From baf3ead650ea2750e0df6a7b5919088483dc6665 Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauldmccarthy@gmail.com>
Date: Tue, 19 Apr 2022 16:00:12 +0100
Subject: [PATCH] style: exit early to reduce indentation

---
 cibuildwheel/macos.py   | 30 ++++++++++++++++--------------
 cibuildwheel/windows.py | 24 +++++++++++++-----------
 2 files changed, 29 insertions(+), 25 deletions(-)

diff --git a/cibuildwheel/macos.py b/cibuildwheel/macos.py
index 71eea5e7..de6ee7ae 100644
--- a/cibuildwheel/macos.py
+++ b/cibuildwheel/macos.py
@@ -275,21 +275,23 @@ def build(options: Options, tmp_path: Path) -> None:
         options.globals.build_selector, options.globals.architectures
     )
 
-    try:
-        if len(python_configurations) > 0:
-            before_all_options_identifier = python_configurations[0].identifier
-            before_all_options = options.build_options(before_all_options_identifier)
+    if len(python_configurations) == 0:
+        return
 
-            if before_all_options.before_all:
-                log.step("Running before_all...")
-                env = before_all_options.environment.as_dictionary(prev_environment=os.environ)
-                env.setdefault("MACOSX_DEPLOYMENT_TARGET", "10.9")
-                before_all_prepared = prepare_command(
-                    before_all_options.before_all,
-                    project=".",
-                    package=before_all_options.package_dir,
-                )
-                shell(before_all_prepared, env=env)
+    try:
+        before_all_options_identifier = python_configurations[0].identifier
+        before_all_options = options.build_options(before_all_options_identifier)
+
+        if before_all_options.before_all:
+            log.step("Running before_all...")
+            env = before_all_options.environment.as_dictionary(prev_environment=os.environ)
+            env.setdefault("MACOSX_DEPLOYMENT_TARGET", "10.9")
+            before_all_prepared = prepare_command(
+                before_all_options.before_all,
+                project=".",
+                package=before_all_options.package_dir,
+            )
+            shell(before_all_prepared, env=env)
 
         for config in python_configurations:
             build_options = options.build_options(config.identifier)
diff --git a/cibuildwheel/windows.py b/cibuildwheel/windows.py
index 874445fa..13b5c0c3 100644
--- a/cibuildwheel/windows.py
+++ b/cibuildwheel/windows.py
@@ -234,18 +234,20 @@ def build(options: Options, tmp_path: Path) -> None:
         options.globals.build_selector, options.globals.architectures
     )
 
-    try:
-        if len(python_configurations) > 0:
-            before_all_options_identifier = python_configurations[0].identifier
-            before_all_options = options.build_options(before_all_options_identifier)
+    if len(python_configurations) == 0:
+        return
 
-            if before_all_options.before_all:
-                log.step("Running before_all...")
-                env = before_all_options.environment.as_dictionary(prev_environment=os.environ)
-                before_all_prepared = prepare_command(
-                    before_all_options.before_all, project=".", package=options.globals.package_dir
-                )
-                shell(before_all_prepared, env=env)
+    try:
+        before_all_options_identifier = python_configurations[0].identifier
+        before_all_options = options.build_options(before_all_options_identifier)
+
+        if before_all_options.before_all:
+            log.step("Running before_all...")
+            env = before_all_options.environment.as_dictionary(prev_environment=os.environ)
+            before_all_prepared = prepare_command(
+                before_all_options.before_all, project=".", package=options.globals.package_dir
+            )
+            shell(before_all_prepared, env=env)
 
         for config in python_configurations:
             build_options = options.build_options(config.identifier)