elisp_manual: Support additional input files.

Fixes #570.

elisp/defs.bzl

@@ -740,7 +740,7 @@ def _elisp_manual_impl(ctx):
         fail("Output filename {} doesn’t end in “.texi”".format(out.short_path))
     ctx.actions.run(
         outputs = [out],
-        inputs = [src],
+        inputs = [src] + ctx.files.additional_inputs,
         executable = ctx.executable._export,
         arguments = [ctx.actions.args().add(src).add(out)],
         mnemonic = "Export",
@@ -759,6 +759,11 @@ elisp_manual = rule(
             doc = "Texinfo manual file to write; must end in `.texi`.",
             mandatory = True,
         ),
+        "additional_inputs": attr.label_list(
+            doc = "List of additional files made available during export.",
+            allow_files = True,
+            cfg = "exec",
+        ),
         "_export": attr.label(
             allow_single_file = True,
             executable = True,

examples/BUILD

@@ -103,6 +103,7 @@ elisp_manual(
     name = "doc",
     src = "doc.org",
     out = "doc.texi",
+    additional_inputs = ["config.org"],
 )
 
 genrule(

examples/config.org

@@ -0,0 +1,16 @@
+# Copyright 2021, 2022, 2024 Philipp Stephani
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#+LANGUAGE: en
+#+OPTIONS: author:nil date:nil

examples/doc.org

@@ -1,4 +1,4 @@
-# Copyright 2021, 2022 Google LLC
+# Copyright 2021, 2022, 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,8 +13,7 @@
 # limitations under the License.
 
 #+TITLE: Example documentation
-#+LANGUAGE: en
-#+OPTIONS: author:nil date:nil
+#+SETUPFILE: examples/config.org
 
 * Chapter