From 1fc9aacd981dfb65a1e2718e30ddfe6c5636e122 Mon Sep 17 00:00:00 2001
From: mtkennerly <mtkennerly@gmail.com>
Date: Tue, 8 Mar 2022 22:45:36 -0500
Subject: [PATCH] #62: Add VCS bypass option

---
 CHANGELOG.md                            |  4 ++++
 poetry_dynamic_versioning/__init__.py   | 15 ++++++++++-----
 tests/integration.sh                    |  5 +++++
 tests/test_poetry_dynamic_versioning.py | 13 ++++---------
 4 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7760a5f..454e0db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
   * The default list of `substitution.patterns` now handles `__version__`
     when it has a type annotation.
     ([Draft by da2ce7](https://github.com/mtkennerly/poetry-dynamic-versioning/pull/64))
+* Added:
+  * Option to bypass the version control system and set a hard-coded version
+    in an environment variable called `POETRY_DYNAMIC_VERSIONING_BYPASS`.
+    ([Draft by jonringer](https://github.com/mtkennerly/poetry-dynamic-versioning/pull/69))
 
 ## v0.13.1 (2021-08-09)
 
diff --git a/poetry_dynamic_versioning/__init__.py b/poetry_dynamic_versioning/__init__.py
index 5ba96ad..ebab064 100644
--- a/poetry_dynamic_versioning/__init__.py
+++ b/poetry_dynamic_versioning/__init__.py
@@ -8,7 +8,7 @@
 import re
 from importlib import import_module
 from pathlib import Path
-from typing import Any, Mapping, MutableMapping, Optional, Sequence, Tuple
+from typing import Any, Mapping, MutableMapping, Optional, Sequence
 
 import tomlkit
 
@@ -22,6 +22,7 @@
 # This is a placeholder for type hint docs since the actual type can't be
 # imported yet.
 _DUNAMAI_VERSION_ANY = Any
+_BYPASS_ENV = "POETRY_DYNAMIC_VERSIONING_BYPASS"
 
 
 class _ProjectState:
@@ -29,7 +30,7 @@ def __init__(
         self,
         path: Path = None,
         original_version: str = None,
-        version: Tuple[_DUNAMAI_VERSION_ANY, str] = None,
+        version: str = None,
         substitutions: MutableMapping[Path, str] = None,
     ) -> None:
         self.path = path
@@ -155,7 +156,11 @@ def _bump_version_per_config(version: _DUNAMAI_VERSION_ANY, bump: bool) -> _DUNA
     return version
 
 
-def _get_version(config: Mapping) -> Tuple[_DUNAMAI_VERSION_ANY, str]:
+def _get_version(config: Mapping) -> str:
+    bypass = os.environ.get(_BYPASS_ENV)
+    if bypass is not None:
+        return bypass
+
     import jinja2
     from dunamai import (
         bump_version,
@@ -217,7 +222,7 @@ def _get_version(config: Mapping) -> Tuple[_DUNAMAI_VERSION_ANY, str]:
             tagged_metadata=config["tagged-metadata"],
         )
 
-    return (version, serialized)
+    return serialized
 
 
 def _substitute_version(
@@ -361,7 +366,7 @@ def alt_poetry_create(cls, *args, **kwargs):
                 finally:
                     os.chdir(str(current_dir))
 
-            dynamic_version = _state.project(name).version[1]
+            dynamic_version = _state.project(name).version
             if first_time:
                 if not _state.project(name).original_version:
                     _state.project(name).original_version = pyproject["tool"]["poetry"]["version"]
diff --git a/tests/integration.sh b/tests/integration.sh
index 5cc21d5..d2c5b84 100755
--- a/tests/integration.sh
+++ b/tests/integration.sh
@@ -98,6 +98,11 @@ function test_bumping_enabled {
     ls $dummy/dist | should_fail grep .post
 }
 
+function test_bypass {
+    POETRY_DYNAMIC_VERSIONING_BYPASS=1.2.3 $do_poetry build -v && \
+    ls $dummy/dist | grep 1.2.3
+}
+
 function run_test {
     cd $dummy
     git checkout -- $dummy
diff --git a/tests/test_poetry_dynamic_versioning.py b/tests/test_poetry_dynamic_versioning.py
index 89c5b74..73f798d 100644
--- a/tests/test_poetry_dynamic_versioning.py
+++ b/tests/test_poetry_dynamic_versioning.py
@@ -47,9 +47,7 @@ def test__get_config__with_plugin_customizations():
 
 
 def test__get_version__defaults(config):
-    v, s = plugin._get_version(config)
-    assert v == Version.from_git()
-    assert s == Version.from_git().serialize()
+    assert plugin._get_version(config) == Version.from_git().serialize()
 
 
 def test__get_version__invalid_vcs(config):
@@ -67,8 +65,7 @@ def test__get_version__invalid_style(config):
 def test__get_version__format_jinja(config):
     os.environ["FOO"] = "foo"
     config["format-jinja"] = "{% if true %}v1+{{ env['FOO'] }}{% endif %}"
-    _, v = plugin._get_version(config)
-    assert v == "v1+foo"
+    assert plugin._get_version(config) == "v1+foo"
 
 
 def test__get_version__format_jinja_with_enforced_style(config):
@@ -81,15 +78,13 @@ def test__get_version__format_jinja_with_enforced_style(config):
 def test__get_version__format_jinja_imports_with_module_only(config):
     config["format-jinja"] = "{{ math.pow(2, 2) }}"
     config["format-jinja-imports"] = [{"module": "math"}]
-    _, v = plugin._get_version(config)
-    assert v == "4.0"
+    assert plugin._get_version(config) == "4.0"
 
 
 def test__get_version__format_jinja_imports_with_module_and_item(config):
     config["format-jinja"] = "{{ pow(2, 3) }}"
     config["format-jinja-imports"] = [{"module": "math", "item": "pow"}]
-    _, v = plugin._get_version(config)
-    assert v == "8.0"
+    assert plugin._get_version(config) == "8.0"
 
 
 def test__bump_version_per_config__bumping_disabled():