Add install script to optimize install (#13)

- Add install script to make install in Linux or macOS easier.
- modify the README about how to install.
- fix root command test.

README.md

@@ -4,28 +4,10 @@ The `ticloud` command line tool brings deploy cluster requests, and other TiDB C
 
 ## Installation
 
-#### macOS
+#### macOS and Linux
 
-- amd64
 ```
-curl -L https://github.com/tidbcloud/tidbcloud-cli/releases/download/v0.1.0-rc1/ticloud_0.1.0-rc1_macos_x86_64.tar.gz | tar -xz 
-```
-
-- arm64
-```
-curl -L https://github.com/tidbcloud/tidbcloud-cli/releases/download/v0.1.0-rc1/ticloud_0.1.0-rc1_macos_arm64.tar.gz | tar -xz
-```
-
-#### Linux
-
-- amd64
-```
-curl -L https://github.com/tidbcloud/tidbcloud-cli/releases/download/v0.1.0-rc1/ticloud_0.1.0-rc1_linux_x86_64.tar.gz | tar -xz
-```
-
-- arm64
-```
-curl -L https://github.com/tidbcloud/tidbcloud-cli/releases/download/v0.1.0-rc1/ticloud_0.1.0-rc1_linux_arm64.tar.gz | tar -xz
+curl https://raw.githubusercontent.com/tidbcloud/tidbcloud-cli/main/install.sh | sh
 ```
 
 #### Manually

install.sh

@@ -0,0 +1,97 @@
+#!/bin/sh
+
+version="0.1.0-rc2"
+
+repo='https://github.com/tidbcloud/tidbcloud-cli/releases/download'
+if [ -n "$TICLOUD_MIRRORS" ]; then
+    repo=$TICLOUD_MIRRORS
+fi
+
+case $(uname -s) in
+    Linux|linux) os=linux ;;
+    Darwin|darwin) os=macos ;;
+    *) os= ;;
+esac
+
+if [ -z "$os" ]; then
+    echo "OS $(uname -s) not supported." >&2
+    exit 1
+fi
+
+case $(uname -m) in
+    amd64|x86_64) arch=amd64 ;;
+    arm64|aarch64) arch=arm64 ;;
+    *) arch= ;;
+esac
+
+if [ -z "$arch" ]; then
+    echo "Architecture  $(uname -m) not supported." >&2
+    exit 1
+fi
+
+if [ -z "$TICLOUD_HOME" ]; then
+    TICLOUD_HOME=$HOME/.ticloud
+fi
+bin_dir=$TICLOUD_HOME/bin
+mkdir -p "$bin_dir"
+
+install_binary() {
+    curl -L "$repo/v${version}/ticloud_${version}_${os}_$arch.tar.gz" -o "/tmp/ticloud_${version}_${os}_$arch.tar.gz" || return 1
+    tar -zxf "/tmp/ticloud_${version}_${os}_$arch.tar.gz" -C "$bin_dir" || return 1
+    rm "/tmp/ticloud_${version}_${os}_$arch.tar.gz"
+    return 0
+}
+
+check_depends() {
+    pass=0
+    command -v curl >/dev/null || {
+        echo "Dependency check failed: please install 'curl' before proceeding."
+        pass=1
+    }
+    command -v tar >/dev/null || {
+        echo "Dependency check failed: please install 'tar' before proceeding."
+        pass=1
+    }
+    return $pass
+}
+
+if ! check_depends; then
+    exit 1
+fi
+
+if ! install_binary; then
+    echo "Failed to download and/or extract ticloud archive."
+    exit 1
+fi
+
+chmod 755 "$bin_dir/ticloud"
+
+bold=$(tput bold 2>/dev/null)
+sgr0=$(tput sgr0 2>/dev/null)
+
+# Refrence: https://stackoverflow.com/questions/14637979/how-to-permanently-set-path-on-linux-unix
+shell=$(echo $SHELL | awk 'BEGIN {FS="/";} { print $NF }')
+echo "Detected shell: ${bold}$shell${sgr0}"
+if [ -f "${HOME}/.${shell}_profile" ]; then
+    PROFILE=${HOME}/.${shell}_profile
+elif [ -f "${HOME}/.${shell}_login" ]; then
+    PROFILE=${HOME}/.${shell}_login
+elif [ -f "${HOME}/.${shell}rc" ]; then
+    PROFILE=${HOME}/.${shell}rc
+else
+    PROFILE=${HOME}/.profile
+fi
+echo "Shell profile:  ${bold}$PROFILE${sgr0}"
+
+case :$PATH: in
+    *:$bin_dir:*) : "PATH already contains $bin_dir" ;;
+    *) printf '\nexport PATH=%s:$PATH\n' "$bin_dir" >> "$PROFILE"
+        echo "$PROFILE has been modified to add ticloud to PATH"
+        echo "open a new terminal or ${bold}source ${PROFILE}${sgr0} to use it"
+        ;;
+esac
+
+echo "Installed path: ${bold}$bin_dir/ticloud${sgr0}"
+echo "==============================================="
+echo "Have a try:     ${bold}ticloud${sgr0}"
+echo "==============================================="

internal/cli/root.go

@@ -53,6 +53,7 @@ func Execute(ctx context.Context, ver, commit, buildDate string) {
 	}
 
 	rootCmd := RootCmd(h, ver, commit, buildDate)
+	initConfig()
 
 	err := rootCmd.ExecuteContext(ctx)
 	if err != nil {
@@ -124,20 +125,22 @@ func shouldCheckAuth(cmd *cobra.Command) bool {
 	return true
 }
 
-func init() {
-	cobra.OnInitialize(initConfig)
-}
-
 // initConfig reads in config file and ENV variables if set.
 func initConfig() {
 	// Find home directory.
 	home, err := os.UserHomeDir()
 	cobra.CheckErr(err)
+	path := home + "/" + config.HomePath
+	err = os.MkdirAll(path, os.ModePerm)
+	if err != nil {
+		color.Red("Failed to create ticloud home directory: %s", err)
+		os.Exit(1)
+	}
 
 	// Search config in home directory with name ".tidbcloud-cli" (without extension).
-	viper.AddConfigPath(home)
+	viper.AddConfigPath(path)
 	viper.SetConfigType("toml")
-	viper.SetConfigName(".tidbcloud-cli")
+	viper.SetConfigName("config")
 	_ = viper.SafeWriteConfig()
 	err = viper.ReadInConfig()
 	if err != nil {

internal/config/config.go

@@ -24,7 +24,10 @@ import (
 	"github.com/spf13/viper"
 )
 
-const CliName = "ticloud"
+const (
+	CliName  = "ticloud"
+	HomePath = ".ticloud"
+)
 
 type Config struct {
 	ActiveProfile string