Feat: install script

cmd/version.go

@@ -13,12 +13,13 @@ var VersionCmd = &cobra.Command{
 	Short: "Print the version number of Sync TV Server",
 	Long:  `All software has versions. This is Sync TV Server's`,
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Printf("Sync TV Server version %s\n", conf.Version)
-		fmt.Printf("Sync TV Web version %s\n", conf.WebVersion)
-		fmt.Printf("Git commit %s\n", conf.GitCommit)
-		fmt.Printf("Go version %s\n", runtime.Version())
-		fmt.Printf("Built with %s\n", runtime.Compiler)
-		fmt.Printf("OS/Arch %s/%s\n", runtime.GOOS, runtime.GOARCH)
+		fmt.Printf("synctv %s\n", conf.Version)
+		fmt.Printf("- web/version: %s\n", conf.WebVersion)
+		fmt.Printf("- git/commit: %s\n", conf.GitCommit)
+		fmt.Printf("- os/platform: %s\n", runtime.GOOS)
+		fmt.Printf("- os/arch: %s\n", runtime.GOARCH)
+		fmt.Printf("- go/version: %s\n", runtime.Version())
+		fmt.Printf("- go/compiler: %s\n", runtime.Compiler)
 	},
 }
 

install.sh

@@ -0,0 +1,180 @@
+#!/bin/bash
+
+download_tools_list=(
+    "curl"
+    "wget"
+)
+
+function Help() {
+    echo "Usage: sudo -v ; curl https://raw.githubusercontent.com/synctv-org/synctv/main/install.sh | sudo bash"
+    echo "-h: help"
+    echo "-v: install version (default: latest)"
+}
+
+function Init() {
+    VERSION="latest"
+    InitDownloadTools
+}
+
+function ParseArgs() {
+    while getopts "hv:" arg; do
+        case $arg in
+        h)
+            Help
+            exit 0
+            ;;
+        v)
+            VERSION="$OPTARG"
+            ;;
+        ?)
+            echo "unkonw argument"
+            exit 1
+            ;;
+        esac
+    done
+}
+
+function FixArgs() {
+    if [ "$VERSION" = "latest" ]; then
+        VERSION="$(LatestVersion)"
+    elif [ "$VERSION" = "beta" ]; then
+        VERSION="dev"
+    fi
+}
+
+function InitOS() {
+    OS="$(uname)"
+    case $OS in
+    Linux)
+        OS='linux'
+        ;;
+    Darwin)
+        OS='darwin'
+        ;;
+    *)
+        echo 'OS not supported'
+        exit 2
+        ;;
+    esac
+}
+
+function InitArch() {
+    ARCH="$(uname -m)"
+    case $ARCH in
+    x86_64 | amd64)
+        ARCH='amd64'
+        ;;
+    i?86 | x86)
+        ARCH='386'
+        ;;
+    arm64)
+        ARCH='arm64'
+        ;;
+    arm*)
+        ARCH='arm'
+        ;;
+    *)
+        echo 'OS not supported'
+        exit 2
+        ;;
+    esac
+}
+
+function CurrentVersion() {
+    if [ -n "$(command -v synctv)" ]; then
+        echo "$(synctv version | head -n 1 | awk '{print $2}')"
+    else
+        echo "uninstalled"
+    fi
+}
+
+function LatestVersion() {
+    echo "$(curl -sL https://api.github.com/repos/synctv-org/synctv/releases/latest | grep -o '"tag_name": "[^"]*' | grep -o '[^"]*$')"
+    if [ $? -ne 0 ]; then
+        echo "get latest version failed"
+        exit 1
+    fi
+}
+
+function InitDownloadTools() {
+    for tool in "${download_tools_list[@]}"; do
+        if [ -n "$(command -v $tool)" ]; then
+            download_tool="$tool"
+            break
+        fi
+    done
+    if [ -z "$download_tool" ]; then
+        echo "no download tools"
+        exit 1
+    fi
+}
+
+function Download() {
+    case "$download_tool" in
+    curl)
+        curl -L "$1" -o "$2"
+        if [ $? -ne 0 ]; then
+            echo "download $1 failed"
+            exit 1
+        fi
+        ;;
+    wget)
+        wget -O "$2" "$1"
+        if [ $? -ne 0 ]; then
+            echo "download $1 failed"
+            exit 1
+        fi
+        ;;
+    *)
+        echo "download tool not supported"
+        echo "supported tools: ${download_tools_list[*]}"
+        exit 1
+        ;;
+    esac
+}
+
+function InstallVersion() {
+    tmp_dir=$(mktemp -d 2>/dev/null || mktemp -d -t 'synctv-install.XXXXXXXXXX')
+    cd "$tmp_dir"
+    trap 'rm -rf "$tmp_dir"' EXIT
+
+    Download "https://github.com/synctv-org/synctv/releases/download/$1/synctv-${OS}-${ARCH}" "synctv"
+
+    case "$OS" in
+    linux)
+        cp synctv /usr/bin/synctv.new
+        chmod 755 /usr/bin/synctv.new
+        chown root:root /usr/bin/synctv.new
+        mv /usr/bin/synctv{.new,}
+        ;;
+    darwin)
+        mkdir -m 0555 -p /usr/local/bin
+        cp synctv /usr/local/bin/synctv.new
+        mv /usr/local/bin/synctv{.new,}
+        chmod a=x /usr/local/bin/synctv
+        ;;
+    *)
+        echo 'OS not supported'
+        exit 2
+        ;;
+    esac
+}
+
+function CheckAndInstallVersion() {
+    current_version="$(CurrentVersion)"
+    echo "current version: $current_version"
+    echo "install version: $VERSION"
+    if [ "$current_version" != "uninstalled" ] && [ "$current_version" = "$VERSION" ] && [ "$current_version" != "dev" ]; then
+        echo "current version is $current_version, skip"
+        exit 0
+    fi
+
+    InstallVersion "$VERSION"
+}
+
+Init
+ParseArgs "$@"
+FixArgs
+InitOS
+InitArch
+CheckAndInstallVersion