### SSH ###
# Tell shell about ssh-agent -- enable with 'systemctl --user enable --now ssh-agent.service'
export SSH_AGENT_PID="$(pgrep -fu "$USER" ssh-agent)"
if [ -n "$SSH_AGENT_PID" ]; then
    export SSH_AUTH_SOCK="/run/user/$EUID/ssh-agent.socket"
    echo ssh-agent PID is $SSH_AGENT_PID
fi
if [ -n "$SSH_AUTH_SOCK" ] && [ `ssh-add -L | grep -c no\ identities` -eq 1 ]; then
    ssh-add
    ssh-add -L
fi

# Tmux help
function tssh () { 
    tmux new-window -n "$1" "/bin/bash -ilc 'ssh $1'"
}

### GIT ###
source /usr/share/git/completion/git-prompt.sh

function git_prompt_var() {
    ### If $PWD is a Git repo, add URL and branch to PS1
    url=`git config remote.origin.url 2>/dev/null`
    if [ -n "$url" ]; then
        branch=`__git_ps1 '%s'`
        url=`basename "$url"`
        echo " $url($branch)"
    fi
}

### User-directory .gitbare Support (Git) ###
if [ -d ~/.git ]; then
    cd 
    printf "~/.git: "
    if [ $SHLVL -eq 1 ] && [ -z "$TMUX" ]; then
        git pull
    else
        git rev-parse --short HEAD
    fi
    git status
fi