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|
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))
}
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