Fix serving of raw wiki files other than .md (#5814)

* Fix serving of raw wiki files other than .md

Closes #4690.
Closes #4395.

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Simplify code at routers/repo/wiki.go

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Add more files to user2/repo1.wiki for testing

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Update macaron to v1.3.2

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Add tests for WikiRaw

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Fix NewResponseWriter usage due to macaron update

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

* Add raw to reserved wiki names

Signed-off-by: Gabriel Silva Simões <simoes.sgabriel@gmail.com>

vendor/gopkg.in/macaron.v1/context.go

@@ -262,7 +262,7 @@ func (ctx *Context) Params(name string) string {
 
 // SetParams sets value of param with given name.
 func (ctx *Context) SetParams(name, val string) {
-	if !strings.HasPrefix(name, ":") {
+	if name != "*" && !strings.HasPrefix(name, ":") {
 		name = ":" + name
 	}
 	ctx.params[name] = val
@@ -270,7 +270,7 @@ func (ctx *Context) SetParams(name, val string) {
 
 // ReplaceAllParams replace all current params with given params
 func (ctx *Context) ReplaceAllParams(params Params) {
-	ctx.params = params;
+	ctx.params = params
 }
 
 // ParamsEscape returns escapred params result.

vendor/gopkg.in/macaron.v1/macaron.go

@@ -32,7 +32,7 @@ import (
 	"github.com/go-macaron/inject"
 )
 
-const _VERSION = "1.2.4.1123"
+const _VERSION = "1.3.2.1216"
 
 func Version() string {
 	return _VERSION
@@ -194,7 +194,7 @@ func (m *Macaron) createContext(rw http.ResponseWriter, req *http.Request) *Cont
 		index:    0,
 		Router:   m.Router,
 		Req:      Request{req},
-		Resp:     NewResponseWriter(rw),
+		Resp:     NewResponseWriter(req.Method, rw),
 		Render:   &DummyRender{rw},
 		Data:     make(map[string]interface{}),
 	}

vendor/gopkg.in/macaron.v1/response_writer.go

@@ -42,11 +42,12 @@ type ResponseWriter interface {
 type BeforeFunc func(ResponseWriter)
 
 // NewResponseWriter creates a ResponseWriter that wraps an http.ResponseWriter
-func NewResponseWriter(rw http.ResponseWriter) ResponseWriter {
-	return &responseWriter{rw, 0, 0, nil}
+func NewResponseWriter(method string, rw http.ResponseWriter) ResponseWriter {
+	return &responseWriter{method, rw, 0, 0, nil}
 }
 
 type responseWriter struct {
+	method string
 	http.ResponseWriter
 	status      int
 	size        int
@@ -59,13 +60,15 @@ func (rw *responseWriter) WriteHeader(s int) {
 	rw.status = s
 }
 
-func (rw *responseWriter) Write(b []byte) (int, error) {
+func (rw *responseWriter) Write(b []byte) (size int, err error) {
 	if !rw.Written() {
 		// The status will be StatusOK if WriteHeader has not been called yet
 		rw.WriteHeader(http.StatusOK)
 	}
-	size, err := rw.ResponseWriter.Write(b)
-	rw.size += size
+	if rw.method != "HEAD" {
+		size, err = rw.ResponseWriter.Write(b)
+		rw.size += size
+	}
 	return size, err
 }
 

vendor/gopkg.in/macaron.v1/router.go

@@ -96,7 +96,7 @@ func NewRouter() *Router {
 }
 
 // SetAutoHead sets the value who determines whether add HEAD method automatically
-// when GET method is added. Combo router will not be affected by this value.
+// when GET method is added.
 func (r *Router) SetAutoHead(v bool) {
 	r.autoHead = v
 }
@@ -341,6 +341,9 @@ func (cr *ComboRouter) route(fn func(string, ...Handler) *Route, method string,
 }
 
 func (cr *ComboRouter) Get(h ...Handler) *ComboRouter {
+	if cr.router.autoHead {
+		cr.Head(h...)
+	}
 	return cr.route(cr.router.Get, "GET", h...)
 }