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 <[email protected]>
ahmetb · May 17, 2017 · 8e413fc · 8e413fc
1 parent 7e10232
commit 8e413fc
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diff --git 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
@@ -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