From b534ecd04e0271560902d251b396670b4f99b329 Mon Sep 17 00:00:00 2001
From: Dan Ballard <dan@mindstab.net>
Date: Fri, 21 Jun 2019 15:32:19 -0700
Subject: [PATCH] add log exclude

---
 log/log.go | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/log/log.go b/log/log.go
index 0e9954c..ddeb098 100644
--- a/log/log.go
+++ b/log/log.go
@@ -31,6 +31,7 @@ type Logger struct {
 	level                  Level
 	nothingExceptPatterns  []string
 	everythingFromPatterns []string
+	excludeFromPatterns    []string
 }
 
 // New returns a new Logger with a filter set to the supplied level
@@ -48,6 +49,12 @@ func (l *Logger) filter(level Level) bool {
 		file = "???"
 	}
 
+	for _, pattern := range l.excludeFromPatterns {
+		if strings.Contains(file, pattern) {
+			return false
+		}
+	}
+
 	for _, pattern := range l.everythingFromPatterns {
 		if strings.Contains(file, pattern) {
 			return true
@@ -81,11 +88,16 @@ func (l *Logger) AddNothingExceptFilter(pattern string) {
 	l.nothingExceptPatterns = append(l.nothingExceptPatterns, pattern)
 }
 
-// AddEverythingFromPattern adds a pattern to skip log level filtering, guaranteeing all logs matching hte pattern are seen
+// AddEverythingFromPattern adds a pattern to skip log level filtering, guaranteeing all logs matching the pattern are seen
 func (l *Logger) AddEverythingFromPattern(pattern string) {
 	l.everythingFromPatterns = append(l.everythingFromPatterns, pattern)
 }
 
+// ExcludeFromPattern adds a pattern to exclude logs from
+func (l *Logger) ExcludeFromPattern(pattern string) {
+	l.excludeFromPatterns = append(l.excludeFromPatterns, pattern)
+}
+
 func (l *Logger) header(level Level) string {
 	_, file, _, ok := runtime.Caller(3)
 	if !ok {
@@ -131,11 +143,16 @@ func AddNothingExceptFilter(pattern string) {
 	std.AddNothingExceptFilter(pattern)
 }
 
-// AddEverythingFromPattern adds a pattern to skip log level filtering, guaranteeing all logs matching hte pattern are seen
+// AddEverythingFromPattern adds a pattern to skip log level filtering, guaranteeing all logs matching the pattern are seen
 func AddEverythingFromPattern(pattern string) {
 	std.AddEverythingFromPattern(pattern)
 }
 
+// ExcludeFromPattern adds a pattern to exclude logs from
+func ExcludeFromPattern(pattern string) {
+	std.ExcludeFromPattern(pattern)
+}
+
 // Printf outputs the format with variables assuming it passes the filter level
 func Printf(level Level, format string, v ...interface{}) {
 	std.Printf(level, format, v...)