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@adhadse
Last active July 13, 2022 12:40
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A custom prompt for bash that sets python virtual environment, conda venv and git branch name on prompt (with colorful text)
# Custom Prompt
# The various escape codes that we can use to color our prompt.
RED="\[\033[0;31m\]"
YELLOW="\[\033[1;33m\]"
GREEN="\[\033[0;32m\]"
USERNAME="\[\033[0;35m\]"
DIRCOLOR="\[\033[0;38;5;50m\]"
BLUE="\[\033[1;096m\]"
LIGHT_RED="\[\033[1;31m\]"
LIGHT_GREEN="\[\033[1;32m\]"
WHITE="\[\033[1;37m\]"
LIGHT_GRAY="\[\033[0;37m\]"
COLOR_NONE="\[\e[0m\]"
# determine git branch name
function parse_git_branch(){
git branch --show-current 2> /dev/null | awk '{print $1}'
}
# determine mercurial branch name
function parse_hg_branch(){
hg branch 2> /dev/null | awk '{print $1}'
}
# Determine the branch/state information for this git repository.
function set_git_branch() {
# Get and set the name of the branch.
git_branch=$(parse_git_branch)
hg_branch=$(parse_hg_branch)
# if not git then maybe mercurial
if [ "$git_branch" != "" ]; then
BRANCH=" ${LIGHT_GREEN}${git_branch}${COLOR_NONE}"
elif [ "$hg_branch" != "" ]; then
BRANCH=" ${LIGHT_GREEN}${hg_branch}${COLOR_NONE}"
else
BRANCH=""
fi
}
# Return the prompt symbol to use, colorized based on the return value of the
# previous command.
function set_prompt_symbol () {
if test $1 -eq 0 ; then
PROMPT_SYMBOL=" \$"
else
PROMPT_SYMBOL=" ${LIGHT_RED}\$${COLOR_NONE}"
fi
}
# Determine active Python virtualenv details.
function set_virtualenv () {
if test -z "$VIRTUAL_ENV" ; then
PYTHON_VIRTUALENV=""
else
PYTHON_VIRTUALENV=" ${BLUE}`basename \"$VIRTUAL_ENV\"`${COLOR_NONE}"
fi
}
# Determine active Anaconda env details
function set_anacondaenv () {
if test -z "$CONDA_PREFIX" ; then
CONDA_VIRTUALENV=""
else
conda_prefix="$CONDA_PREFIX"
CONDA_VIRTUALENV=" conda>${BLUE}${conda_prefix##*/}${COLOR_NONE}"
fi
}
# Set the full bash prompt.
function set_bash_prompt () {
# Set the PROMPT_SYMBOL variable. We do this first so we don't lose the
# return value of the last command.
set_prompt_symbol $?
# Set the PYTHON_VIRTUALENV and CONDA_VIRTUALENV variable.
set_virtualenv
set_anacondaenv
# Set the BRANCH variable.
set_git_branch
# Set the bash prompt variable.
PS1="[${USERNAME}\u${COLOR_NONE}@\h${COLOR_NONE} ${DIRCOLOR}\W${COLOR_NONE}${PYTHON_VIRTUALENV}${CONDA_VIRTUALENV}${BRANCH}]${PROMPT_SYMBOL} "
}
# Tell bash to execute this function just before displaying its prompt.
PROMPT_COMMAND=set_bash_prompt
force_color_prompt=yes
# Set Dircolors/LS_COLORS
[ -e ~/.dircolors ] && eval $(dircolors -b ~/.dircolors) || eval $(dircolors -b)
# Custom aliases
alias cls='clear'
alias py='python'
export PATH="$PATH:~/sdk/go1.18.3/bin"
export GOPATH="/mnt/Data/goland_repo"
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