gin.patch

diff --git a/vendor/github.com/gin-gonic/gin/gin.go b/vendor/github.com/gin-gonic/gin/gin.go
index 6a8e193..c954f7d 100644
--- a/vendor/github.com/gin-gonic/gin/gin.go
+++ b/vendor/github.com/gin-gonic/gin/gin.go
@@ -46,6 +46,7 @@ type (
 	Engine struct {
 		RouterGroup
 		HTMLRender  render.HTMLRender
+		FuncMap     template.FuncMap
 		allNoRoute  HandlersChain
 		allNoMethod HandlersChain
 		noRoute     HandlersChain
@@ -111,6 +112,7 @@ func New() *Engine {
 			basePath: "/",
 			root:     true,
 		},
+		FuncMap:                template.FuncMap{},
 		RedirectTrailingSlash:  true,
 		RedirectFixedPath:      false,
 		HandleMethodNotAllowed: false,
@@ -140,19 +142,19 @@ func (engine *Engine) allocateContext() *Context {

 func (engine *Engine) LoadHTMLGlob(pattern string) {
 	if IsDebugging() {
-		debugPrintLoadTemplate(template.Must(template.ParseGlob(pattern)))
-		engine.HTMLRender = render.HTMLDebug{Glob: pattern}
+		debugPrintLoadTemplate(template.Must(template.New("").Funcs(engine.FuncMap).ParseGlob(pattern)))
+		engine.HTMLRender = render.HTMLDebug{Glob: pattern, FuncMap: engine.FuncMap}
 	} else {
-		templ := template.Must(template.ParseGlob(pattern))
+		templ := template.Must(template.New("").Funcs(engine.FuncMap).ParseGlob(pattern))
 		engine.SetHTMLTemplate(templ)
 	}
 }

 func (engine *Engine) LoadHTMLFiles(files ...string) {
 	if IsDebugging() {
-		engine.HTMLRender = render.HTMLDebug{Files: files}
+		engine.HTMLRender = render.HTMLDebug{Files: files, FuncMap: engine.FuncMap}
 	} else {
-		templ := template.Must(template.ParseFiles(files...))
+		templ := template.Must(template.New("").Funcs(engine.FuncMap).ParseFiles(files...))
 		engine.SetHTMLTemplate(templ)
 	}
 }
@@ -161,7 +163,11 @@ func (engine *Engine) SetHTMLTemplate(templ *template.Template) {
 	if len(engine.trees) > 0 {
 		debugPrintWARNINGSetHTMLTemplate()
 	}
-	engine.HTMLRender = render.HTMLProduction{Template: templ}
+	engine.HTMLRender = render.HTMLProduction{Template: templ.Funcs(engine.FuncMap)}
+}
+
+func (engine *Engine) SetFuncMap(funcMap template.FuncMap) {
+	engine.FuncMap = funcMap
 }

 // NoRoute adds handlers for NoRoute. It return a 404 code by default.
diff --git a/vendor/github.com/gin-gonic/gin/render/html.go b/vendor/github.com/gin-gonic/gin/render/html.go
index a3cbda6..1626236 100644
--- a/vendor/github.com/gin-gonic/gin/render/html.go
+++ b/vendor/github.com/gin-gonic/gin/render/html.go
@@ -19,8 +19,9 @@ type (
 	}

 	HTMLDebug struct {
-		Files []string
-		Glob  string
+		Files   []string
+		Glob    string
+		FuncMap template.FuncMap
 	}

 	HTML struct {
@@ -48,11 +49,14 @@ func (r HTMLDebug) Instance(name string, data interface{}) Render {
 	}
 }
 func (r HTMLDebug) loadTemplate() *template.Template {
+	if r.FuncMap == nil {
+		r.FuncMap = template.FuncMap{}
+	}
 	if len(r.Files) > 0 {
-		return template.Must(template.ParseFiles(r.Files...))
+		return template.Must(template.New("").Funcs(r.FuncMap).ParseFiles(r.Files...))
 	}
 	if len(r.Glob) > 0 {
-		return template.Must(template.ParseGlob(r.Glob))
+		return template.Must(template.New("").Funcs(r.FuncMap).ParseGlob(r.Glob))
 	}
 	panic("the HTML debug render was created without files or glob pattern")
 }