From 31dd2ee85673420a7064cda6c1251f9ed8dd009c Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Thu, 14 Feb 2019 10:47:07 +0000
Subject: [PATCH] brew.sh: allow Docker to run as root.

---
 Library/Homebrew/brew.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Library/Homebrew/brew.sh b/Library/Homebrew/brew.sh
index c24f47fcaf..c7c42a6c4d 100644
--- a/Library/Homebrew/brew.sh
+++ b/Library/Homebrew/brew.sh
@@ -350,6 +350,9 @@ fi
 check-run-command-as-root() {
   [[ "$(id -u)" = 0 ]] || return
 
+  # Allow Docker to do everything as root (as it's normal there)
+  [[ -f /proc/1/cgroup ]] && grep docker -q /proc/1/cgroup && return
+
   # Homebrew Services may need `sudo` for system-wide daemons.
   [[ "$HOMEBREW_COMMAND" = "services" ]] && return