return this;
        }

        public Builder cwd(Path cwd) {
            this.cwd = cwd;
            return this;
        }

        public Builder mavenHome(Path mavenHome) {
            this.mavenHome = mavenHome;
            return this;
        }

        public Builder userHome(Path userHome) {
            this.userHome = userHome;
            return this;
        }

class MavenPropertiesLoaderTest {

    @Test
    void testIncludes() throws Exception {
        FileSystem fs = Jimfs.newFileSystem(Configuration.unix());

        Path mavenHome = fs.getPath("/maven");
        Files.createDirectories(mavenHome);
        Path mavenConf = mavenHome.resolve("conf");
        Files.createDirectories(mavenConf);
        Path mavenUserProps = mavenConf.resolve("maven.properties");

        if (context.parserRequest.mavenHome() != null) {
            Path result = getCanonicalPath(context.parserRequest.mavenHome());
            context.systemPropertiesOverrides.put(Constants.MAVEN_HOME, result.toString());
            return result;
        } else {
            String mavenHome = System.getProperty(Constants.MAVEN_HOME);
            if (mavenHome == null) {
                throw new IllegalStateException(

    @Test
    public void testPropertiesInterpolation() throws Exception {
        FileSystem fs = Jimfs.newFileSystem(Configuration.windows());

        Path mavenHome = fs.getPath("C:\\maven");
        Files.createDirectories(mavenHome);
        Path mavenConf = mavenHome.resolve("conf");
        Files.createDirectories(mavenConf);
        Path mavenUserProps = mavenConf.resolve("maven-user.properties");

          </properties>
          <promoteUserPropertiesToSystemProperties>false</promoteUserPropertiesToSystemProperties>
          <systemPropertyVariables>
            <maven.home>${basedir}/src/test/resources/mavenHome</maven.home>
            <userHome>${basedir}/src/test/resources/userHome</userHome>
            <userDir>${basedir}/src/test/resources/userDir</userDir>
          </systemPropertyVariables>
        </configuration>

        // Windows paths.
        //
        String mavenHome = System.getProperty(Constants.MAVEN_HOME);

        if (mavenHome != null) {
            System.setProperty(
                    Constants.MAVEN_HOME,
                    getCanonicalPath(fileSystem.getPath(mavenHome)).toString());
        }
    }

    void cli(CliRequest cliRequest) throws Exception {
        //

MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"

exec_maven() {
  unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
  exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
}

if [ -d "$MAVEN_HOME" ]; then
  verbose "found existing MAVEN_HOME at $MAVEN_HOME"
  exec_maven "$@"
fi

$MAVEN_HOME = "$MAVEN_HOME_PARENT/$MAVEN_HOME_NAME"

if (Test-Path -Path "$MAVEN_HOME" -PathType Container) {
  Write-Verbose "found existing MAVEN_HOME at $MAVEN_HOME"
  Write-Output "MVN_CMD=$MAVEN_HOME/bin/$MVN_CMD"
  exit $?
}

if (! $distributionUrlNameMain -or ($distributionUrlName -eq $distributionUrlNameMain)) {

  if expr "$link" : '/.*' > /dev/null; then
    PRG="$link"
  else
    PRG="`dirname "$PRG"`/$link"
  fi
done

saveddir=`pwd`

MAVEN_HOME=`dirname "$PRG"`/..

# make it fully qualified
MAVEN_HOME=`cd "$MAVEN_HOME" && pwd`

cd "$saveddir"

CLASSWORLDS_CONF="$MAVEN_HOME/bin/m2.conf"

# For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
if $cygwin || $mingw ; then

    goto error
)

:chkMHome
set "MAVEN_HOME=%~dp0"
set "MAVEN_HOME=%MAVEN_HOME:~0,-5%"
if "%MAVEN_HOME%"=="" goto error

:checkMCmd
if not exist "%MAVEN_HOME%\bin\mvn.cmd" goto error

@REM ==== END VALIDATION ====

:init

set "CLASSWORLDS_CONF=%MAVEN_HOME%\bin\m2.conf"

@REM Find the project basedir, i.e., the directory that contains the directory ".mvn".