Flag Generation in the CLI

.gitignore

@@ -1,2 +1,3 @@
 *.coverprofile
 node_modules/
+vendor

.travis.yml

@@ -2,26 +2,33 @@ language: go
 sudo: false
 dist: trusty
 osx_image: xcode8.3
-go: 1.11.x
+go:
+  - 1.11.x
+  - 1.12.x
 
 os:
-- linux
-- osx
+  - linux
+  - osx
 
 cache:
   directories:
-  - node_modules
+    - node_modules
 
 before_script:
-- go get github.com/urfave/gfmrun/... || true
-- go get golang.org/x/tools/cmd/goimports
-- if [ ! -f node_modules/.bin/markdown-toc ] ; then
-    npm install markdown-toc ;
-  fi
+  - go get github.com/shurcooL/vfsgen || true
+  - go get github.com/shurcooL/httpfs/union || true
+  - go get github.com/urfave/gfmrun/... || true
+  - go get golang.org/x/tools/cmd/goimports
+  - if [ ! -f node_modules/.bin/markdown-toc ] ; then
+      npm install markdown-toc ;
+    fi
 
 script:
-- ./runtests gen
-- ./runtests vet
-- ./runtests test
-- ./runtests gfmrun
-- ./runtests toc
+  - go run build.go generate
+  - go run build.go vet
+  - go run build.go test
+  - go run build.go gfmrun
+  - go run build.go toc
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

README.md

@@ -3,6 +3,7 @@ cli
 
 [![Build Status](https://travis-ci.org/urfave/cli.svg?branch=master)](https://travis-ci.org/urfave/cli)
 [![Windows Build Status](https://ci.appveyor.com/api/projects/status/rtgk5xufi932pb2v?svg=true)](https://ci.appveyor.com/project/urfave/cli)
+
 [![GoDoc](https://godoc.org/github.com/urfave/cli?status.svg)](https://godoc.org/github.com/urfave/cli)
 [![codebeat](https://codebeat.co/badges/0a8f30aa-f975-404b-b878-5fab3ae1cc5f)](https://codebeat.co/projects/github-com-urfave-cli)
 [![Go Report Card](https://goreportcard.com/badge/urfave/cli)](https://goreportcard.com/report/urfave/cli)
@@ -888,7 +889,9 @@ Calling `App.Run` will not automatically call `os.Exit`, which means that by
 default the exit code will "fall through" to being `0`.  An explicit exit code
 may be set by returning a non-nil error that fulfills `cli.ExitCoder`, *or* a
 `cli.MultiError` that includes an error that fulfills `cli.ExitCoder`, e.g.:
-
+<!-- {
+  "error": "Ginger croutons are not in the soup"
+} -->
 ``` go
 package main