.xonshrc

$PROMPT='''{env_name:{} }{BOLD_GREEN}{user}@{hostname}{BOLD_BLUE} {cwd}{branch_color}{curr_branch: {}}{NO_COLOR}
{BOLD_BLUE}{prompt_end}{NO_COLOR} '''

$EDITOR = 'vi'

#$XONSH_COLOR_STYLE = 'paraiso-dark'
$XONSH_COLOR_STYLE = 'monokai'

# Get ssh-agent environment variables.
import os
from stat import S_IRUSR, S_IWUSR
from xonsh.foreign_shells import foreign_shell_data
$SSH_ENV = os.path.join($HOME, '.ssh', 'env')

def start_ssh_agent():
    e, a = foreign_shell_data('bash', prevcmd='eval $(ssh-agent -s)')
    with open($SSH_ENV, 'w') as f:
        for k in ('SSH_AGENT_PID', 'SSH_AUTH_SOCK'):
            s = '{env}["{key}"] = "{val}"\n'
            f.write(s.format(key=k, val=e[k], env='${...}'))
    os.chmod($SSH_ENV, S_IRUSR|S_IWUSR)
    $[source $SSH_ENV]

if os.path.exists($SSH_ENV):
    $[source $SSH_ENV]
    if !(ps $SSH_AGENT_PID).returncode != 0:
        start_ssh_agent()
else:
    start_ssh_agent()