From 0b9c6abef6c23dde506d4e387d36938bf05583d5 Mon Sep 17 00:00:00 2001
From: Sami Samhuri <sami@samhuri.net>
Date: Thu, 14 May 2020 16:39:55 -0700
Subject: [PATCH] Silence compinit when it finds shared Homebrew stuff

---
 zshrc | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/zshrc b/zshrc
index c75040b..bee7c98 100755
--- a/zshrc
+++ b/zshrc
@@ -290,8 +290,21 @@ bindkey -e                      # emacs style key bindings
 
 # 10. Completion
 # =============
+
 autoload -Uz compinit
-compinit
+
+# Sharing Homebrew in /usr/local with multiple users on the same machine means
+# that group writable files in /usr/local are deemed insecure. But I'm the only
+# actual user so tell compinit not to bother me about compaudit's complaints.
+is_group_writable() {
+  local ls=$(ls -ld "$1")
+  [[ "${ls:5:1}" = "w" ]]
+}
+if mac && is_group_writable /usr/local/share; then
+  compinit -u
+else
+  compinit
+fi
 
 # 11. SSH Keychain
 # ================