mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-12-11 17:04:22 -05:00
74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
"""toolchain to provide an mkosi binary."""
|
|
|
|
TOOLCHAIN_TYPE = "@constellation//bazel/mkosi:toolchain_type"
|
|
MAKE_VARIABLES = "@constellation//bazel/mkosi:make_variables"
|
|
|
|
MkosiInfo = provider(
|
|
doc = """Information needed to invoke mkosi.""",
|
|
fields = {
|
|
"label": "Label of a target providing a mkosi binary",
|
|
"name": "The name of the toolchain",
|
|
"path": "Path to the mkosi binary",
|
|
"valid": "Is this toolchain valid and usable?",
|
|
},
|
|
)
|
|
|
|
def _mkosi_toolchain_impl(ctx):
|
|
if ctx.attr.label and ctx.attr.path:
|
|
fail("mkosi_toolchain: label and path are mutually exclusive")
|
|
valid = bool(ctx.attr.label) or bool(ctx.attr.path)
|
|
|
|
mkosi_info = MkosiInfo(
|
|
name = str(ctx.label),
|
|
valid = valid,
|
|
label = ctx.attr.label,
|
|
path = ctx.attr.path,
|
|
)
|
|
toolchain_info = platform_common.ToolchainInfo(
|
|
mkosi = mkosi_info,
|
|
)
|
|
return [toolchain_info]
|
|
|
|
mkosi_toolchain = rule(
|
|
implementation = _mkosi_toolchain_impl,
|
|
attrs = {
|
|
"label": attr.label(
|
|
doc = "Label of a target providing a mkosi binary. Mutually exclusive with path.",
|
|
executable = True,
|
|
cfg = "exec",
|
|
allow_single_file = True,
|
|
default = None,
|
|
),
|
|
"path": attr.string(
|
|
doc = "Path to the mkosi binary. Mutually exclusive with label.",
|
|
),
|
|
},
|
|
)
|
|
|
|
def _mkosi_make_variables_impl(ctx):
|
|
info = ctx.toolchains[TOOLCHAIN_TYPE].mkosi
|
|
variables = {}
|
|
if info.valid:
|
|
binary_path = info.label[DefaultInfo].files_to_run.executable.path if info.label else info.path
|
|
variables["MKOSI"] = binary_path
|
|
return [platform_common.TemplateVariableInfo(variables)]
|
|
|
|
mkosi_make_variables = rule(
|
|
doc = "Make variables for mkosi.",
|
|
implementation = _mkosi_make_variables_impl,
|
|
toolchains = [TOOLCHAIN_TYPE],
|
|
)
|
|
|
|
def _is_mkosi_available_impl(ctx):
|
|
toolchain = ctx.toolchains[TOOLCHAIN_TYPE]
|
|
available = toolchain and toolchain.mkosi.valid
|
|
return [config_common.FeatureFlagInfo(
|
|
value = ("1" if available else "0"),
|
|
)]
|
|
|
|
is_mkosi_available = rule(
|
|
implementation = _is_mkosi_available_impl,
|
|
attrs = {},
|
|
toolchains = [TOOLCHAIN_TYPE],
|
|
)
|