diff --git a/pygittools/__init__.py b/pygittools/__init__.py
index c4f9fc1..ce6b2c4 100644
--- a/pygittools/__init__.py
+++ b/pygittools/__init__.py
@@ -26,3 +26,1339 @@
 __author__ = "Zachary Zhang"
 __email__ = "zlj19971222@outlook.com"
 __git_url__ = "https://github.com/zlj-zz/pygittools.git"
+
+
+import os
+import re
+import sys
+import subprocess
+import signal
+import argparse
+import logging
+import logging.handlers
+
+
+USER_HOME = os.environ["HOME"]
+TOOLS_HOME = USER_HOME + "/.config/pygittools"
+Log = logging.getLogger(__name__)
+
+
+###################################### Utils
+def ensure_path(file_name):
+    if not os.path.exists(file_name):
+        dir_path = "/".join(file_name.split("/")[:-1])
+        os.makedirs(dir_path, exist_ok=True)
+
+
+EXIT_NORMAL = 0
+EXIT_ERROR = 1
+
+
+def exit_(*args):
+    """Exit program.
+
+    Receive error code, error message. If the error code matches, print the
+    error information to the log. Then the command line output prompt, and
+    finally exit.
+
+    Args:
+        *args:
+            code: Exit code.
+            msg: Error message.
+    """
+    if args and args[0] == EXIT_ERROR:
+        Log.error(args[1:])
+        print("Please check {}".format(TOOLS_HOME))
+
+    raise SystemExit(0)
+
+
+def run_cmd(*args):
+    try:
+        with subprocess.Popen(" ".join(args), shell=True) as proc:
+            proc.wait()
+    except Exception as e:
+        Log.warning(e)
+
+
+def run_cmd_with_resp(*args):
+    try:
+        with subprocess.Popen(
+            " ".join(args), stderr=subprocess.PIPE, stdout=subprocess.PIPE, shell=True
+        ) as proc:
+            res = proc.stdout.read().decode()
+            err = proc.stderr.read().decode()
+            return err, res
+    except Exception as e:
+        Log.warning(e)
+        print(e)
+        return e, ""
+
+
+#################################### Log
+FMT_NORMAL = logging.Formatter(
+    fmt="%(asctime)s %(levelname).4s %(message)s", datefmt="%H:%M:%S"
+)
+FMT_DEBUG = logging.Formatter(
+    fmt="%(asctime)s.%(msecs)03d %(levelname).4s [%(name)s] %(message)s",
+    datefmt="%H:%M:%S",
+)
+
+
+def setup_logging(debug=False, log_file="-"):
+    root_logger = logging.getLogger()
+
+    if debug:
+        log_level = logging.DEBUG
+        formatter = FMT_DEBUG
+    else:
+        log_level = logging.INFO
+        formatter = FMT_NORMAL
+
+    if log_file:
+        if log_file == "-":
+            log_handle = logging.StreamHandler()
+        else:
+            ensure_path(log_file)
+            try:
+                log_handle = logging.handlers.RotatingFileHandler(
+                    log_file, maxBytes=1048576, backupCount=4
+                )
+            except PermissionError:
+                print('No permission to write to "{}" directory!'.format(log_file))
+                raise SystemExit(1)
+
+    log_handle.setFormatter(formatter)
+    log_handle.setLevel(log_level)
+
+    root_logger.addHandler(log_handle)
+    root_logger.setLevel(0)
+
+
+# def current_repository():
+#     err, path = run_cmd_with_resp("git rev-parse --git-dir")
+
+#     if err:
+#         return ""
+
+#     path = path.strip()
+#     if path == ".git":
+#         repository_path = os.getcwd()
+#     else:
+#         repository_path = "/".join(path.split("/")[:-1])
+#     return repository_path
+
+
+################################## Style
+
+
+class Color(object):
+    """Holds representations for a 24-bit color value
+    __init__(color, depth="fg", default=False)
+    -- color accepts 6 digit hexadecimal: string "#RRGGBB", 2 digit hexadecimal: string "#FF" or decimal RGB "255 255 255" as a string.
+    -- depth accepts "fg" or "bg"
+    __call__(*args) joins str arguments to a string and apply color
+    __str__ returns escape sequence to set color
+    __iter__ returns iteration over red, green and blue in integer values of 0-255.
+    * Values:  .hexa: str  |  .dec: Tuple[int, int, int]  |  .red: int  |  .green: int  |  .blue: int  |  .depth: str  |  .escape: str
+    """
+
+    # hexa: str
+    # dec: Tuple[int, int, int]
+    # red: int
+    # green: int
+    # blue: int
+    # depth: str
+    # escape: str
+    # default: bool
+
+    TRUE_COLOR = False
+
+    def __init__(self, color, depth="fg", default=False):
+        self.depth = depth
+        self.default = default
+        try:
+            if not color:
+                self.dec = (-1, -1, -1)
+                self.hexa = ""
+                self.red = self.green = self.blue = -1
+                self.escape = "\033[49m" if depth == "bg" and default else ""
+                return
+
+            elif color.startswith("#"):
+                self.hexa = color
+                if len(self.hexa) == 3:
+                    self.hexa += self.hexa[1:3] + self.hexa[1:3]
+                    c = int(self.hexa[1:3], base=16)
+                    self.dec = (c, c, c)
+                elif len(self.hexa) == 7:
+                    self.dec = (
+                        int(self.hexa[1:3], base=16),
+                        int(self.hexa[3:5], base=16),
+                        int(self.hexa[5:7], base=16),
+                    )
+                else:
+                    raise ValueError(
+                        "Incorrectly formatted hexadecimal rgb string: {}".format(
+                            self.hexa
+                        )
+                    )
+
+            else:
+                c_t = tuple(map(int, color.split(" ")))
+                if len(c_t) == 3:
+                    self.dec = c_t  # type: ignore
+                else:
+                    raise ValueError('RGB dec should be "0-255 0-255 0-255"')
+
+            ct = self.dec[0] + self.dec[1] + self.dec[2]
+            if ct > 255 * 3 or ct < 0:
+                raise ValueError("RGB values out of range: {}".format(color))
+        except Exception:
+            # errlog.exception(str(e))
+            self.escape = ""
+            return
+
+        if self.dec and not self.hexa:
+            self.hexa = "%s%s%s" % (
+                hex(self.dec[0]).lstrip("0x").zfill(2),
+                hex(self.dec[1]).lstrip("0x").zfill(2),
+                hex(self.dec[2]).lstrip("0x").zfill(2),
+            )
+
+        if self.dec and self.hexa:
+            self.red, self.green, self.blue = self.dec
+            self.escape = "\033[%s;2;%sm" % (
+                38 if self.depth == "fg" else 48,
+                ";".join(str(c) for c in self.dec),
+            )
+
+        if Color.TRUE_COLOR:
+            self.escape = "{}".format(
+                self.truecolor_to_256(rgb=self.dec, depth=self.depth)
+            )
+
+    def __str__(self):
+        return self.escape
+
+    def __repr__(self):
+        return repr(self.escape)
+
+    def __iter__(self):
+        for c in self.dec:
+            yield c
+
+    # def __call__(self, *args: str) -> str:
+    #     if len(args) < 1:
+    #         return ""
+    #     return f'{self.escape}{"".join(args)}{getattr(Term, self.depth)}'
+
+    @staticmethod
+    def truecolor_to_256(rgb, depth="fg"):
+        out = ""
+        pre = "\033[{};5;".format("38" if depth == "fg" else "48")
+
+        greyscale = (rgb[0] // 11, rgb[1] // 11, rgb[2] // 11)
+        if greyscale[0] == greyscale[1] == greyscale[2]:
+            out = "{}{}m".format(pre, 232 + greyscale[0])
+        else:
+            out = "{}{}m".format(
+                pre,
+                round(rgb[0] / 51) * 36
+                + round(rgb[1] / 51) * 6
+                + round(rgb[2] / 51)
+                + 16,
+            )
+
+        return out
+
+    @staticmethod
+    def escape_color(hexa="", r=0, g=0, b=0, depth="fg"):
+        """Returns escape sequence to set color
+        * accepts either 6 digit hexadecimal hexa="#RRGGBB", 2 digit hexadecimal: hexa="#FF"
+        * or decimal RGB: r=0-255, g=0-255, b=0-255
+        * depth="fg" or "bg"
+        """
+        dint = 38 if depth == "fg" else 48
+        color = ""
+        if hexa:
+            try:
+                if len(hexa) == 3:
+                    c = int(hexa[1:], base=16)
+                    if Color.TRUE_COLOR:
+                        color = "\033[{};2;{};{};{}m".format(dint, c, c, c)
+                    else:
+                        color = Color.truecolor_to_256(rgb=(c, c, c), depth=depth)
+                elif len(hexa) == 7:
+                    if Color.TRUE_COLOR:
+                        color = "\033[{};2;{};{};{}m".format(
+                            dint,
+                            int(hexa[1:3], base=16),
+                            int(hexa[3:5], base=16),
+                            int(hexa[5:7], base=16),
+                        )
+                    else:
+                        color = "{}".format(
+                            Color.truecolor_to_256(
+                                rgb=(
+                                    int(hexa[1:3], base=16),
+                                    int(hexa[3:5], base=16),
+                                    int(hexa[5:7], base=16),
+                                ),
+                                depth=depth,
+                            )
+                        )
+            except ValueError:
+                # errlog.exception(f'{e}')
+                pass
+        else:
+            if Color.TRUE_COLOR:
+                color = "\033[{};2;{};{};{}m".format(dint, r, g, b)
+            else:
+                color = "{}".format(Color.truecolor_to_256(rgb=(r, g, b), depth=depth))
+        return color
+
+    @classmethod
+    def fg(cls, *args):
+        if len(args) > 2:
+            return cls.escape_color(r=args[0], g=args[1], b=args[2], depth="fg")
+        else:
+            return cls.escape_color(hexa=args[0], depth="fg")
+
+    @classmethod
+    def bg(cls, *args):
+        if len(args) > 2:
+            return cls.escape_color(r=args[0], g=args[1], b=args[2], depth="bg")
+        else:
+            return cls.escape_color(hexa=args[0], depth="bg")
+
+
+class Fx(object):
+    """Text effects
+    * trans(string: str): Replace whitespace with escape move right to not overwrite background behind whitespace.
+    * uncolor(string: str) : Removes all 24-bit color and returns string .
+    """
+
+    start = "\033["  # * Escape sequence start
+    sep = ";"  # * Escape sequence separator
+    end = "m"  # * Escape sequence end
+    # * Reset foreground/background color and text effects
+    reset = rs = "\033[0m"
+    bold = b = "\033[1m"  # * Bold on
+    unbold = ub = "\033[22m"  # * Bold off
+    dark = d = "\033[2m"  # * Dark on
+    undark = ud = "\033[22m"  # * Dark off
+    italic = i = "\033[3m"  # * Italic on
+    unitalic = ui = "\033[23m"  # * Italic off
+    underline = u = "\033[4m"  # * Underline on
+    ununderline = uu = "\033[24m"  # * Underline off
+    blink = bl = "\033[5m"  # * Blink on
+    unblink = ubl = "\033[25m"  # * Blink off
+    strike = s = "\033[9m"  # * Strike / crossed-out on
+    unstrike = us = "\033[29m"  # * Strike / crossed-out off
+
+    # * Precompiled regex for finding a 24-bit color escape sequence in a string
+    color_re = re.compile(r"\033\[\d+;\d?;?\d*;?\d*;?\d*m")
+
+    @staticmethod
+    def trans(string):
+        return string.replace(" ", "\033[1C")
+
+    @classmethod
+    def uncolor(cls, string):
+        return cls.color_re.sub("", string)
+
+
+class CommandColor:
+    """Terminal print color class."""
+
+    RED = Color.fg("#FF6347")  # Tomato
+    GREEN = Color.fg("#98FB98")  # PaleGreen
+    YELLOW = Color.fg("#FFD700")  # Gold
+
+
+def echo(msg, color="", style="", nl=True):
+    """Print to terminal.
+
+    Print special information with color and style according to the
+    incoming parameters.
+
+    Args:
+        msg: A special message.
+        color: Message color.
+        style: Message style, like: [bold, underline].
+        nl: Is there a line feed.
+    """
+    msg = "%s%s%s%s" % (style, color, msg, Fx.reset)
+    if nl:
+        msg += "\n"
+    sys.stdout.write(msg)
+    sys.stdout.flush()
+
+
+def okay(msg):
+    """Print green information."""
+    echo("%s%s%s%s" % (Fx.b, CommandColor.GREEN, msg, Fx.reset))
+
+
+def warn(msg):
+    """Print yellow information."""
+    echo("%s%s%s%s" % (Fx.b, CommandColor.YELLOW, msg, Fx.reset))
+
+
+def err(msg):
+    """Print red information."""
+    echo("%s%s%s%s" % (Fx.b, CommandColor.RED, msg, Fx.reset))
+
+
+########################## Command
+class GitOptionState:
+    NO = 0
+    ONE = 1
+    MULTI = 1 << 1
+    INTERC = 1 << 2
+    FUNC = 1 << 3
+    STRING = 1 << 4
+
+
+def add(args):
+    if args:
+        args_str = " ".join(args)
+    else:
+        args_str = " ."
+
+    run_cmd("git add " + args_str)
+
+
+def fetch_remote_branch(args):
+    branch = args[0] if len(args) > 1 else None
+
+    if branch:
+        run_cmd("git fetch origin {}:{} ".format(branch, branch))
+    else:
+        warn("This option need a branch name.")
+
+
+def set_email_and_username(args):
+    __global = re.compile(r"\-\-global")
+    res = []
+    for i in args:
+        r = __global.search(i)
+        if r is not None:
+            res.append(i)
+    if res:
+        other = " --global "
+    else:
+        other = " "
+
+    name = input("Please input username:")
+    run_cmd(GIT_OPTIONS["user"]["command"] + other + name)
+    email = input("Please input email:")
+    run_cmd(GIT_OPTIONS["email"]["command"] + other + email)
+
+
+def process_func(c, args):
+    fn = GIT_OPTIONS[c]["command"]
+    fn(args)
+
+
+def process_origin_command(c, args):
+    origin_command = GIT_OPTIONS[c]["command"]
+
+    if args:
+        args_str = " ".join(args)
+        command = " ".join([origin_command, args_str])
+    else:
+        command = origin_command
+
+    warn(command)
+    run_cmd(command)
+
+
+def process(c, args=None):
+    try:
+        state = GIT_OPTIONS[c]["state"]
+    except Exception:
+        echo("Don't support this command, please try ", nl=False)
+        warn("g --show-commands")
+        raise SystemExit(0)
+
+    if state & GitOptionState.FUNC:
+        process_func(c, args)
+    elif state & GitOptionState.STRING:
+        process_origin_command(c, args)
+
+
+TYPES = [
+    "Branch",
+    "Commit",
+    "Conflict",
+    "Fetch",
+    "Index",
+    "Log",
+    "Merge",
+    "Push",
+    "Remote",
+    "Stash",
+    "Tag",
+    "Working tree",
+    "Setting",
+]
+
+# Global command dictionary, including attributes:
+#     command type,
+#     complete command,
+#     help information
+GIT_OPTIONS = {
+    # Branch
+    "b": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": "git branch ",
+        "help-msg": "lists, creates, renames, and deletes branches.",
+    },
+    "bc": {
+        "state": GitOptionState.STRING | GitOptionState.ONE,
+        "command": "git checkout -b ",
+        "help-msg": "creates a new branch.",
+    },
+    "bl": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": "git branch -vv ",
+        "help-msg": "lists branches and their commits.",
+    },
+    "bL": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": "git branch --all -vv ",
+        "help-msg": "lists local and remote branches and their commits.",
+    },
+    "bs": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": "git show-branch ",
+        "help-msg": "lists branches and their commits with ancestry graphs.",
+    },
+    "bS": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": "git show-branch --all ",
+        "help-msg": "lists local and remote branches and their commits with ancestry graphs.",
+    },
+    "bm": {
+        "state": GitOptionState.STRING | GitOptionState.ONE,
+        "command": "git branch --move ",
+        "help-msg": "renames a branch.",
+    },
+    "bM": {
+        "state": GitOptionState.STRING | GitOptionState.ONE,
+        "command": "git branch --move --force ",
+        "help-msg": "renames a branch even if the new branch name already exists.",
+    },
+    # Commit
+    "c": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git commit --verbose ",
+        "help-msg": "records changes to the repository.",
+    },
+    "ca": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git commit --verbose --all ",
+        "help-msg": "commits all modified and deleted files.",
+    },
+    "cA": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git commit --verbose --patch ",
+        "help-msg": "commits all modified and deleted files interactivly.",
+    },
+    "cm": {
+        "state": GitOptionState.STRING | GitOptionState.ONE,
+        "command": "git commit --verbose --message ",
+        "help-msg": "commits with the given message.",
+    },
+    "co": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git checkout ",
+        "help-msg": "checks out a branch or paths to the working tree.",
+    },
+    "cO": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git checkout --pathc ",
+        "help-msg": "checks out hunks from the index or the tree interactively.",
+    },
+    "cf": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": "git commit --amend --reuse-message HEAD ",
+        "help-msg": "amends the tip of the current branch reusing the same log message as HEAD.",
+    },
+    "cF": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git commit --verbose --amend ",
+        "help-msg": "amends the tip of the current branch.",
+    },
+    "cr": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git revert ",
+        "help-msg": "reverts existing commits by reverting patches and recording new commits.",
+    },
+    "cR": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": 'git reset "HEAD^" ',
+        "help-msg": "removes the HEAD commit.",
+    },
+    "cs": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": 'git show --pretty=format:"%C(bold yellow)commit %H%C(auto)%d%n%C(bold)Author: %C(blue)%an <%ae> %C(reset)%C(cyan)%ai (%ar)%n%C(bold)Commit: %C(blue)%cn <%ce> %C(reset)%C(cyan)%ci (%cr)%C(reset)%n%+B"',
+        "help-msg": "shows one or more objects (blobs, trees, tags and commits).",
+    },
+    # Conflict(C)
+    "Cl": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": "git --no-pager diff --diff-filter=U --name-only ",
+        "help-msg": "lists unmerged files.",
+    },
+    "Ca": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git add git --no-pager diff --diff-filter=U --name-only ",
+        "help-msg": "adds unmerged file contents to the index.",
+    },
+    "Ce": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git mergetool git --no-pager diff --diff-filter=U --name-only ",
+        "help-msg": "executes merge-tool on all unmerged files.",
+    },
+    "Co": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git checkout --ours -- ",
+        "help-msg": "checks out our changes for unmerged paths.",
+    },
+    "CO": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": "git checkout --ours -- git --no-pager diff --diff-filter=U --name-only ",
+        "help-msg": "checks out our changes for all unmerged paths.",
+    },
+    "Ct": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git checkout --theirs -- ",
+        "help-msg": "checks out their changes for unmerged paths.",
+    },
+    "CT": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": "git checkout --theirs -- git --no-pager diff --diff-filter=U --name-only ",
+        "help-msg": "checks out their changes for all unmerged paths.",
+    },
+    # Fetch(f)
+    "f": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git fetch ",
+        "help-msg": "downloads objects and references from another repository.",
+    },
+    "fc": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git clone ",
+        "help-msg": "clones a repository into a new directory.",
+    },
+    "fC": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git clone --depth=1 ",
+        "help-msg": "clones a repository into a new directory clearly(depth:1).",
+    },
+    "fm": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git pull ",
+        "help-msg": "fetches from and merges with another repository or local branch.",
+    },
+    "fr": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git pull --rebase ",
+        "help-msg": "fetches from and rebase on top of another repository or local branch.",
+    },
+    "fu": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git fetch --all --prune && git merge --ff-only @{u} ",
+        "help-msg": "removes un-existing remote-tracking references, fetches all remotes and merges.",
+    },
+    "fb": {
+        "state": GitOptionState.FUNC | GitOptionState.ONE,
+        "command": fetch_remote_branch,
+        "help-msg": "fetch other branch to local as same name.",
+    },
+    # Index(i)
+    "ia": {
+        "state": GitOptionState.FUNC | GitOptionState.MULTI,
+        "command": add,
+        "help-msg": "adds file contents to the index(default: all files).",
+    },
+    "iA": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git add --patch ",
+        "help-msg": "adds file contents to the index interactively.",
+    },
+    "iu": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git add --update ",
+        "help-msg": "adds file contents to the index (updates only known files).",
+    },
+    "id": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git diff --no-ext-diff --cached ",
+        "help-msg": "displays changes between the index and a named commit (diff).",
+    },
+    "iD": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git diff --no-ext-diff --cached --word-diff ",
+        "help-msg": "displays changes between the index and a named commit (word diff).",
+    },
+    "ir": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git reset ",
+        "help-msg": "resets the current HEAD to the specified state.",
+    },
+    "iR": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git reset --patch ",
+        "help-msg": "resets the current index interactively.",
+    },
+    "ix": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git rm --cached -r ",
+        "help-msg": "removes files from the index (recursively).",
+    },
+    "iX": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git rm --cached -rf ",
+        "help-msg": "removes files from the index (recursively and forced).",
+    },
+    # Log(l)
+    "l": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git log --graph --all --decorate ",
+        "help-msg": "displays the log with good format.",
+    },
+    "l1": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git log --graph --all --decorate --oneline ",
+        "help-msg": "",
+    },
+    "ls": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": 'git log --topo-order --stat --pretty=format:"%C(bold yellow)commit %H%C(auto)%d%n%C(bold)Author: %C(blue)%an <%ae> %C(reset)%C(cyan)%ai (%ar)%n%C(bold)Commit: %C(blue)%cn <%ce> %C(reset)%C(cyan)%ci (%cr)%C(reset)%n%+B" ',
+        "help-msg": "displays the stats log.",
+    },
+    "ld": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": 'git log --topo-order --stat --patch --pretty=format:"%C(bold yellow)commit %H%C(auto)%d%n%C(bold)Author: %C(blue)%an <%ae> %C(reset)%C(cyan)%ai (%ar)%n%C(bold)Commit: %C(blue)%cn <%ce> %C(reset)%C(cyan)%ci (%cr)%C(reset)%n%+B" ',
+        "help-msg": "displays the diff log.",
+    },
+    "lv": {
+        "state": GitOptionState.STRING | GitOptionState.NO,
+        "command": 'git log --topo-order --show-signature --pretty=format:"%C(bold yellow)commit %H%C(auto)%d%n%C(bold)Author: %C(blue)%an <%ae> %C(reset)%C(cyan)%ai (%ar)%n%C(bold)Commit: %C(blue)%cn <%ce> %C(reset)%C(cyan)%ci (%cr)%C(reset)%n%+B" ',
+        "help-msg": "displays the log, verifying the GPG signature of commits.",
+    },
+    "lc": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git shortlog --summary --numbered ",
+        "help-msg": "displays the commit count for each contributor in descending order.",
+    },
+    "lr": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git reflog ",
+        "help-msg": "manages reflog information.",
+    },
+    # Merge(m)
+    "m": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git merge ",
+        "help-msg": "joins two or more development histories together.",
+    },
+    "ma": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git merge --abort ",
+        "help-msg": "aborts the conflict resolution, and reconstructs the pre-merge state.",
+    },
+    "mC": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git merge --no-commit ",
+        "help-msg": "performs the merge but does not commit.",
+    },
+    "mF": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git merge --no-ff ",
+        "help-msg": "creates a merge commit even if the merge could be resolved as a fast-forward.",
+    },
+    "mS": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git merge -S ",
+        "help-msg": "performs the merge and GPG-signs the resulting commit.",
+    },
+    "mv": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git merge --verify-signatures ",
+        "help-msg": "verifies the GPG signature of the tip commit of the side branch being merged.",
+    },
+    "mt": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git mergetool ",
+        "help-msg": "runs the merge conflict resolution tools to resolve conflicts.",
+    },
+    # Push(p)
+    "p": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git push ",
+        "help-msg": "updates remote refs along with associated objects.",
+    },
+    "pf": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git push --force-with-lease ",
+        "help-msg": 'forces a push safely (with "lease").',
+    },
+    "pF": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git push --force ",
+        "help-msg": "forces a push. ",
+    },
+    "pa": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git push --all ",
+        "help-msg": "pushes all branches.",
+    },
+    "pA": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git push --all && git push --tags ",
+        "help-msg": "pushes all branches and tags.",
+    },
+    "pt": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git push --tags ",
+        "help-msg": "pushes all tags.",
+    },
+    "pc": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": 'git push --set-upstream origin "$(git symbolic-ref -q --short HEAD 2> /dev/null)" ',
+        "help-msg": "pushes the current branch and adds origin as an upstream reference for it.",
+    },
+    "pp": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": 'git pull origin "$(git symbolic-ref -q --short HEAD 2> /dev/null)" && git push origin "$(git symbolic-ref -q --short HEAD 2> /dev/null)" ',
+        "help-msg": "pulls and pushes the current branch from origin to origin.",
+    },
+    # Remote(R)
+    "R": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git remote ",
+        "help-msg": "manages tracked repositories.",
+    },
+    "Rl": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git remote --verbose ",
+        "help-msg": "lists remote names and their URLs.",
+    },
+    "Ra": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git remote add ",
+        "help-msg": "adds a new remote.",
+    },
+    "Rx": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git remote rm ",
+        "help-msg": "removes a remote.",
+    },
+    "Rm": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git remote rename ",
+        "help-msg": "renames a remote.",
+    },
+    "Ru": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git remote update ",
+        "help-msg": "fetches remotes updates.",
+    },
+    "Rp": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git remote prune ",
+        "help-msg": "prunes all stale remote tracking branches.",
+    },
+    "Rs": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git remote show ",
+        "help-msg": "shows information about a given remote.",
+    },
+    "RS": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git remote set-url ",
+        "help-msg": "changes URLs for a remote.",
+    },
+    # Stash(s)
+    "s": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git stash ",
+        "help-msg": "stashes the changes of the dirty working directory.",
+    },
+    "sp": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git stash pop ",
+        "help-msg": "removes and applies a single stashed state from the stash list.",
+    },
+    "sl": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git stash list ",
+        "help-msg": "lists stashed states.",
+    },
+    "sd": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git stash show",
+        "help-msg": "",
+    },
+    "sD": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git stash show --patch --stat",
+        "help-msg": "",
+    },
+    # 'sr': {
+    #     'state': GitOptionState.STRING | GitOptionState.MULTI,
+    #     'command': '_git_stash_recover ',
+    #     'help-msg': '',
+    # },
+    # 'sc': {
+    #     'state': GitOptionState.STRING | GitOptionState.MULTI,
+    #     'command': '_git_clear_stash_interactive',
+    #     'help-msg': '',
+    # },
+    # Tag (t)
+    "t": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git tag ",
+        "help-msg": "creates, lists, deletes or verifies a tag object signed with GPG.",
+    },
+    "ta": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git tag -a ",
+        "help-msg": "create a new tag.",
+    },
+    "tx": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git tag --delete ",
+        "help-msg": "deletes tags with given names.",
+    },
+    # Working tree(w)
+    "ws": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git status --short ",
+        "help-msg": "displays working-tree status in the short format.",
+    },
+    "wS": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git status ",
+        "help-msg": "displays working-tree status.",
+    },
+    "wd": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git diff --no-ext-diff ",
+        "help-msg": "displays changes between the working tree and the index (diff).",
+    },
+    "wD": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git diff --no-ext-diff --word-diff ",
+        "help-msg": "displays changes between the working tree and the index (word diff).",
+    },
+    "wr": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git reset --soft ",
+        "help-msg": "resets the current HEAD to the specified state, does not touch the index nor the working tree.",
+    },
+    "wR": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git reset --hard ",
+        "help-msg": "resets the current HEAD, index and working tree to the specified state.",
+    },
+    "wc": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git clean --dry-run ",
+        "help-msg": "cleans untracked files from the working tree (dry-run).",
+    },
+    "wC": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git clean -d --force ",
+        "help-msg": "cleans untracked files from the working tree.",
+    },
+    "wm": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git mv ",
+        "help-msg": "moves or renames files.",
+    },
+    "wM": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git mv -f ",
+        "help-msg": "moves or renames files (forced).",
+    },
+    "wx": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git rm -r ",
+        "help-msg": "removes files from the working tree and from the index (recursively).",
+    },
+    "wX": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git rm -rf ",
+        "help-msg": "removes files from the working tree and from the index (recursively and forced).",
+    },
+    # Setting
+    "savepd": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git config credential.helper store ",
+        "help-msg": "Remember your account and password.",
+    },
+    "ue": {
+        "state": GitOptionState.FUNC | GitOptionState.NO,
+        "command": set_email_and_username,
+        "help-msg": "set email and username interactively.",
+    },
+    "user": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git config user.name ",
+        "help-msg": "",
+    },
+    "email": {
+        "state": GitOptionState.STRING | GitOptionState.MULTI,
+        "command": "git config user.email ",
+        "help-msg": "",
+    },
+    # 'clear': {
+    #     'state': GitOptionState.STRING | GitOptionState.MULTI,
+    #     'command': '_git_clear ${@:2:$((${#@}))} ',
+    #     'help-msg': '',
+    # },
+    # 'ignore': {
+    #     'state': GitOptionState.STRING | GitOptionState.MULTI,
+    #     'command': '_git_ignore_files ${@:2:$((${#@}))} ',
+    #     'help-msg': '',
+    # },
+}
+
+########################### Completion
+_TEMPLATE_ZSH = """\
+#compdef g
+
+complete_g(){
+local curcontext="$curcontext" state line ret=1
+typeset -A opt_args
+
+_alternative\\
+  \'args:options arg:((\\
+%s
+  ))\'\\
+  'files:filename:_files'
+return ret
+}
+
+compdef complete_g g
+"""
+
+_TEMPLATE_BASH = """\
+#!/usr/env bash
+
+_complete_g(){
+  if [[ "${COMP_CWORD}" == "1" ]];then
+    COMP_WORD="%s"
+    COMPREPLY=($(compgen -W "$COMP_WORD" -- ${COMP_WORDS[${COMP_CWORD}]}))
+  fi
+}
+
+complete -F _complete_g g
+"""
+
+
+def get_current_shell():
+    """Gets the currently used shell.
+
+    Returns:
+        shell_: Current shell string.
+    """
+    current_shell = ""
+    _, resp = run_cmd_with_resp("echo $SHELL")
+    if resp:
+        current_shell = resp.split("/")[-1].strip()
+    return current_shell
+
+
+def ensure_config_path(file_name):
+    """Check config path.
+
+    Check whether the configuration directory exists, if not, try to create
+    it. Failed to exit, successfully returned to complete the file path.
+
+    Args:
+        file_name: Completion prompt script name.
+
+    Returns:
+        file_path: Full path of completion prompt script.
+    """
+    Log.debug("{}, {}".format(TOOLS_HOME, file_name))
+    if not os.path.exists(TOOLS_HOME):
+        try:
+            os.mkdir(TOOLS_HOME)
+        except Exception as e:
+            exit_(1, e)
+
+    file_path = "{}/{}".format(TOOLS_HOME, file_name)
+    return file_path
+
+
+def generate_complete_script(template, fn, name="_g"):
+    """Generate completion scirpt.
+
+    Generate the completion script of the corresponding shell according to
+    the template.
+
+    Args:
+        template: Script template.
+        fn: Method of generating script content.
+        name: Completion script name.
+    """
+    complete_src = fn()
+    script_src = template % (complete_src)
+
+    try:
+        with open("%s/%s" % (TOOLS_HOME, name), "w") as f:
+            for line in script_src:
+                f.write(line)
+    except Exception as e:
+        exit_(1, e)
+
+
+def using_completion(file_name, path, config_path):
+    """Try using completion script.
+
+    Inject the load of completion script into the configuration of shell.
+    If it exists in the configuration, the injection will not be repeated.
+
+    Args:
+        file_name: generated completion script.
+        path: `fungit` configuration path.
+        config_path: shell configuration path.
+    """
+    try:
+        with open(config_path) as f:
+            shell_conf = f.read()
+            _re = re.compile(r"\/\.config\/pygittools/([^\s]+)")
+            files = _re.findall(shell_conf)
+    except Exception as e:
+        exit_(1, e)
+
+    has_injected = False
+    if files:
+        for file in files:
+            if file == file_name:
+                has_injected = True
+    Log.debug("has_injected: {}".format(has_injected))
+
+    if not has_injected:
+        try:
+            run_cmd('echo "source %s" >> %s ' % (path, config_path))
+        except Exception as e:
+            exit_(1, e)
+        okay("\nPlease run: source {}".format(config_path))
+    else:
+        warn("This configuration already exists.")
+
+
+def add_zsh_completion():
+    """Add Zsh completion prompt script."""
+
+    _name = "_g"
+    _path = ensure_config_path(_name)
+
+    def gen_completion():
+        vars = []
+
+        for k in GIT_OPTIONS.keys():
+            desc = GIT_OPTIONS[k]["help-msg"]
+            if not desc:
+                desc = "no description."
+            vars.append('    {}\\:"{}"\\\n'.format(k, desc))
+
+        return ("\n".join(vars)).rstrip()
+
+    generate_complete_script(_TEMPLATE_ZSH, gen_completion, _name)
+
+    using_completion(_name, _path, USER_HOME + "/.zshrc")
+
+
+def add_bash_completion():
+    """Add Bash completion prompt script."""
+
+    _name = "complete_script"
+    _path = ensure_config_path(_name)
+
+    def gen_completion():
+        return " ".join(GIT_OPTIONS.keys())
+
+    generate_complete_script(_TEMPLATE_BASH, gen_completion, _name)
+
+    using_completion(_name, _path, USER_HOME + "/.bashrc")
+
+
+def add_completion():
+    """Add completion prompt script."""
+    echo("\nTry to add completion ...")
+
+    current_shell = get_current_shell()
+    echo("Detect shell: %s" % current_shell)
+    if current_shell == "zsh":
+        add_zsh_completion()
+    elif current_shell == "bash":
+        add_bash_completion()
+    else:
+        warn("Don't support completion of %s" % current_shell)
+
+
+#################### Help msg
+def echo_one_help_msg(k):
+    """Print a tip.
+
+    Find the corresponding help information according to the `k` value and
+    print it. If the help information does not exist, print the executed
+    full command.
+
+    Args:
+        k: Short command.
+    """
+    echo("    " + k, color=CommandColor.GREEN, nl=False)
+    if GIT_OPTIONS[k]["help-msg"]:
+        msg = GIT_OPTIONS[k]["help-msg"]
+    else:
+        msg = GIT_OPTIONS[k]["command"]
+    echo((9 - len(k)) * " " + str(msg))
+
+
+def echo_help_msg():
+    """Print help message."""
+    echo("These are short commands that can replace git operations:")
+    for k in GIT_OPTIONS.keys():
+        echo_one_help_msg(k)
+
+
+def give_tip(t):
+    """Print a part of help message.
+
+    Print the help information of the corresponding part according to the
+    incoming command type string. If there is no print error prompt for the
+    type.
+
+    Args:
+        t: A command type.
+    """
+    t = t[0].upper() + t[1:].lower() if len(t) > 2 else ""
+    if t not in TYPES:
+        err("There is no such type")
+        raise SystemExit(0)
+
+    echo("These are the orders of {}".format(t))
+    prefix = t[0].lower()
+    for k in GIT_OPTIONS.keys():
+        if k.startswith(prefix):
+            echo_one_help_msg(k)
+
+
+def echo_types():
+    """Print all command types."""
+    for t in TYPES:
+        print(" {}".format(t))
+
+
+def echo_description():
+    """Print the description information"""
+    # from . import __version__
+
+    has_git = False
+    try:
+        _, git_version = run_cmd_with_resp("git --version")
+        if git_version:
+            has_git = True
+    except Exception:
+        Log.warning("Happen error when run command with get Git version")
+        git_version = ""
+
+    echo("[fungit] version: %s" % __version__, style=Fx.b)
+    echo(git_version)
+    echo("Description:", style=Fx.b)
+    echo(
+        (
+            "Fungit terminal tool, help you use git more simple."
+            " Support Linux and MacOS.\n"
+        ),
+        style=Fx.underline,
+    )
+
+    echo("You can use ", nl=False)
+    echo("-h", color=CommandColor.GREEN, nl=False)
+    echo(" and ", nl=False)
+    echo("--help", color=CommandColor.GREEN, nl=False)
+    echo(" to get how to use command fungit.\n")
+
+    if not has_git:
+        warn("Don't found Git, maybe need install.")
+
+
+def command_g(custom_commands=None):
+    setup_logging(debug=False, log_file=TOOLS_HOME + "/log/gittools.log")
+
+    try:
+        signal.signal(signal.SIGINT, exit_)
+    except Exception:
+        pass
+
+    args = argparse.ArgumentParser(
+        prog="g",
+        description="If you want to use some original git commands, please use -- to indicate.",
+    )
+    args.add_argument(
+        "-c", "--complete", action="store_true", help="Add shell prompt script and exit"
+    )
+    args.add_argument(
+        "-s",
+        "--show-commands",
+        action="store_true",
+        help="List all available fame and wealth and exit",
+    )
+    args.add_argument(
+        "-S",
+        "--show-command",
+        type=str,
+        metavar="TYPE",
+        dest="command_type",
+        help="According to given type list available fame and wealth and exit",
+    )
+    args.add_argument(
+        "-t",
+        "--types",
+        action="store_true",
+        help="List all command type and exit",
+    )
+    args.add_argument(
+        "command", nargs="?", default="|", type=str, help="Short git command"
+    )
+    args.add_argument("args", nargs="*", type=str, help="Command parameter list")
+    stdargs = args.parse_args()
+
+    if custom_commands is not None:
+        stdargs = args.parse_args(custom_commands)
+    # print(stdargs)
+
+    if stdargs.complete:
+        add_completion()
+        raise SystemExit(0)
+
+    if stdargs.show_commands:
+        echo_help_msg()
+        raise SystemExit(0)
+
+    if stdargs.command_type:
+        give_tip(stdargs.command_type)
+        raise SystemExit(0)
+
+    if stdargs.types:
+        echo_types()
+        raise SystemExit(0)
+
+    if stdargs.command:
+        if stdargs.command == "|":
+            echo_description()
+        else:
+            command = stdargs.command
+            process(command, stdargs.args)
diff --git a/pygittools/__main__.py b/pygittools/__main__.py
index 51bdbc9..ec0e21c 100644
--- a/pygittools/__main__.py
+++ b/pygittools/__main__.py
@@ -1,1340 +1,3 @@
-import os
-import re
-import sys
-import subprocess
-import signal
-import argparse
-import logging
-import logging.handlers
+from pygittools import command_g
 
-
-__version__ = "1.0.0-beta"
-
-USER_HOME = os.environ["HOME"]
-TOOLS_HOME = USER_HOME + "/.config/pygittools"
-Log = logging.getLogger(__name__)
-
-
-###################################### Utils
-def ensure_path(file_name):
-    if not os.path.exists(file_name):
-        dir_path = "/".join(file_name.split("/")[:-1])
-        os.makedirs(dir_path, exist_ok=True)
-
-
-EXIT_NORMAL = 0
-EXIT_ERROR = 1
-
-
-def exit_(*args):
-    """Exit program.
-
-    Receive error code, error message. If the error code matches, print the
-    error information to the log. Then the command line output prompt, and
-    finally exit.
-
-    Args:
-        *args:
-            code: Exit code.
-            msg: Error message.
-    """
-    if args and args[0] == EXIT_ERROR:
-        Log.error(args[1:])
-        print("Please check {}".format(TOOLS_HOME))
-
-    raise SystemExit(0)
-
-
-def run_cmd(*args):
-    try:
-        with subprocess.Popen(" ".join(args), shell=True) as proc:
-            proc.wait()
-    except Exception as e:
-        Log.warning(e)
-
-
-def run_cmd_with_resp(*args):
-    try:
-        with subprocess.Popen(
-            " ".join(args), stderr=subprocess.PIPE, stdout=subprocess.PIPE, shell=True
-        ) as proc:
-            res = proc.stdout.read().decode()
-            err = proc.stderr.read().decode()
-            return err, res
-    except Exception as e:
-        Log.warning(e)
-        print(e)
-        return e, ""
-
-
-#################################### Log
-FMT_NORMAL = logging.Formatter(
-    fmt="%(asctime)s %(levelname).4s %(message)s", datefmt="%H:%M:%S"
-)
-FMT_DEBUG = logging.Formatter(
-    fmt="%(asctime)s.%(msecs)03d %(levelname).4s [%(name)s] %(message)s",
-    datefmt="%H:%M:%S",
-)
-
-
-def setup_logging(debug=False, log_file="-"):
-    root_logger = logging.getLogger()
-
-    if debug:
-        log_level = logging.DEBUG
-        formatter = FMT_DEBUG
-    else:
-        log_level = logging.INFO
-        formatter = FMT_NORMAL
-
-    if log_file:
-        if log_file == "-":
-            log_handle = logging.StreamHandler()
-        else:
-            ensure_path(log_file)
-            try:
-                log_handle = logging.handlers.RotatingFileHandler(
-                    log_file, maxBytes=1048576, backupCount=4
-                )
-            except PermissionError:
-                print('No permission to write to "{}" directory!'.format(log_file))
-                raise SystemExit(1)
-
-    log_handle.setFormatter(formatter)
-    log_handle.setLevel(log_level)
-
-    root_logger.addHandler(log_handle)
-    root_logger.setLevel(0)
-
-
-# def current_repository():
-#     err, path = run_cmd_with_resp("git rev-parse --git-dir")
-
-#     if err:
-#         return ""
-
-#     path = path.strip()
-#     if path == ".git":
-#         repository_path = os.getcwd()
-#     else:
-#         repository_path = "/".join(path.split("/")[:-1])
-#     return repository_path
-
-
-################################## Style
-
-
-class Color(object):
-    """Holds representations for a 24-bit color value
-    __init__(color, depth="fg", default=False)
-    -- color accepts 6 digit hexadecimal: string "#RRGGBB", 2 digit hexadecimal: string "#FF" or decimal RGB "255 255 255" as a string.
-    -- depth accepts "fg" or "bg"
-    __call__(*args) joins str arguments to a string and apply color
-    __str__ returns escape sequence to set color
-    __iter__ returns iteration over red, green and blue in integer values of 0-255.
-    * Values:  .hexa: str  |  .dec: Tuple[int, int, int]  |  .red: int  |  .green: int  |  .blue: int  |  .depth: str  |  .escape: str
-    """
-
-    # hexa: str
-    # dec: Tuple[int, int, int]
-    # red: int
-    # green: int
-    # blue: int
-    # depth: str
-    # escape: str
-    # default: bool
-
-    TRUE_COLOR = False
-
-    def __init__(self, color, depth="fg", default=False):
-        self.depth = depth
-        self.default = default
-        try:
-            if not color:
-                self.dec = (-1, -1, -1)
-                self.hexa = ""
-                self.red = self.green = self.blue = -1
-                self.escape = "\033[49m" if depth == "bg" and default else ""
-                return
-
-            elif color.startswith("#"):
-                self.hexa = color
-                if len(self.hexa) == 3:
-                    self.hexa += self.hexa[1:3] + self.hexa[1:3]
-                    c = int(self.hexa[1:3], base=16)
-                    self.dec = (c, c, c)
-                elif len(self.hexa) == 7:
-                    self.dec = (
-                        int(self.hexa[1:3], base=16),
-                        int(self.hexa[3:5], base=16),
-                        int(self.hexa[5:7], base=16),
-                    )
-                else:
-                    raise ValueError(
-                        "Incorrectly formatted hexadecimal rgb string: {}".format(
-                            self.hexa
-                        )
-                    )
-
-            else:
-                c_t = tuple(map(int, color.split(" ")))
-                if len(c_t) == 3:
-                    self.dec = c_t  # type: ignore
-                else:
-                    raise ValueError('RGB dec should be "0-255 0-255 0-255"')
-
-            ct = self.dec[0] + self.dec[1] + self.dec[2]
-            if ct > 255 * 3 or ct < 0:
-                raise ValueError("RGB values out of range: {}".format(color))
-        except Exception:
-            # errlog.exception(str(e))
-            self.escape = ""
-            return
-
-        if self.dec and not self.hexa:
-            self.hexa = "%s%s%s" % (
-                hex(self.dec[0]).lstrip("0x").zfill(2),
-                hex(self.dec[1]).lstrip("0x").zfill(2),
-                hex(self.dec[2]).lstrip("0x").zfill(2),
-            )
-
-        if self.dec and self.hexa:
-            self.red, self.green, self.blue = self.dec
-            self.escape = "\033[%s;2;%sm" % (
-                38 if self.depth == "fg" else 48,
-                ";".join(str(c) for c in self.dec),
-            )
-
-        if Color.TRUE_COLOR:
-            self.escape = "{}".format(
-                self.truecolor_to_256(rgb=self.dec, depth=self.depth)
-            )
-
-    def __str__(self):
-        return self.escape
-
-    def __repr__(self):
-        return repr(self.escape)
-
-    def __iter__(self):
-        for c in self.dec:
-            yield c
-
-    # def __call__(self, *args: str) -> str:
-    #     if len(args) < 1:
-    #         return ""
-    #     return f'{self.escape}{"".join(args)}{getattr(Term, self.depth)}'
-
-    @staticmethod
-    def truecolor_to_256(rgb, depth="fg"):
-        out = ""
-        pre = "\033[{};5;".format("38" if depth == "fg" else "48")
-
-        greyscale = (rgb[0] // 11, rgb[1] // 11, rgb[2] // 11)
-        if greyscale[0] == greyscale[1] == greyscale[2]:
-            out = "{}{}m".format(pre, 232 + greyscale[0])
-        else:
-            out = "{}{}m".format(
-                pre,
-                round(rgb[0] / 51) * 36
-                + round(rgb[1] / 51) * 6
-                + round(rgb[2] / 51)
-                + 16,
-            )
-
-        return out
-
-    @staticmethod
-    def escape_color(hexa="", r=0, g=0, b=0, depth="fg"):
-        """Returns escape sequence to set color
-        * accepts either 6 digit hexadecimal hexa="#RRGGBB", 2 digit hexadecimal: hexa="#FF"
-        * or decimal RGB: r=0-255, g=0-255, b=0-255
-        * depth="fg" or "bg"
-        """
-        dint = 38 if depth == "fg" else 48
-        color = ""
-        if hexa:
-            try:
-                if len(hexa) == 3:
-                    c = int(hexa[1:], base=16)
-                    if Color.TRUE_COLOR:
-                        color = "\033[{};2;{};{};{}m".format(dint, c, c, c)
-                    else:
-                        color = Color.truecolor_to_256(rgb=(c, c, c), depth=depth)
-                elif len(hexa) == 7:
-                    if Color.TRUE_COLOR:
-                        color = "\033[{};2;{};{};{}m".format(
-                            dint,
-                            int(hexa[1:3], base=16),
-                            int(hexa[3:5], base=16),
-                            int(hexa[5:7], base=16),
-                        )
-                    else:
-                        color = "{}".format(
-                            Color.truecolor_to_256(
-                                rgb=(
-                                    int(hexa[1:3], base=16),
-                                    int(hexa[3:5], base=16),
-                                    int(hexa[5:7], base=16),
-                                ),
-                                depth=depth,
-                            )
-                        )
-            except ValueError:
-                # errlog.exception(f'{e}')
-                pass
-        else:
-            if Color.TRUE_COLOR:
-                color = "\033[{};2;{};{};{}m".format(dint, r, g, b)
-            else:
-                color = "{}".format(Color.truecolor_to_256(rgb=(r, g, b), depth=depth))
-        return color
-
-    @classmethod
-    def fg(cls, *args):
-        if len(args) > 2:
-            return cls.escape_color(r=args[0], g=args[1], b=args[2], depth="fg")
-        else:
-            return cls.escape_color(hexa=args[0], depth="fg")
-
-    @classmethod
-    def bg(cls, *args):
-        if len(args) > 2:
-            return cls.escape_color(r=args[0], g=args[1], b=args[2], depth="bg")
-        else:
-            return cls.escape_color(hexa=args[0], depth="bg")
-
-
-class Fx(object):
-    """Text effects
-    * trans(string: str): Replace whitespace with escape move right to not overwrite background behind whitespace.
-    * uncolor(string: str) : Removes all 24-bit color and returns string .
-    """
-
-    start = "\033["  # * Escape sequence start
-    sep = ";"  # * Escape sequence separator
-    end = "m"  # * Escape sequence end
-    # * Reset foreground/background color and text effects
-    reset = rs = "\033[0m"
-    bold = b = "\033[1m"  # * Bold on
-    unbold = ub = "\033[22m"  # * Bold off
-    dark = d = "\033[2m"  # * Dark on
-    undark = ud = "\033[22m"  # * Dark off
-    italic = i = "\033[3m"  # * Italic on
-    unitalic = ui = "\033[23m"  # * Italic off
-    underline = u = "\033[4m"  # * Underline on
-    ununderline = uu = "\033[24m"  # * Underline off
-    blink = bl = "\033[5m"  # * Blink on
-    unblink = ubl = "\033[25m"  # * Blink off
-    strike = s = "\033[9m"  # * Strike / crossed-out on
-    unstrike = us = "\033[29m"  # * Strike / crossed-out off
-
-    # * Precompiled regex for finding a 24-bit color escape sequence in a string
-    color_re = re.compile(r"\033\[\d+;\d?;?\d*;?\d*;?\d*m")
-
-    @staticmethod
-    def trans(string):
-        return string.replace(" ", "\033[1C")
-
-    @classmethod
-    def uncolor(cls, string):
-        return cls.color_re.sub("", string)
-
-
-class CommandColor:
-    """Terminal print color class."""
-
-    RED = Color.fg("#FF6347")  # Tomato
-    GREEN = Color.fg("#98FB98")  # PaleGreen
-    YELLOW = Color.fg("#FFD700")  # Gold
-
-
-def echo(msg, color="", style="", nl=True):
-    """Print to terminal.
-
-    Print special information with color and style according to the
-    incoming parameters.
-
-    Args:
-        msg: A special message.
-        color: Message color.
-        style: Message style, like: [bold, underline].
-        nl: Is there a line feed.
-    """
-    msg = "%s%s%s%s" % (style, color, msg, Fx.reset)
-    if nl:
-        msg += "\n"
-    sys.stdout.write(msg)
-    sys.stdout.flush()
-
-
-def okay(msg):
-    """Print green information."""
-    echo("%s%s%s%s" % (Fx.b, CommandColor.GREEN, msg, Fx.reset))
-
-
-def warn(msg):
-    """Print yellow information."""
-    echo("%s%s%s%s" % (Fx.b, CommandColor.YELLOW, msg, Fx.reset))
-
-
-def err(msg):
-    """Print red information."""
-    echo("%s%s%s%s" % (Fx.b, CommandColor.RED, msg, Fx.reset))
-
-
-########################## Command
-class GitOptionState:
-    NO = 0
-    ONE = 1
-    MULTI = 1 << 1
-    INTERC = 1 << 2
-    FUNC = 1 << 3
-    STRING = 1 << 4
-
-
-def add(args):
-    if args:
-        args_str = " ".join(args)
-    else:
-        args_str = " ."
-
-    run_cmd("git add " + args_str)
-
-
-def fetch_remote_branch(args):
-    branch = args[0] if len(args) > 1 else None
-
-    if branch:
-        run_cmd("git fetch origin {}:{} ".format(branch, branch))
-    else:
-        warn("This option need a branch name.")
-
-
-def set_email_and_username(args):
-    __global = re.compile(r"\-\-global")
-    res = []
-    for i in args:
-        r = __global.search(i)
-        if r is not None:
-            res.append(i)
-    if res:
-        other = " --global "
-    else:
-        other = " "
-
-    name = input("Please input username:")
-    run_cmd(GIT_OPTIONS["user"]["command"] + other + name)
-    email = input("Please input email:")
-    run_cmd(GIT_OPTIONS["email"]["command"] + other + email)
-
-
-def process_func(c, args):
-    fn = GIT_OPTIONS[c]["command"]
-    fn(args)
-
-
-def process_origin_command(c, args):
-    origin_command = GIT_OPTIONS[c]["command"]
-
-    if args:
-        args_str = " ".join(args)
-        command = " ".join([origin_command, args_str])
-    else:
-        command = origin_command
-
-    warn(command)
-    run_cmd(command)
-
-
-def process(c, args=None):
-    try:
-        state = GIT_OPTIONS[c]["state"]
-    except Exception:
-        echo("Don't support this command, please try ", nl=False)
-        warn("g --show-commands")
-        raise SystemExit(0)
-
-    if state & GitOptionState.FUNC:
-        process_func(c, args)
-    elif state & GitOptionState.STRING:
-        process_origin_command(c, args)
-
-
-TYPES = [
-    "Branch",
-    "Commit",
-    "Conflict",
-    "Fetch",
-    "Index",
-    "Log",
-    "Merge",
-    "Push",
-    "Remote",
-    "Stash",
-    "Tag",
-    "Working tree",
-    "Setting",
-]
-
-# Global command dictionary, including attributes:
-#     command type,
-#     complete command,
-#     help information
-GIT_OPTIONS = {
-    # Branch
-    "b": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": "git branch ",
-        "help-msg": "lists, creates, renames, and deletes branches.",
-    },
-    "bc": {
-        "state": GitOptionState.STRING | GitOptionState.ONE,
-        "command": "git checkout -b ",
-        "help-msg": "creates a new branch.",
-    },
-    "bl": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": "git branch -vv ",
-        "help-msg": "lists branches and their commits.",
-    },
-    "bL": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": "git branch --all -vv ",
-        "help-msg": "lists local and remote branches and their commits.",
-    },
-    "bs": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": "git show-branch ",
-        "help-msg": "lists branches and their commits with ancestry graphs.",
-    },
-    "bS": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": "git show-branch --all ",
-        "help-msg": "lists local and remote branches and their commits with ancestry graphs.",
-    },
-    "bm": {
-        "state": GitOptionState.STRING | GitOptionState.ONE,
-        "command": "git branch --move ",
-        "help-msg": "renames a branch.",
-    },
-    "bM": {
-        "state": GitOptionState.STRING | GitOptionState.ONE,
-        "command": "git branch --move --force ",
-        "help-msg": "renames a branch even if the new branch name already exists.",
-    },
-    # Commit
-    "c": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git commit --verbose ",
-        "help-msg": "records changes to the repository.",
-    },
-    "ca": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git commit --verbose --all ",
-        "help-msg": "commits all modified and deleted files.",
-    },
-    "cA": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git commit --verbose --patch ",
-        "help-msg": "commits all modified and deleted files interactivly.",
-    },
-    "cm": {
-        "state": GitOptionState.STRING | GitOptionState.ONE,
-        "command": "git commit --verbose --message ",
-        "help-msg": "commits with the given message.",
-    },
-    "co": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git checkout ",
-        "help-msg": "checks out a branch or paths to the working tree.",
-    },
-    "cO": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git checkout --pathc ",
-        "help-msg": "checks out hunks from the index or the tree interactively.",
-    },
-    "cf": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": "git commit --amend --reuse-message HEAD ",
-        "help-msg": "amends the tip of the current branch reusing the same log message as HEAD.",
-    },
-    "cF": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git commit --verbose --amend ",
-        "help-msg": "amends the tip of the current branch.",
-    },
-    "cr": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git revert ",
-        "help-msg": "reverts existing commits by reverting patches and recording new commits.",
-    },
-    "cR": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": 'git reset "HEAD^" ',
-        "help-msg": "removes the HEAD commit.",
-    },
-    "cs": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": 'git show --pretty=format:"%C(bold yellow)commit %H%C(auto)%d%n%C(bold)Author: %C(blue)%an <%ae> %C(reset)%C(cyan)%ai (%ar)%n%C(bold)Commit: %C(blue)%cn <%ce> %C(reset)%C(cyan)%ci (%cr)%C(reset)%n%+B"',
-        "help-msg": "shows one or more objects (blobs, trees, tags and commits).",
-    },
-    # Conflict(C)
-    "Cl": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": "git --no-pager diff --diff-filter=U --name-only ",
-        "help-msg": "lists unmerged files.",
-    },
-    "Ca": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git add git --no-pager diff --diff-filter=U --name-only ",
-        "help-msg": "adds unmerged file contents to the index.",
-    },
-    "Ce": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git mergetool git --no-pager diff --diff-filter=U --name-only ",
-        "help-msg": "executes merge-tool on all unmerged files.",
-    },
-    "Co": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git checkout --ours -- ",
-        "help-msg": "checks out our changes for unmerged paths.",
-    },
-    "CO": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": "git checkout --ours -- git --no-pager diff --diff-filter=U --name-only ",
-        "help-msg": "checks out our changes for all unmerged paths.",
-    },
-    "Ct": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git checkout --theirs -- ",
-        "help-msg": "checks out their changes for unmerged paths.",
-    },
-    "CT": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": "git checkout --theirs -- git --no-pager diff --diff-filter=U --name-only ",
-        "help-msg": "checks out their changes for all unmerged paths.",
-    },
-    # Fetch(f)
-    "f": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git fetch ",
-        "help-msg": "downloads objects and references from another repository.",
-    },
-    "fc": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git clone ",
-        "help-msg": "clones a repository into a new directory.",
-    },
-    "fC": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git clone --depth=1 ",
-        "help-msg": "clones a repository into a new directory clearly(depth:1).",
-    },
-    "fm": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git pull ",
-        "help-msg": "fetches from and merges with another repository or local branch.",
-    },
-    "fr": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git pull --rebase ",
-        "help-msg": "fetches from and rebase on top of another repository or local branch.",
-    },
-    "fu": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git fetch --all --prune && git merge --ff-only @{u} ",
-        "help-msg": "removes un-existing remote-tracking references, fetches all remotes and merges.",
-    },
-    "fb": {
-        "state": GitOptionState.FUNC | GitOptionState.ONE,
-        "command": fetch_remote_branch,
-        "help-msg": "fetch other branch to local as same name.",
-    },
-    # Index(i)
-    "ia": {
-        "state": GitOptionState.FUNC | GitOptionState.MULTI,
-        "command": add,
-        "help-msg": "adds file contents to the index(default: all files).",
-    },
-    "iA": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git add --patch ",
-        "help-msg": "adds file contents to the index interactively.",
-    },
-    "iu": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git add --update ",
-        "help-msg": "adds file contents to the index (updates only known files).",
-    },
-    "id": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git diff --no-ext-diff --cached ",
-        "help-msg": "displays changes between the index and a named commit (diff).",
-    },
-    "iD": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git diff --no-ext-diff --cached --word-diff ",
-        "help-msg": "displays changes between the index and a named commit (word diff).",
-    },
-    "ir": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git reset ",
-        "help-msg": "resets the current HEAD to the specified state.",
-    },
-    "iR": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git reset --patch ",
-        "help-msg": "resets the current index interactively.",
-    },
-    "ix": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git rm --cached -r ",
-        "help-msg": "removes files from the index (recursively).",
-    },
-    "iX": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git rm --cached -rf ",
-        "help-msg": "removes files from the index (recursively and forced).",
-    },
-    # Log(l)
-    "l": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git log --graph --all --decorate ",
-        "help-msg": "displays the log with good format.",
-    },
-    "l1": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git log --graph --all --decorate --oneline ",
-        "help-msg": "",
-    },
-    "ls": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": 'git log --topo-order --stat --pretty=format:"%C(bold yellow)commit %H%C(auto)%d%n%C(bold)Author: %C(blue)%an <%ae> %C(reset)%C(cyan)%ai (%ar)%n%C(bold)Commit: %C(blue)%cn <%ce> %C(reset)%C(cyan)%ci (%cr)%C(reset)%n%+B" ',
-        "help-msg": "displays the stats log.",
-    },
-    "ld": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": 'git log --topo-order --stat --patch --pretty=format:"%C(bold yellow)commit %H%C(auto)%d%n%C(bold)Author: %C(blue)%an <%ae> %C(reset)%C(cyan)%ai (%ar)%n%C(bold)Commit: %C(blue)%cn <%ce> %C(reset)%C(cyan)%ci (%cr)%C(reset)%n%+B" ',
-        "help-msg": "displays the diff log.",
-    },
-    "lv": {
-        "state": GitOptionState.STRING | GitOptionState.NO,
-        "command": 'git log --topo-order --show-signature --pretty=format:"%C(bold yellow)commit %H%C(auto)%d%n%C(bold)Author: %C(blue)%an <%ae> %C(reset)%C(cyan)%ai (%ar)%n%C(bold)Commit: %C(blue)%cn <%ce> %C(reset)%C(cyan)%ci (%cr)%C(reset)%n%+B" ',
-        "help-msg": "displays the log, verifying the GPG signature of commits.",
-    },
-    "lc": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git shortlog --summary --numbered ",
-        "help-msg": "displays the commit count for each contributor in descending order.",
-    },
-    "lr": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git reflog ",
-        "help-msg": "manages reflog information.",
-    },
-    # Merge(m)
-    "m": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git merge ",
-        "help-msg": "joins two or more development histories together.",
-    },
-    "ma": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git merge --abort ",
-        "help-msg": "aborts the conflict resolution, and reconstructs the pre-merge state.",
-    },
-    "mC": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git merge --no-commit ",
-        "help-msg": "performs the merge but does not commit.",
-    },
-    "mF": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git merge --no-ff ",
-        "help-msg": "creates a merge commit even if the merge could be resolved as a fast-forward.",
-    },
-    "mS": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git merge -S ",
-        "help-msg": "performs the merge and GPG-signs the resulting commit.",
-    },
-    "mv": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git merge --verify-signatures ",
-        "help-msg": "verifies the GPG signature of the tip commit of the side branch being merged.",
-    },
-    "mt": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git mergetool ",
-        "help-msg": "runs the merge conflict resolution tools to resolve conflicts.",
-    },
-    # Push(p)
-    "p": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git push ",
-        "help-msg": "updates remote refs along with associated objects.",
-    },
-    "pf": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git push --force-with-lease ",
-        "help-msg": 'forces a push safely (with "lease").',
-    },
-    "pF": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git push --force ",
-        "help-msg": "forces a push. ",
-    },
-    "pa": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git push --all ",
-        "help-msg": "pushes all branches.",
-    },
-    "pA": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git push --all && git push --tags ",
-        "help-msg": "pushes all branches and tags.",
-    },
-    "pt": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git push --tags ",
-        "help-msg": "pushes all tags.",
-    },
-    "pc": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": 'git push --set-upstream origin "$(git symbolic-ref -q --short HEAD 2> /dev/null)" ',
-        "help-msg": "pushes the current branch and adds origin as an upstream reference for it.",
-    },
-    "pp": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": 'git pull origin "$(git symbolic-ref -q --short HEAD 2> /dev/null)" && git push origin "$(git symbolic-ref -q --short HEAD 2> /dev/null)" ',
-        "help-msg": "pulls and pushes the current branch from origin to origin.",
-    },
-    # Remote(R)
-    "R": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git remote ",
-        "help-msg": "manages tracked repositories.",
-    },
-    "Rl": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git remote --verbose ",
-        "help-msg": "lists remote names and their URLs.",
-    },
-    "Ra": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git remote add ",
-        "help-msg": "adds a new remote.",
-    },
-    "Rx": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git remote rm ",
-        "help-msg": "removes a remote.",
-    },
-    "Rm": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git remote rename ",
-        "help-msg": "renames a remote.",
-    },
-    "Ru": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git remote update ",
-        "help-msg": "fetches remotes updates.",
-    },
-    "Rp": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git remote prune ",
-        "help-msg": "prunes all stale remote tracking branches.",
-    },
-    "Rs": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git remote show ",
-        "help-msg": "shows information about a given remote.",
-    },
-    "RS": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git remote set-url ",
-        "help-msg": "changes URLs for a remote.",
-    },
-    # Stash(s)
-    "s": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git stash ",
-        "help-msg": "stashes the changes of the dirty working directory.",
-    },
-    "sp": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git stash pop ",
-        "help-msg": "removes and applies a single stashed state from the stash list.",
-    },
-    "sl": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git stash list ",
-        "help-msg": "lists stashed states.",
-    },
-    "sd": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git stash show",
-        "help-msg": "",
-    },
-    "sD": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git stash show --patch --stat",
-        "help-msg": "",
-    },
-    # 'sr': {
-    #     'state': GitOptionState.STRING | GitOptionState.MULTI,
-    #     'command': '_git_stash_recover ',
-    #     'help-msg': '',
-    # },
-    # 'sc': {
-    #     'state': GitOptionState.STRING | GitOptionState.MULTI,
-    #     'command': '_git_clear_stash_interactive',
-    #     'help-msg': '',
-    # },
-    # Tag (t)
-    "t": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git tag ",
-        "help-msg": "creates, lists, deletes or verifies a tag object signed with GPG.",
-    },
-    "ta": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git tag -a ",
-        "help-msg": "create a new tag.",
-    },
-    "tx": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git tag --delete ",
-        "help-msg": "deletes tags with given names.",
-    },
-    # Working tree(w)
-    "ws": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git status --short ",
-        "help-msg": "displays working-tree status in the short format.",
-    },
-    "wS": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git status ",
-        "help-msg": "displays working-tree status.",
-    },
-    "wd": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git diff --no-ext-diff ",
-        "help-msg": "displays changes between the working tree and the index (diff).",
-    },
-    "wD": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git diff --no-ext-diff --word-diff ",
-        "help-msg": "displays changes between the working tree and the index (word diff).",
-    },
-    "wr": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git reset --soft ",
-        "help-msg": "resets the current HEAD to the specified state, does not touch the index nor the working tree.",
-    },
-    "wR": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git reset --hard ",
-        "help-msg": "resets the current HEAD, index and working tree to the specified state.",
-    },
-    "wc": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git clean --dry-run ",
-        "help-msg": "cleans untracked files from the working tree (dry-run).",
-    },
-    "wC": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git clean -d --force ",
-        "help-msg": "cleans untracked files from the working tree.",
-    },
-    "wm": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git mv ",
-        "help-msg": "moves or renames files.",
-    },
-    "wM": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git mv -f ",
-        "help-msg": "moves or renames files (forced).",
-    },
-    "wx": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git rm -r ",
-        "help-msg": "removes files from the working tree and from the index (recursively).",
-    },
-    "wX": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git rm -rf ",
-        "help-msg": "removes files from the working tree and from the index (recursively and forced).",
-    },
-    # Setting
-    "savepd": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git config credential.helper store ",
-        "help-msg": "Remember your account and password.",
-    },
-    "ue": {
-        "state": GitOptionState.FUNC | GitOptionState.NO,
-        "command": set_email_and_username,
-        "help-msg": "set email and username interactively.",
-    },
-    "user": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git config user.name ",
-        "help-msg": "",
-    },
-    "email": {
-        "state": GitOptionState.STRING | GitOptionState.MULTI,
-        "command": "git config user.email ",
-        "help-msg": "",
-    },
-    # 'clear': {
-    #     'state': GitOptionState.STRING | GitOptionState.MULTI,
-    #     'command': '_git_clear ${@:2:$((${#@}))} ',
-    #     'help-msg': '',
-    # },
-    # 'ignore': {
-    #     'state': GitOptionState.STRING | GitOptionState.MULTI,
-    #     'command': '_git_ignore_files ${@:2:$((${#@}))} ',
-    #     'help-msg': '',
-    # },
-}
-
-########################### Completion
-_TEMPLATE_ZSH = """\
-#compdef g
-
-complete_g(){
-local curcontext="$curcontext" state line ret=1
-typeset -A opt_args
-
-_alternative\\
-  \'args:options arg:((\\
-%s
-  ))\'\\
-  'files:filename:_files'
-return ret
-}
-
-compdef complete_g g
-"""
-
-_TEMPLATE_BASH = """\
-#!/usr/env bash
-
-_complete_g(){
-  if [[ "${COMP_CWORD}" == "1" ]];then
-    COMP_WORD="%s"
-    COMPREPLY=($(compgen -W "$COMP_WORD" -- ${COMP_WORDS[${COMP_CWORD}]}))
-  fi
-}
-
-complete -F _complete_g g
-"""
-
-
-def get_current_shell():
-    """Gets the currently used shell.
-
-    Returns:
-        shell_: Current shell string.
-    """
-    current_shell = ""
-    _, resp = run_cmd_with_resp("echo $SHELL")
-    if resp:
-        current_shell = resp.split("/")[-1].strip()
-    return current_shell
-
-
-def ensure_config_path(file_name):
-    """Check config path.
-
-    Check whether the configuration directory exists, if not, try to create
-    it. Failed to exit, successfully returned to complete the file path.
-
-    Args:
-        file_name: Completion prompt script name.
-
-    Returns:
-        file_path: Full path of completion prompt script.
-    """
-    Log.debug("{}, {}".format(TOOLS_HOME, file_name))
-    if not os.path.exists(TOOLS_HOME):
-        try:
-            os.mkdir(TOOLS_HOME)
-        except Exception as e:
-            exit_(1, e)
-
-    file_path = "{}/{}".format(TOOLS_HOME, file_name)
-    return file_path
-
-
-def generate_complete_script(template, fn, name="_g"):
-    """Generate completion scirpt.
-
-    Generate the completion script of the corresponding shell according to
-    the template.
-
-    Args:
-        template: Script template.
-        fn: Method of generating script content.
-        name: Completion script name.
-    """
-    complete_src = fn()
-    script_src = template % (complete_src)
-
-    try:
-        with open("%s/%s" % (TOOLS_HOME, name), "w") as f:
-            for line in script_src:
-                f.write(line)
-    except Exception as e:
-        exit_(1, e)
-
-
-def using_completion(file_name, path, config_path):
-    """Try using completion script.
-
-    Inject the load of completion script into the configuration of shell.
-    If it exists in the configuration, the injection will not be repeated.
-
-    Args:
-        file_name: generated completion script.
-        path: `fungit` configuration path.
-        config_path: shell configuration path.
-    """
-    try:
-        with open(config_path) as f:
-            shell_conf = f.read()
-            _re = re.compile(r"\/\.config\/pygittools/([^\s]+)")
-            files = _re.findall(shell_conf)
-    except Exception as e:
-        exit_(1, e)
-
-    has_injected = False
-    if files:
-        for file in files:
-            if file == file_name:
-                has_injected = True
-    Log.debug("has_injected: {}".format(has_injected))
-
-    if not has_injected:
-        try:
-            run_cmd('echo "source %s" >> %s ' % (path, config_path))
-        except Exception as e:
-            exit_(1, e)
-        okay("\nPlease run: source {}".format(config_path))
-    else:
-        warn("This configuration already exists.")
-
-
-def add_zsh_completion():
-    """Add Zsh completion prompt script."""
-
-    _name = "_g"
-    _path = ensure_config_path(_name)
-
-    def gen_completion():
-        vars = []
-
-        for k in GIT_OPTIONS.keys():
-            desc = GIT_OPTIONS[k]["help-msg"]
-            if not desc:
-                desc = "no description."
-            vars.append('    {}\\:"{}"\\\n'.format(k, desc))
-
-        return ("\n".join(vars)).rstrip()
-
-    generate_complete_script(_TEMPLATE_ZSH, gen_completion, _name)
-
-    using_completion(_name, _path, USER_HOME + "/.zshrc")
-
-
-def add_bash_completion():
-    """Add Bash completion prompt script."""
-
-    _name = "complete_script"
-    _path = ensure_config_path(_name)
-
-    def gen_completion():
-        return " ".join(GIT_OPTIONS.keys())
-
-    generate_complete_script(_TEMPLATE_BASH, gen_completion, _name)
-
-    using_completion(_name, _path, USER_HOME + "/.bashrc")
-
-
-def add_completion():
-    """Add completion prompt script."""
-    echo("\nTry to add completion ...")
-
-    current_shell = get_current_shell()
-    echo("Detect shell: %s" % current_shell)
-    if current_shell == "zsh":
-        add_zsh_completion()
-    elif current_shell == "bash":
-        add_bash_completion()
-    else:
-        warn("Don't support completion of %s" % current_shell)
-
-
-#################### Help msg
-def echo_one_help_msg(k):
-    """Print a tip.
-
-    Find the corresponding help information according to the `k` value and
-    print it. If the help information does not exist, print the executed
-    full command.
-
-    Args:
-        k: Short command.
-    """
-    echo("    " + k, color=CommandColor.GREEN, nl=False)
-    if GIT_OPTIONS[k]["help-msg"]:
-        msg = GIT_OPTIONS[k]["help-msg"]
-    else:
-        msg = GIT_OPTIONS[k]["command"]
-    echo((9 - len(k)) * " " + str(msg))
-
-
-def echo_help_msg():
-    """Print help message."""
-    echo("These are short commands that can replace git operations:")
-    for k in GIT_OPTIONS.keys():
-        echo_one_help_msg(k)
-
-
-def give_tip(t):
-    """Print a part of help message.
-
-    Print the help information of the corresponding part according to the
-    incoming command type string. If there is no print error prompt for the
-    type.
-
-    Args:
-        t: A command type.
-    """
-    t = t[0].upper() + t[1:].lower() if len(t) > 2 else ""
-    if t not in TYPES:
-        err("There is no such type")
-        raise SystemExit(0)
-
-    echo("These are the orders of {}".format(t))
-    prefix = t[0].lower()
-    for k in GIT_OPTIONS.keys():
-        if k.startswith(prefix):
-            echo_one_help_msg(k)
-
-
-def echo_types():
-    """Print all command types."""
-    for t in TYPES:
-        print(" {}".format(t))
-
-
-def echo_description():
-    """Print the description information"""
-    # from . import __version__
-
-    has_git = False
-    try:
-        _, git_version = run_cmd_with_resp("git --version")
-        if git_version:
-            has_git = True
-    except Exception:
-        Log.warning("Happen error when run command with get Git version")
-        git_version = ""
-
-    echo("[fungit] version: %s" % __version__, style=Fx.b)
-    echo(git_version)
-    echo("Description:", style=Fx.b)
-    echo(
-        (
-            "Fungit terminal tool, help you use git more simple."
-            " Support Linux and MacOS.\n"
-        ),
-        style=Fx.underline,
-    )
-
-    echo("You can use ", nl=False)
-    echo("-h", color=CommandColor.GREEN, nl=False)
-    echo(" and ", nl=False)
-    echo("--help", color=CommandColor.GREEN, nl=False)
-    echo(" to get how to use command fungit.\n")
-
-    if not has_git:
-        warn("Don't found Git, maybe need install.")
-
-
-def command_g(custom_commands=None):
-    setup_logging(debug=False, log_file=TOOLS_HOME + "/log/gittools.log")
-
-    try:
-        signal.signal(signal.SIGINT, exit_)
-    except Exception:
-        pass
-
-    args = argparse.ArgumentParser(
-        prog="g",
-        description="If you want to use some original git commands, please use -- to indicate.",
-    )
-    args.add_argument(
-        "-c", "--complete", action="store_true", help="Add shell prompt script and exit"
-    )
-    args.add_argument(
-        "-s",
-        "--show-commands",
-        action="store_true",
-        help="List all available fame and wealth and exit",
-    )
-    args.add_argument(
-        "-S",
-        "--show-command",
-        type=str,
-        metavar="TYPE",
-        dest="command_type",
-        help="According to given type list available fame and wealth and exit",
-    )
-    args.add_argument(
-        "-t",
-        "--types",
-        action="store_true",
-        help="List all command type and exit",
-    )
-    args.add_argument(
-        "command", nargs="?", default="|", type=str, help="Short git command"
-    )
-    args.add_argument("args", nargs="*", type=str, help="Command parameter list")
-    stdargs = args.parse_args()
-
-    if custom_commands is not None:
-        stdargs = args.parse_args(custom_commands)
-    # print(stdargs)
-
-    if stdargs.complete:
-        add_completion()
-        raise SystemExit(0)
-
-    if stdargs.show_commands:
-        echo_help_msg()
-        raise SystemExit(0)
-
-    if stdargs.command_type:
-        give_tip(stdargs.command_type)
-        raise SystemExit(0)
-
-    if stdargs.types:
-        echo_types()
-        raise SystemExit(0)
-
-    if stdargs.command:
-        if stdargs.command == "|":
-            echo_description()
-        else:
-            command = stdargs.command
-            process(command, stdargs.args)
-
-
-if __name__ == "__main__":
-    command_g()
+command_g()
diff --git a/setup.py b/setup.py
index b9308e8..6ef879c 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@
     install_requires=[],
     entry_points="""
         [console_scripts]
-        g=pygittools.__main__:command_g
+        g=pygittools:command_g
     """,
     # python_requires=">=3.7",
 )