From 8e413fc8ac75bae6fdba9dbd170019db6efec020 Mon Sep 17 00:00:00 2001
From: Ahmet Alp Balkan <ahmetb@google.com>
Date: Wed, 17 May 2017 09:35:35 -0700
Subject: [PATCH] Fallback to readlink -f on macOS

BSD coreutils readlink doesn't have -f option, so
adding a Python one-liner feedback to eval symlinks/homedir.
Fixes #8.

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>
---
 kubectx | 4 +++-
 kubens  | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/kubectx b/kubectx
index 9434742f..f6d7574a 100755
--- a/kubectx
+++ b/kubectx
@@ -21,7 +21,9 @@
 set -eou pipefail
 IFS=$'\n\t'
 
-SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
+SCRIPT_DIR="$(dirname "$( readlink -f "${0}" 2>/dev/null || \
+  python -c "import os,sys; print(os.path.realpath(sys.argv[1]))" "${0}" )")"
+
 if [[ -f "${SCRIPT_DIR}/utils.bash" ]]; then
   source "${SCRIPT_DIR}/utils.bash"
 else
diff --git a/kubens b/kubens
index 9fa5500a..59b074cd 100755
--- a/kubens
+++ b/kubens
@@ -21,7 +21,9 @@
 set -eou pipefail
 IFS=$'\n\t'
 
-SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
+SCRIPT_DIR="$(dirname "$( readlink -f "${0}" 2>/dev/null || \
+  python -c "import os,sys; print(os.path.realpath(sys.argv[1]))" "${0}" )")"
+
 if [[ -f "${SCRIPT_DIR}/utils.bash" ]]; then
   source "${SCRIPT_DIR}/utils.bash"
 else