diff --git a/docs/metadata/defs.md b/docs/metadata/defs.md
index e18c660..c291104 100755
--- a/docs/metadata/defs.md
+++ b/docs/metadata/defs.md
@@ -32,19 +32,29 @@ Provider for declaring metadata about a Bazel package.
load("@package_metadata//:defs.bzl", "PackageMetadataInfo")
-PackageMetadataInfo(metadata, files)
+PackageMetadataInfo(metadata, purl, files)
Provider for declaring metadata about a Bazel package.
> **Fields in this provider are not covered by the stability gurantee.**
-**FIELDS**
+**CONSTRUCTOR PARAMETERS**
| Name | Description | Default Value |
| :------------- | :------------- | :------------- |
-| metadata | The [File](https://bazel.build/rules/lib/builtins/File) containing metadata about the package. | none |
-| files | A [depset](https://bazel.build/rules/lib/builtins/depset) of [File](https://bazel.build/rules/lib/builtins/File)s with metadata about the package, including transitive files from all attributes of the package. | `[]` |
+| metadata | The [File](https://bazel.build/rules/lib/builtins/File) containing metadata about the package. | none |
+| purl | PURL | none |
+| files | A [depset](https://bazel.build/rules/lib/builtins/depset) of [File](https://bazel.build/rules/lib/builtins/File)s with metadata about the package, including transitive files from all attributes of the package. | `[]` |
+
+**FIELDS**
+
+| Name | Description |
+| :------------- | :------------- |
+| kind | Type descriminator |
+| files | A [depset](https://bazel.build/rules/lib/builtins/depset) of [File](https://bazel.build/rules/lib/builtins/File)s with metadata about the package, including transitive files from all attributes of the package. |
+| metadata | The [File](https://bazel.build/rules/lib/builtins/File) containing metadata about the package. |
+| purl | PURL |
diff --git a/docs/metadata/providers/package_metadata_info.md b/docs/metadata/providers/package_metadata_info.md
index 7d34335..56fab08 100755
--- a/docs/metadata/providers/package_metadata_info.md
+++ b/docs/metadata/providers/package_metadata_info.md
@@ -9,18 +9,28 @@ Declares provider `PackageMetadataInfo`.
load("@package_metadata//providers:package_metadata_info.bzl", "PackageMetadataInfo")
-PackageMetadataInfo(metadata, files)
+PackageMetadataInfo(metadata, purl, files)
Provider for declaring metadata about a Bazel package.
> **Fields in this provider are not covered by the stability gurantee.**
-**FIELDS**
+**CONSTRUCTOR PARAMETERS**
| Name | Description | Default Value |
| :------------- | :------------- | :------------- |
-| metadata | The [File](https://bazel.build/rules/lib/builtins/File) containing metadata about the package. | none |
-| files | A [depset](https://bazel.build/rules/lib/builtins/depset) of [File](https://bazel.build/rules/lib/builtins/File)s with metadata about the package, including transitive files from all attributes of the package. | `[]` |
+| metadata | The [File](https://bazel.build/rules/lib/builtins/File) containing metadata about the package. | none |
+| purl | PURL | none |
+| files | A [depset](https://bazel.build/rules/lib/builtins/depset) of [File](https://bazel.build/rules/lib/builtins/File)s with metadata about the package, including transitive files from all attributes of the package. | `[]` |
+
+**FIELDS**
+
+| Name | Description |
+| :------------- | :------------- |
+| kind | Type descriminator |
+| files | A [depset](https://bazel.build/rules/lib/builtins/depset) of [File](https://bazel.build/rules/lib/builtins/File)s with metadata about the package, including transitive files from all attributes of the package. |
+| metadata | The [File](https://bazel.build/rules/lib/builtins/File) containing metadata about the package. |
+| purl | PURL |
diff --git a/metadata/providers/package_metadata_info.bzl b/metadata/providers/package_metadata_info.bzl
index 60a35ed..1bd1c23 100644
--- a/metadata/providers/package_metadata_info.bzl
+++ b/metadata/providers/package_metadata_info.bzl
@@ -2,8 +2,9 @@
visibility("public")
-def _init(metadata, files = []):
+def _init(metadata, purl, files = []):
return {
+ "kind": "build.bazel.attribute.package_metadata",
"files": depset(
direct = [
metadata,
@@ -11,6 +12,7 @@ def _init(metadata, files = []):
transitive = files,
),
"metadata": metadata,
+ "purl": purl,
}
PackageMetadataInfo, _create = provider(
@@ -20,6 +22,7 @@ Provider for declaring metadata about a Bazel package.
> **Fields in this provider are not covered by the stability gurantee.**
""".strip(),
fields = {
+ "kind": """Type descriminator""",
"files": """
A [depset](https://bazel.build/rules/lib/builtins/depset) of
[File](https://bazel.build/rules/lib/builtins/File)s with metadata about the
@@ -29,6 +32,7 @@ package, including transitive files from all attributes of the package.
The [File](https://bazel.build/rules/lib/builtins/File) containing metadata
about the package.
""".strip(),
+ "purl": """PURL""",
},
init = _init,
)
diff --git a/metadata/rules/package_metadata.bzl b/metadata/rules/package_metadata.bzl
index ed1afee..42c8b92 100644
--- a/metadata/rules/package_metadata.bzl
+++ b/metadata/rules/package_metadata.bzl
@@ -29,6 +29,7 @@ def _package_metadata_impl(ctx):
),
PackageMetadataInfo(
metadata = metadata,
+ purl = ctx.attr.purl,
files = [a.files for a in attributes],
),
]