feat(cmd): add block-updates cmd to block spotify updates

Co-authored-by: Delusoire <deluso7re@outlook.com>

spicetify.go

@@ -150,6 +150,22 @@ func main() {
 		}
 		return
 
+	case "block-updates":
+		commands = commands[1:]
+		if len(commands) == 0 {
+			utils.PrintError("No parameter given. It has to be \"on\" or \"off\".")
+			return
+		}
+		param := commands[0]
+		if param == "on" {
+			cmd.BlockSpotifyUpdates(true)
+		} else if param == "off" {
+			cmd.BlockSpotifyUpdates(false)
+		} else {
+			utils.PrintError("Invalid parameter. It has to be \"on\" or \"off\".")
+		}
+		return
+
 	case "path":
 		commands = commands[1:]
 		path, err := (func() (string, error) {
@@ -355,6 +371,8 @@ watch               Enter watch mode.
 restart             Restart Spotify client.
 
 ` + utils.Bold("NON-CHAINABLE COMMANDS") + `
+block-updates       Blocks Spotify updates. Patches spotify executable. Accepts "on" or "off" as parameter.
+
 path                Prints path of Spotify's executable, userdata, and more.
                     1. Print executable path:
                     spicetify path
@@ -381,7 +399,6 @@ path                Prints path of Spotify's executable, userdata, and more.
                     "-c" (for config.ini)
                     options: N/A.
 
-
 config              1. Print all config fields and values:
                     spicetify config
 

src/cmd/block-updates.go

@@ -0,0 +1,51 @@
+package cmd
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+
+	"github.com/spicetify/cli/src/utils"
+)
+
+// Block spotify updates. Taken from https://github.com/Delusoire/bespoke-cli/blob/main/cmd/spotify/update.go
+func BlockSpotifyUpdates(enabled bool) {
+	spotifyExecPath := GetSpotifyPath()
+	switch runtime.GOOS {
+	case "windows":
+		spotifyExecPath = filepath.Join(spotifyExecPath, "Spotify.exe")
+	case "linux":
+		spotifyExecPath = filepath.Join(spotifyExecPath, "spotify")
+	case "darwin":
+		spotifyExecPath = filepath.Join(spotifyExecPath, "Spotify")
+	}
+
+	file, err := os.OpenFile(spotifyExecPath, os.O_RDWR, 0644)
+	if err != nil {
+		utils.Fatal(err)
+		return
+	}
+	defer file.Close()
+
+	buf := new(bytes.Buffer)
+	buf.ReadFrom(file)
+	content := buf.String()
+
+	i := strings.Index(content, "desktop-update/")
+	if i == -1 {
+		utils.PrintError("Can't find update endpoint in executable")
+		return
+	}
+	var str, msg string
+	if enabled {
+		str = "v2/update"
+		msg = "Enabled"
+	} else {
+		str = "no/thanks"
+		msg = "Disabled"
+	}
+	file.WriteAt([]byte(str), int64(i+15))
+	utils.PrintSuccess(msg + " Spotify updates!")
+}