Shell Aliases

function git_current_branch() {
  git symbolic-ref --short HEAD 2>/dev/null || \
  git rev-parse --short HEAD 2>/dev/null || return 1
}

function git_main_branch() {
  git rev-parse --git-dir &>/dev/null || return
  
  local ref
  for ref in refs/{heads,remotes/{origin,upstream}}/{main,trunk,master}; do
    if git show-ref -q --verify $ref 2>/dev/null; then
      echo ${ref:t}
      return 0
    fi
  done
  
  echo master
  return 1
}

function git_develop_branch() {
  git rev-parse --git-dir &>/dev/null || return
  
  local branch
  for branch in dev devel develop development; do
    if git show-ref -q --verify refs/heads/$branch 2>/dev/null; then
      echo $branch
      return 0
    fi
  done
  
  echo develop
  return 1
}

mkcd() {
    mkdir -p "$1" && cd "$1"
}

bak() {
    cp "$1" "$1.bak"
}

up() {
    local d=""
    local limit=${1:-1}
    for ((i=1 ; i <= limit ; i++)); do
        d="${d}../"
    done
    cd "$d"
}

down() {
    if ! command -v fd &> /dev/null || ! command -v fzf &> /dev/null; then
        echo "down: requires 'fd' and 'fzf'" >&2
        return 1
    fi

    local depth=${1:-1}
    local target=$(fd --type d --max-depth "$depth" . | fzf)
    [[ -n "$target" ]] && cd "$target"
}