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awesome-go/repo.go

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package main
import (
"io/ioutil"
"net/http"
"os"
"os/exec"
"text/template"
"github.com/gorilla/mux"
gfm "github.com/shurcooL/github_flavored_markdown"
)
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// 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"
)
var (
doneResp = []byte("Done!\n")
)
type content struct {
Body string
}
func generateHTML() {
// Update repo
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exec.Command(git, checkout, force).Output()
exec.Command(git, pull).Output()
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input, _ := ioutil.ReadFile(readmePath)
body := string(gfm.Markdown(input))
c := &content{Body: body}
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t := template.Must(template.ParseFiles(tplPath))
f, _ := os.Create(idxPath)
t.Execute(f, c)
}
func hookHandler(w http.ResponseWriter, r *http.Request) {
go generateHTML()
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w.Write(doneResp)
}
func main() {
r := mux.NewRouter()
r.HandleFunc("/hook", hookHandler)
http.ListenAndServe(":9000", r)
}