my .bashrc

.bash_profile

source .bashrc
if [ `hostname -s` != $MY_LAPTOP ]; then
    # reattach or start a new screen. don't make it a login shell.
    screen -xRR -ln
fi

.bashrc

MY_USERNAME=schuyler
MY_LAPTOP=lappy386

# prompt configuration.
#
if [ `hostname -s` != $MY_LAPTOP ]; then
    # ... remote terminal prompt looks like:
    #   
    # 16:08:35 my_server:~$
    #
    # ... or if not using my regular username remotely:
    #
    # 16:08:35 ubuntu@aws_instance:~$
    #
    HOST=`hostname -s`
    if [ `whoami` != $MY_USERNAME ]; then
        HOST=`whoami`@$HOST
    fi
    export PS1="\\[\\e]0;$HOST:\\w\\a\\]\\t $HOST:\\w$ "
else
    # ... local terminal prompt looks like:
    # 
    # 13:07:59 ~$ 
    export PS1='\[\e]0;\w\a\]\t \w$ '
fi

# setting $SSH_AUTH_SOCK in combination with .screenrc lets ssh-agent reconnect
# after detaching and reattaching a screen(1) session.
#
test $SSH_AUTH_SOCK && ln -sf "$SSH_AUTH_SOCK" "/tmp/ssh-agent-$USER-screen"

# keep the matching .screenrc here for reference.
#
[ ! -r ~/.screenrc ] && cat > ~/.screenrc <<EOF
defutf8 on
term screen-256color
unsetenv SSH_AUTH_SOCK
setenv SSH_AUTH_SOCK "/tmp/ssh-agent-$USER-screen"
EOF

# usage: moveinto new.remote.server
# copies up all the necessaries, including this file.
#
moveinto () {
    cd ~
    ssh $1 'mkdir -p .ssh && chmod 700 .ssh' 
    rsync -av .ssh/id_rsa.pub $1:.ssh/authorized_keys
    rsync -av .ssh/config $1:.ssh/config
    rsync -avz .screenrc .bash_profile .bashrc .gitconfig .gemrc .vim* $1:
}

# minutiae.
#
# don't put duplicate lines in the history.                                                
HISTCONTROL=ignoredups

# append to the history file, don't overwrite it
shopt -s histappend
                                                                                                                         
# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=1000
HISTFILESIZE=2000
                     
# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# other minutiae.
export EDITOR=/usr/bin/vim
export TZ=America/Los_Angeles
alias h='history | tail -20'

# handy git aliases.
#
alias pull="git pull --ff-only origin"
alias fetch="git fetch"
alias rebase="git rebase -i"
alias commit="git commit"
alias checkout="git checkout"
alias push="git push origin"
alias branch="git branch"
alias merge="git merge"
alias delta="git diff"  # so as not to conflict with diff(1)
alias status="git status"
alias log="git log"
alias stash="git stash"

# put server-specific stuff in ~/.bashrc.local
#
[ -r ~/.bashrc.local ] && source ~/.bashrc.local