rust_tools: remove virtual/rust maintenance from rust_uprev.py

This will soon be maintained by the SDK builder instead: b/333764881

BUG=b:333764881
TEST=repo upload

Cq-Depend: chromium:5448278, chromium:5448313
Change-Id: Iebc2aebee79d61a188cd030f4af41eb4583eaa8f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/5444020
Reviewed-by: Bob Haarman <inglorion@chromium.org>
Tested-by: George Burgess <gbiv@chromium.org>
Commit-Queue: George Burgess <gbiv@chromium.org>

2 files changed, 0 insertions, 84 deletions

diff --git a/rust_tools/rust_uprev.py b/rust_tools/rust_uprev.py
index 9845c7c7..c35699e8 100755
--- a/rust_tools/rust_uprev.py
+++ b/rust_tools/rust_uprev.py
@@ -694,19 +694,6 @@ def update_rust_packages(
         f.write(new_contents)
 
 
-def update_virtual_rust(
-    template_version: RustVersion, new_version: RustVersion
-) -> None:
-    template_ebuild = find_ebuild_path(
-        EBUILD_PREFIX.joinpath("virtual/rust"), "rust", template_version
-    )
-    virtual_rust_dir = template_ebuild.parent
-    new_name = f"rust-{new_version}.ebuild"
-    new_ebuild = virtual_rust_dir.joinpath(new_name)
-    shutil.copyfile(template_ebuild, new_ebuild)
-    subprocess.check_call(["git", "add", new_name], cwd=virtual_rust_dir)
-
-
 def unmerge_package_if_installed(pkgatom: str) -> None:
     """Unmerges a package if it is installed."""
     shpkg = shlex.quote(pkgatom)
@@ -865,10 +852,6 @@ def create_rust_uprev(
         "insert target version into rust packages",
         lambda: update_rust_packages("dev-lang/rust", rust_version, add=True),
     )
-    run_step(
-        "upgrade virtual/rust",
-        lambda: update_virtual_rust(template_version, rust_version),
-    )
 
 
 def find_rust_versions() -> List[Tuple[RustVersion, Path]]:
@@ -1003,13 +986,6 @@ def remove_rust_uprev(
             "dev-lang/rust-host", delete_version, add=False
         ),
     )
-    run_step("remove virtual/rust", lambda: remove_virtual_rust(delete_version))
-
-
-def remove_virtual_rust(delete_version: RustVersion) -> None:
-    remove_ebuild_version(
-        EBUILD_PREFIX.joinpath("virtual/rust"), "rust", delete_version
-    )
 
 
 def rust_bootstrap_path() -> Path:
diff --git a/rust_tools/rust_uprev_test.py b/rust_tools/rust_uprev_test.py
index a90f3d10..95156268 100755
--- a/rust_tools/rust_uprev_test.py
+++ b/rust_tools/rust_uprev_test.py
@@ -722,66 +722,6 @@ class RustUprevOtherStagesTests(unittest.TestCase):
             cwd=new_ebuild.parent,
         )
 
-    @mock.patch.object(subprocess, "check_call")
-    def test_remove_virtual_rust(self, mock_call):
-        with tempfile.TemporaryDirectory() as tmpdir:
-            ebuild_path = Path(
-                tmpdir, f"virtual/rust/rust-{self.old_version}.ebuild"
-            )
-            os.makedirs(ebuild_path.parent)
-            ebuild_path.touch()
-            with mock.patch("rust_uprev.EBUILD_PREFIX", Path(tmpdir)):
-                rust_uprev.remove_virtual_rust(self.old_version)
-                mock_call.assert_called_once_with(
-                    ["git", "rm", str(ebuild_path.name)], cwd=ebuild_path.parent
-                )
-
-    @mock.patch.object(subprocess, "check_call")
-    def test_remove_virtual_rust_with_symlink(self, mock_call):
-        with tempfile.TemporaryDirectory() as tmpdir:
-            ebuild_path = Path(
-                tmpdir, f"virtual/rust/rust-{self.old_version}.ebuild"
-            )
-            symlink_path = Path(
-                tmpdir, f"virtual/rust/rust-{self.old_version}-r14.ebuild"
-            )
-            os.makedirs(ebuild_path.parent)
-            ebuild_path.touch()
-            symlink_path.symlink_to(ebuild_path.name)
-            with mock.patch("rust_uprev.EBUILD_PREFIX", Path(tmpdir)):
-                rust_uprev.remove_virtual_rust(self.old_version)
-                mock_call.assert_has_calls(
-                    [
-                        mock.call(
-                            ["git", "rm", ebuild_path.name],
-                            cwd=ebuild_path.parent,
-                        ),
-                        mock.call(
-                            ["git", "rm", symlink_path.name],
-                            cwd=ebuild_path.parent,
-                        ),
-                    ],
-                    any_order=True,
-                )
-
-    @mock.patch.object(rust_uprev, "find_ebuild_path")
-    @mock.patch.object(shutil, "copyfile")
-    @mock.patch.object(subprocess, "check_call")
-    def test_update_virtual_rust(self, mock_call, mock_copy, mock_find_ebuild):
-        ebuild_path = Path(
-            f"/some/dir/virtual/rust/rust-{self.current_version}.ebuild"
-        )
-        mock_find_ebuild.return_value = Path(ebuild_path)
-        rust_uprev.update_virtual_rust(self.current_version, self.new_version)
-        mock_call.assert_called_once_with(
-            ["git", "add", f"rust-{self.new_version}.ebuild"],
-            cwd=ebuild_path.parent,
-        )
-        mock_copy.assert_called_once_with(
-            ebuild_path.parent.joinpath(f"rust-{self.current_version}.ebuild"),
-            ebuild_path.parent.joinpath(f"rust-{self.new_version}.ebuild"),
-        )
-
     @mock.patch("rust_uprev.find_rust_versions")
     def test_find_oldest_rust_version_pass(self, rust_versions):
         oldest_version_name = f"rust-{self.old_version}.ebuild"