some bash/zsh useful functions

bash-functions.zsh

# Add an "alert" alias for long running commands.  Use like so:
#   sleep 10; alert
alias alert='notify-send --urgency=low --hint int:transient:1 -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'

# to use no fast-forward by deafult
function git() {
  if [[ $@ == merge* ]]; then

    if [[ $@ == *--no-ff* ]]; then
      command git "$@"
      return
    fi

    if [[ $@ == *--ff* ]]; then
      command git "$@"
    else
      command git "$@" --no-ff
    fi

  else
    command git "$@"
  fi
}

# to avoid locking the terminal when opining emacs, emacsclient, or evince
function emacs() {
    if [[ $@ == *-nw* ]]; then
        command emacs "$@"
    else
        command emacs "$@" &
    fi
}

function emacsclient() {
    if [[ $@ == *-nw* ]]; then
        command emacsclient "$@"
    else
        command emacsclient "$@" &
    fi
}

function evince() {
    command evince "$@" &
}