Update dependencies

7 files changed, 84 insertions, 4 deletions

diff --git a/vendor/github.com/gorilla/handlers/handlers.go b/vendor/github.com/gorilla/handlers/handlers.go
index 9544d2f..551f8ff 100644
--- a/vendor/github.com/gorilla/handlers/handlers.go
+++ b/vendor/github.com/gorilla/handlers/handlers.go
@@ -94,7 +94,7 @@ func makeLogger(w http.ResponseWriter) loggingResponseWriter {
 	return logger
 }
 
-type loggingResponseWriter interface {
+type commonLoggingResponseWriter interface {
 	http.ResponseWriter
 	http.Flusher
 	Status() int
diff --git a/vendor/github.com/gorilla/handlers/handlers_go18.go b/vendor/github.com/gorilla/handlers/handlers_go18.go
new file mode 100644
index 0000000..35eb8d4
--- /dev/null
+++ b/vendor/github.com/gorilla/handlers/handlers_go18.go
@@ -0,0 +1,21 @@
+// +build go1.8
+
+package handlers
+
+import (
+	"fmt"
+	"net/http"
+)
+
+type loggingResponseWriter interface {
+	commonLoggingResponseWriter
+	http.Pusher
+}
+
+func (l *responseLogger) Push(target string, opts *http.PushOptions) error {
+	p, ok := l.w.(http.Pusher)
+	if !ok {
+		return fmt.Errorf("responseLogger does not implement http.Pusher")
+	}
+	return p.Push(target, opts)
+}
diff --git a/vendor/github.com/gorilla/handlers/handlers_pre18.go b/vendor/github.com/gorilla/handlers/handlers_pre18.go
new file mode 100644
index 0000000..197836a
--- /dev/null
+++ b/vendor/github.com/gorilla/handlers/handlers_pre18.go
@@ -0,0 +1,7 @@
+// +build !go1.8
+
+package handlers
+
+type loggingResponseWriter interface {
+	commonLoggingResponseWriter
+}
diff --git a/vendor/github.com/gorilla/mux/README.md b/vendor/github.com/gorilla/mux/README.md
index fa79a6b..94d396c 100644
--- a/vendor/github.com/gorilla/mux/README.md
+++ b/vendor/github.com/gorilla/mux/README.md
@@ -23,6 +23,7 @@ The name mux stands for "HTTP request multiplexer". Like the standard `http.Serv
 * [Install](#install)
 * [Examples](#examples)
 * [Matching Routes](#matching-routes)
+* [Listing Routes](#listing-routes)
 * [Static Files](#static-files)
 * [Registered URLs](#registered-urls)
 * [Full Example](#full-example)
@@ -65,8 +66,11 @@ r.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler)
 The names are used to create a map of route variables which can be retrieved calling `mux.Vars()`:
 
 ```go
-vars := mux.Vars(request)
-category := vars["category"]
+func ArticlesCategoryHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	w.WriteHeader(http.StatusOK)
+	fmt.Fprintf(w, "Category: %v\n", vars["category"])
+}
 ```
 
 And this is all you need to know about the basic usage. More advanced options are explained below.
@@ -164,6 +168,42 @@ s.HandleFunc("/{key}/", ProductHandler)
 s.HandleFunc("/{key}/details", ProductDetailsHandler)
 ```
 
+### Listing Routes
+
+Routes on a mux can be listed using the Router.Walk method—useful for generating documentation:
+
+```go
+package main
+
+import (
+    "fmt"
+    "net/http"
+
+    "github.com/gorilla/mux"
+)
+
+func handler(w http.ResponseWriter, r *http.Request) {
+    return
+}
+
+func main() {
+    r := mux.NewRouter()
+    r.HandleFunc("/", handler)
+    r.HandleFunc("/products", handler)
+    r.HandleFunc("/articles", handler)
+    r.HandleFunc("/articles/{id}", handler)
+    r.Walk(func(route *mux.Route, router *mux.Router, ancestors []*mux.Route) error {
+        t, err := route.GetPathTemplate()
+        if err != nil {
+            return err
+        }
+        fmt.Println(t)
+        return nil
+    })
+    http.Handle("/", r)
+}
+```
+
 ### Static Files
 
 Note that the path provided to `PathPrefix()` represents a "wildcard": calling
diff --git a/vendor/github.com/gorilla/mux/doc.go b/vendor/github.com/gorilla/mux/doc.go
index e9573dd..00daf4a 100644
--- a/vendor/github.com/gorilla/mux/doc.go
+++ b/vendor/github.com/gorilla/mux/doc.go
@@ -57,6 +57,11 @@ calling mux.Vars():
 	vars := mux.Vars(request)
 	category := vars["category"]
 
+Note that if any capturing groups are present, mux will panic() during parsing. To prevent
+this, convert any capturing groups to non-capturing, e.g. change "/{sort:(asc|desc)}" to
+"/{sort:(?:asc|desc)}". This is a change from prior versions which behaved unpredictably
+when capturing groups were present.
+
 And this is all you need to know about the basic usage. More advanced options
 are explained below.
 
diff --git a/vendor/github.com/gorilla/mux/regexp.go b/vendor/github.com/gorilla/mux/regexp.go
index fd8fe39..0189ad3 100644
--- a/vendor/github.com/gorilla/mux/regexp.go
+++ b/vendor/github.com/gorilla/mux/regexp.go
@@ -109,6 +109,13 @@ func newRouteRegexp(tpl string, matchHost, matchPrefix, matchQuery, strictSlash,
 	if errCompile != nil {
 		return nil, errCompile
 	}
+
+	// Check for capturing groups which used to work in older versions
+	if reg.NumSubexp() != len(idxs)/2 {
+		panic(fmt.Sprintf("route %s contains capture groups in its regexp. ", template) +
+			"Only non-capturing groups are accepted: e.g. (?:pattern) instead of (pattern)")
+	}
+
 	// Done!
 	return &routeRegexp{
 		template:       template,
diff --git a/vendor/github.com/gorilla/mux/route.go b/vendor/github.com/gorilla/mux/route.go
index 293b6d4..9221915 100644
--- a/vendor/github.com/gorilla/mux/route.go
+++ b/vendor/github.com/gorilla/mux/route.go
@@ -153,7 +153,7 @@ func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery
 	}
 	r.regexp = r.getRegexpGroup()
 	if !matchHost && !matchQuery {
-		if len(tpl) == 0 || tpl[0] != '/' {
+		if tpl == "/" && (len(tpl) == 0 || tpl[0] != '/') {
 			return fmt.Errorf("mux: path must start with a slash, got %q", tpl)
 		}
 		if r.regexp.path != nil {