commit 5eba065c4d4e5ad124da0db5984c7ebc4e4b0b33
author Michael Jurka <mikejurka@google.com> Mon Dec 19 16:31:43 2016 +0100
committer Tobin Ehlis <tobine@google.com> Fri Dec 23 07:27:10 2016 -0700
tree 7913f02c50fbb7498b10756e5c95a6998ff42c9d
parent a5e01128df67e839ecd52a8032edcbbd0d9e524c

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

diff --git a/update_external_sources.sh b/update_external_sources.sh
index 3c4df78..06dca16 100755
--- a/update_external_sources.sh
+++ b/update_external_sources.sh
@@ -7,8 +7,7 @@
     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