_NAME"
+	fi
+
+	if command_exists $FILE_NAME; then
+		echo "\n==> Success: You can now start using $FILE_NAME\n"
+	else
+		echo "\n==> ERROR: Something went wrong, try again"
+	fi
+}
+
+do_install