From 1becbc277385d655a06d8f4c220f120feff05d49 Mon Sep 17 00:00:00 2001
From: "Michael B. Gale" <mbg@github.com>
Date: Mon, 19 Oct 2026 12:45:28 +0100
Subject: [PATCH] Accept paths containing only major version

Also fix unescaped dot patterns in regex
---
 lib/entry-points.js  |  2 +-
 src/platform.test.ts | 26 ++++++++++++++++++++++++++
 src/platform.ts      |  2 +-
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/lib/entry-points.js b/lib/entry-points.js
index 024343857..d1c485b48 100644
--- a/lib/entry-points.js
+++ b/lib/entry-points.js
@@ -175728,7 +175728,7 @@ function macOSVersion(action) {
 }
 var XCODE_SELECT_LINK_PATH = "/private/var/db/xcode_select_link";
 var XCODE_APP_FILENAME_PATTERN = new RegExp(
-  /(?<filename>Xcode_(?<majorMinor>\d+.\d+).app)/
+  /(?<filename>Xcode_(?<majorMinor>\d+(\.\d+)?)\.app)/
 );
 function xcodeVersion(logger2) {
   try {
diff --git a/src/platform.test.ts b/src/platform.test.ts
index 7ccb53da3..6688f66af 100644
--- a/src/platform.test.ts
+++ b/src/platform.test.ts
@@ -225,3 +225,29 @@ test.serial("xcodeVersion returns version from resolved path", (t) => {
   t.is(readlinkSync.callCount, 1);
   t.deepEqual(readlinkSync.args[0], [XCODE_SELECT_LINK_PATH]);
 });
+
+test.serial("xcodeVersion returns major version from resolved path", (t) => {
+  const logger = new RecordingLogger();
+
+  const lstatSync = sinon
+    .stub(fs, "lstatSync")
+    .returns({ isSymbolicLink: () => true } as fs.Stats);
+  const readlinkSync = sinon
+    .stub(fs, "readlinkSync")
+    .returns("/Applications/Xcode_16.app/Contents/Developer");
+
+  const result = xcodeVersion(logger);
+
+  if (t.truthy(result)) {
+    t.is(result.major, 16);
+    t.is(result.minor, 0);
+  }
+
+  t.is(lstatSync.callCount, 1);
+  t.deepEqual(lstatSync.args[0], [
+    XCODE_SELECT_LINK_PATH,
+    { throwIfNoEntry: false },
+  ]);
+  t.is(readlinkSync.callCount, 1);
+  t.deepEqual(readlinkSync.args[0], [XCODE_SELECT_LINK_PATH]);
+});
diff --git a/src/platform.ts b/src/platform.ts
index 01725c4cc..9492dff19 100644
--- a/src/platform.ts
+++ b/src/platform.ts
@@ -62,7 +62,7 @@ export const XCODE_SELECT_LINK_PATH = "/private/var/db/xcode_select_link";
 
 /** The pattern we expect to find in the Xcode path. */
 export const XCODE_APP_FILENAME_PATTERN = new RegExp(
-  /(?<filename>Xcode_(?<majorMinor>\d+.\d+).app)/,
+  /(?<filename>Xcode_(?<majorMinor>\d+(\.\d+)?)\.app)/,
 );
 
 /**