modules/bazel-diff/49.0.1/MODULE.bazel

module(
    name = "bazel-diff",
    version = "49.0.1",
    compatibility_level = 0,
)

bazel_dep(name = "aspect_rules_lint", version = "2.1.0", dev_dependency = True)
bazel_dep(name = "buildifier_prebuilt", version = "8.5.1.2", dev_dependency = True)
bazel_dep(name = "aspect_bazel_lib", version = "2.22.5", dev_dependency = True)

# Direct dep because //release selects on @platforms//os and @platforms//cpu to
# name the release binaries.
bazel_dep(name = "platforms", version = "1.1.0")
bazel_dep(name = "rules_license", version = "1.0.0")

# protoc for the build script that compiles rust/proto/*.proto into the crate.
bazel_dep(name = "protobuf", version = "33.4")

# rules_python is only needed when building bazel-diff itself (the release,
# coverage and e2e tooling under //tools is Python). Marked dev_dependency so
# consumers of bazel-diff as a module don't inherit it via MVS.
bazel_dep(name = "rules_python", version = "1.8.4", dev_dependency = True)

# Go support is internal to building/testing bazel-diff (tooling under tools/go,
# whose line coverage is gated at >=90% in CI). Marked dev_dependency so consumers
# of bazel-diff as a module don't inherit rules_go/gazelle via MVS.
bazel_dep(name = "rules_go", version = "0.60.0", dev_dependency = True)
bazel_dep(name = "gazelle", version = "0.47.0", dev_dependency = True)

go_sdk = use_extension("@rules_go//go:extensions.bzl", "go_sdk", dev_dependency = True)
go_sdk.download(version = "1.23.1")

# Rust is a first-class published implementation (`//:bazel-diff-rust`) and is
# also used by the LCOV merger under //tools/coverage. Kept as a non-dev
# dependency so BCR consumers and top-level verify_targets can build the Rust
# binary without --ignore_dev_dependency stripping the crate repos/toolchains.
bazel_dep(name = "rules_rust", version = "0.73.0")

rust = use_extension("@rules_rust//rust:extensions.bzl", "rust")

# rustfmt_version is pinned to the same release as the toolchain instead of
# rules_rust's default (a nightly), so the `rustfmt_aspect` gate in .bazelrc
# checks formatting with the exact rustfmt a contributor gets from `cargo fmt`
# on a stable toolchain. A nightly rustfmt can change defaults between releases,
# which would fail CI on code that formats cleanly locally.
rust.toolchain(
    edition = "2021",
    rustfmt_version = "1.90.0",
    # Confine the stock toolchains to platforms that use the system libc. They
    # are only constrained by os and cpu -- rules_rust has no musl constraint --
    # so on //platforms:linux_x86_64_musl / linux_aarch64_musl they would match
    # alongside the musl toolchain below and resolution would silently take
    # whichever of the two was registered first.
    target_settings = ["//platforms:is_system_libc"],
    versions = ["1.90.0"],
)
use_repo(rust, "rust_toolchains")

register_toolchains("@rust_toolchains//:all")

# Rust std for the statically linked musl release binaries, cross-compiled from a
# glibc Linux host (the release runner) or from an Apple Silicon Mac (so a
# maintainer can reproduce the published binary locally). rustc itself is the
# ordinary glibc build: only the target changes, which is what keeps proc-macro
# and build-script actions -- compiled for the exec platform -- loadable.
# These toolchains join the same @rust_toolchains hub registered above.
rust.repository_set(
    name = "rust_musl_linux_x86_64",
    edition = "2021",
    exec_triple = "x86_64-unknown-linux-gnu",
    target_compatible_with = [
        "@platforms//cpu:x86_64",
        "@platforms//os:linux",
        "//platforms:musl",
    ],
    target_settings = ["//platforms:is_musl"],
    target_triple = "x86_64-unknown-linux-musl",
    versions = ["1.90.0"],
)

# Same exec host, second published Linux asset (arm64 musl). Sharing the set
# name avoids a second auto-emitted glibc x86_64 exec toolchain. exec_triple,
# edition, versions, and target_settings may only appear on the first tag for a
# given name.
rust.repository_set(
    name = "rust_musl_linux_x86_64",
    target_compatible_with = [
        "@platforms//cpu:aarch64",
        "@platforms//os:linux",
        "//platforms:musl",
    ],
    target_triple = "aarch64-unknown-linux-musl",
)

# rules_rust also emits a toolchain for a set's own exec triple, so the set
# above comes with a glibc x86_64 Linux toolchain whether or not it is wanted.
# Declaring its constraints keeps it from matching musl builds; the set-level
# //platforms:is_musl gate keeps it out of ordinary builds, where the stock
# toolchain serves and this one would otherwise be a second, identical
# candidate whose repository is a redundant ~200MB download.
rust.repository_set(
    name = "rust_musl_linux_x86_64",
    target_compatible_with = [
        "@platforms//cpu:x86_64",
        "@platforms//os:linux",
        "//platforms:system_libc",
    ],
    target_triple = "x86_64-unknown-linux-gnu",
)

# The macOS-hosted half of the same story. No companion tag is needed here: this
# set's exec-triple toolchain targets macOS, and a macOS platform can never
# satisfy the set's //platforms:is_musl gate.
rust.repository_set(
    name = "rust_musl_macos_aarch64",
    edition = "2021",
    exec_triple = "aarch64-apple-darwin",
    target_compatible_with = [
        "@platforms//cpu:x86_64",
        "@platforms//os:linux",
        "//platforms:musl",
    ],
    target_settings = ["//platforms:is_musl"],
    target_triple = "x86_64-unknown-linux-musl",
    versions = ["1.90.0"],
)
rust.repository_set(
    name = "rust_musl_macos_aarch64",
    target_compatible_with = [
        "@platforms//cpu:aarch64",
        "@platforms//os:linux",
        "//platforms:musl",
    ],
    target_triple = "aarch64-unknown-linux-musl",
)

# Native ARM Linux host (Graviton, ubuntu-24.04-arm): same musl aarch64 target
# as the x86_64-hosted set above, with a companion gnu tag so the auto-emitted
# exec-triple toolchain does not collide with the stock glibc one.
rust.repository_set(
    name = "rust_musl_linux_aarch64",
    edition = "2021",
    exec_triple = "aarch64-unknown-linux-gnu",
    target_compatible_with = [
        "@platforms//cpu:aarch64",
        "@platforms//os:linux",
        "//platforms:musl",
    ],
    target_settings = ["//platforms:is_musl"],
    target_triple = "aarch64-unknown-linux-musl",
    versions = ["1.90.0"],
)
rust.repository_set(
    name = "rust_musl_linux_aarch64",
    target_compatible_with = [
        "@platforms//cpu:aarch64",
        "@platforms//os:linux",
        "//platforms:system_libc",
    ],
    target_triple = "aarch64-unknown-linux-gnu",
)

# C toolchain for the musl target: a gcc cross-compiler bundled with musl libc,
# used to link the Rust binary and to build the C in `ring` (rustls). Scoped to
# //platforms:musl so it never displaces the host cc toolchain on ordinary
# builds. dev_dependency because only bazel-diff's own release build needs it --
# consumers of the module never resolve it.
bazel_dep(name = "toolchains_musl", version = "0.1.27.bcr.1", dev_dependency = True)

toolchains_musl = use_extension(
    "@toolchains_musl//:toolchains_musl.bzl",
    "toolchains_musl",
    dev_dependency = True,
)
toolchains_musl.config(extra_target_compatible_with = ["//platforms:musl"])

# Toolchain pinned to `rust-version` in Cargo.toml, so the MSRV job in ci.yaml
# can prove the crate still builds on the minimum Rust it advertises. Keep the
# version in sync with `rust-version` in Cargo.toml.
#
# It lands in the same @rust_toolchains hub as everything above, but rules_rust
# appends `repository_set` toolchains *after* the default ones, so it never wins
# ordinary toolchain resolution. The MSRV job selects it explicitly with
# --extra_toolchains, which outranks every registered toolchain. It carries the
# same system-libc gate as the stock toolchains for the same reason they do: one
# Rust toolchain should match any given build, never two.
#
# Linux/x86_64 only: a `repository_set` tag declares one exec triple, and the
# MSRV job runs on ubuntu-latest. Building it on another host just falls back to
# the default toolchain (no MSRV coverage), it does not fail.
rust.repository_set(
    name = "rust_msrv",
    edition = "2021",
    exec_triple = "x86_64-unknown-linux-gnu",
    target_compatible_with = [
        "@platforms//cpu:x86_64",
        "@platforms//os:linux",
        "//platforms:system_libc",
    ],
    target_settings = ["//platforms:is_system_libc"],
    target_triple = "x86_64-unknown-linux-gnu",
    versions = ["1.85.0"],
)

crate = use_extension("@rules_rust//crate_universe:extensions.bzl", "crate")
crate.from_cargo(
    name = "bazel_diff_crates",
    cargo_lockfile = "//:Cargo.lock",
    # crate_universe refuses to run from_cargo in a non-root module without a
    # checked-in cargo-bazel lockfile (repinning can't cross module boundaries),
    # so BCR consumers need this file shipped in the release archive.
    # Regenerate with: CARGO_BAZEL_REPIN=1 bazel build //:bazel-diff-rust
    # (`bazel sync` is WORKSPACE-only and this module is bzlmod-only).
    lockfile = "//:cargo-bazel-lock.json",
    manifests = ["//:Cargo.toml"],
)
use_repo(crate, "bazel_diff_crates")