fix: added better debug logging for core.Exec (fixes #1125)

core/core.go

@@ -4,6 +4,7 @@ import (
 	"os/exec"
 	"sort"
 
+	"github.com/bettercap/bettercap/v2/log"
 	"github.com/evilsocket/islazy/str"
 )
 
@@ -36,10 +37,13 @@ func HasBinary(executable string) bool {
 func Exec(executable string, args []string) (string, error) {
 	path, err := exec.LookPath(executable)
 	if err != nil {
+		log.Warning("executable %s not found in $PATH", executable)
 		return "", err
 	}
 
 	raw, err := exec.Command(path, args...).CombinedOutput()
+
+	log.Debug("exec=%s args=%v ret_err=%v ret_out=%s", path, args, err, string(raw))
 	if err != nil {
 		return str.Trim(string(raw)), err
 	} else {