SONARPLUGINS-2313 readlink -f is not supported on macosx

  * As a workaround we are now using a custom function to emulate the same behavior

src/main/assembly/bin/sonar-runner

@@ -6,13 +6,70 @@
 #   SONAR_RUNNER_HOME - location of runner's installed home dir
 #   SONAR_RUNNER_OPTS - parameters passed to the Java VM when running Sonar
 
+# The following notice only apply to real_path function copied from
+# https://sites.google.com/site/jdisnard/realpath
+# Copyright 2010 Jon Disnard. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+# conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+# of conditions and the following disclaimer in the documentation and/or other materials
+# provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY Jon Disnard ``AS IS'' AND ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# The views and conclusions contained in the software and documentation are those of the
+# authors and should not be interpreted as representing official policies, either expressed
+# or implied, of Jon Disnard.
+real_path () {
+  OIFS=$IFS
+  IFS='/'
+  for I in $1
+  do
+    # Resolve relative path punctuation.
+    if [ "$I" = "." ] || [ -z "$I" ]
+      then continue
+    elif [ "$I" = ".." ]
+      then FOO="${FOO%%/${FOO##*/}}"
+           continue
+      else FOO="${FOO}/${I}"
+    fi
+
+    # Dereference symbolic links.
+    if [ -h "$FOO" ] && [ -x "/bin/ls" ]
+      then IFS=$OIFS
+           set `/bin/ls -l "$FOO"`
+           while shift ;
+           do
+             if [ "$1" = "->" ]
+               then FOO=$2
+                    shift $#
+                    break
+             fi
+           done
+    fi
+  done
+  IFS=$OIFS
+  echo "$FOO"
+}
+
 if [ -z "$SONAR_RUNNER_HOME" ] ; then
   PRG="$0"
 
-  # try to resolve symlinks
-  if [ `command -v readlink >/dev/null 2>&1; echo $?` -eq 0 ] ; then
-    PRG=`readlink -f "$PRG"`
-  fi
+  # resolve symlinks
+  PRG=`real_path "$PRG"`
 
   SONAR_RUNNER_HOME=`dirname "$PRG"`/..
 
@@ -41,3 +98,4 @@ exec "$JAVA_CMD" \
   "-Drunner.home=\${SONAR_RUNNER_HOME}" \
   "-Dproject.home=\${PROJECT_HOME}" \
   org.sonar.runner.Main "$@"
+