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[workspace] Update ALIAS_REPOSITORIES to read dicts of aliases #24916

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Merged
SeanCurtis-TRI merged 1 commit into from
Aug 26, 2026
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[workspace] Update ALIAS_REPOSITORIES to read dicts of aliases #24916

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56 changes: 31 additions & 25 deletions tools/workspace/default.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -153,37 +153,43 @@ def _drake_dep_repositories_impl(module_ctx):
python_repository(name = "python")
snopt_repository(name = "snopt")

ALIAS_REPOSITORIES = [
"blas",
"eigen",
"fmt",
"glib",
"lapack",
"libjpeg",
"nlohmann_json",
"opencl",
"spdlog",
"suitesparse",
"zlib",
]
for name in ALIAS_REPOSITORIES:
actual = "@drake//tools/workspace/" + name
aliases = {name: actual}
if name == "glib":
ALIAS_REPOSITORIES = {
"blas": "blas",
"eigen": "eigen",
"fmt": "fmt",
"glib": {
"glib": "glib",
# We provide @glib//glib to match bzlmod glib's package structure.
aliases.update({"//glib:glib": actual})
if name == "nlohmann_json":
"//glib:glib": "glib",
},
"lapack": "lapack",
"libjpeg": "libjpeg",
"nlohmann_json": {
# We provide both aliases, since Drake first-party only needs
# :singleheader-json but third-party (VTK) needs :json.
aliases = {
"json": actual + ":json",
"singleheader-json": actual + ":singleheader-json",
}
if name == "suitesparse":
"json": "nlohmann_json:json",
"singleheader-json": "nlohmann_json:singleheader-json",
},
"opencl": "opencl",
"spdlog": "spdlog",
"suitesparse": {
# We only provide @suitesparse//:amd since it's the only library in
# suitesparse Drake needs (and can reasonably obtain, for licensing
# reasons).
aliases = {"amd": actual + ":amd"}
"amd": "suitesparse:amd",
},
"zlib": "zlib",
}

ALIAS_ROOT = "@drake//tools/workspace/"
for name, alias in ALIAS_REPOSITORIES.items():
if type(alias) == "string":
aliases = {name: ALIAS_ROOT + alias}
elif type(alias) == "dict":
aliases = {n: ALIAS_ROOT + a for n, a in alias.items()}
else:
fail("invalid type for ALIAS_REPOSITORIES[" + name + "]: " +
type(alias))
alias_repository(
name = name,
aliases = aliases,
Expand Down