Merge pull request #75 from hmrc/BDOG-2696

BDOG-2696 add install script

README.md

@@ -5,27 +5,34 @@ It's based on the the original [service-manager](https://github.com/hmrc/service
 ## Installing Service Manager
 
 ### Installing From Binary
+The simplest way to install sm2 is by utilising the `install.sh` script. Run the following in your terminal:
+```shell
+bash <(curl -fksSL https://raw.githubusercontent.com/hmrc/sm2/main/install.sh)
+```
+
+If you'd prefer to carry out these steps manually, then follow these steps:
+
 1. Run the following command in your terminal for your operating system/cpu:
 
 **Linux Intel**
-```base
+```shell
 curl -L -O https://github.com/hmrc/sm2/releases/download/v1.0.9/sm2-1.0.9-linux-intel.zip && unzip sm2-1.0.9-linux-intel.zip && rm sm2-1.0.9-linux-intel.zip && chmod +x sm2
 ```
 
 **Linux Arm64**
-```base
+```shell
 curl -L -O https://github.com/hmrc/sm2/releases/download/v1.0.9/sm2-1.0.9-linux-arm64.zip && unzip sm2-1.0.9-linux-arm64.zip && rm sm2-1.0.9-linux-arm64.zip && chmod +x sm2
 ```
 
 **OSX/Apple (latest M1/M2 cpus)**
 
-```base
+```shell
 curl -L -O https://github.com/hmrc/sm2/releases/download/v1.0.9/sm2-1.0.9-apple-arm64.zip && unzip sm2-1.0.9-apple-arm64.zip && rm sm2-1.0.9-apple-arm64.zip && chmod +x sm2
 ```
 
 **OSX/Apple (older Intel cpus)**
 
-```base
+```shell
 curl -L -O https://github.com/hmrc/sm2/releases/download/v1.0.9/sm2-1.0.9-apple-intel.zip && unzip sm2-1.0.9-apple-intel.zip && rm sm2-1.0.9-apple-intel.zip && chmod +x sm2
 ```
 

install.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+TARGET_OS="linux"
+TARGET_ARCH="intel"
+TARGET_VERSION="1.0.9"
+
+if [[ "$(uname)" == "Darwin" ]]; then
+    TARGET_OS="apple"
+fi
+
+if [[ "$(uname -p)" == "arm" ]]; then
+    TARGET_ARCH="arm64"
+fi
+
+echo "Downloading sm2 v$TARGET_VERSION..."
+
+cd &&
+curl -s -L -O "https://github.com/hmrc/sm2/releases/download/v$TARGET_VERSION/sm2-$TARGET_VERSION-$TARGET_OS-$TARGET_ARCH.zip" &&
+unzip sm2-$TARGET_VERSION-$TARGET_OS-$TARGET_ARCH.zip && rm sm2-$TARGET_VERSION-$TARGET_OS-$TARGET_ARCH.zip &&
+chmod +x sm2
+
+echo "Moving sm2 to /usr/local/bin..."
+
+sudo mv ~/sm2 /usr/local/bin/sm2
+
+echo "Successfully installed!"
+
+sm2 --version
+
+echo "Running sm2 --update..."
+
+sm2 --update
+
+if [[ -z "${WORKSPACE}" ]]; then
+    # shellcheck disable=SC2016
+    echo 'Note: Your $WORKSPACE environment variable is not set. Instructions can be found in the user guide:'
+    echo 'https://github.com/hmrc/sm2/blob/main/USERGUIDE.md#setup'
+fi

servicemanager/update.go

@@ -22,7 +22,7 @@ func update(workspaceInstallPath string) error {
 
 	if currentVersion == latestVersion {
 		// already on latest, short-circuit
-		fmt.Printf("Already up to date.")
+		fmt.Printf("Already up to date.\n")
 		return nil
 	}