From 5b736feefd2dd54e008b518a4269078dc73dd634 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Mart=C3=ADn=20Sotuyo=20Dodero?=
 <juansotuyo@gmail.com>
Date: Mon, 15 Oct 2018 04:54:18 -0300
Subject: [PATCH] Don't depend on realpath being installed

---
 pmd-dist/src/main/scripts/run.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pmd-dist/src/main/scripts/run.sh b/pmd-dist/src/main/scripts/run.sh
index dfda65642c..79e4ef609e 100755
--- a/pmd-dist/src/main/scripts/run.sh
+++ b/pmd-dist/src/main/scripts/run.sh
@@ -62,7 +62,11 @@ java_heapsize_settings() {
 set_lib_dir() {
   if [ -z ${LIB_DIR} ]; then
     # Allow for symlinks to this script
-    local script_real_loc=$(realpath "$0")
+    if [ -L $0 ]; then
+      local script_real_loc=$(readlink "$0")
+    else
+      local script_real_loc=$0
+    fi
     local script_dir=$(dirname "${script_real_loc}")
     local cwd="${PWD}"