chore: fix missing log package

.gitignore

@@ -42,7 +42,6 @@ _*
 pact-go
 pacts
 logs
-log
 tmp
 coverage.txt
 

log/log.go

@@ -0,0 +1,53 @@
+package log
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/hashicorp/logutils"
+)
+
+var logFilter *logutils.LevelFilter
+var defaultLogLevel = "INFO"
+
+const (
+	logLevelTrace logutils.LogLevel = "TRACE"
+	logLevelDebug                   = "DEBUG"
+	logLevelInfo                    = "INFO"
+	logLevelWarn                    = "WARN"
+	logLevelError                   = "ERROR"
+)
+
+func InitLogging() {
+	if logFilter == nil {
+		logFilter = &logutils.LevelFilter{
+			Levels:   []logutils.LogLevel{logLevelTrace, logLevelDebug, logLevelInfo, logLevelWarn, logLevelError},
+			MinLevel: logutils.LogLevel(defaultLogLevel),
+			Writer:   os.Stderr,
+		}
+		log.SetOutput(logFilter)
+	}
+	log.Println("[DEBUG] initialised logging")
+
+}
+
+// SetLogLevel sets the default log level for the Pact framework
+func SetLogLevel(level logutils.LogLevel) error {
+	switch level {
+	case logLevelTrace, logLevelDebug, logLevelError, logLevelInfo, logLevelWarn:
+		logFilter.SetMinLevel(level)
+		return nil
+	default:
+		return fmt.Errorf(`invalid logLevel '%s'. Please specify one of "TRACE", "DEBUG", "INFO", "WARN", "ERROR"`, level)
+	}
+}
+
+// LogLevel gets the current log level for the Pact framework
+func LogLevel() logutils.LogLevel {
+	if logFilter != nil {
+		return logFilter.MinLevel
+	}
+
+	return logutils.LogLevel(defaultLogLevel)
+}