Enhancements to Revel command

Reformat of code
Allow user to use a mix of command line arguments and flags
Enhance the import tool to detect missing packages in the modules side
Added test cases for all commands

skeleton/app/controllers/app.go

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+package controllers
+
+import (
+	"github.com/revel/revel"
+)
+
+type App struct {
+	*revel.Controller
+}
+
+func (c App) Index() revel.Result {
+	return c.Render()
+}

skeleton/app/init.go

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+package app
+
+import (
+	"github.com/revel/revel"
+)
+
+var (
+	// AppVersion revel app version (ldflags)
+	AppVersion string
+
+	// BuildTime revel app build-time (ldflags)
+	BuildTime string
+)
+
+func init() {
+	// Filters is the default set of global filters.
+	revel.Filters = []revel.Filter{
+		revel.PanicFilter,             // Recover from panics and display an error page instead.
+		revel.RouterFilter,            // Use the routing table to select the right Action
+		revel.FilterConfiguringFilter, // A hook for adding or removing per-Action filters.
+		revel.ParamsFilter,            // Parse parameters into Controller.Params.
+		revel.SessionFilter,           // Restore and write the session cookie.
+		revel.FlashFilter,             // Restore and write the flash cookie.
+		revel.ValidationFilter,        // Restore kept validation errors and save new ones from cookie.
+		revel.I18nFilter,              // Resolve the requested language
+		HeaderFilter,                  // Add some security based headers
+		revel.InterceptorFilter,       // Run interceptors around the action.
+		revel.CompressFilter,          // Compress the result.
+		revel.BeforeAfterFilter,       // Call the before and after filter functions
+		revel.ActionInvoker,           // Invoke the action.
+	}
+
+	// Register startup functions with OnAppStart
+	// revel.DevMode and revel.RunMode only work inside of OnAppStart. See Example Startup Script
+	// ( order dependent )
+	// revel.OnAppStart(ExampleStartupScript)
+	// revel.OnAppStart(InitDB)
+	// revel.OnAppStart(FillCache)
+}
+
+// HeaderFilter adds common security headers
+// There is a full implementation of a CSRF filter in
+// https://github.com/revel/modules/tree/master/csrf
+var HeaderFilter = func(c *revel.Controller, fc []revel.Filter) {
+	c.Response.Out.Header().Add("X-Frame-Options", "SAMEORIGIN")
+	c.Response.Out.Header().Add("X-XSS-Protection", "1; mode=block")
+	c.Response.Out.Header().Add("X-Content-Type-Options", "nosniff")
+	c.Response.Out.Header().Add("Referrer-Policy", "strict-origin-when-cross-origin")
+
+	fc[0](c, fc[1:]) // Execute the next filter stage.
+}
+
+//func ExampleStartupScript() {
+//	// revel.DevMod and revel.RunMode work here
+//	// Use this script to check for dev mode and set dev/prod startup scripts here!
+//	if revel.DevMode == true {
+//		// Dev mode
+//	}
+//}

skeleton/app/views/App/Index.html

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+{{set . "title" "Home"}}
+{{template "header.html" .}}
+
+<header class="jumbotron" style="background-color:#A9F16C">
+  <div class="container">
+    <div class="row">
+      <h1>It works!</h1>
+      <p></p>
+    </div>
+  </div>
+</header>
+
+<div class="container">
+  <div class="row">
+    <div class="span6">
+      {{template "flash.html" .}}
+    </div>
+  </div>
+</div>
+
+{{template "footer.html" .}}

skeleton/app/views/debug.html

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+<style type="text/css">
+	#sidebar {
+		position: absolute;
+		right: 0px;
+		top:69px;
+		max-width: 75%;
+		z-index: 1000;
+		background-color: #fee;
+		border: thin solid grey;
+		padding: 10px;
+	}
+	#toggleSidebar {
+		position: absolute;
+		right: 0px;
+		top: 50px;
+		background-color: #fee;
+	}
+
+</style>
+<div id="sidebar" style="display:none;">
+	<h4>Available pipelines</h4>
+	<dl>
+	{{ range $index, $value := .}}
+		<dt>{{$index}}</dt>
+		<dd>{{$value}}</dd>
+	{{end}}
+	</dl>
+	<h4>Flash</h4>
+	<dl>
+	{{ range $index, $value := .flash}}
+		<dt>{{$index}}</dt>
+		<dd>{{$value}}</dd>
+	{{end}}
+	</dl>
+
+	<h4>Errors</h4>
+	<dl>
+	{{ range $index, $value := .errors}}
+		<dt>{{$index}}</dt>
+		<dd>{{$value}}</dd>
+	{{end}}
+	</dl>
+</div>
+<a id="toggleSidebar" href="#" class="toggles"><i class="glyphicon glyphicon-chevron-left"></i></a>
+
+<script>
+	$sidebar = 0;
+	$('#toggleSidebar').click(function() {
+		if ($sidebar === 1) {
+			$('#sidebar').hide();
+			$('#toggleSidebar i').addClass('glyphicon-chevron-left');
+			$('#toggleSidebar i').removeClass('glyphicon-chevron-right');
+			$sidebar = 0;
+		}
+		else {
+			$('#sidebar').show();
+			$('#toggleSidebar i').addClass('glyphicon-chevron-right');
+			$('#toggleSidebar i').removeClass('glyphicon-chevron-left');
+			$sidebar = 1;
+		}
+
+    return false;
+	});
+</script>

skeleton/app/views/errors/404.html

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+<!DOCTYPE html>
+<html lang="en">
+	<head>
+		<title>Not found</title>
+	</head>
+	<body>
+{{if eq .RunMode "dev"}}
+{{template "errors/404-dev.html" .}}
+{{else}}
+	{{with .Error}}
+	<h1>
+		{{.Title}}
+	</h1>
+	<p>
+		{{.Description}}
+	</p>
+	{{end}}
+{{end}}
+	</body>
+</html>

skeleton/app/views/errors/500.html

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+<!DOCTYPE html>
+<html>
+	<head>
+		<title>Application error</title>
+	</head>
+	<body>
+		{{if eq .RunMode "dev"}}
+		{{template "errors/500-dev.html" .}}
+		{{else}}
+		<h1>Oops, an error occured</h1>
+		<p>
+			This exception has been logged.
+		</p>
+		{{end}}
+	</body>
+</html>

skeleton/app/views/flash.html

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+{{if .flash.success}}
+<div class="alert alert-success">
+	{{.flash.success}}
+</div>
+{{end}}
+
+{{if or .errors .flash.error}}
+<div class="alert alert-danger">
+	{{if .flash.error}}
+		{{.flash.error}}
+	{{end}}
+	<ul style="margin-top:10px;">
+		{{range .errors}}
+			<li>{{.}}</li>
+		{{end}}
+	</ul>
+</div>
+{{end}}

skeleton/app/views/footer.html

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+  {{if .DevMode}}
+    {{template "debug.html" .}}
+  {{end}}
+  </body>
+</html>

skeleton/app/views/header.html

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+<!DOCTYPE html>
+
+<html>
+  <head>
+    <title>{{.title}}</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="stylesheet" type="text/css" href="/public/css/bootstrap-3.3.6.min.css">
+    <link rel="shortcut icon" type="image/png" href="/public/img/favicon.png">
+    <script src="/public/js/jquery-2.2.4.min.js"></script>
+    <script src="/public/js/bootstrap-3.3.6.min.js"></script>
+    {{range .moreStyles}}
+      <link rel="stylesheet" type="text/css" href="/public/{{.}}">
+    {{end}}
+    {{range .moreScripts}}
+      <script src="/public/{{.}}" type="text/javascript" charset="utf-8"></script>
+    {{end}}
+  </head>
+  <body>