#!/bin/bash

set -eu

error() {
  echo -e "\e[31m$1\e[0m"
}

main_branch=$(git symbolic-ref refs/remotes/origin/HEAD | sed 's@^refs/remotes/origin/@@')
working_branch=$(git rev-parse --abbrev-ref HEAD)

if [ "$working_branch" == "$main_branch" ]; then
    error "Interdiction de pusher sur la branche principale '$main_branch' !"
    exit 1
fi

main_working_diff=$(git rev-list --count origin/$main_branch..$working_branch)
if [ "$main_working_diff" -gt 1 ]; then
    error "Vous avez plusieurs commits. Faites un « git rebase -i HEAD~$main_working_diff » pour les *squasher*."
    exit 1
fi