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rustPlatform.fetchCargoVendor: de-duplicate git sources by selector

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Cathal Mullan 2026-03-21 16:08:18 +00:00 • committed by TomaSajt
commit 100e23324c
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1 changed files with 20 additions and 8 deletions
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28
pkgs/build-support/rust/fetch-cargo-vendor-util.py
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@ -292,6 +292,7 @@ def create_vendor(vendor_staging_dir: Path, out_dir: Path) -> None:
lockfile_version = get_lockfile_version(cargo_lock_toml)
source_to_ind: dict[str, str] = {}
selector_to_ind: dict[tuple, str] = {}
source_config = {}
next_registry_ind = 0
next_git_ind = 0
@ -327,24 +328,35 @@ def create_vendor(vendor_staging_dir: Path, out_dir: Path) -> None:
continue
if source.startswith("git+"):
ind = f"git-{next_git_ind}"
next_git_ind += 1
source_info = parse_git_source(source, lockfile_version)
selector = make_git_source_selector(source_info)
selector_key = (source_info["url"], source_info["type"], source_info["value"])
if selector_key in selector_to_ind:
ind = selector_to_ind[selector_key]
else:
ind = f"git-{next_git_ind}"
next_git_ind += 1
selector_to_ind[selector_key] = ind
add_source_replacement(
orig_key=f"original-source-{ind}",
orig_selector=selector,
vendored_key=f"vendored-source-{ind}",
vendored_dir=f"@vendor@/source-{ind}"
)
elif source.startswith("registry+") or source.startswith("sparse+"):
ind = f"registry-{next_registry_ind}"
next_registry_ind += 1
selector = make_registry_source_selector(source)
add_source_replacement(
orig_key=f"original-source-{ind}",
orig_selector=selector,
vendored_key=f"vendored-source-{ind}",
vendored_dir=f"@vendor@/source-{ind}"
)
else:
raise Exception(f"Can't process source: {source}.")
source_to_ind[source] = ind
add_source_replacement(
orig_key=f"original-source-{ind}",
orig_selector=selector,
vendored_key=f"vendored-source-{ind}",
vendored_dir=f"@vendor@/source-{ind}"
)
config_path = out_dir / ".cargo" / "config.toml"
config_path.parent.mkdir()