Radix/bazel/zig_srcs.bzl

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load("@aspect_bazel_lib//lib:tar.bzl", "mtree_spec", "tar")
load("@rules_zig//zig:defs.bzl", "zig_binary", "BINARY_KIND")
def zig_srcs(name, zig_bin="", zig_lib=""):
"""For a given zig_library, recursively extract all zig sources into a tarball.
This also includes the files translated from C headers.
It's also possible to pass zig_lib instead of zig_bin in which case,
The rule takes care of creating an intermediary binary from the lib.
"""
if zig_bin == "":
zig_bin = "{}_bin".format(name)
zig_binary(
name = zig_bin,
kind = BINARY_KIND.bc,
tags = ["manual", "@rules_zig//zig/lib:libc"],
deps = [zig_lib],
)
native.filegroup(
name = "{}_files".format(name),
srcs = [zig_bin],
output_group = "srcs",
)
mtree_spec(
name = "{}_mtree".format(name),
srcs = [":{}_files".format(name)],
)
tar(
name = name,
srcs = ["{}_files".format(name)],
args = [],
mtree = "{}_mtree".format(name),
)