message: Fix git configuration on Windows
diff: -"""Repository rule for Git autoconfiguration."""
  +"""Repository rule for Git autoconfiguration.
  +
  +`git_configure` depends on the following environment variables:
  +
  + * `PYTHON_BIN_PATH`: location of python binary.
  +"""
  +
  +_PYTHON_BIN_PATH = "PYTHON_BIN_PATH"
  +
  +def _fail(msg):
  + """Output failure message when auto configuration fails."""
  + red = "\033[0;31m"
  + no_color = "\033[0m"
  + fail("%sGit Configuration Error:%s %s\n" % (red, no_color, msg))
  +
  +def _get_python_bin(repository_ctx):
  + """Gets the python bin path."""
  + python_bin = repository_ctx.os.environ.get(_PYTHON_BIN_PATH)
  + if python_bin != None:
  + return python_bin
  + python_bin_path = repository_ctx.which("python")
  + if python_bin_path != None:
  + return str(python_bin_path)
  + _fail("Cannot find python in PATH, please make sure " +
  + "python is installed and add its directory in PATH, or --define " +
  + "%s='/something/else'.\nPATH=%s" % (
  + _PYTHON_BIN_PATH, repository_ctx.os.environ.get("PATH", "")))
  +
  def _git_conf_impl(repository_ctx):
  repository_ctx.template(
  @@ -11,10 +38,18 @@ def _git_conf_impl(repository_ctx):
  Label("@org_tensorflow//tensorflow/tools/git:gen_git_source.py"))
  generated_files_path = repository_ctx.path("gen")
  - repository_ctx.execute([
  + result = repository_ctx.execute([
  + _get_python_bin(repository_ctx),
  python_script_path, "--configure", tensorflow_root_path,
  "--gen_root_path", generated_files_path], quiet=False)
  + if not result.return_code == 0:
  + _fail(result.stderr)
  +
  +
  git_configure = repository_rule(
  implementation = _git_conf_impl,
  + environ = [
  + _PYTHON_BIN_PATH,
  + ],
  )
  