package main import ( "fmt" "io" "os/exec" "os" "log" "net/http" "strings" ) func myexec(w io.Writer, main string, params ...string) error { cmd := exec.Command(main, params...) cmd.Stdout = w cmd.Stderr = w err := cmd.Run() if err != nil { fmt.Fprintf(w, "Failed to run: %s %s\n", main, strings.Join(params, " ")) } return err } func update(w io.Writer) { fmt.Fprintf(w, "Start update...\n") _, err := os.Stat("./.git") if err != nil { fmt.Fprintf(w, ".git folder does not exist, creating it...\n") err := myexec(w, "git", "init") if err != nil { return } } err = myexec(w, "git", "remote", "get-url", "origin") if err != nil { repo, exists := os.LookupEnv("WEBPULL_REPO") if !exists { fmt.Fprintf(w, "You must define WEBPULL_REPO env variable...\n") return } fmt.Fprintf(w, "git remote is not yet set...\n") err := myexec(w, "git", "remote", "add", "origin", repo) if err != nil { return } } err = myexec(w, "git", "pull", "origin", "master") if err != nil { fmt.Fprintf(w, "Failed to pull...\n") return } _, err = os.Stat("./.webpool") if err != nil { fmt.Fprintf(w, "You must create an executable file named '.webpool' at the root of your repository.\nIf you have nothing to run, just create an empty bash script...\n") return } err = myexec(w, "./.webpool") if err != nil { fmt.Fprintf(w, "An error occured during script execution\n") return } fmt.Fprintf(w, "Success.\n") } func main() { update(os.Stdout) fs := http.FileServer(http.Dir("./static")) http.HandleFunc("/update", func(w http.ResponseWriter, r *http.Request) { update(w) }) http.Handle("/", fs) log.Fatal(http.ListenAndServe(":8080", nil)) }