my ~/.xonshrc

xonshrc.py

from builtins import __xonsh_env__
from subprocess import check_output, PIPE, CalledProcessError
from xonsh.tools import get_sep, XonshError
from os import listdir
from os.path import exists as pexists, join as pjoin, isfile
from collections import defaultdict, OrderedDict

def _branch_status(cwd=None):
	branch = None
	dirty = 0
	try:
		cmd = !(git status --porcelain -b)
		if cmd.stderr and cmd.stderr.getvalue(): return ''
		s = cmd.stdout.getvalue().decode('utf-8')
		s = s.strip().split('\n')
		if len(s) == 0 or not s[0]:
			return ''
		branch = s[0].split()[1]
		dirty = len(s) - 1
	except (CalledProcessError, FileNotFoundError):
		return

	bc   = ('{BOLD_INTENSE_RED}' if dirty else '{BOLD_INTENSE_GREEN}')
	return '❨{NO_COLOR}' + bc + branch + '{NO_COLOR}|' + bc + ('+' + str(dirty) if dirty else '✔') + '{NO_COLOR}❩ '


def _shorter_cwd():
	pwd = $PWD

	try:
		gopath = pjoin($GOPATH[0], 'src')
		ghpath = pjoin(gopath, 'github.com')

		if pwd.startswith(ghpath):
			pwd = pwd.replace(ghpath, '✪', 1)
		elif pwd.startswith(gopath):
			pwd = pwd.replace(gopath, '☯', 1)
	except:
		pass

	if pwd.startswith($HOME):
		pwd = pwd.replace($HOME, '~', 1)

	sep = get_sep()
	pwd = pwd.split(sep)
	l = len(pwd)
	leader = sep if l>0 and len(pwd[0])==0 else ''
	base = [i[0] if ix != l-1 else i for ix,i in enumerate(pwd) if len(i) > 0]
	return leader + sep.join(base)

def _go_init():
	gopath = pjoin($HOME, 'code/go')
	if not pexists(gopath):
		return
	gobin = pjoin(gopath, 'bin')
	if not gobin in $PATH:
		$PATH.append(gobin)
	$GOPATH = gopath

	aliases['gotip'] = '/usr/src/go/bin/go'
	aliases['go18'] = '/usr/src/go1.8/bin/go'
	aliases['go17'] = '/usr/src/go1.7/bin/go'
	aliases['go16'] = '/usr/src/go1.6/bin/go'
	aliases['go15'] = '/usr/src/go1.5/bin/go'
	aliases['go14'] = '/usr/src/go1.4/bin/go'
	aliases['gow64'] = 'env GOOS="windows" GOARCH="amd64" CGO_ENABLED="1" CC="x86_64-w64-mingw32-gcc" CXX="x86_64-w64-mingw32-g++" go'
	aliases['gow32'] = 'env GOOS="windows" GOARCH="386" CGO_ENABLED="1" CC="i686-w64-mingw32-gcc" CXX="i686-w64-mingw32-g++" go'

	aliases['cdgh'] = cder(pjoin(gopath, 'src/github.com'), "cdgh")
	aliases['cdooo'] = cder(pjoin(gopath, 'src/github.com/OneOfOne'), "cdooo")
	aliases['setgo'] = _set_go

	return True


def _set_go(v, args = None):
	if len(v) == 0:
		go version
		return 
	v = v[0]
	p = '/usr/src/go' + (v if v != 'tip' else '') + '/bin/go'
	if not pexists(p):
		print(p, 'does not exist')
		return
	ln -svf @(p) '$HOME/bin/go'
	go version

def _rebuildgo(args, stdin):
	ver = args[0] if len(args) == 1 else ''
	pushd @('/usr/src/go' + ver + '/src')
	try:
		rm -rf ../pkg/ ../bin/ '$GOPATH/pkg/' a> /dev/null
		git reset --hard || return
		git clean -fdx || return
		git pull -v || return
		env GOROOT_BOOTSTRAP=/usr/src/go1.4 CC=clang GOGC=off bash make.bash || return

	except (XonshError):
		pass
	finally:
		popd

def _rebuildgotools(args, stdin):
	killall -9 gocode a> /dev/null
	gorepos = ['golang.org/x/{}/...'.format(n) for n in $(ls @($GOPATH[0] + '/src/golang.org/x/')).strip().split('\n')]
	#parallel --will-cite -v -j8 go get -u ::: @(gorepos) github.com/nsf/gocode github.com/derekparker/delve/... github.com/lukehoban/... github.com/rogpeppe/godef
	go get -u @(' '.join(args)) @(gorepos) github.com/nsf/gocode github.com/derekparker/delve/... github.com/lukehoban/... github.com/rogpeppe/godef

class adict(dict):
	def __init__(self, *args, **kw):
		super(adict, self).__init__(*args, **kw)

	def __setattr__(self, key, val):
		return dict.__setitem__(self, key, val)

	def __getattr__(self, key):
		return self.__getitem__(key)

	def __getitem__(self, key):
		try:
			val = dict.__getitem__(self, key)
			if callable(val):
				val = val()
			return ('' if val is None else val)
		except (KeyError):
			return '{' + key + '}'

def _userPrompt():
	out = '{ret_code_color}┏━{NO_COLOR}{env_name}'
	out = out + ('{BOLD_RED}' if $PROMPT_FIELDS['user'] == 'root' else '{BOLD_YELLOW}') + '{user}'
	out = out + '{NO_COLOR}@{BOLD_CYAN}{hostname}{NO_COLOR} '
	#out = out + '❨{BOLD_GREEN}{shorter_cwd}{NO_COLOR}❩ {branch_status}'
	out = out + '❨{BOLD_GREEN}{shorter_cwd}{NO_COLOR}❩{gitstatus: ❨{}❩ }'
	out = out + '{NO_COLOR}{ret_code_color}{ret_code}\n'
	out = out + '{ret_code_color}┗━━{NO_COLOR}➤{NO_COLOR} '

	$TITLE = '{current_job} ' + _shorter_cwd()
	return out

def _pss(args, stdin):
	import re
	args = '|'.join(args)
	for line in $(ps -eo pid:1,user,vsize,cmd).split('\n'):
		p = re.split(r'\s+', line)
		if len(p) < 4 or p[2] == '0' or p[3] == '/usr/bin/ps':
			continue
		p[0] = '\033[94m' + p[0] + '\033[0m'
		p[1] = '\033[92m' + p[1] + '\033[0m'
		p[3] = '\033[94m' + p[3] + '\033[0m'
		line = ' '.join(p[3:])
		if args:
			ln = len(line)
			line = re.sub(r'(' + args + r')', r'\033[1;31m\1\033[0m', line, re.I)
			if len(line) != ln:
				print(p[0], p[1], line)
		else:
			print(p[0], p[1], line)

def _path_completer(cmd, path):
	def cb(prefix, line, begidx, endidx, ctx):
		if not line.startswith(cmd):
			return

		args = prefix.split('/')

		if len(args) > 1:
			p = pjoin(path, args[0])
			return {pjoin(args[0], f) for f in listdir(p) if not isfile(pjoin(p, f)) and f.startswith(args[1])}

		return {f for f in listdir(path) if not isfile(pjoin(path, f)) and f.startswith(args[0])}
	return cb

def cder(path, alias = None):
	if alias:
		__xonsh_completers__[alias] =  _path_completer(alias, path)
		__xonsh_completers__.move_to_end(alias, last=False)
	#completer add @(path) _path_completer(@(path))
	def cb(args, stdin=None):
		echo @(pjoin(path, *args))
		cd @(pjoin(path, *args))
	return cb

def _alias(args, stdin):
	if len(args) == 0:
		return print(aliases)

	if len(args) == 1:
		return print(aliases.get(args[0], ['']))

	aliases[args[0]] = args[1]

_go_init()

$PROMPT_FIELDS['shorter_cwd'] = _shorter_cwd

$XONSH_COLOR_STYLE='native'
$PATH = OrderedDict.fromkeys($PATH).keys()
$PROMPT = _userPrompt
$MULTILINE_PROMPT=''

$PUSHD_SILENT = True
$HISTCONTROL = set('ignoredups')
$AUTO_CD = True
$COMPLETIONS_CONFIRM = True
$UPDATE_COMPLETIONS_ON_KEYPRESS = True
$XONSH_CACHE_SCRIPTS = False
$AUTO_SUGGEST = False

# yaourt / arch aliases
aliases['y'] = 'nice -n20 ionice -c3 yaourt'
aliases['yup'] = 'y -Syu --aur'
aliases['yr'] = 'y -Rscd'
aliases['yi'] = 'y -S'
aliases['ys'] = 'y -Ss'

aliases['rm'] = 'rm -i'
aliases['mv'] = 'mv -i'
aliases['cp'] = 'cp --reflink=auto --sparse=always -ia'

aliases['pss'] = _pss
aliases['rebuildgo'] = _rebuildgo
aliases['rebuildgotools'] = _rebuildgotools

aliases['alias'] = _alias

del _pss
del _rebuildgo
del _rebuildgotools
del _go_init
del _alias
del _userPrompt

$LESS = '-Xr'
$LESSOPEN = '|/usr/bin/lesspipe.sh %s'
$LESS_ADVANCED_PREPROCESSOR = 1

$WINEDEBUG = '-all'
$WINEDLLOVERRIDES = "winemenubuilder.exe=d"

$SDL_AUDIODRIVER = 'pulse'

try:
	$EDITOR = ('subl3 -n -w' if $DISPLAY else 'nvim')
except (Exception):
	$EDITOR = 'nvim'