Bash prompt with colors, git statuses, and git branches.

Providing a unique symbol for every combination of a dirty, unpulled, and unpushed git branch.

Forked from a gist by gf3.

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One line install (requires git, make):

(cd /tmp && ([[ -d sexy-bash-prompt ]] || git clone --depth 1 --config core.autocrlf=false https://github.com/twolfson/sexy-bash-prompt) && cd sexy-bash-prompt && make install) && source ~/.bashrc

If you are seeing a screen like this:

Then, your TERM environment variable may never have been configured. Run the script below to prefix our prompt with a TERM setup

cat > /tmp/.bash_prompt_term <<EOF
#!/usr/bin/env bash
# Determine what type of terminal we are using for \`tput\`
if [[ \$COLORTERM = gnome-* && \$TERM = xterm ]]  && infocmp gnome-256color >/dev/null 2>&1; then export TERM=gnome-256color
elif [[ \$TERM != dumb ]] && infocmp xterm-256color >/dev/null 2>&1; then export TERM=xterm-256color
fi

EOF
chmod +x /tmp/.bash_prompt_term
cat ~/.bash_prompt >> /tmp/.bash_prompt_term
cp /tmp/.bash_prompt_term ~/.bash_prompt
rm /tmp/.bash_prompt_term

Requirements: git, make

# Clone the repository
git clone --depth 1 --config core.autocrlf=false https://github.com/twolfson/sexy-bash-prompt
# Cloning into 'sexy-bash-prompt'...
# ...
# Resolving deltas: 100% (13/13), done.

# Go into the directory
cd sexy-bash-prompt
# Install the script
make install
# # Copying .bash_prompt to ~/.bash_prompt
# cp -f ".bash_prompt" "/home/todd/.bash_prompt"
# ./install.bash
# # twolfson/sexy-bash-prompt installation complete!

# Rerun your ~/.bashrc
source ~/.bashrc
# todd at Euclid in ~/github/sexy-bash-prompt on master
# Your PS1 should now look like this!

Behavior can be customized with the following environment variables:

• PROMPT_SHOW_ERROR_ONCE - If enabled (default), then will only show error color once per command execution
  • bash persists a non-zero exit code across missing commands (e.g. comment line only, keyboard interrupt, empty command)
  • Setting this to 1 (default) means show error status once, 0 means always show same error status until a new command is executed

Colors can be customized by editing .bash_prompt directly, or by setting the following environment variables:

• PROMPT_USER_COLOR - Color for username (e.g. todd)
• PROMPT_PREPOSITION_COLOR - Color for 'at', 'in', 'on'
• PROMPT_DEVICE_COLOR - Color for machine name (e.g. Euclid)
• PROMPT_DIR_COLOR - Color for directory (e.g. ~/github/sexy-bash-prompt)
• PROMPT_GIT_STATUS_COLOR - Color for git branch and symbol (e.g. master)
• PROMPT_GIT_PROGRESS_COLOR - Color for in progress git actions (e.g. [merge])
• PROMPT_SYMBOL_COLOR - Color for prompt symbol by default or on success (e.g. $)
• PROMPT_SYMBOL_ERROR_COLOR - Color for prompt symbol on error (e.g. $)

You can set colors via tput or ANSI escape codes. For example:

# Inside your `.bashrc` or `.bash_profile`
PROMPT_USER_COLOR="$(tput bold)$(tput setaf 9)" # BOLD RED
source ~/.bash_prompt

Similarly, symbols can be customized with the following environment variables:

• PROMPT_SYNCED_SYMBOL - Symbol for clean and synced branch (e.g. empty string)
• PROMPT_DIRTY_SYNCED_SYMBOL - Symbol for dirty and synced branch (e.g. *)
• PROMPT_UNPUSHED_SYMBOL - Symbol for unpushed branch (e.g. △)
• PROMPT_DIRTY_UNPUSHED_SYMBOL - Symbol for dirty and unpushed branch (e.g. ▲)
• PROMPT_UNPULLED_SYMBOL - Symbol for unpulled branch (e.g. ▽)
• PROMPT_DIRTY_UNPULLED_SYMBOL - Symbol for dirty and unpulled branch (e.g. ▼)
• PROMPT_UNPUSHED_UNPULLED_SYMBOL - Symbol for unpushed and unpulled branch (e.g. ⬡)
• PROMPT_DIRTY_UNPUSHED_UNPULLED_SYMBOL - Symbol for dirty, unpushed, and unpulled branch (e.g. ⬢)
• PROMPT_SYMBOL - Symbol given after each prompt (e.g. $)
  • By default, this is $ for normal users and # for root

# Inside your `.bashrc` or `.bash_profile`
PROMPT_UNPUSHED_SYMBOL="↑"
source ~/.bash_prompt

In some situations, the default symbol set can be drawn incorrectly (e.g. as diamonds). To remedy that, a simpler set of symbols can be used:

PROMPT_SYNCED_SYMBOL=""
PROMPT_DIRTY_SYNCED_SYMBOL="*"
PROMPT_UNPUSHED_SYMBOL="↑"
PROMPT_DIRTY_UNPUSHED_SYMBOL="*↑"
PROMPT_UNPULLED_SYMBOL="↓"
PROMPT_DIRTY_UNPULLED_SYMBOL="*↓"
PROMPT_UNPUSHED_UNPULLED_SYMBOL="*↑↓"
PROMPT_DIRTY_UNPUSHED_UNPULLED_SYMBOL="*↑↓"

bash provides a special set of variables for your prompts. PS1 is the one used by default. The install script adds a command to ~/.bashrc, a file that is run every time a new terminal opens. Inside of the new command, we run our script and set your PROMPT_COMMAND and PS1 which runs some git commands to determine its current state and outputs them as a string.

Linux and Mac OSX are supported platforms.

Windows is supported to the best of my abilities. However, there have been font issues with using PuTTY.

To uninstall sexy-bash-prompt, perform the following steps:

• Remove . ~/.bash_prompt from ~/.bashrc
• Delete ~/.bash_prompt (e.g. rm ~/.bash_prompt)
• During installation, we may have added a . ~/.bashrc invocation to ~/.bash_profile, ~/.bash_login, or ~/.profile
  • Feel free to remove this if it's no longer necessary

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Test via make test.

Copyright (c) 2013 Todd Wolfson

Licensed under the MIT license.