https://github.com/jwodder/ps1.py

Yet another bash/zsh custom prompt script
https://github.com/jwodder/ps1.py

available-on-pypi bash git prompt ps1 python zsh

Last synced: 3 days ago
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Yet another bash/zsh custom prompt script

• Host: GitHub
• URL: https://github.com/jwodder/ps1.py
• Owner: jwodder
• License: mit
• Created: 2018-04-13T18:34:16.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2024-07-11T10:52:29.000Z (3 months ago)
• Last Synced: 2024-09-13T06:04:46.104Z (20 days ago)
• Topics: available-on-pypi, bash, git, prompt, ps1, python, zsh
• Language: Python
• Homepage:
• Size: 206 KB
• Stars: 5
• Watchers: 4
• Forks: 2
• Open Issues: 7
• Metadata Files:
  • Readme: README.rst
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

        
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    :alt: MIT License

`GitHub `_

| `PyPI `_

| `Issues `_

``jwodder-ps1`` is yet another program for Git-aware customization of the

command prompt in Bash and zsh.  Unlike all the others, I wrote this one, so

it's better.

.. image:: https://github.com/jwodder/ps1.py/raw/master/screenshot.png

Features:

- Lets you know if you have mail in ``$MAIL``

- Shows chroot, `virtualenv `_, and `Conda

  `_ environment prompt prefixes

- Automatically truncates the current directory path if it gets too long

- Shows the status of the current Git repository (see below)

- Supports both Bash and zsh

- Can optionally output just the Git status, in case you want to combine it

  with your own prompt string

Installation & Setup

====================

``jwodder-ps1`` requires Python 3.9 or higher.  You'll also need a Bash or zsh

shell to set the program up in, and you'll need ``git`` v1.7.10+ installed in

order to get status information about Git repositories.

Install the ``jwodder-ps1`` command by using `pip `_ or

similar (using `pipx `_ is recommended) to install the

package of the same name from PyPI.

If you use Bash, configure it to use ``jwodder-ps1`` for the prompt by adding

the following line to the end of your ``~/.bashrc``:

.. code:: shell

    PROMPT_COMMAND="$PROMPT_COMMAND"'; PS1="$(jwodder-ps1 "${PS1_GIT:-}")"'

If you use zsh instead, add the following to the end of your ``~/.zshrc``:

.. code:: shell

    precmd_jwodder_ps1() { PS1="$(jwodder-ps1 --zsh "${PS1_GIT:-}")" }

    precmd_functions+=( precmd_jwodder_ps1 )

If you want to use just the Git status portion of the script's output and

combine it with your own prompt string, replace the ``PS1`` assignment with

your desired prompt, with ``$(jwodder-ps1 --git-only "${PS1_GIT:-}")`` inserted

where you want the Git status string.

Depending on how ``jwodder-ps1`` was installed and what the value of your

``PATH`` is, you may have to use the full path to the ``jwodder-ps1``

executable instead.

Once ``jwodder-ps1`` is configured, open a new shell and enjoy!

If the Git integration causes you trouble (either because something breaks or

just because it's taking too long to run), it can be temporarily disabled by

running ``PS1_GIT=off`` on the command line.

Usage

=====

::

    jwodder-ps1 [] []

The ``jwodder-ps1`` command outputs a single line containing a stylized prompt

string for the current directory.  By default, the stylization is in a format

usable in Bash's ``PS1`` variable, though the ``--ansi`` and ``--zsh`` option

can be supplied to change the format.

``jwodder-ps1`` takes a single optional argument.  If this argument is "off",

then the Git integration is disabled.  If it is any other value or not

specified, the Git integration is enabled.

Options

-------

--ansi          Format output for direct display

--bash          Format output for use in Bash's ``PS1`` (default)

-G, --git-only  Only output the Git status string (including leading

                separator); output an empty line if not in a Git repository or

                if "off" is given on the command line

--git-timeout SECONDS

                If running ``git status`` takes longer than the given number of

                seconds (default: 3), disable the Git integration

--no-hostname   Do not include the local hostname in the prompt string

-T THEME, --theme THEME

                Select the theme to use for coloring prompt elements.  The

                available themes are ``dark`` (the default, for use with light

                text on dark backgrounds) and ``light`` (for use with dark text

                on light backgrounds).

--zsh           Format output for use in zsh's ``PS1``

-V, --version   Display version information and exit

-h, --help      Display usage information and exit

Git Status Symbols

==================

When inside a Git repository, a number of symbols showing the current ``HEAD``

and its status are added near the end of the prompt.  Except for the ``@``

separator and the ``HEAD`` itself, individual symbols are omitted when not

relevant.  From left to right, the symbols are:

- ``@`` — separator

- ``+`` (bold light yellow) — Indicates there are stashed changes

- The name of the ``HEAD`` (light green): the name of the current branch (if

  any), or the name of the currently checked-out tag (if any), or the short

  form of the current commit hash.  This is light blue when the repository is

  in a detached ``HEAD`` state.

  This string is truncated if it gets too long.

- ``+n`` (green) — how many commits ``HEAD`` is ahead of upstream

- ``-n`` (red) — how many commits ``HEAD`` is behind upstream

- ``*`` — Indicates whether there are any staged or unstaged changes in the

  working tree:

  - Green: There are staged changes

  - Red: There are unstaged changes

  - Bold light yellow: There are both staged and unstaged changes

- ``+`` (bold red) — Indicates there are untracked files in the working tree

- ``[STATE]`` (magenta) — Shows what activity Git is currently in the middle

  of, if any:

  - ``[BSECT]`` — bisecting

  - ``[CHYPK]`` — cherry-picking

  - ``[MERGE]`` — merging

  - ``[REBAS]`` — rebasing

  - ``[REVRT]`` — reverting

- ``!`` (bold red) — Indicates there are paths with merge conflicts