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Add reference-lock-file option #80

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Add reference-lock-file option #80

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10 changes: 10 additions & 0 deletions nix_fast_build/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,7 @@ class Options:
out_link: str = "result"
result_format: ResultFormat = ResultFormat.JSON
result_file: Path | None = None
reference_lock_file: str | None = None

cachix_cache: str | None = None

Expand Down Expand Up @@ -266,6 +267,12 @@ async def parse_args(args: list[str]) -> Options:
default="json",
help="Format of the build result file",
)
parser.add_argument(
"--reference-lock-file",
type=str,
default=None,
help="Read the given lock file instead of `flake.lock` within the top-level flake.",
)

a = parser.parse_args(args)

Expand Down Expand Up @@ -322,6 +329,7 @@ async def parse_args(args: list[str]) -> Options:
out_link=a.out_link,
result_format=ResultFormat[a.result_format.upper()],
result_file=a.result_file,
reference_lock_file=a.reference_lock_file,
)


Expand Down Expand Up @@ -480,6 +488,8 @@ async def nix_eval_jobs(tmp_dir: Path, opts: Options) -> AsyncIterator[Process]:
f"{opts.flake_url}#{opts.flake_fragment}",
*opts.options,
]
if opts.reference_lock_file:
args.extend(["--reference-lock-file", opts.reference_lock_file])
if opts.skip_cached:
args.append("--check-cache-status")
if opts.remote:
Expand Down