chore: cleanup output to make logs less noisy

pkg/cli/gptscript.go

@@ -45,6 +45,7 @@ type GPTScript struct {
 	Color              *bool  `usage:"Use color in output (default true)" default:"true"`
 	Confirm            bool   `usage:"Prompt before running potentially dangerous commands"`
 	Debug              bool   `usage:"Enable debug logging"`
+	NoTrunc            bool   `usage:"Do not truncate long log messages"`
 	Quiet              *bool  `usage:"No output logging (set --quiet=false to force on even when there is no TTY)" short:"q"`
 	Output             string `usage:"Save output to a file, or - for stdout" short:"o"`
 	EventsStreamTo     string `usage:"Stream events to this location, could be a file descriptor/handle (e.g. fd://2), filename, or named pipe (e.g. \\\\.\\pipe\\my-pipe)" name:"events-stream-to"`
@@ -237,7 +238,7 @@ func (r *GPTScript) PersistentPre(*cobra.Command, []string) error {
 			r.Color = new(bool)
 		}
 	} else {
-		mvl.SetSimpleFormat()
+		mvl.SetSimpleFormat(!r.NoTrunc)
 		if *r.Quiet {
 			mvl.SetError()
 		}

pkg/mvl/log.go

@@ -1,6 +1,7 @@
 package mvl
 
 import (
+	"encoding/json"
 	"fmt"
 	"io"
 	"os"
@@ -17,11 +18,14 @@ import (
 // So this is simple place to make a better decision later about logging frameworks. I only care about
 // the interface, not the implementation. Smarter people do that well.
 
-func SetSimpleFormat() {
-	logrus.SetFormatter(&formatter{})
+func SetSimpleFormat(trunc bool) {
+	logrus.SetFormatter(&formatter{
+		trunc: trunc,
+	})
 }
 
 type formatter struct {
+	trunc bool
 }
 
 func (f formatter) Format(entry *logrus.Entry) ([]byte, error) {
@@ -30,6 +34,20 @@ func (f formatter) Format(entry *logrus.Entry) ([]byte, error) {
 		msg += fmt.Sprintf(" [input=%s]", i)
 	}
 	if i, ok := entry.Data["output"].(string); ok && i != "" {
+		if f.trunc {
+			i = strings.TrimSpace(i)
+			addDot := false
+			if len(i) > 100 {
+				addDot = true
+				i = i[:100]
+			}
+			d, _ := json.Marshal(i)
+			i = string(d)
+			i = strings.TrimSpace(i[1 : len(i)-2])
+			if addDot {
+				i += "..."
+			}
+		}
 		msg += fmt.Sprintf(" [output=%s]", i)
 	}
 	if i, ok := entry.Data["request"]; ok && i != "" {