0002-Pass-through-information-about-location-of-the-nupkg.patch

diff --git a/dotnet/private/providers.bzl b/dotnet/private/providers.bzl
index df00a25..0b06638 100644
--- a/dotnet/private/providers.bzl
+++ b/dotnet/private/providers.bzl
@@ -44,6 +44,7 @@ NuGetInfo = provider(
     fields = {
         "targeting_pack_overrides": "map[string, string]: Targeting packs like e.g. Microsoft.NETCore.App.Ref have a PackageOverride.txt that includes a list of NuGet packages that should be omitted in a compiliation because they are included in the targeting pack",
         "sha512": "string: the SHA512 SRI string for the package",
+        "nupkg": "File: the underlying `.nupkg` file which provides this package",
     },
 )

diff --git a/dotnet/private/rules/nuget/imports.bzl b/dotnet/private/rules/nuget/imports.bzl
index a41bc70..79ebc94 100644
--- a/dotnet/private/rules/nuget/imports.bzl
+++ b/dotnet/private/rules/nuget/imports.bzl
@@ -59,6 +59,7 @@ def _import_library(ctx):
     ), NuGetInfo(
         targeting_pack_overrides = ctx.attr.targeting_pack_overrides,
         sha512 = ctx.attr.sha512,
+        nupkg = ctx.file.nupkg,
     )]

 import_library = rule(
@@ -107,6 +108,10 @@ import_library = rule(
         "sha512": attr.string(
             doc = "The SHA512 sum of the NuGet package",
         ),
+        "nupkg": attr.label(
+            doc = "The `.nupkg` file providing this import",
+            allow_single_file = True,
+        ),
     },
     toolchains = [
         "@rules_dotnet//dotnet:toolchain_type",
diff --git a/dotnet/private/rules/nuget/nuget_archive.bzl b/dotnet/private/rules/nuget/nuget_archive.bzl
index 38a9473..683abdd 100644
--- a/dotnet/private/rules/nuget/nuget_archive.bzl
+++ b/dotnet/private/rules/nuget/nuget_archive.bzl
@@ -19,6 +19,8 @@ load(
     "RUNTIME_GRAPH",
 )

+GLOBAL_NUGET_PREFIX = "nuget"
+
 def _is_windows(repository_ctx):
     """Returns true if the host operating system is windows."""
     os_name = repository_ctx.os.name.lower()
@@ -321,7 +323,17 @@ def _nuget_archive_impl(ctx):

     # Then get the auth dict for the package base urls
     auth = _get_auth_dict(ctx, ctx.attr.netrc, urls)
-    ctx.download_and_extract(urls, type = "zip", integrity = ctx.attr.sha512, auth = auth)
+    file_name = "%s.zip" % ctx.name
+    nupkg_name = "%s.%s.nupkg" % (ctx.attr.id, ctx.attr.version)
+    names = [nupkg_name]
+    if nupkg_name.startswith(GLOBAL_NUGET_PREFIX):
+        nupkg_name = nupkg_name[len(GLOBAL_NUGET_PREFIX) + 1:]
+        names.append(nupkg_name)
+
+    ctx.download(urls, output = file_name, integrity = ctx.attr.sha512, auth = auth)
+    ctx.extract(archive = file_name)
+    for name in names:
+        ctx.symlink(file_name, name)

     files = _read_dir(ctx, ".").replace(str(ctx.path(".")) + "/", "").splitlines()

@@ -447,6 +459,7 @@ load("@rules_dotnet//dotnet/private/rules/nuget:nuget_archive.bzl", "tfm_filegro
         "filegroup(name = \"data\", srcs = [])",
         _create_rid_native_select("native", native) or "filegroup(name = \"native\", srcs = [])",
         "filegroup(name = \"content_files\", srcs = [%s])" % ",".join(["\n  \"%s\"" % a for a in groups.get("contentFiles")["any"]]),
+        "exports_files([\"%s\"])" % nupkg_name,
     ]))

 nuget_archive = repository_rule(
diff --git a/dotnet/private/rules/nuget/nuget_repo.bzl b/dotnet/private/rules/nuget/nuget_repo.bzl
index 77c2a67..c5cc56d 100644
--- a/dotnet/private/rules/nuget/nuget_repo.bzl
+++ b/dotnet/private/rules/nuget/nuget_repo.bzl
@@ -1,9 +1,7 @@
 "NuGet Repo"

 load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
-load("@rules_dotnet//dotnet/private/rules/nuget:nuget_archive.bzl", "nuget_archive")
-
-_GLOBAL_NUGET_PREFIX = "nuget"
+load("@rules_dotnet//dotnet/private/rules/nuget:nuget_archive.bzl", "GLOBAL_NUGET_PREFIX", "nuget_archive")

 def _nuget_repo_impl(ctx):
     for package in ctx.attr.packages:
@@ -22,8 +20,15 @@ def _nuget_repo_impl(ctx):
         targeting_pack_overrides = ctx.attr.targeting_pack_overrides[name.lower()]
         template = Label("@rules_dotnet//dotnet/private/rules/nuget:template.BUILD")

+        nupkg_path = "@{PREFIX}.{NAME_LOWER}.v{VERSION}//:{NAME_LOWER}.{VERSION}.nupkg".format(
+            PREFIX = GLOBAL_NUGET_PREFIX,
+            NAME = name,
+            NAME_LOWER = name.lower(),
+            VERSION = version,
+        )
+
         ctx.template("{}/{}/BUILD.bazel".format(name.lower(), version), template, {
-            "{PREFIX}": _GLOBAL_NUGET_PREFIX,
+            "{PREFIX}": GLOBAL_NUGET_PREFIX,
             "{NAME}": name,
             "{NAME_LOWER}": name.lower(),
             "{VERSION}": version,
@@ -36,7 +41,7 @@ def _nuget_repo_impl(ctx):
         ctx.file("{}/BUILD.bazel".format(name.lower()), r"""package(default_visibility = ["//visibility:public"])
 alias(name = "{name}", actual = "//{name}/{version}")
 alias(name = "content_files", actual = "@{prefix}.{name}.v{version}//:content_files")
-""".format(prefix = _GLOBAL_NUGET_PREFIX, name = name.lower(), version = version))
+""".format(prefix = GLOBAL_NUGET_PREFIX, name = name.lower(), version = version))

 _nuget_repo = repository_rule(
     _nuget_repo_impl,
@@ -63,7 +68,7 @@ def nuget_repo(name, packages):
         # maybe another nuget_repo has the same nuget package dependency
         maybe(
             nuget_archive,
-            name = "{}.{}.v{}".format(_GLOBAL_NUGET_PREFIX, package_name, version),
+            name = "{}.{}.v{}".format(GLOBAL_NUGET_PREFIX, package_name, version),
             sources = package["sources"],
             netrc = package.get("netrc", None),
             id = package_name,
diff --git a/dotnet/private/rules/nuget/template.BUILD b/dotnet/private/rules/nuget/template.BUILD
index 783f025..b62bce2 100644
--- a/dotnet/private/rules/nuget/template.BUILD
+++ b/dotnet/private/rules/nuget/template.BUILD
@@ -16,4 +16,5 @@ import_library(
     deps = select({
         {DEPS},
     }),
+    nupkg = "@{PREFIX}.{NAME_LOWER}.v{VERSION}//:{NAME_LOWER}.{VERSION}.nupkg"
 )