Run gen_git_source.py inside of a repo_rule instead of configure.

PiperOrigin-RevId: 179971055

configure.py

@@ -265,19 +265,6 @@ def reset_tf_configure_bazelrc():
     f.write('import %workspace%/.tf_configure.bazelrc\n')
 
 
-def run_gen_git_source(environ_cp):
-  """Run the gen_git_source to create links.
-
-  The links are for bazel to track dependencies for git hash propagation.
-
-  Args:
-    environ_cp: copy of the os.environ.
-  """
-  cmd = '"%s" tensorflow/tools/git/gen_git_source.py --configure %s' % (
-      environ_cp.get('PYTHON_BIN_PATH'), os.getcwd())
-  os.system(cmd)
-
-
 def cleanup_makefile():
   """Delete any leftover BUILD files from the Makefile build.
 
@@ -1251,7 +1238,6 @@ def main():
   reset_tf_configure_bazelrc()
   cleanup_makefile()
   setup_python(environ_cp)
-  run_gen_git_source(environ_cp)
 
   if is_windows():
     environ_cp['TF_NEED_S3'] = '0'

tensorflow/tensorflow.bzl

@@ -1561,9 +1561,9 @@ def tf_version_info_genrule():
   native.genrule(
       name="version_info_gen",
       srcs=[
-          clean_dep("//tensorflow/tools/git:gen/spec.json"),
-          clean_dep("//tensorflow/tools/git:gen/head"),
-          clean_dep("//tensorflow/tools/git:gen/branch_ref"),
+          clean_dep("@local_config_git//:gen/spec.json"),
+          clean_dep("@local_config_git//:gen/head"),
+          clean_dep("@local_config_git//:gen/branch_ref"),
       ],
       outs=["util/version_info.cc"],
       cmd=

tensorflow/tools/git/BUILD

@@ -7,9 +7,7 @@ package(default_visibility = ["//tensorflow:internal"])
 licenses(["notice"])  # Apache 2.0
 
 exports_files(
-    glob(["gen/*"]) + [
-        "gen_git_source.py",
-    ],
+    ["gen_git_source.py"],
 )
 
 # -----------------------------------------------------------------------------

tensorflow/tools/git/gen/branch_ref

@@ -1 +0,0 @@
-

tensorflow/tools/git/gen/head

@@ -1 +0,0 @@
-

tensorflow/tools/git/gen/spec.json

@@ -1,3 +0,0 @@
-{
-  "git": false
-}

tensorflow/tools/git/gen_git_source.py

@@ -62,7 +62,7 @@ def parse_branch_ref(filename):
     raise RuntimeError("Git directory has unparseable HEAD")
 
 
-def configure(src_base_path, debug=False):
+def configure(src_base_path, gen_path, debug=False):
   """Configure `src_base_path` to embed git hashes if available."""
 
   # TODO(aselle): No files generated or symlinked here are deleted by
@@ -71,7 +71,6 @@ def configure(src_base_path, debug=False):
   # without running ./configure again.
 
   git_path = os.path.join(src_base_path, ".git")
-  gen_path = os.path.join(src_base_path, "tensorflow", "tools", "git", "gen")
 
   # Remove and recreate the path
   if os.path.exists(gen_path):
@@ -260,6 +259,10 @@ parser.add_argument(
     "--configure", type=str,
     help="Path to configure as a git repo dependency tracking sentinel")
 
+parser.add_argument(
+    "--gen_root_path", type=str,
+    help="Root path to place generated git files (created by --configure).")
+
 parser.add_argument(
     "--generate",
     type=str,
@@ -274,7 +277,9 @@ parser.add_argument(
 args = parser.parse_args()
 
 if args.configure is not None:
-  configure(args.configure, debug=args.debug)
+  if args.gen_root_path is None:
+    raise RuntimeError("Must pass --gen_root_path arg when running --configure")
+  configure(args.configure, args.gen_root_path, debug=args.debug)
 elif args.generate is not None:
   generate(args.generate)
 elif args.raw_generate is not None:

tensorflow/workspace.bzl

@@ -2,6 +2,7 @@
 
 load("//third_party/gpus:cuda_configure.bzl", "cuda_configure")
 load("//third_party/mkl:build_defs.bzl", "mkl_repository")
+load("//third_party/git:git_configure.bzl", "git_configure")
 load("//third_party/py:python_configure.bzl", "python_configure")
 load("//third_party/sycl:sycl_configure.bzl", "sycl_configure")
 load("//third_party/toolchains/cpus/arm:arm_compiler_configure.bzl", "arm_compiler_configure")
@@ -47,6 +48,7 @@ def tf_workspace(path_prefix="", tf_repo_name=""):
   # version we require here.
   check_version("0.5.4")
   cuda_configure(name="local_config_cuda")
+  git_configure(name="local_config_git")
   sycl_configure(name="local_config_sycl")
   python_configure(name="local_config_python")
 

third_party/git/BUILD.tpl

@@ -0,0 +1,10 @@
+# Description:
+# Exports generated files used to generate tensorflow/core/util/version_info.cc
+
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+exports_files(
+    glob(["gen/*"]),
+)

third_party/git/git_configure.bzl

@@ -0,0 +1,20 @@
+"""Repository rule for Git autoconfiguration."""
+
+def _git_conf_impl(repository_ctx):
+  repository_ctx.template(
+      "BUILD",
+      Label("//third_party/git:BUILD.tpl"))
+
+  tensorflow_root_path = str(repository_ctx.path(
+      Label("@org_tensorflow//:BUILD")))[:-len("BUILD")]
+  python_script_path = repository_ctx.path(
+      Label("@org_tensorflow//tensorflow/tools/git:gen_git_source.py"))
+  generated_files_path = repository_ctx.path("gen")
+
+  repository_ctx.execute([
+      python_script_path, "--configure", tensorflow_root_path,
+      "--gen_root_path", generated_files_path], quiet=False)
+
+git_configure = repository_rule(
+    implementation = _git_conf_impl,
+)