meta/lib/oe/sbom30.py: set alias for scan declared licenses

when using SPDX_INCLUDE_SOURCES, it calls scan_declared_licenses
to scan licenses from source file, set alias for the newly added
license and and license alias to hasDeclaredLicense relationship

$ echo 'MACHINE = "qemux86-64"' >> conf/local.conf
$ echo 'SPDX_INCLUDE_SOURCES = "1"' >> conf/local.conf
$ bitbake shadow
$ vim tmp/deploy/spdx/3.0.1/corei7-64/recipes/recipe-shadow.spdx.json
Before this commit
...
    {
      "type": "Relationship",
      ...
      "from": "http://spdx.org/spdxdocs/shadow-10e66933-65cf-5a2d-9a1d-99b12a405441/d0cdb0d02e54d55e52fccf8631f8290b161ad43fe31fffe09e8e25041d2280cf/sourcefile/11048",
      "relationshipType": "hasDeclaredLicense",
      "to": [
        "http://spdx.org/spdxdocs/shadow-10e66933-65cf-5a2d-9a1d-99b12a405441/d0cdb0d02e54d55e52fccf8631f8290b161ad43fe31fffe09e8e25041d2280cf/license/3_24_0/BSD-3-Clause",
      ]
    },
...

After this commit
...
    {
      "type": "Relationship",
      ...
      "from": "http://spdx.org/spdxdocs/shadow-10e66933-65cf-5a2d-9a1d-99b12a405441/d0cdb0d02e54d55e52fccf8631f8290b161ad43fe31fffe09e8e25041d2280cf/sourcefile/11048",
      "relationshipType": "hasDeclaredLicense",
      "to": [
        "http://spdxdocs.org/openembedded-alias/by-doc-hash/cc72db638e3f8e283e722af0ecc77d19f93cc6736700ee76477e3773b6b07b05/shadow/UNIHASH/license/3_24_0/BSD-3-Clause"
      ]
    },
...

(From OE-Core rev: 1f109e22dd22e6071685a8e55bdfe3069bc8fadb)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/meta/lib/oe/sbom30.py b/meta/lib/oe/sbom30.py
index 0004447066..7993e1fbef 100644
--- a/meta/lib/oe/sbom30.py
+++ b/meta/lib/oe/sbom30.py
@@ -589,12 +589,14 @@ class ObjectSet(oe.spdx30.SHACLObjectSet):
 
         file_licenses = set()
         for extracted_lic in oe.spdx_common.extract_licenses(filepath):
-            file_licenses.add(self.new_license_expression(extracted_lic, license_data))
+            lic = self.new_license_expression(extracted_lic, license_data)
+            self.set_element_alias(lic)
+            file_licenses.add(lic)
 
         self.new_relationship(
             [spdx_file],
             oe.spdx30.RelationshipType.hasDeclaredLicense,
-            file_licenses,
+            [oe.sbom30.get_element_link_id(lic_alias) for lic_alias in file_licenses],
         )
         spdx_file.extension.append(OELicenseScannedExtension())