From 26b5b7d87a4a7ab78cb663a6ff0de224da1a51dd Mon Sep 17 00:00:00 2001
From: Michael Jurka <mikejurka@google.com>
Date: Mon, 19 Dec 2016 16:31:43 +0100
Subject: Use Python instead of greadlink to get full path on macOS

Python is built-in on Macs; this avoids an unnecessary dependency on greadlink
---
 update_external_sources.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/update_external_sources.sh b/update_external_sources.sh
index 3c4df786..06dca169 100755
--- a/update_external_sources.sh
+++ b/update_external_sources.sh
@@ -7,8 +7,7 @@ if [[ $(uname) == "Linux" ]]; then
     CURRENT_DIR="$(dirname "$(readlink -f ${BASH_SOURCE[0]})")"
     CORE_COUNT=$(nproc || echo 4)
 elif [[ $(uname) == "Darwin" ]]; then
-    # Get greadlink with "brew install coreutils"
-    CURRENT_DIR="$(dirname "$(greadlink -f ${BASH_SOURCE[0]})")"
+    CURRENT_DIR="$(dirname "$(python -c 'import os,sys;print(os.path.realpath(sys.argv[1]))' ${BASH_SOURCE[0]})")"
     CORE_COUNT=$(sysctl -n hw.ncpu || echo 4)
 fi
 echo CORE_COUNT=$CORE_COUNT
-- 
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