removed Darwin specific code and modified the docs to indicate macOS is not supported

docs/content/contributing/tests.md

@@ -5,13 +5,9 @@ title: 'Contributing | Tests'
 1. Install docker
 2. Execute `git submodule update --init --recursive`
 3. Install jq
-
-    !!! info "MacOS Specific (needed for tests)"
-
-        ```bash
-        brew install coreutils
-        # bash >= 4.0 for associative arrays
-        brew install bash
-        ```
-
 4. Execute `make clean all`
+
+
+!!! info "Can I use MacOS?"
+
+    We do not support running linting, tests, etc on macOS at this time. Please use a linux VM.

setup.sh

@@ -88,14 +88,6 @@ function _show_local_usage
 
 function _get_absolute_script_directory
 {
-  if [[ "$(uname)" == 'Darwin' ]]
-  then
-    readlink() {
-      # requires coreutils
-      greadlink "${@:+$@}"
-    }
-  fi
-
   if dirname "$(readlink -f "${0}")" &>/dev/null
   then
     DIR="$(dirname "$(readlink -f "${0}")")"

test/linting/lint.sh

@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#! /bin/bash
 
 # version   v0.2.0 unstable
 # executed  by Make during CI or manually
@@ -6,12 +6,6 @@
 
 SCRIPT="lint.sh"
 
-if [[ "$(uname)" == "Darwin" ]]
-then
-  readlink() {
-    greadlink "${@:+$@}" # Requires coreutils
-  }
-fi
 SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
 REPO_ROOT="$(realpath "${SCRIPT_DIR}"/../../)"
 
@@ -104,10 +98,8 @@ function _shellcheck
     -not -path './test/test_helper/*' \
     -not -path './target/docker-configomat/*'
   )"
-  # macOS lacks parity for `-executable` but presently produces the same results: https://stackoverflow.com/a/4458361
-  [[ "$(uname)" == "Darwin" ]] && FIND_EXEC="-perm -711" || FIND_EXEC="-executable"
   # shellcheck disable=SC2248
-  F_BIN="$(find 'target/bin' ${FIND_EXEC} -type f)"
+  F_BIN="$(find 'target/bin' -executable -type f)"
   F_BATS="$(find 'test' -maxdepth 1 -type f -iname '*.bats')"
 
   # This command is a bit easier to grok as multi-line.