.bash_profileと.bashrcでいつもやってるやつ

.bash_profile

if [ -f ~/.bashrc ]; then
    . ~/.bashrc
fi

.bashrc

ファイル無ければ作る

# git
source /usr/local/etc/bash_completion.d/git-prompt.sh
source /usr/local/etc/bash_completion.d/git-completion.bash
GIT_PS1_SHOWDIRTYSTATE=true

# これ見た目かわいいのでおすすめでちゅ
export PS1='╭─○ \[\033[1;36m\]\w \[\033[m\]$(__git_ps1 "(%s)")\n\[\033[m\]╰─○ '

# alias
alias ll='ls -al'

# history
export HISTTIMEFORMAT='%F %T '
export HISTSIZE=2000
export HISTFILESIZE=20000
export HISTIGNORE='history:pwd:ls:ls *:ll:w:top:df *'
export HISTCONTROL=ignoreboth
export PROMPT_COMMAND='history -a; history -c; history -r'

反映

source ~/.bashrc
source ~/.bash_profile