refactor!: allow the branch name in the schema of a repository to be null

src/macaron/database/table_definitions.py

@@ -273,7 +273,7 @@ class Repository(ORMBase):
     remote_path: Mapped[str] = mapped_column(String, nullable=False)
 
     #: The branch name.
-    branch_name: Mapped[str] = mapped_column(String, nullable=False)
+    branch_name: Mapped[str | None] = mapped_column(String, nullable=True)
 
     #: The release tag.
     release_tag: Mapped[str] = mapped_column(String, nullable=True)

src/macaron/slsa_analyzer/analyzer.py

@@ -308,15 +308,15 @@ def run_single(
             context=analyze_ctx,
         )
 
-    def add_repository(self, branch_name: str, git_obj: Git) -> Repository | None:
+    def add_repository(self, branch_name: str | None, git_obj: Git) -> Repository | None:
         """Create a repository instance for a target repository.
 
         The repository instances are transient objects for SQLAlchemy, which may be
         added to the database ultimately.
 
         Parameters
         ----------
-        branch_name : str
+        branch_name : str | None
             The name of the branch that we are analyzing.
             We need this because when the target repository is in a detached state,
             the current branch name cannot be determined.
@@ -342,7 +342,7 @@ def add_repository(self, branch_name: str, git_obj: Git) -> Repository | None:
 
         logger.info("The complete name of this repository is %s", complete_name)
 
-        res_branch = ""
+        res_branch = None
 
         if branch_name:
             res_branch = branch_name
@@ -353,9 +353,8 @@ def add_repository(self, branch_name: str, git_obj: Git) -> Repository | None:
                 # HEAD is a detached symbolic reference. This happens when we checkout a commit.
                 # However, it shouldn't happen as we don't allow specifying a commit digest without
                 # a branch in the config.
-                logger.critical("The HEAD of the repo does not point to any branch.")
-                logger.error(err)
-                res_branch = ""
+                logger.debug("The HEAD of the repo does not point to any branch: %s.", err)
+                res_branch = None
 
         # Get the head commit.
         # This is the commit that Macaron will run the analysis on.

src/macaron/slsa_analyzer/ci_service/base_ci_service.py

@@ -169,7 +169,7 @@ def has_kws_in_config(self, kws: list, repo_path: str) -> tuple[str, str]:
         return "", ""
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         """Get the latest run of a workflow in the repository.
 
@@ -180,7 +180,7 @@ def has_latest_run_passed(
         ----------
         repo_full_name : str
             The target repo's full name.
-        branch_name : str
+        branch_name : str | None
             The target branch.
         commit_sha : str
             The commit sha of the target repo.
@@ -297,7 +297,7 @@ def extract_all_bash(self, callgraph: CallGraph, macaron_path: str = "") -> Iter
         return []
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         """Get the latest run of a workflow in the repository.
 
@@ -308,7 +308,7 @@ def has_latest_run_passed(
         ----------
         repo_full_name : str
             The target repo's full name.
-        branch_name : str
+        branch_name : str | None
             The target branch.
         commit_sha : str
             The commit sha of the target repo.

src/macaron/slsa_analyzer/ci_service/circleci.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2022 - 2022, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2022 - 2023, Oracle and/or its affiliates. All rights reserved.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/.
 
 """This module analyze Circle CI."""
@@ -79,7 +79,7 @@ def extract_all_bash(self, callgraph: CallGraph, macaron_path: str = "") -> Iter
         return []
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         """Get the latest run of a workflow in the repository.
 
@@ -90,7 +90,7 @@ def has_latest_run_passed(
         ----------
         repo_full_name : str
             The target repo's full name.
-        branch_name : str
+        branch_name : str | None
             The target branch.
         commit_sha : str
             The commit sha of the target repo.

src/macaron/slsa_analyzer/ci_service/github_actions.py

@@ -294,7 +294,7 @@ def extract_all_bash(self, callgraph: CallGraph, macaron_path: str = "") -> Iter
                             )
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         """Check if the latest run of ``workflow`` on commit ``commit_sha`` is passing.
 
@@ -306,7 +306,7 @@ def has_latest_run_passed(
         ----------
         repo_full_name : str
             The target repo's full name.
-        branch_name : str
+        branch_name : str | None
             The target branch.
         commit_sha : str
             The commit sha of the target repo.
@@ -320,7 +320,7 @@ def has_latest_run_passed(
         str
             The URL for the passing workflow run, or empty if no passing GitHub Action build workflow is found.
         """
-        logger.info("Getting the latest workflow run of %s on commit %s", workflow, commit_sha)
+        logger.debug("Getting the latest workflow run of %s on commit %s", workflow, commit_sha)
 
         # Checking if the commit was created more than max_workflow_persist days ago.
         # We only avoid looking for workflow runs if only it's confirmed that the commit
@@ -365,20 +365,14 @@ def has_latest_run_passed(
             workflow_id,
             commit_sha,
             repo_full_name,
-            branch_name,
-            commit_date,
+            branch_name=branch_name,
+            created_after=commit_date,
         )
 
         if not latest_run_data:
             logger.info("Cannot find target workflow run with filtering.")
             logger.info("Perform the workflow runs search without any filtering instead.")
-            latest_run_data = self.search_for_workflow_run(
-                workflow_id,
-                commit_sha,
-                repo_full_name,
-                "",
-                "",
-            )
+            latest_run_data = self.search_for_workflow_run(workflow_id, commit_sha, repo_full_name)
 
         if not latest_run_data:
             logger.info("Cannot find target workflow run after trying both search methods.")
@@ -528,8 +522,8 @@ def search_for_workflow_run(
         workflow_id: str,
         commit_sha: str,
         full_name: str,
-        branch_name: str = "",
-        created_after: str = "",
+        branch_name: str | None = None,
+        created_after: str | None = None,
     ) -> dict:
         """Search for the target workflow run using GitHub API.
 
@@ -549,17 +543,17 @@ def search_for_workflow_run(
             The digest of the commit the workflow run on.
         full_name : str
             The full name of the repository (e.g. ``owner/repo``).
-        branch_name : str
+        branch_name : str | None
             The branch name to filter out workflow runs.
-        created_after : str
+        created_after : str | None
             Only look for workflow runs after this date (e.g. 2022-03-11T16:44:40Z).
 
         Returns
         -------
         dict
             The response data of the latest workflow run or an empty dict if error.
         """
-        logger.info(
+        logger.debug(
             "Search for workflow runs of %s with query params (branch=%s,created=%s)",
             workflow_id,
             branch_name,
@@ -568,7 +562,9 @@ def search_for_workflow_run(
 
         # Get the first page of runs for this workflow.
         query_page = 1
-        runs_data = self.api_client.get_workflow_runs(full_name, branch_name, created_after, query_page)
+        runs_data = self.api_client.get_workflow_runs(
+            full_name, branch_name=branch_name, created_after=created_after, page=query_page
+        )
 
         while runs_data and query_page <= self.query_page_threshold:
             logger.info(
@@ -589,7 +585,9 @@ def search_for_workflow_run(
 
                 # Query more items on the next result page of GitHub API.
                 query_page += 1
-                runs_data = self.api_client.get_workflow_runs(full_name, branch_name, created_after, query_page)
+                runs_data = self.api_client.get_workflow_runs(
+                    full_name, branch_name=branch_name, created_after=created_after, page=query_page
+                )
             except KeyError:
                 logger.error("Error while reading run data. Skipping ...")
                 continue

src/macaron/slsa_analyzer/ci_service/gitlab_ci.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2022 - 2022, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2022 - 2023, Oracle and/or its affiliates. All rights reserved.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/.
 
 """This module analyzes GitLab CI."""
@@ -79,7 +79,7 @@ def extract_all_bash(self, callgraph: CallGraph, macaron_path: str = "") -> Iter
         return []
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         """Get the latest run of a workflow in the repository.
 
@@ -90,7 +90,7 @@ def has_latest_run_passed(
         ----------
         repo_full_name : str
             The target repo's full name.
-        branch_name : str
+        branch_name : str | None
             The target branch.
         commit_sha : str
             The commit sha of the target repo.

src/macaron/slsa_analyzer/ci_service/jenkins.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2022 - 2022, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2022 - 2023, Oracle and/or its affiliates. All rights reserved.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/.
 
 """This module analyzes Jenkins CI."""
@@ -79,7 +79,7 @@ def extract_all_bash(self, callgraph: CallGraph, macaron_path: str = "") -> Iter
         return []
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         """Get the latest run of a workflow in the repository.
 
@@ -90,7 +90,7 @@ def has_latest_run_passed(
         ----------
         repo_full_name : str
             The target repo's full name.
-        branch_name : str
+        branch_name : str | None
             The target branch.
         commit_sha : str
             The commit sha of the target repo.

src/macaron/slsa_analyzer/ci_service/travis.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2022 - 2022, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2022 - 2023, Oracle and/or its affiliates. All rights reserved.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/.
 
 """This module analyzes Travis CI."""
@@ -79,7 +79,7 @@ def extract_all_bash(self, callgraph: CallGraph, macaron_path: str = "") -> Iter
         return []
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         """Get the latest run of a workflow in the repository.
 
@@ -90,7 +90,7 @@ def has_latest_run_passed(
         ----------
         repo_full_name : str
             The target repo's full name.
-        branch_name : str
+        branch_name : str | None
             The target branch.
         commit_sha : str
             The commit sha of the target repo.

src/macaron/slsa_analyzer/git_service/api_client.py

@@ -204,7 +204,9 @@ def get_repo_workflow_data(self, full_name: str, workflow_name: str) -> dict:
 
         return response_data
 
-    def get_workflow_runs(self, full_name: str, branch_name: str, created_after: str, page: int) -> dict:
+    def get_workflow_runs(
+        self, full_name: str, branch_name: str | None = None, created_after: str | None = None, page: int = 1
+    ) -> dict:
         """Query the GitHub REST API for the data of all workflow run of a repository.
 
         The url would be in the following form:
@@ -218,7 +220,7 @@ def get_workflow_runs(self, full_name: str, branch_name: str, created_after: str
         ----------
         full_name : str
             The full name of the target repo in the form ``owner/repo``.
-        branch_name : str
+        branch_name : str | None
             The name of the branch to look for workflow runs (e.g ``master``).
         created_after : str
             Only look for workflow runs after this date (e.g. ``2022-03-11T16:44:40Z``).

tests/conftest.py

@@ -232,7 +232,7 @@ class MockGitHubActions(GitHubActions):
     """Mock the GitHubActions class."""
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         return "run_feedback"
 

tests/slsa_analyzer/checks/test_build_service_check.py

@@ -26,7 +26,7 @@ class MockGitHubActions(GitHubActions):
     """Mock the GitHubActions class."""
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         return "run_feedback"
 

tests/slsa_analyzer/checks/test_provenance_available_check.py

@@ -26,7 +26,7 @@ class MockGitHubActions(GitHubActions):
     """Mock the GitHubActions class."""
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         return "run_feedback"
 

tests/slsa_analyzer/checks/test_provenance_l3_check.py

@@ -23,7 +23,7 @@ class MockGitHubActions(GitHubActions):
     """Mock the GitHubActions class."""
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         return "run_feedback"
 

tests/slsa_analyzer/checks/test_provenance_l3_content_check.py

@@ -26,7 +26,7 @@ class MockGitHubActions(GitHubActions):
     """Mock the GitHubActions class."""
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         return "run_feedback"
 

tests/slsa_analyzer/checks/test_trusted_builder_l3_check.py

@@ -20,7 +20,7 @@ class MockGitHubActions(GitHubActions):
     """Mock the GitHubActions class."""
 
     def has_latest_run_passed(
-        self, repo_full_name: str, branch_name: str, commit_sha: str, commit_date: str, workflow: str
+        self, repo_full_name: str, branch_name: str | None, commit_sha: str, commit_date: str, workflow: str
     ) -> str:
         return "run_feedback"