add flag to control context timeout

main.go

@@ -66,6 +66,7 @@ var appArgs = struct {
 	elevate    *bool
 
 	throttle        *int64
+	contextTimeout  *int64
 	simulateOffline *bool
 }{
 	app.Flag("json", "Enable machine-readable JSON-lines output").Hidden().Short('j').Bool(),
@@ -91,6 +92,7 @@ var appArgs = struct {
 	app.Flag("elevate", "Run butler as administrator").Hidden().Bool(),
 
 	app.Flag("throttle", "Use less than 'throttle' Kbps (kilobits per second) of bandwidth").Hidden().Default("-1").Int64(),
+	app.Flag("context-timeout", "Network operations timeout in seconds").Default("15").Int64(),
 	app.Flag("simulateOffline", "Simulate offline").Hidden().Default("false").Bool(),
 }
 
@@ -232,6 +234,7 @@ func doMain(args []string) {
 	ctx.DBPath = *appArgs.dbPath
 	ctx.Quiet = *appArgs.quiet
 	ctx.Verbose = *appArgs.verbose
+	ctx.ContextTimeout = *appArgs.contextTimeout
 	ctx.JSON = *appArgs.json
 	ctx.CompressionAlgorithm = *appArgs.compressionAlgorithm
 	ctx.CompressionQuality = *appArgs.compressionQuality

mansion/context.go

@@ -41,6 +41,8 @@ type Context struct {
 	CompressionAlgorithm string
 	CompressionQuality   int
 
+	ContextTimeout int64
+
 	HTTPClient    *http.Client
 	HTTPTransport *http.Transport
 
@@ -117,7 +119,7 @@ func (ctx *Context) CompressionSettings() pwr.CompressionSettings {
 }
 
 func (ctx *Context) DefaultCtx() context.Context {
-	defaultCtx, _ := context.WithTimeout(context.Background(), 15*time.Second)
+	defaultCtx, _ := context.WithTimeout(context.Background(), time.Duration(ctx.ContextTimeout)*time.Second)
 	return defaultCtx
 }