From ae6cb5e33488f3e3b6de5cd2680273d30209d4db Mon Sep 17 00:00:00 2001
From: Ronny Pfannschmidt <opensource@ronnypfannschmidt.de>
Date: Sun, 26 Jun 2022 23:38:00 +0200
Subject: [PATCH] fix #727: correctly handle incomplete archivals from
 setuptools_scm_git_archival

---
 CHANGELOG.rst             | 6 ++++++
 src/setuptools_scm/git.py | 9 +++++++--
 testing/test_git.py       | 8 ++++++++
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 4c9bd248..f1405232 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,9 @@
+v7.0.4
+=======
+
+* fix #727: correctly handle incomplete archivals from setuptools_scm_git_archival
+* fix #691: correctly handle specifying root in pyproject.toml
+
 v7.0.3
 =======
 * fix mercurial usage when pip primes a isolated environment
diff --git a/src/setuptools_scm/git.py b/src/setuptools_scm/git.py
index 47e2a9e8..1aee95a1 100644
--- a/src/setuptools_scm/git.py
+++ b/src/setuptools_scm/git.py
@@ -276,7 +276,8 @@ def search_parent(dirname: _t.PathT) -> GitWorkdir | None:
 
 def archival_to_version(
     data: dict[str, str], config: Configuration | None = None
-) -> ScmVersion:
+) -> ScmVersion | None:
+    node: str | None
     trace("data", data)
     archival_describe = data.get("describe-name", DESCRIBE_UNSUPPORTED)
     if DESCRIBE_UNSUPPORTED in archival_describe:
@@ -293,7 +294,11 @@ def archival_to_version(
     if versions:
         return meta(versions[0], config=config)
     else:
-        return meta("0.0", node=data.get("node"), config=config)
+        node = data.get("node")
+        if node is not None:
+            return meta("0.0", node=node, config=config)
+        else:
+            return None
 
 
 def parse_archival(
diff --git a/testing/test_git.py b/testing/test_git.py
index 6663527f..674d9042 100644
--- a/testing/test_git.py
+++ b/testing/test_git.py
@@ -529,9 +529,17 @@ def test_git_getdate_signed_commit(signed_commit_wd: WorkDir) -> None:
 def test_git_archival_to_version(expected: str, from_data: dict[str, str]) -> None:
     config = Configuration()
     version = archival_to_version(from_data, config=config)
+    assert version is not None
     assert (
         format_version(
             version, version_scheme="guess-next-dev", local_scheme="node-and-date"
         )
         == expected
     )
+
+
+@pytest.mark.issue("https://github.com/pypa/setuptools_scm/issues/727")
+def test_git_archival_node_missing_no_version() -> None:
+    config = Configuration()
+    version = archival_to_version({}, config=config)
+    assert version is None