32 lines
931 B
Python
32 lines
931 B
Python
|
def _uapi_unpacker_impl(ctx):
|
||
|
|
input_tar = ctx.file.kernel_uapi_headers
|
||
|
|
out_dir = ctx.actions.declare_directory(ctx.label.name + "_uapi_headers")
|
||
|
|
|
||
|
|
ctx.actions.run_shell(
|
||
|
|
outputs = [out_dir],
|
||
|
|
inputs = [input_tar],
|
||
|
|
arguments = [input_tar.path, out_dir.path],
|
||
|
|
progress_message = "Unpacking UAPI headers",
|
||
|
|
command = """
|
||
|
|
tar_file="${PWD}/$1"
|
||
|
|
out_dir="${PWD}/$2"
|
||
|
|
mkdir -p "$out_dir"
|
||
|
|
cd "$out_dir"
|
||
|
|
tar --strip-components=2 -xzf "$tar_file"
|
||
|
|
""",
|
||
|
|
)
|
||
|
|
|
||
|
|
return [DefaultInfo(files = depset([out_dir]))]
|
||
|
|
|
||
|
|
uapi_unpacker = rule(
|
||
|
|
implementation = _uapi_unpacker_impl,
|
||
|
|
doc = """Unpack `kernel-uapi-headers.tar.gz`""",
|
||
|
|
attrs = {
|
||
|
|
"kernel_uapi_headers": attr.label(
|
||
|
|
allow_single_file = True,
|
||
|
|
mandatory = True,
|
||
|
|
doc = "the kernel_uapi_headers tarball or label",
|
||
|
|
),
|
||
|
|
},
|
||
|
|
)
|