Add Profile Override for Non-Git Sources

src/bootstrap/bootstrap.py

@@ -186,9 +186,9 @@ def verify(path, expected, verbose):
     verified = found == expected
     if not verified:
         eprint(
-            "invalid checksum:\n" "    found:    {}\n" "    expected: {}".format(
-                found, expected
-            )
+            "invalid checksum:\n"
+            "    found:    {}\n"
+            "    expected: {}".format(found, expected)
         )
     return verified
 
@@ -1268,6 +1268,12 @@ def bootstrap(args):
         config_toml = ""
 
     profile = RustBuild.get_toml_static(config_toml, "profile")
+    is_non_git_source = not os.path.exists(os.path.join(rust_root, ".git"))
+
+    if profile is None:
+        if is_non_git_source:
+            profile = "dist"
+
     if profile is not None:
         # Allows creating alias for profile names, allowing
         # profiles to be renamed while maintaining back compatibility
@@ -1288,6 +1294,13 @@ def bootstrap(args):
         with open(include_path) as included_toml:
             config_toml += os.linesep + included_toml.read()
 
+    if is_non_git_source:
+        for option in ["download-ci-llvm", "download-rustc"]:
+            if RustBuild.get_toml_static(config_toml, option):
+                raise Exception(
+                    "Option '{}' cannot be used with non-git sources.".format(option)
+                )
+
     # Configure initial bootstrap
     build = RustBuild(config_toml, args)
     build.check_vendored_status()

src/bootstrap/bootstrap_test.py

@@ -5,7 +5,7 @@
 from __future__ import absolute_import, division, print_function
 import os
 import unittest
-from unittest.mock import patch
+from unittest.mock import patch, mock_open
 import tempfile
 import hashlib
 import sys
@@ -249,3 +249,103 @@ def test_warnings(self):
 
             _, env = self.build_args(configure_args, args=["--warnings=deny"])
             self.assertTrue("-Dwarnings" in env["RUSTFLAGS"])
+
+
+class TestRustBuild(unittest.TestCase):
+
+    @patch("os.path.exists")
+    @patch("bootstrap.RustBuild.get_toml_static")
+    def test_profile_none_with_non_git_source(self, mock_get_toml_static, mock_exists):
+        mock_exists.return_value = False
+        mock_get_toml_static.return_value = None
+
+        rust_root = "/mock/rust_root"
+        config_toml = ""
+
+        profile = bootstrap.RustBuild.get_toml_static(config_toml, "profile")
+
+        is_non_git_source = not os.path.exists(os.path.join(rust_root, ".git"))
+        if profile is None and is_non_git_source:
+            profile = "dist"
+
+        self.assertEqual(profile, "dist")
+
+    @patch("os.path.exists")
+    @patch("bootstrap.RustBuild.get_toml_static")
+    def test_include_path_exists(self, mock_get_toml_static, mock_exists):
+        mock_exists.return_value = True
+        mock_get_toml_static.return_value = "dist"
+
+        rust_root = "/mock/rust_root"
+        config_toml = "mock_config"
+
+        profile = bootstrap.RustBuild.get_toml_static(config_toml, "profile")
+
+        profile_aliases = {"user": "dist"}
+        include_file = f"config.{profile_aliases.get(profile) or profile}.toml"
+        include_dir = os.path.join(rust_root, "src", "bootstrap", "defaults")
+        include_path = os.path.join(include_dir, include_file)
+
+        # Assert the include_path is correctly formed
+        self.assertEqual(
+            include_path, "/mock/rust_root/src/bootstrap/defaults/config.dist.toml"
+        )
+
+    @patch("os.path.exists")
+    @patch("bootstrap.RustBuild.get_toml_static")
+    @patch("builtins.open", new_callable=mock_open)
+    def test_config_toml_inclusion(self, mock_open, mock_get_toml_static, mock_exists):
+        mock_exists.side_effect = (
+            lambda path: path
+            == "/mock/rust_root/src/bootstrap/defaults/config.dist.toml"
+        )
+        mock_get_toml_static.return_value = "dist"
+        mock_open.return_value.read.return_value = "included_toml_content"
+
+        rust_root = "/mock/rust_root"
+        config_toml = "initial_config"
+
+        profile = bootstrap.RustBuild.get_toml_static(config_toml, "profile")
+
+        profile_aliases = {"user": "dist"}
+        include_file = f"config.{profile_aliases.get(profile) or profile}.toml"
+        include_dir = os.path.join(rust_root, "src", "bootstrap", "defaults")
+        include_path = os.path.join(include_dir, include_file)
+
+        with open(include_path) as included_toml:
+            config_toml += os.linesep + included_toml.read()
+
+        self.assertIn("initial_config\nincluded_toml_content", config_toml)
+
+    @patch("os.path.exists")
+    @patch("bootstrap.RustBuild.get_toml_static")
+    def test_invalid_profile_for_non_git_source(
+        self, mock_get_toml_static, mock_exists
+    ):
+        mock_exists.return_value = False
+
+        def mock_get_toml_static_side_effect(config_toml, option):
+            if option in ["download-ci-llvm", "download-rustc"]:
+                return "true"
+            return None
+
+        mock_get_toml_static.side_effect = mock_get_toml_static_side_effect
+
+        rust_root = "/mock/rust_root"
+        config_toml = ""
+
+        profile = bootstrap.RustBuild.get_toml_static(config_toml, "profile")
+        is_non_git_source = not os.path.exists(os.path.join(rust_root, ".git"))
+        if profile is None and is_non_git_source:
+            profile = "dist"
+
+        for option in ["download-ci-llvm", "download-rustc"]:
+            if bootstrap.RustBuild.get_toml_static(config_toml, option):
+                with self.assertRaises(Exception) as context:
+                    raise Exception(
+                        f"Option '{option}' cannot be used with non-git sources."
+                    )
+                self.assertTrue(
+                    f"Option '{option}' cannot be used with non-git sources."
+                    in str(context.exception)
+                )