add compile_data attr to cargo_build_script (#2203)

No functional changes intended.

Before
3e124fb
this was implicitly handled by passing **binary_kwargs to the
rust_binary, now we're making this explicit.

cargo/private/cargo_build_script_wrapper.bzl

@@ -21,6 +21,7 @@ def cargo_build_script(
         proc_macro_deps = [],
         build_script_env = {},
         data = [],
+        compile_data = [],
         tools = [],
         links = None,
         rundir = None,
@@ -103,6 +104,7 @@ def cargo_build_script(
         proc_macro_deps (list of label, optional): List of rust_proc_macro targets used to build the script.
         build_script_env (dict, optional): Environment variables for build scripts.
         data (list, optional): Files needed by the build script.
+        compile_data (list, optional): Files needed for the compilation of the build script.
         tools (list, optional): Tools (executables) needed by the build script.
         links (str, optional): Name of the native library this crate links against.
         rundir (str, optional): A directory to `cd` to before the cargo_build_script is run. This should be a path relative to the exec root.
@@ -145,6 +147,7 @@ def cargo_build_script(
         deps = deps,
         proc_macro_deps = proc_macro_deps,
         data = data,
+        compile_data = compile_data,
         rustc_env = rustc_env,
         rustc_flags = rustc_flags,
         edition = edition,

docs/cargo.md

@@ -65,8 +65,8 @@ A rule for generating variables for dependent `cargo_build_script`s without a bu
 
 <pre>
 cargo_build_script(<a href="#cargo_build_script-name">name</a>, <a href="#cargo_build_script-edition">edition</a>, <a href="#cargo_build_script-crate_name">crate_name</a>, <a href="#cargo_build_script-crate_root">crate_root</a>, <a href="#cargo_build_script-srcs">srcs</a>, <a href="#cargo_build_script-crate_features">crate_features</a>, <a href="#cargo_build_script-version">version</a>, <a href="#cargo_build_script-deps">deps</a>,
-                   <a href="#cargo_build_script-link_deps">link_deps</a>, <a href="#cargo_build_script-proc_macro_deps">proc_macro_deps</a>, <a href="#cargo_build_script-build_script_env">build_script_env</a>, <a href="#cargo_build_script-data">data</a>, <a href="#cargo_build_script-tools">tools</a>, <a href="#cargo_build_script-links">links</a>, <a href="#cargo_build_script-rundir">rundir</a>,
-                   <a href="#cargo_build_script-rustc_env">rustc_env</a>, <a href="#cargo_build_script-rustc_flags">rustc_flags</a>, <a href="#cargo_build_script-visibility">visibility</a>, <a href="#cargo_build_script-tags">tags</a>, <a href="#cargo_build_script-aliases">aliases</a>, <a href="#cargo_build_script-kwargs">kwargs</a>)
+                   <a href="#cargo_build_script-link_deps">link_deps</a>, <a href="#cargo_build_script-proc_macro_deps">proc_macro_deps</a>, <a href="#cargo_build_script-build_script_env">build_script_env</a>, <a href="#cargo_build_script-data">data</a>, <a href="#cargo_build_script-compile_data">compile_data</a>, <a href="#cargo_build_script-tools">tools</a>, <a href="#cargo_build_script-links">links</a>,
+                   <a href="#cargo_build_script-rundir">rundir</a>, <a href="#cargo_build_script-rustc_env">rustc_env</a>, <a href="#cargo_build_script-rustc_flags">rustc_flags</a>, <a href="#cargo_build_script-visibility">visibility</a>, <a href="#cargo_build_script-tags">tags</a>, <a href="#cargo_build_script-aliases">aliases</a>, <a href="#cargo_build_script-kwargs">kwargs</a>)
 </pre>
 
 Compile and execute a rust build script to generate build attributes
@@ -144,6 +144,7 @@ The `hello_lib` target will be build with the flags and the environment variable
 | <a id="cargo_build_script-proc_macro_deps"></a>proc_macro_deps |  List of rust_proc_macro targets used to build the script.   |  `[]` |
 | <a id="cargo_build_script-build_script_env"></a>build_script_env |  Environment variables for build scripts.   |  `{}` |
 | <a id="cargo_build_script-data"></a>data |  Files needed by the build script.   |  `[]` |
+| <a id="cargo_build_script-compile_data"></a>compile_data |  Files needed for the compilation of the build script.   |  `[]` |
 | <a id="cargo_build_script-tools"></a>tools |  Tools (executables) needed by the build script.   |  `[]` |
 | <a id="cargo_build_script-links"></a>links |  Name of the native library this crate links against.   |  `None` |
 | <a id="cargo_build_script-rundir"></a>rundir |  A directory to <code>cd</code> to before the cargo_build_script is run. This should be a path relative to the exec root.<br><br>The default behaviour (and the behaviour if rundir is set to the empty string) is to change to the relative path corresponding to the cargo manifest directory, which replicates the normal behaviour of cargo so it is easy to write compatible build scripts.<br><br>If set to <code>.</code>, the cargo build script will run in the exec root.   |  `None` |

docs/flatten.md

@@ -1546,8 +1546,8 @@ A collection of files either found within the `rust-stdlib` artifact or generate
 
 <pre>
 cargo_build_script(<a href="#cargo_build_script-name">name</a>, <a href="#cargo_build_script-edition">edition</a>, <a href="#cargo_build_script-crate_name">crate_name</a>, <a href="#cargo_build_script-crate_root">crate_root</a>, <a href="#cargo_build_script-srcs">srcs</a>, <a href="#cargo_build_script-crate_features">crate_features</a>, <a href="#cargo_build_script-version">version</a>, <a href="#cargo_build_script-deps">deps</a>,
-                   <a href="#cargo_build_script-link_deps">link_deps</a>, <a href="#cargo_build_script-proc_macro_deps">proc_macro_deps</a>, <a href="#cargo_build_script-build_script_env">build_script_env</a>, <a href="#cargo_build_script-data">data</a>, <a href="#cargo_build_script-tools">tools</a>, <a href="#cargo_build_script-links">links</a>, <a href="#cargo_build_script-rundir">rundir</a>,
-                   <a href="#cargo_build_script-rustc_env">rustc_env</a>, <a href="#cargo_build_script-rustc_flags">rustc_flags</a>, <a href="#cargo_build_script-visibility">visibility</a>, <a href="#cargo_build_script-tags">tags</a>, <a href="#cargo_build_script-aliases">aliases</a>, <a href="#cargo_build_script-kwargs">kwargs</a>)
+                   <a href="#cargo_build_script-link_deps">link_deps</a>, <a href="#cargo_build_script-proc_macro_deps">proc_macro_deps</a>, <a href="#cargo_build_script-build_script_env">build_script_env</a>, <a href="#cargo_build_script-data">data</a>, <a href="#cargo_build_script-compile_data">compile_data</a>, <a href="#cargo_build_script-tools">tools</a>, <a href="#cargo_build_script-links">links</a>,
+                   <a href="#cargo_build_script-rundir">rundir</a>, <a href="#cargo_build_script-rustc_env">rustc_env</a>, <a href="#cargo_build_script-rustc_flags">rustc_flags</a>, <a href="#cargo_build_script-visibility">visibility</a>, <a href="#cargo_build_script-tags">tags</a>, <a href="#cargo_build_script-aliases">aliases</a>, <a href="#cargo_build_script-kwargs">kwargs</a>)
 </pre>
 
 Compile and execute a rust build script to generate build attributes
@@ -1625,6 +1625,7 @@ The `hello_lib` target will be build with the flags and the environment variable
 | <a id="cargo_build_script-proc_macro_deps"></a>proc_macro_deps |  List of rust_proc_macro targets used to build the script.   |  `[]` |
 | <a id="cargo_build_script-build_script_env"></a>build_script_env |  Environment variables for build scripts.   |  `{}` |
 | <a id="cargo_build_script-data"></a>data |  Files needed by the build script.   |  `[]` |
+| <a id="cargo_build_script-compile_data"></a>compile_data |  Files needed for the compilation of the build script.   |  `[]` |
 | <a id="cargo_build_script-tools"></a>tools |  Tools (executables) needed by the build script.   |  `[]` |
 | <a id="cargo_build_script-links"></a>links |  Name of the native library this crate links against.   |  `None` |
 | <a id="cargo_build_script-rundir"></a>rundir |  A directory to <code>cd</code> to before the cargo_build_script is run. This should be a path relative to the exec root.<br><br>The default behaviour (and the behaviour if rundir is set to the empty string) is to change to the relative path corresponding to the cargo manifest directory, which replicates the normal behaviour of cargo so it is easy to write compatible build scripts.<br><br>If set to <code>.</code>, the cargo build script will run in the exec root.   |  `None` |