package main import ( "io/ioutil" "net/http" "os" "os/exec" "text/template" "github.com/gorilla/mux" "github.com/russross/blackfriday" ) // memory usage optimizations const ( emtyStr = "" git = "git" checkout = "checkout" force = "-f" pull = "pull" // options readmePath = "./README.md" tplPath = "tmpl/tmpl.html" idxPath = "tmpl/index.html" bfHTMLRendererOpts = 0 | blackfriday.HTML_USE_XHTML | blackfriday.HTML_USE_SMARTYPANTS | blackfriday.HTML_SMARTYPANTS_FRACTIONS | blackfriday.HTML_SMARTYPANTS_DASHES | blackfriday.HTML_SMARTYPANTS_LATEX_DASHES bfMDOpts = 0 | blackfriday.EXTENSION_NO_INTRA_EMPHASIS | blackfriday.EXTENSION_TABLES | blackfriday.EXTENSION_FENCED_CODE | blackfriday.EXTENSION_AUTOLINK | blackfriday.EXTENSION_STRIKETHROUGH | blackfriday.EXTENSION_SPACE_HEADERS | blackfriday.EXTENSION_HEADER_IDS | blackfriday.EXTENSION_BACKSLASH_LINE_BREAK | blackfriday.EXTENSION_DEFINITION_LISTS | blackfriday.EXTENSION_AUTO_HEADER_IDS ) var ( doneResp = []byte("Done!\n") ) type content struct { Body string } func generateHTML() { // Update repo exec.Command(git, checkout, force).Output() exec.Command(git, pull).Output() input, _ := ioutil.ReadFile(readmePath) body := string( blackfriday.Markdown( input, blackfriday.HtmlRenderer( bfHTMLRendererOpts, emtyStr, emtyStr, ), bfMDOpts, ), ) c := &content{Body: body} t := template.Must(template.ParseFiles(tplPath)) f, _ := os.Create(idxPath) t.Execute(f, c) } func hookHandler(w http.ResponseWriter, r *http.Request) { go generateHTML() w.Write(doneResp) } func main() { r := mux.NewRouter() r.HandleFunc("/hook", hookHandler) http.ListenAndServe(":9000", r) }