⚡ refacts bash/profile setup

.bash/toolchains/brew.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
+
+[[ "$-" != *i* ]] && return
+
+if type brew &>/dev/null
+then
+	HOMEBREW_PREFIX="$(brew --prefix)"
+	if [[ -r "${HOMEBREW_PREFIX}/etc/profile.d/bash_completion.sh" ]]
+	then
+		PS1='force' source "${HOMEBREW_PREFIX}/etc/profile.d/bash_completion.sh"
+	else
+		for COMPLETION in "${HOMEBREW_PREFIX}/etc/bash_completion.d/"*
+		do
+			[[ -r "${COMPLETION}" ]] && source "${COMPLETION}"
+		done
+	fi
+fi