Extract the MacOS/XCode env rewrite logic into lib.exec.apple

Also add an interface to allow injecting that logic into LocalSpawnRunner; this
is in preparation for rewriting StandaloneSpawnStrategy to use
LocalSpawnRunner.

At the same time, this reduces the dependencies from exec / standalone to
rules.apple, which is a prerequisite for micro-Bazel.

There's a small semantic change hidden here - we now only set the new
XCodeLocalEnvProvider if we're actually running on Darwin, so we no longer
fail execution on non-Darwin platforms if XCODE_VERSION_OVERRIDE or
APPLE_SDK_VERSION_OVERRIDE is set. As a result, I moved the corresponding test
from StandaloneSpawnStrategyTest to the new XCodeLocalEnvProviderTest.

While I'm at it, also open source DottedVersionTest and CacheManagerTest.

PiperOrigin-RevId: 158829077

1 files changed, 24 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/exec/apple/BUILD b/src/main/java/com/google/devtools/build/lib/exec/apple/BUILD
new file mode 100644
index 0000000000..c7c19dc84e
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/exec/apple/BUILD
@@ -0,0 +1,24 @@
+package(
+    default_visibility = ["//src:__subpackages__"],
+)
+
+java_library(
+    name = "apple",
+    srcs = glob(["*.java"]),
+    deps = [
+        "//src/main/java/com/google/devtools/build/lib:build-base",
+        "//src/main/java/com/google/devtools/build/lib:packages-internal",
+        "//src/main/java/com/google/devtools/build/lib:shell",
+        "//src/main/java/com/google/devtools/build/lib:util",
+        "//src/main/java/com/google/devtools/build/lib:vfs",
+        "//src/main/java/com/google/devtools/build/lib/exec/local",
+        "//src/main/java/com/google/devtools/build/lib/rules/apple",
+        "//third_party:guava",
+    ],
+)
+
+filegroup(
+    name = "srcs",
+    testonly = 0,  # All srcs should be not test only, overwrite package default.
+    srcs = glob(["**"]),
+)