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Support Python virtualenv #9

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Support Python virtualenv #9

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43e67c6
Add Python virtualenv support
Hexcles Aug 8, 2014
4b39dcc
Update README about virtualenv support
Hexcles Oct 26, 2015
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ Powerline for Bash in pure Bash script.
* Git branch: display "+" symbol when current branch is changed but uncommited
* Git branch: display "⇡" symbol and the difference in the number of commits when the current branch is ahead of remote (see screenshot)
* Git branch: display "⇣" symbol and the difference in the number of commits when the current branch is behind of remote (see screenshot)
* Python virtualenv: display current virtual environment
* Platform-dependent prompt symbol for OS X and Linux (see screenshots)
* Color code for the previously failed command
* Fast execution (no noticable delay)
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19 changes: 18 additions & 1 deletion bash-powerline.sh
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Expand Up @@ -89,6 +89,21 @@ __powerline() {
printf " $GIT_BRANCH_SYMBOL$branch$marks "
}

__virtualenv() {
# Copied from Python virtualenv's activate.sh script.
# https://github.com/pypa/virtualenv/blob/a9b4e673559a5beb24bac1a8fb81446dd84ec6ed/virtualenv_embedded/activate.sh#L62
# License: MIT
if [ "x$VIRTUAL_ENV" != "x" ]; then
if [ "`basename \"$VIRTUAL_ENV\"`" == "__" ]; then
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
printf "[`basename \`dirname \"$VIRTUAL_ENV\"\``]"
else
printf "(`basename \"$VIRTUAL_ENV\"`)"
fi
fi
}

ps1() {
# Check the exit code of the previous command and display different
# colors in the prompt accordingly.
Expand All @@ -98,7 +113,9 @@ __powerline() {
local BG_EXIT="$BG_RED"
fi

PS1="$BG_BASE1$FG_BASE3 \w $RESET"
PS1=""
PS1+="$BG_BASE0$FG_BASE3$(__virtualenv)$RESET"
PS1+="$BG_BASE1$FG_BASE3 \w $RESET"
PS1+="$BG_BLUE$FG_BASE3$(__git_info)$RESET"
PS1+="$BG_EXIT$FG_BASE3 $PS_SYMBOL $RESET "
}
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