Generate package license metadata #2476

nickcollier · 2024-02-12T09:48:43Z

google-cla · 2024-02-12T09:48:47Z

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UebelAndre

Thanks! Can you show the rendered output of a BUILD file after this change?

nickcollier · 2024-02-12T16:39:28Z

Here is the BUILD file rendered from the rand crate when passing render_config(generate_package_metadata = True) into crates_repository

###############################################################################
# @generated
# DO NOT MODIFY: This file is auto-generated by a crate_universe tool. To 
# regenerate this file, run the following:
#
#     bazel sync --only=guessing_game_crates
###############################################################################

load("@rules_rust//rust:defs.bzl", "rust_library")

# buildifier: disable=bzl-visibility
load("@rules_rust//crate_universe/private:selects.bzl", "selects")

load("@rules_license//rules:package_info.bzl", "package_info")

load("@rules_license//rules:license.bzl", "license")

package(
    default_package_metadata = [
        ":license",
        ":package_info",
    ],
    default_visibility = ["//visibility:public"],
)

package_info(
    name = "package_info",
    package_name = "rand",
    package_version = "0.8.5",
    package_url = "https://github.com/rust-random/rand",
)

license(
    name = "license",
    license_kinds = [
        "@rules_license//licenses/spdx:Apache-2.0",
        "@rules_license//licenses/spdx:MIT",
    ],
)

# licenses([
#     "TODO",  # MIT OR Apache-2.0
# ])

rust_library(
    name = "rand",
    deps = [
        "@guessing_game_crates__rand_chacha-0.3.1//:rand_chacha",
        "@guessing_game_crates__rand_core-0.6.4//:rand_core",
    ] + select({
        "@rules_rust//rust/platform:aarch64-apple-darwin": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:aarch64-apple-ios": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:aarch64-apple-ios-sim": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:aarch64-fuchsia": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:aarch64-linux-android": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:aarch64-unknown-linux-gnu": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:aarch64-unknown-nixos-gnu": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:aarch64-unknown-nto-qnx710": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:arm-unknown-linux-gnueabi": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:armv7-linux-androideabi": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:armv7-unknown-linux-gnueabi": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:i686-apple-darwin": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:i686-linux-android": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:i686-unknown-freebsd": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:i686-unknown-linux-gnu": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:powerpc-unknown-linux-gnu": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:s390x-unknown-linux-gnu": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:x86_64-apple-darwin": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:x86_64-apple-ios": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:x86_64-fuchsia": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:x86_64-linux-android": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:x86_64-unknown-freebsd": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:x86_64-unknown-linux-gnu": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "@rules_rust//rust/platform:x86_64-unknown-nixos-gnu": [
            "@guessing_game_crates__libc-0.2.152//:libc",  # cfg(unix)
        ],
        "//conditions:default": [],
    }),
    compile_data = glob(
        include = ["**"],
        exclude = [
            "**/* *",
            ".tmp_git_root/**/*",
            "BUILD",
            "BUILD.bazel",
            "WORKSPACE",
            "WORKSPACE.bazel",
        ],
    ),
    crate_features = [
        "alloc",
        "default",
        "getrandom",
        "libc",
        "rand_chacha",
        "std",
        "std_rng",
    ],
    crate_root = "src/lib.rs",
    edition = "2018",
    rustc_flags = [
        "--cap-lints=allow",
    ],
    srcs = glob(["**/*.rs"]),
    tags = [
        "cargo-bazel",
        "crate-name=rand",
        "manual",
        "noclippy",
        "norustfmt",
    ],
    target_compatible_with = select({
        "@rules_rust//rust/platform:aarch64-apple-darwin": [],
        "@rules_rust//rust/platform:aarch64-apple-ios": [],
        "@rules_rust//rust/platform:aarch64-apple-ios-sim": [],
        "@rules_rust//rust/platform:aarch64-fuchsia": [],
        "@rules_rust//rust/platform:aarch64-linux-android": [],
        "@rules_rust//rust/platform:aarch64-pc-windows-msvc": [],
        "@rules_rust//rust/platform:aarch64-unknown-linux-gnu": [],
        "@rules_rust//rust/platform:aarch64-unknown-nixos-gnu": [],
        "@rules_rust//rust/platform:aarch64-unknown-nto-qnx710": [],
        "@rules_rust//rust/platform:arm-unknown-linux-gnueabi": [],
        "@rules_rust//rust/platform:armv7-linux-androideabi": [],
        "@rules_rust//rust/platform:armv7-unknown-linux-gnueabi": [],
        "@rules_rust//rust/platform:i686-apple-darwin": [],
        "@rules_rust//rust/platform:i686-linux-android": [],
        "@rules_rust//rust/platform:i686-pc-windows-msvc": [],
        "@rules_rust//rust/platform:i686-unknown-freebsd": [],
        "@rules_rust//rust/platform:i686-unknown-linux-gnu": [],
        "@rules_rust//rust/platform:powerpc-unknown-linux-gnu": [],
        "@rules_rust//rust/platform:riscv32imc-unknown-none-elf": [],
        "@rules_rust//rust/platform:riscv64gc-unknown-none-elf": [],
        "@rules_rust//rust/platform:s390x-unknown-linux-gnu": [],
        "@rules_rust//rust/platform:thumbv7em-none-eabi": [],
        "@rules_rust//rust/platform:thumbv8m.main-none-eabi": [],
        "@rules_rust//rust/platform:wasm32-unknown-unknown": [],
        "@rules_rust//rust/platform:wasm32-wasi": [],
        "@rules_rust//rust/platform:x86_64-apple-darwin": [],
        "@rules_rust//rust/platform:x86_64-apple-ios": [],
        "@rules_rust//rust/platform:x86_64-fuchsia": [],
        "@rules_rust//rust/platform:x86_64-linux-android": [],
        "@rules_rust//rust/platform:x86_64-pc-windows-msvc": [],
        "@rules_rust//rust/platform:x86_64-unknown-freebsd": [],
        "@rules_rust//rust/platform:x86_64-unknown-linux-gnu": [],
        "@rules_rust//rust/platform:x86_64-unknown-nixos-gnu": [],
        "@rules_rust//rust/platform:x86_64-unknown-none": [],
        "//conditions:default": ["@platforms//:incompatible"],
    }),
    version = "0.8.5",
)

UebelAndre · 2024-02-12T16:50:16Z

Thanks! Should rules_license be added as a dependency in places?

nickcollier · 2024-02-12T17:14:06Z

If you don't have a @rules_license repo and you pass in render_config(generate_package_metadata = True) then this will fail.
I wasn't too sure about adding extra dependencies but I am happy to do it if you think that is OK?
I assume the best place to do it would be in crate_universe_dependencies?

nickcollier · 2024-02-13T09:59:22Z

I have added a dependency on rules_license in both rules_rust_dependencies and MODULE.bazel
All CI checks are now passing, please let me know if you would like any other changes.

UebelAndre

Can you remove the old

# licenses([
#     "TODO",  # MIT OR Apache-2.0
# ])

snippets from the generated BUILD files. They should be unnecessary in light of rules_license

nickcollier · 2024-02-13T16:25:44Z

I've update crate_universe/src/rendering.rs to no longer render the commented out licenses snippet
I then ran the regen command listed at the top of each BUILD file in the repo that contained the old snippet.
This has resulted in a more changes than just removing the snippet - if you prefer I can revert this commit and only make the change to crate_universe/src/rendering.rs

UebelAndre

Looks good so far! Question though, the only metadata that's generated is for licensing right? I renamed the PR to Generate package license metadata, is that a more accurate description or is there more data being generated here? If not I think the config flag should also include the word "license" if possible

nickcollier · 2024-02-13T23:20:13Z

It generates two metadata items:

Although both are provided by rules_license only the license metadata item is explicitly related to licensing. The package_info really is metadata about the package itself and not it's license (it is useful for enabling use of rules_license SBOM generation tools!)

As these two metaitems are the only ones that currently exist, the flag does decide if the BUILD file package has default_package_metadata specified or not so I feel like the current name is valid.

However if you are concerned that you may include additional default_package_metadata items in the future and don't want them coupled with this config flag perhaps specifying that it is going to generate the metadata providers from rules_license would a good choice? Perhaps: render_config(generate_rules_license_package_metadata = True) or render_config(generate_rules_license_metadata = True)

UebelAndre · 2024-02-13T23:24:07Z

I like the latter option if you don’t mind :)

UebelAndre

Awesome, thank you so much!

…#2521) #2476 added rules_license license metadata to crate BUILD files but many crates to do not have a license file specified in their cargo metadata. This PR adds a fallback that attempts to locate a license file in the crate package root directory.

…bazelbuild#2521) bazelbuild#2476 added rules_license license metadata to crate BUILD files but many crates to do not have a license file specified in their cargo metadata. This PR adds a fallback that attempts to locate a license file in the crate package root directory.

nickcollier added 3 commits February 2, 2024 23:26

Add rendering option to generate package_metadata

bcfb07e

reformat defs.bzl docstring

4143748

Merge branch 'bazelbuild:main' into generate_package_metadata

4210237

scentini added the external-crates label Feb 12, 2024

UebelAndre requested changes Feb 12, 2024

View reviewed changes

nickcollier added 10 commits February 12, 2024 19:01

rustfmt and clippy

14673e6

Run crate_universe/3rdparty:crates_vendor

3c554ef

bzlmod: add cui_spdx to internal_deps

6c8691d

Regenerate documentation

a974070

repin crate universe examples

a4f114a

Add dependency on rules_license

e5222f4

repin nix_cross_compiling examples

8f6370f

repin no_std test

3330e1b

Merge branch 'main' into generate_package_metadata

e469962

remove commented out licenses section from BUILD files

51137c3

Regenerate documentation

1119b15

UebelAndre requested changes Feb 13, 2024

View reviewed changes

nickcollier added 2 commits February 13, 2024 16:50

Merge branch 'main' into generate_package_metadata

88a6db8

Change flag to generate_rules_license_metadata

72f146c

UebelAndre changed the title ~~Generate package metadata~~ Generate package license metadata Feb 13, 2024

UebelAndre requested changes Feb 13, 2024

View reviewed changes

UebelAndre approved these changes Feb 14, 2024

View reviewed changes

UebelAndre enabled auto-merge (squash) February 14, 2024 00:30

UebelAndre merged commit 172b34a into bazelbuild:main Feb 14, 2024
3 checks passed

nickcollier mentioned this pull request Feb 26, 2024

Locate license file in packge root if not specified in cargo metadata #2521

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Generate package license metadata #2476

Generate package license metadata #2476

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Generate package license metadata #2476

Generate package license metadata #2476

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