From 4cd3bd8a7d81139eb64bcf376b01c8a05eb82b0d Mon Sep 17 00:00:00 2001
From: "k.goto" <24818752+go-to-k@users.noreply.github.com>
Date: Thu, 7 Dec 2023 19:33:46 +0900
Subject: [PATCH] feat(install): Use Script Install (#163)

* feat(install): Use Script Install

* change README
---
 README.md  | 34 +++++++++++++++------
 install.sh | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 112 insertions(+), 9 deletions(-)
 create mode 100644 install.sh

diff --git a/README.md b/README.md
index f7b7fe9..0113cde 100644
--- a/README.md
+++ b/README.md
@@ -24,20 +24,36 @@ Also this tool can support output results **as a CSV file.**
 ## Install
 
 - Homebrew
-  ```sh
+
+  ```bash
   brew install go-to-k/tap/lamver
   ```
+
+- Linux, Darwin (macOS) and Windows
+
+  ```bash
+  curl -fsSL https://raw.githubusercontent.com/go-to-k/lamver/main/install.sh | sh
+  lamver -h
+
+  # To install a specific version of lamver
+  # e.g. version 0.8.0
+  curl -fsSL https://raw.githubusercontent.com/go-to-k/lamver/main/install.sh | sh -s "v0.8.0"
+  lamver -h
+  ```
+
 - Binary
   - [Releases](https://github.com/go-to-k/lamver/releases)
 - Git Clone and install(for developers)
-  ```sh
+
+  ```bash
   git clone https://github.com/go-to-k/lamver.git
   cd lamver
   make install
   ```
 
 ## How to use
-  ```sh
+
+  ```bash
   lamver [-p <profile>] [-r <default region>] [-o <output file path>] [-k <keyword for function name>]
   ```
 
@@ -57,7 +73,7 @@ Also this tool can support output results **as a CSV file.**
 
 ### Enter `lamver`
 
-```sh
+```bash
 ❯ lamver
 ```
 
@@ -69,7 +85,7 @@ You can specify `-k, --keyword` option. This is a keyword for **function name fi
 
 ### Choose regions
 
-```sh
+```bash
 ? Select regions you want to search.
   [Use arrows to move, space to select, <right> to all, <left> to none, type to filter]
   [x]  ap-northeast-1
@@ -93,7 +109,7 @@ You can specify `-k, --keyword` option. This is a keyword for **function name fi
 
 ### Choose runtime values
 
-```sh
+```bash
 ? Select runtime values you want to search.
   [Use arrows to move, space to select, <right> to all, <left> to none, type to filter]
 > [ ]  dotnet6
@@ -142,13 +158,13 @@ You can search function names in a **case-insensitive**.
 
 This phase is skipped if you specify `-k` option.
 
-```sh
+```bash
 Filter a keyword of function names(case-insensitive): test-goto
 ```
 
 ### The result will be output
 
-```sh
+```bash
 +--------------+----------------+----------------------+------------------------------+
 |   RUNTIME    |     REGION     |     FUNCTIONNAME     |         LASTMODIFIED         |
 +--------------+----------------+----------------------+------------------------------+
@@ -181,6 +197,6 @@ By default, results are output as table format on the screen.
 
 If you add `-o` option, then results can be output **as a CSV file**.
 
-```sh
+```bash
 lamver -o ./result.csv
 ```
diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..4cf5cd8
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,87 @@
+#!/bin/bash
+
+# This script automates the installation of the lamver tool.
+# It checks for the specified version (or fetches the latest one),
+# downloads the binary, and installs it on the system.
+
+# Check for required tools: curl and tar.
+# These tools are necessary for downloading and extracting the lamver binary.
+if ! command -v curl &>/dev/null; then
+    echo "curl could not be found"
+    exit 1
+fi
+
+if ! command -v tar &>/dev/null; then
+    echo "tar could not be found"
+    exit 1
+fi
+
+# Determine the version of lamver to install.
+# If no version is specified as a command line argument, fetch the latest version.
+if [ -z "$1" ]; then
+    VERSION=$(curl -s https://api.github.com/repos/go-to-k/lamver/releases/latest | grep '"tag_name":' | sed -E 's/.*"v([^"]+)".*/\1/')
+    if [ -z "$VERSION" ]; then
+        echo "Failed to fetch the latest version"
+        exit 1
+    fi
+else
+    VERSION=$1
+fi
+
+# Normalize the version string by removing any leading 'v'.
+VERSION=${VERSION#v}
+
+# Detect the architecture of the current system.
+# This script supports x86_64, arm64, and i386 architectures.
+ARCH=$(uname -m)
+case $ARCH in
+x86_64 | amd64) ARCH="x86_64" ;;
+arm64 | aarch64) ARCH="arm64" ;;
+i386 | i686) ARCH="i386" ;;
+*)
+    echo "Unsupported architecture: $ARCH"
+    exit 1
+    ;;
+esac
+
+# Detect the operating system (OS) of the current system.
+# This script supports Linux, Darwin (macOS) and Windows operating systems.
+OS=$(uname -s)
+case $OS in
+Linux) OS="Linux" ;;
+Darwin) OS="Darwin" ;;
+MINGW* | MSYS* | CYGWIN*) OS="Windows" ;;
+*)
+    echo "Unsupported OS: $OS"
+    exit 1
+    ;;
+esac
+
+# Construct the download URL for the lamver binary based on the version, OS, and architecture.
+FILE_NAME="lamver_${VERSION}_${OS}_${ARCH}.tar.gz"
+URL="https://github.com/go-to-k/lamver/releases/download/v${VERSION}/${FILE_NAME}"
+
+# Download the lamver binary.
+echo "Downloading lamver..."
+if ! curl -L -o "$FILE_NAME" "$URL"; then
+    echo "Failed to download lamver"
+    exit 1
+fi
+
+# Install lamver.
+# This involves extracting the binary and moving it to /usr/local/bin.
+echo "Installing lamver..."
+if ! tar -xzf "$FILE_NAME"; then
+    echo "Failed to extract lamver"
+    exit 1
+fi
+if ! sudo mv lamver /usr/local/bin/lamver; then
+    echo "Failed to install lamver"
+    exit 1
+fi
+
+# Clean up by removing the downloaded tar file.
+rm "$FILE_NAME"
+
+echo "lamver installation complete."
+echo "Run 'lamver -h' to see how to use lamver."