maven-wrapper-distribution/src/assembly/maven/run

# For Cygwin and MinGW, switch paths to Windows format before running java(1) command
if $cygwin || $mingw ; then
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME=`cygpath --windows "$JAVA_HOME"`
  LAUNCHER_JAR=`cygpath --windows "$LAUNCHER_JAR"`
  CLASSWORLDS_CONF=`cygpath --windows "$CLASSWORLDS_CONF"`
  MAVEN_HOME=`cygpath --windows "$MAVEN_HOME"`
  MAVEN_PROJECTBASEDIR=`cygpath --windows "$MAVEN_PROJECTBASEDIR"`
fi

"$JAVACMD" \
  $MAVEN_OPTS \
  $MAVEN_DEBUG_OPTS \
  -classpath "$LAUNCHER_JAR" \
  "-Dclassworlds.conf=$CLASSWORLDS_CONF" \
  "-Dmaven.home=$MAVEN_HOME" \
  "-Dlibrary.jansi.path=${MAVEN_HOME}/lib/jansi-native" \
  "-Dmaven.multiModuleProjectDirectory=$MAVEN_PROJECTBASEDIR" \
  $LAUNCHER_CLASS "$@"

# read distributionUrl from $MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties
while IFS="=" read key value; do
  case "$key" in (distributionUrl) distributionUrl="$value"; break ;;
  esac
done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"

# local distribution dir is distributionUrl basename without extension
distribution=`basename $distributionUrl .zip`

mvn=~/.m2/wrapper/dists/$distribution/*/bin/mvn
echo "mvnw will call $mvn"

exec $mvn "$@"