Clickup commit msg hook

main.go

package main

// put this executable as .git/hooks/prepare-commit-msg

import (
	"io/ioutil"
	"log"
	"os"
	"strings"
)

// WriteBranch ...
// Appends branch to commit msg file
func WriteBranch(branch string) {
	commitMsgFile := os.Args[1]
	f, err := os.OpenFile(commitMsgFile, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 640)
	if err != nil {
		log.Panic(err)
	}
	_, err = f.Write([]byte("\n[" + branch + "]"))
	if err1 := f.Close(); err != nil {
		log.Panic(err1)
	}
}

func main() {
	dat, err := ioutil.ReadFile("./.git/HEAD")
	if err != nil {
		log.Panic(err)
	}
	ref := string(dat)
	branch := strings.Split(ref, "/")[2]
	branchSplit := strings.Split(branch, "_")

	if len(branchSplit) > 1 && strings.HasPrefix(branchSplit[1], "#") {
		WriteBranch(branchSplit[1])
	}
}

compilation steps:
go build

this will work only if your branch is of the form:
initials_#clickupid_branch_name

eg:
as_#c57sf_reset_alerts