def get_gcc_compiler(environ_cp):
  gcc_env = environ_cp.get('CXX') or environ_cp.get('CC') or shutil.which('gcc')
  if gcc_env is not None:
    gcc_version = run_shell([gcc_env, '--version']).split()
    if gcc_version[0] in ('gcc', 'g++'):
      return gcc_env
  return None


def main():
  global _TF_WORKSPACE_ROOT
  global _TF_BAZELRC
  global _TF_CURRENT_BAZEL_VERSION

	if ! check_minimum_version "${GIT_VERSION}" "${installed_git_version}"; then
		echo "Git version '${installed_git_version}' is not supported. Minimum supported version: ${GIT_VERSION}"
		exit 1
	fi
}

main() {
	## Check for supported arch
	assert_is_supported_arch

	## Check for supported os
	assert_is_supported_os

	## Check for Go environment

        // Create PAC with unaligned buffer offset
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        writeLittleEndianInt(baos, 1); // bufferCount
        writeLittleEndianInt(baos, PacConstants.PAC_VERSION); // version
        writeLittleEndianInt(baos, PacConstants.LOGON_INFO); // type
        writeLittleEndianInt(baos, 10); // size
        writeLittleEndianLong(baos, 25); // Unaligned offset (not multiple of 8)

     * This prevents accidental modification of these critical constants.
     */
    @Test
    void testConstantValues() {
        // Verify the PAC version
        assertEquals(0, PacConstants.PAC_VERSION, "PAC_VERSION should be 0");

        // Verify PAC buffer types
        assertEquals(1, PacConstants.LOGON_INFO, "LOGON_INFO should be 1");
        assertEquals(2, PacConstants.CREDENTIAL_TYPE, "CREDENTIAL_TYPE should be 2");

        DataOutputStream dos = new DataOutputStream(baos);

        // Write header with no buffers
        dos.writeInt(Integer.reverseBytes(0));
        dos.writeInt(Integer.reverseBytes(PacConstants.PAC_VERSION));

        byte[] noBufPac = baos.toByteArray();

        PACDecodingException e = assertThrows(PACDecodingException.class, () -> {
            new KerberosPacAuthData(noBufPac, keys);
        });

                throw new PACDecodingException("Empty PAC");
            }

            int bufferCount = pacStream.readInt();
            int version = pacStream.readInt();

            if (version != PacConstants.PAC_VERSION) {
                throw new PACDecodingException("Unrecognized PAC version " + version);
            }

            for (int bufferIndex = 0; bufferIndex < bufferCount; bufferIndex++) {

- The go version defined in `.go-version` is now fetched when invoking test, build, and code generation targets if the current go version does not match it. Set $FORCE_HOST_GO=y while testing or building to skip this behavior, or set $GO_VERSION to override the selected go version. ([#115377](https://github.com/kubernetes/kubernetes/pull/115377), [@liggitt](https://github.com/liggitt)) [SIG Testing]

- The go version defined in `.go-version` is now fetched when invoking test, build, and code generation targets if the current go version does not match it. Set $FORCE_HOST_GO=y while testing or building to skip this behavior, or set $GO_VERSION to override the selected go version. ([#115497](https://github.com/kubernetes/kubernetes/pull/115497), [@liggitt](https://github.com/liggitt)) [SIG Release and Testing]

### Bug or Regression

- The go version defined in `.go-version` is now fetched when invoking test, build, and code generation targets if the current go version does not match it. Set $FORCE_HOST_GO=y while testing or building to skip this behavior, or set $GO_VERSION to override the selected go version. ([#115496](https://github.com/kubernetes/kubernetes/pull/115496), [@liggitt](https://github.com/liggitt)) [SIG Release and Testing]

### Failing Test