Simple program which can be set into a git hook to pulish commit message as embed on discord with a channel webhook

git2discord.go

package main

import (
    "fmt"
    . "strings"
    "os/exec"
    "strconv"
    args "github.com/zekroTJA/argparser"
    "encoding/json"
    "net/http"
    "bytes"
    "io/ioutil"
)


func main() {

    _, verbose := args.CheckForKey("--verbose", "-v")

    repo, ok := args.GetValueByKey("--repo", "-r")
    if !ok {
        fmt.Println("ERROR | Please enter a valid repository path")
        return
    }

    webhook, ok := args.GetValueByKey("--webhook", "-w")
    if !ok {
        fmt.Println("ERROR | Please enter a valid webhook url")
        return
    }

    var color_s string
    color_s, ok = args.GetValueByKey("--color", "-c")
    if !ok {
        color_s = "315117"
    }
    color, err := strconv.Atoi(color_s)
    if err != nil {
        fmt.Println("ERROR | Color must be a valid integer number")
        return
    }

    gitlog, err := exec.Command("git", "-C", repo, "log", "-1").Output()
    check(err)

    gitlogsplit := Split(string(gitlog), "\n")

    data := map[string]interface{} {
        "embeds": []interface{} {
            map[string]interface{} {
                "title": gitlogsplit[0],
                "description": "```\n" + Join(gitlogsplit[1:], "\n") + "\n```",
                "color": color,
            },
        },
    }

    jsondata, err := json.Marshal(data)
    check(err)

    req, err := http.NewRequest("POST", webhook, bytes.NewBuffer(jsondata))
    check(err)
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, err := client.Do(req)
    check(err)
    defer resp.Body.Close()

    if verbose {
        fmt.Println("response Status:", resp.Status)
        fmt.Println("response Headers:", resp.Header)
        body, _ := ioutil.ReadAll(resp.Body)
        fmt.Println("response Body:", string(body))
    }
}


func check(err error) {
    if err != nil {
        panic(err)
    }
}