Revert "Build: use tag name for checkout (#10879)"

This reverts commit 42a82ca.

Author: stsewd

readthedocs/doc_builder/director.py

@@ -225,12 +225,7 @@ def checkout(self):
         log.info("Cloning and fetching.")
         self.vcs_repository.update()
 
-        # NOTE: we use `commit_name` instead of `identifier`,
-        # since identifier can be a ref name or a commit hash,
-        # and we want to use the ref name when doing the checkout when possible
-        # (e.g. `main` instead of `a1b2c3d4`, or `v1.0` instead of `a1b2c3d4`).
-        # See https://github.com/readthedocs/readthedocs.org/issues/10838.
-        identifier = self.data.build_commit or self.data.version.commit_name
+        identifier = self.data.build_commit or self.data.version.identifier
         log.info("Checking out.", identifier=identifier)
         self.vcs_repository.checkout(identifier)
 

readthedocs/projects/tests/test_build_tasks.py

@@ -11,7 +11,6 @@
     BUILD_STATUS_FAILURE,
     BUILD_STATUS_SUCCESS,
     EXTERNAL,
-    TAG,
 )
 from readthedocs.builds.models import Build
 from readthedocs.config import ALL, ConfigError
@@ -22,7 +21,6 @@
 from readthedocs.projects.models import EnvironmentVariable, Project, WebHookEvent
 from readthedocs.projects.tasks.builds import sync_repository_task, update_docs_task
 from readthedocs.telemetry.models import BuildData
-from readthedocs.vcs_support.backends.git import Backend
 
 from .mockers import BuildEnvironmentMocker
 
@@ -62,19 +60,17 @@ def _get_project(self):
         return fixture.get(
             Project,
             slug="project",
-            repo="https://github.com/readthedocs/readthedocs.org",
             enable_epub_build=True,
             enable_pdf_build=True,
         )
 
-    def _trigger_update_docs_task(self, **kwargs):
+    def _trigger_update_docs_task(self):
         # NOTE: is it possible to replace calling this directly by `trigger_build` instead? :)
-        kwargs.setdefault("build_api_key", "1234")
-        kwargs.setdefault("build_commit", self.build.commit)
         return update_docs_task.delay(
             self.version.pk,
             self.build.pk,
-            **kwargs,
+            build_api_key="1234",
+            build_commit=self.build.commit,
         )
 
 class TestCustomConfigFile(BuildEnvironmentBase):
@@ -694,72 +690,6 @@ def test_failed_build(
         assert revoke_key_request._request.method == "POST"
         assert revoke_key_request.path == "/api/v2/revoke/"
 
-    @mock.patch.object(Backend, "ref_exists")
-    @mock.patch("readthedocs.doc_builder.director.load_yaml_config")
-    def test_checkout_tag_by_name(self, load_yaml_config, ref_exists):
-        ref_exists.return_value = False
-        self.version.type = TAG
-        self.version.identifier = "abc123"
-        self.version.verbose_name = "v1.0"
-        self.version.slug = "v1.0"
-        self.machine = False
-        self.version.save()
-        load_yaml_config.return_value = get_build_config({})
-
-        self._trigger_update_docs_task(build_commit=None)
-
-        self.mocker.mocks["git.Backend.run"].assert_has_calls(
-            [
-                mock.call("git", "clone", "--depth", "1", mock.ANY, "."),
-                mock.call(
-                    "git",
-                    "fetch",
-                    "origin",
-                    "--force",
-                    "--prune",
-                    "--prune-tags",
-                    "--depth",
-                    "50",
-                    "refs/tags/v1.0:refs/tags/v1.0",
-                ),
-                mock.call("git", "checkout", "--force", "v1.0"),
-                mock.call("git", "clean", "-d", "-f", "-f"),
-            ]
-        )
-
-    @mock.patch.object(Backend, "ref_exists")
-    @mock.patch("readthedocs.doc_builder.director.load_yaml_config")
-    def test_checkout_external_version_by_commit(self, load_yaml_config, ref_exists):
-        ref_exists.return_value = False
-        self.version.type = EXTERNAL
-        self.version.identifier = "abc123"
-        self.version.verbose_name = "22"
-        self.version.slug = "22"
-        self.machine = False
-        self.version.save()
-        load_yaml_config.return_value = get_build_config({})
-
-        self._trigger_update_docs_task(build_commit=None)
-
-        self.mocker.mocks["git.Backend.run"].assert_has_calls(
-            [
-                mock.call("git", "clone", "--depth", "1", mock.ANY, "."),
-                mock.call(
-                    "git",
-                    "fetch",
-                    "origin",
-                    "--force",
-                    "--prune",
-                    "--prune-tags",
-                    "--depth",
-                    "50",
-                    "pull/22/head:external-22",
-                ),
-                mock.call("git", "checkout", "--force", "abc123"),
-                mock.call("git", "clean", "-d", "-f", "-f"),
-            ]
-        )
-
     @mock.patch("readthedocs.doc_builder.director.load_yaml_config")
     def test_build_commands_executed(
         self,