72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
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"""Repository rule for Git autoconfiguration.
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`git_configure` depends on the following environment variables:
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* `PYTHON_BIN_PATH`: location of python binary.
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"""
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_PYTHON_BIN_PATH = "PYTHON_BIN_PATH"
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def _fail(msg):
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"""Output failure message when auto configuration fails."""
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red = "\033[0;31m"
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no_color = "\033[0m"
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fail("%sGit Configuration Error:%s %s\n" % (red, no_color, msg))
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def _get_python_bin(repository_ctx):
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"""Gets the python bin path."""
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python_bin = repository_ctx.os.environ.get(_PYTHON_BIN_PATH)
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if python_bin != None:
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return python_bin
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python_bin_path = repository_ctx.which("python3")
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if python_bin_path != None:
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return str(python_bin_path)
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python_bin_path = repository_ctx.which("python")
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if python_bin_path != None:
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return str(python_bin_path)
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_fail("Cannot find python in PATH, please make sure " +
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"python is installed and add its directory in PATH, or --define " +
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"%s='/something/else'.\nPATH=%s" % (
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_PYTHON_BIN_PATH,
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repository_ctx.os.environ.get("PATH", ""),
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))
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def _git_conf_impl(repository_ctx):
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repository_ctx.template(
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"BUILD",
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Label("//third_party/git:BUILD.tpl"),
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)
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tensorflow_root_path = str(repository_ctx.path(
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Label("@org_tensorflow//:BUILD"),
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))[:-len("BUILD")]
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python_script_path = repository_ctx.path(
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Label("@org_tensorflow//tensorflow/tools/git:gen_git_source.py"),
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)
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generated_files_path = repository_ctx.path("gen")
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r = repository_ctx.execute(
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["test", "-f", "%s/.git/logs/HEAD" % tensorflow_root_path],
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)
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if r.return_code == 0:
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unused_var = repository_ctx.path(Label("//:.git/HEAD")) # pylint: disable=unused-variable
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result = repository_ctx.execute([
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_get_python_bin(repository_ctx),
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python_script_path,
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"--configure",
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tensorflow_root_path,
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"--gen_root_path",
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generated_files_path,
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], quiet = False)
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if not result.return_code == 0:
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_fail(result.stderr)
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git_configure = repository_rule(
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implementation = _git_conf_impl,
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environ = [
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_PYTHON_BIN_PATH,
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],
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)
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