Add support to purl2url for git.kernel.org, android.googlesource.com, sourceforge.net

Signed-off-by: ziad hany <ziadhany2016@gmail.com>

Author: ziadhany

src/packageurl/contrib/purl2url.py

@@ -172,6 +172,23 @@ def build_gitlab_repo_url(purl):
         return f"https://gitlab.com/{namespace}/{name}"
 
 
+@repo_router.route("pkg:generic/.*")
+def build_generic_repo_url(purl):
+    """
+    Return a Generic repo URL from the `purl` string.
+    """
+    purl_data = PackageURL.from_string(purl)
+    name = purl_data.name
+    namespace = purl_data.namespace
+    version = purl_data.version
+    if namespace.startswith("git.kernel.org"):
+        return f"https://{namespace}/{name}/commit/?id={version}"
+    if namespace.startswith("android.googlesource.com"):
+        return f"https://{namespace}/{name}/+/{version}"
+    if namespace.startswith("sourceforge.net"):
+        return f"https://{namespace}/{name}/ci/{version}"
+
+
 @repo_router.route("pkg:(gem|rubygems)/.*")
 def build_rubygems_repo_url(purl):
     """

tests/contrib/test_purl2url.py

@@ -70,6 +70,10 @@ def test_purl2url_get_repo_url():
         "pkg:cocoapods/MapsIndoors@3.24.0": "https://cocoapods.org/pods/MapsIndoors",
         "pkg:maven/org.apache.commons/commons-io@1.3.2": "https://repo.maven.apache.org/maven2/org/apache/commons/commons-io/1.3.2",
         "pkg:maven/org.apache.commons/commons-io@1.3.2?repository_url=https://repo1.maven.org/maven2": "https://repo1.maven.org/maven2/org/apache/commons/commons-io/1.3.2",
+        "pkg:generic/git.kernel.org/pub/scm/libs/liba2i/liba2i.git@4fc8196d7811c26abefaf3a3ae6b5c67c4c9cbc9": "https://git.kernel.org/pub/scm/libs/liba2i/liba2i.git/commit/?id=4fc8196d7811c26abefaf3a3ae6b5c67c4c9cbc9",
+        "pkg:generic/git.kernel.org/pub/scm/linux/kernel/git/a.hindborg/configfs.git@bc3372351d0c8b2726b7d4229b878342e3e6b0e8": "https://git.kernel.org/pub/scm/linux/kernel/git/a.hindborg/configfs.git/commit/?id=bc3372351d0c8b2726b7d4229b878342e3e6b0e8",
+        "pkg:generic/android.googlesource.com/accessories/manifest@9ad7ef740dc39834a88bf95c69f35f18b8f45543": "https://android.googlesource.com/accessories/manifest/+/9ad7ef740dc39834a88bf95c69f35f18b8f45543",
+        "pkg:generic/sourceforge.net/p/infrarecorder/code@8fab704119ff23691f075f6a281521b6c7d7e55f": "https://sourceforge.net/p/infrarecorder/code/ci/8fab704119ff23691f075f6a281521b6c7d7e55f",
     }
 
     for purl, url in purls_url.items():