From b1811f2ef3255dab74a0ee42447a5a747b37753d Mon Sep 17 00:00:00 2001
From: Martin Afanasjew <martin@afanasjew.de>
Date: Wed, 29 Jun 2016 14:16:39 +0200
Subject: [PATCH] analytics: make Linux UUID generation more robust
Not every Linux system has a pre-installed `uuidgen` command (Debian
has a package `uuid-runtime` but doesn't install it by default). In
contrast, `/proc/sys/kernel/random/uuid` is always available on a modern
Linux system and produces type/version 4 UUIDs, just like `uuidgen`.
Closes #416.
Signed-off-by: Martin Afanasjew <martin@afanasjew.de>
---
Library/Homebrew/utils/analytics.sh | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Library/Homebrew/utils/analytics.sh b/Library/Homebrew/utils/analytics.sh
index f0ec2c46e2..d4a64e52f2 100644
--- a/Library/Homebrew/utils/analytics.sh
+++ b/Library/Homebrew/utils/analytics.sh
@@ -35,7 +35,12 @@ setup-analytics() {
HOMEBREW_ANALYTICS_USER_UUID="$(git config --file="$git_config_file" --get homebrew.analyticsuuid)"
if [[ -z "$HOMEBREW_ANALYTICS_USER_UUID" ]]
then
- HOMEBREW_ANALYTICS_USER_UUID="$(uuidgen)"
+ if [[ -n "$HOMEBREW_LINUX" ]]
+ then
+ HOMEBREW_ANALYTICS_USER_UUID="$(tr a-f A-F < /proc/sys/kernel/random/uuid)"
+ else
+ HOMEBREW_ANALYTICS_USER_UUID="$(uuidgen)"
+ fi
if [[ -z "$HOMEBREW_ANALYTICS_USER_UUID" ]]
then
--
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