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if [ -n "$__CURRENT_GIT_BRANCH" ]; then
local s="("
s+="$__CURRENT_GIT_BRANCH"
case "$__CURRENT_GIT_BRANCH_STATUS" in
ahead)
s+="↑"
;;
diverged)
s+="↕"
;;
behind)
s+="↓"
;;
esac
if [ -n "$__CURRENT_GIT_BRANCH_IS_DIRTY" ]; then
s+="⚡"
fi
s+=")"
printf " %s%s" "%{${fg[yellow]}%}" $s
fi