Added private visibility

* Changed gist type and added HTML button on creation

* Adapted label and edit button

* Changed rules for git HTTP and SSH

* Adapt Readme features

internal/web/gist.go

@@ -80,7 +80,7 @@ func gistInit(next echo.HandlerFunc) echo.HandlerFunc {
 			setData(ctx, "hasLiked", hasLiked)
 		}
 
-		if gist.Private {
+		if gist.Private > 0 {
 			setData(ctx, "NoIndex", true)
 		}
 
@@ -88,6 +88,22 @@ func gistInit(next echo.HandlerFunc) echo.HandlerFunc {
 	}
 }
 
+// gistSoftInit try to load a gist (same as gistInit) but does not return a 404 if the gist is not found
+// useful for git clients using HTTP to obfuscate the existence of a private gist
+func gistSoftInit(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(ctx echo.Context) error {
+		userName := ctx.Param("user")
+		gistName := ctx.Param("gistname")
+
+		gistName = strings.TrimSuffix(gistName, ".git")
+
+		gist, _ := models.GetGist(userName, gistName)
+		setData(ctx, "gist", gist)
+
+		return next(ctx)
+	}
+}
+
 func allGists(ctx echo.Context) error {
 	var err error
 	var urlPage string
@@ -400,7 +416,7 @@ func processCreate(ctx echo.Context) error {
 func toggleVisibility(ctx echo.Context) error {
 	var gist = getData(ctx, "gist").(*models.Gist)
 
-	gist.Private = !gist.Private
+	gist.Private = (gist.Private + 1) % 3
 	if err := gist.Update(); err != nil {
 		return errorRes(500, "Error updating this gist", err)
 	}