Powerline plain theme refactor
- Split functions and options in two files - Import common functions from powerline theme - Add README.mdpull/815/head
Eduardo Bellido Bellido
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# Powerline Theme
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A colorful theme, where shows a lot information about your shell session.
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## Provided Information
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* Current path
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* Current username and hostname
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* Current time
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* An indicator when connected by SSH
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* An indicator when `sudo` has the credentials cached (see the `sudo` manpage for more info about this)
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* An indicator when the current shell is inside the Vim editor
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* Battery charging status (depends on the [../../plugins/available/battery.plugin.bash](battery plugin))
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* SCM Repository status (e.g. Git, SVN)
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* The current Python environment (Virtualenv, venv, and Conda are supported) in use
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* The current Ruby environment (RVM) in use
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* Last command exit code (only shown when the exit code is greater than 0)
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## Configuration
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This theme is pretty configurable, all the configuration is done by setting environment variables.
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### User Information
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By default, the username and hostname are shown, but you can change this behavior by setting the value of the following variable:
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POWERLINE_PROMPT_USER_INFO_MODE="sudo"
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For now, the only supported value is `sudo`, which hides the username and hostname, and shows an indicator when `sudo` has the credentials cached. Other values have no effect at this time.
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### Clock Format
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You can change the format using the following variable:
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THEME_CLOCK_FORMAT="%H:%M:%S"
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The time/date is printed by the `date` command, so refer to its man page to change the format.
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### Segment Order
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The contents of the prompt can be "reordered", all the "segments" (every piece of information) can take any place. The currently available segments are:
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* battery
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* clock
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* cwd
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* in_vim
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* python_venv
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* rvm
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* scm
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* user_info
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A variables can be defined to set the order of the prompt segments:
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POWERLINE_PROMPT="user_info scm python_venv rvm cwd"
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The example values above are the current default values, but if you want to remove anything from the prompt, simply remove the "string" that represents the segment from the variable.
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. "$BASH_IT/themes/powerline/powerline.base.bash"
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function __powerline_left_segment {
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local OLD_IFS="${IFS}"; IFS="|"
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local params=( $1 )
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IFS="${OLD_IFS}"
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LEFT_PROMPT+="${separator}$(set_color - ${params[1]}) ${params[0]} ${normal}"
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LAST_SEGMENT_COLOR=${params[1]}
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}
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function __powerline_prompt_command {
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local last_status="$?" ## always the first
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LEFT_PROMPT=""
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## left prompt ##
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for segment in $POWERLINE_PROMPT; do
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local info="$(__powerline_${segment}_prompt)"
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[[ -n "${info}" ]] && __powerline_left_segment "${info}"
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done
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[[ "${last_status}" -ne 0 ]] && __powerline_left_segment $(__powerline_last_status_prompt ${last_status})
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[[ -n "${LEFT_PROMPT}" ]] && LEFT_PROMPT+="$(set_color ${LAST_SEGMENT_COLOR} -) ${normal}"
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PS1="${LEFT_PROMPT} "
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## cleanup ##
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unset LEFT_PROMPT
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}
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#!/usr/bin/env bash
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SHELL_SSH_CHAR="⌁ "
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SHELL_THEME_PROMPT_COLOR=32
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SHELL_SSH_THEME_PROMPT_COLOR=208
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. "$BASH_IT/themes/powerline-plain/powerline-plain.base.bash"
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VIRTUALENV_CHAR="ⓔ "
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VIRTUALENV_THEME_PROMPT_COLOR=25
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USER_INFO_SSH_CHAR=${POWERLINE_USER_INFO_SSH_CHAR:="⌁ "}
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USER_INFO_THEME_PROMPT_COLOR=32
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USER_INFO_THEME_PROMPT_COLOR_SUDO=202
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GEMSET_CHAR="ⓔ "
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GEMSET_THEME_PROMPT_COLOR=25
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PYTHON_VENV_CHAR=${POWERLINE_PYTHON_VENV_CHAR:="ⓔ "}
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CONDA_PYTHON_VENV_CHAR=${POWERLINE_CONDA_PYTHON_VENV_CHAR:="ⓔ "}
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PYTHON_VENV_THEME_PROMPT_COLOR=35
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SCM_NONE_CHAR=""
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SCM_GIT_CHAR="⎇ "
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SCM_GIT_CHAR=${POWERLINE_SCM_GIT_CHAR:="⎇ "}
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SCM_THEME_PROMPT_CLEAN=""
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SCM_THEME_PROMPT_DIRTY=""
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SCM_THEME_PROMPT_CLEAN_COLOR=25
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SCM_THEME_PROMPT_DIRTY_COLOR=88
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SCM_THEME_PROMPT_STAGED_COLOR=30
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SCM_THEME_PROMPT_UNSTAGED_COLOR=92
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SCM_THEME_PROMPT_COLOR=${SCM_THEME_PROMPT_CLEAN_COLOR}
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SCM_THEME_PROMPT_COLOR=238
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SCM_THEME_PROMPT_CLEAN_COLOR=231
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SCM_THEME_PROMPT_DIRTY_COLOR=196
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SCM_THEME_PROMPT_STAGED_COLOR=220
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SCM_THEME_PROMPT_UNSTAGED_COLOR=166
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RVM_THEME_PROMPT_PREFIX=""
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RVM_THEME_PROMPT_SUFFIX=""
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RBENV_THEME_PROMPT_PREFIX=""
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RBENV_THEME_PROMPT_SUFFIX=""
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RUBY_THEME_PROMPT_COLOR=161
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RUBY_CHAR=${POWERLINE_RUBY_CHAR:="ⓔ "}
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CWD_THEME_PROMPT_COLOR=240
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LAST_STATUS_THEME_PROMPT_COLOR=52
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function set_rgb_color {
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if [[ "${1}" != "-" ]]; then
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fg="38;5;${1}"
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fi
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if [[ "${2}" != "-" ]]; then
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bg="48;5;${2}"
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[[ -n "${fg}" ]] && bg=";${bg}"
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fi
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echo -e "\[\033[${fg}${bg}m\]"
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}
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CLOCK_THEME_PROMPT_COLOR=240
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function powerline_shell_prompt {
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if [[ -n "${SSH_CLIENT}" ]]; then
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SHELL_PROMPT="${bold_white}$(set_rgb_color - ${SHELL_SSH_THEME_PROMPT_COLOR}) ${SHELL_SSH_CHAR}\u@\h ${normal}"
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else
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SHELL_PROMPT="${bold_white}$(set_rgb_color - ${SHELL_THEME_PROMPT_COLOR}) \u ${normal}"
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fi
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}
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BATTERY_AC_CHAR=${BATTERY_AC_CHAR:="+ "}
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BATTERY_STATUS_THEME_PROMPT_GOOD_COLOR=70
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BATTERY_STATUS_THEME_PROMPT_LOW_COLOR=208
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BATTERY_STATUS_THEME_PROMPT_CRITICAL_COLOR=160
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function powerline_virtualenv_prompt {
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local environ=""
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THEME_CLOCK_FORMAT=${THEME_CLOCK_FORMAT:="%H:%M:%S"}
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if [[ -n "$CONDA_DEFAULT_ENV" ]]; then
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environ="conda: $CONDA_DEFAULT_ENV"
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elif [[ -n "$VIRTUAL_ENV" ]]; then
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environ=$(basename "$VIRTUAL_ENV")
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fi
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IN_VIM_THEME_PROMPT_COLOR=245
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IN_VIM_THEME_PROMPT_TEXT="vim"
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if [[ -n "$environ" ]]; then
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VIRTUALENV_PROMPT="$(set_rgb_color ${LAST_THEME_COLOR} ${VIRTUALENV_THEME_PROMPT_COLOR})${THEME_PROMPT_SEPARATOR}${normal}$(set_rgb_color - ${VIRTUALENV_THEME_PROMPT_COLOR}) ${VIRTUALENV_CHAR}$environ ${normal}"
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LAST_THEME_COLOR=${VIRTUALENV_THEME_PROMPT_COLOR}
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else
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VIRTUALENV_PROMPT=""
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fi
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}
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POWERLINE_PROMPT=${POWERLINE_PROMPT:="user_info scm python_venv ruby cwd"}
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function powerline_gemset_prompt {
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local gemset=$(rvm-prompt 2>/dev/null)
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if [[ -n "$gemset" ]]; then
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GEMSET_PROMPT="$(set_rgb_color ${LAST_THEME_COLOR} ${GEMSET_THEME_PROMPT_COLOR})${THEME_PROMPT_SEPARATOR}${normal}$(set_rgb_color - ${GEMSET_THEME_PROMPT_COLOR}) ${VIRTUALENV_CHAR}$gemset ${normal}"
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LAST_THEME_COLOR=${GEMSET_THEME_PROMPT_COLOR}
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else
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GEMSET_PROMPT=""
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fi
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}
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function powerline_scm_prompt {
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scm_prompt_vars
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if [[ "${SCM_NONE_CHAR}" != "${SCM_CHAR}" ]]; then
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if [[ "${SCM_DIRTY}" -eq 3 ]]; then
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SCM_PROMPT="$(set_rgb_color ${SCM_THEME_PROMPT_STAGED_COLOR} ${SCM_THEME_PROMPT_COLOR})"
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elif [[ "${SCM_DIRTY}" -eq 2 ]]; then
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SCM_PROMPT="$(set_rgb_color ${SCM_THEME_PROMPT_UNSTAGED_COLOR} ${SCM_THEME_PROMPT_COLOR})"
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elif [[ "${SCM_DIRTY}" -eq 1 ]]; then
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SCM_PROMPT="$(set_rgb_color ${SCM_THEME_PROMPT_DIRTY_COLOR} ${SCM_THEME_PROMPT_COLOR})"
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else
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SCM_PROMPT="$(set_rgb_color ${SCM_THEME_PROMPT_CLEAN_COLOR} ${SCM_THEME_PROMPT_COLOR})"
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fi
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if [[ "${SCM_GIT_CHAR}" == "${SCM_CHAR}" ]]; then
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SCM_PROMPT+=" ${SCM_CHAR}${SCM_BRANCH}${SCM_STATE} "
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fi
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SCM_PROMPT="${SCM_PROMPT}${normal}"
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else
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SCM_PROMPT=""
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fi
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}
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function powerline_cwd_prompt {
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CWD_PROMPT="${THEME_PROMPT_SEPARATOR}${normal}$(set_rgb_color - ${CWD_THEME_PROMPT_COLOR}) \w ${normal}$(set_rgb_color ${CWD_THEME_PROMPT_COLOR} -)${normal}"
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}
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function powerline_last_status_prompt {
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if [[ "$1" -eq 0 ]]; then
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LAST_STATUS_PROMPT=""
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else
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LAST_STATUS_PROMPT="$(set_rgb_color - ${LAST_STATUS_THEME_PROMPT_COLOR}) ${LAST_STATUS} ${normal}$(set_rgb_color ${LAST_STATUS_THEME_PROMPT_COLOR} -)${THEME_PROMPT_SEPARATOR}${normal}"
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fi
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}
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function powerline_prompt_command() {
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local LAST_STATUS="$?"
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powerline_shell_prompt
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powerline_virtualenv_prompt
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powerline_gemset_prompt
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powerline_scm_prompt
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powerline_cwd_prompt
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powerline_last_status_prompt LAST_STATUS
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PS1="${SHELL_PROMPT}${GEMSET_PROMPT}${VIRTUALENV_PROMPT}${SCM_PROMPT}${CWD_PROMPT}${LAST_STATUS_PROMPT} "
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}
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safe_append_prompt_command powerline_prompt_command
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safe_append_prompt_command __powerline_prompt_command
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