Roll GN to 239533d

This caused gn format to flag many things which were also fixed.

Change-Id: Ie1d9081a1b08047bec52c60f54d2a94366be1ba6
diff --git a/docs/BUILD.gn b/docs/BUILD.gn
index ea7f494f..8d5b7c8 100644
--- a/docs/BUILD.gn
+++ b/docs/BUILD.gn
@@ -23,9 +23,7 @@
 
 # Documentation for upstream Pigweed targets.
 group("target_docs") {
-  deps = [
-    "$dir_pigweed/targets/stm32f429i-disc1:target_docs",
-  ]
+  deps = [ "$dir_pigweed/targets/stm32f429i-disc1:target_docs" ]
 }
 
 pw_doc_gen("docs") {
diff --git a/pw_assert/BUILD.gn b/pw_assert/BUILD.gn
index 2e60199..ab55707 100644
--- a/pw_assert/BUILD.gn
+++ b/pw_assert/BUILD.gn
@@ -23,12 +23,8 @@
 pw_facade("pw_assert") {
   backend = dir_pw_assert_backend
   public_configs = [ ":default_config" ]
-  public = [
-    "public/pw_assert/assert.h",
-  ]
-  public_deps = [
-    dir_pw_preprocessor,
-  ]
+  public = [ "public/pw_assert/assert.h" ]
+  public_deps = [ dir_pw_preprocessor ]
 }
 
 pw_test_group("tests") {
@@ -53,7 +49,5 @@
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_assert_basic/BUILD.gn b/pw_assert_basic/BUILD.gn
index f9f77e0..dab7606 100644
--- a/pw_assert_basic/BUILD.gn
+++ b/pw_assert_basic/BUILD.gn
@@ -26,12 +26,8 @@
       ":backend_config",
       ":default_config",
     ]
-    deps = [
-      ":core",
-    ]
-    public = [
-      "public_overrides/pw_assert_backend/assert_backend.h",
-    ]
+    deps = [ ":core" ]
+    public = [ "public_overrides/pw_assert_backend/assert_backend.h" ]
     sources = public
   }
 }
@@ -44,8 +40,6 @@
     "$dir_pw_preprocessor",
     "$dir_pw_string",
   ]
-  public = [
-    "public/pw_assert_basic/assert_basic.h",
-  ]
+  public = [ "public/pw_assert_basic/assert_basic.h" ]
   sources = public + [ "assert_basic.cc" ]
 }
diff --git a/pw_base64/BUILD.gn b/pw_base64/BUILD.gn
index e69421d..eec8d31 100644
--- a/pw_base64/BUILD.gn
+++ b/pw_base64/BUILD.gn
@@ -20,16 +20,10 @@
 
 source_set("pw_base64") {
   public_configs = [ ":default_config" ]
-  public = [
-    "public/pw_base64/base64.h",
-  ]
-  sources = [
-    "base64.cc",
-  ]
+  public = [ "public/pw_base64/base64.h" ]
+  sources = [ "base64.cc" ]
   sources += public
-  public_deps = [
-    "$dir_pw_span",
-  ]
+  public_deps = [ "$dir_pw_span" ]
 }
 
 pw_test_group("tests") {
@@ -38,9 +32,7 @@
 }
 
 pw_test("base64_test") {
-  deps = [
-    ":pw_base64",
-  ]
+  deps = [ ":pw_base64" ]
   sources = [
     "base64_test.c",
     "base64_test.cc",
diff --git a/pw_bloat/BUILD.gn b/pw_bloat/BUILD.gn
index c98f611..9a15a9c 100644
--- a/pw_bloat/BUILD.gn
+++ b/pw_bloat/BUILD.gn
@@ -24,9 +24,7 @@
 # from showing up within bloat diff reports.
 source_set("bloat_this_binary") {
   public_configs = [ ":default_config" ]
-  public = [
-    "public/pw_bloat/bloat_this_binary.h",
-  ]
+  public = [ "public/pw_bloat/bloat_this_binary.h" ]
   sources = [ "bloat_this_binary.cc" ] + public
 }
 
@@ -36,11 +34,9 @@
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
   report_deps = [
-    "examples:simple_bloat_loop",
     "examples:simple_bloat_function",
+    "examples:simple_bloat_loop",
   ]
 }
diff --git a/pw_bloat/bloat.gni b/pw_bloat/bloat.gni
index d711598..87c1cc8 100644
--- a/pw_bloat/bloat.gni
+++ b/pw_bloat/bloat.gni
@@ -280,9 +280,7 @@
       }
       script = "$dir_pw_bloat/py/no_toolchains.py"
       args = [ _doc_rst_output ]
-      outputs = [
-        _doc_rst_output,
-      ]
+      outputs = [ _doc_rst_output ]
     }
   }
 }
@@ -291,10 +289,6 @@
 # main() function that loads the bloat_this_binary library and does nothing
 # else.
 pw_bloat_empty_base = {
-  deps = [
-    "$dir_pw_bloat:bloat_this_binary",
-  ]
-  sources = [
-    "$dir_pw_bloat/base_main.cc",
-  ]
+  deps = [ "$dir_pw_bloat:bloat_this_binary" ]
+  sources = [ "$dir_pw_bloat/base_main.cc" ]
 }
diff --git a/pw_bloat/examples/BUILD.gn b/pw_bloat/examples/BUILD.gn
index eece116..4b289ec 100644
--- a/pw_bloat/examples/BUILD.gn
+++ b/pw_bloat/examples/BUILD.gn
@@ -16,26 +16,18 @@
 
 pw_toolchain_size_report("simple_bloat_loop") {
   base_executable = {
-    sources = [
-      "simple_base.cc",
-    ]
+    sources = [ "simple_base.cc" ]
   }
   diff_executable = {
-    sources = [
-      "simple_loop.cc",
-    ]
+    sources = [ "simple_loop.cc" ]
   }
 }
 
 pw_toolchain_size_report("simple_bloat_function") {
   base_executable = {
-    sources = [
-      "simple_base.cc",
-    ]
+    sources = [ "simple_base.cc" ]
   }
   diff_executable = {
-    sources = [
-      "simple_function.cc",
-    ]
+    sources = [ "simple_function.cc" ]
   }
 }
diff --git a/pw_boot_armv7m/BUILD.gn b/pw_boot_armv7m/BUILD.gn
index 6376d58..f72ed77 100644
--- a/pw_boot_armv7m/BUILD.gn
+++ b/pw_boot_armv7m/BUILD.gn
@@ -34,15 +34,11 @@
       ":armv7m_linker_script",
       "$dir_pw_preprocessor",
     ]
-    public = [
-      "public/pw_boot_armv7m/boot.h",
-    ]
+    public = [ "public/pw_boot_armv7m/boot.h" ]
     sources = [ "core_init.c" ] + public
   }
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_build/BUILD.gn b/pw_build/BUILD.gn
index a32e49c..343a14c 100644
--- a/pw_build/BUILD.gn
+++ b/pw_build/BUILD.gn
@@ -70,9 +70,7 @@
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
 
 # Pool to limit a single thread to download external Go packages at a time.
diff --git a/pw_build/go.gni b/pw_build/go.gni
index b0433b6..bc1efe3 100644
--- a/pw_build/go.gni
+++ b/pw_build/go.gni
@@ -100,9 +100,7 @@
   generated_file(_metadata_target_name) {
     deps = invoker.deps
     data_keys = [ "gopath" ]
-    outputs = [
-      _metadata_file,
-    ]
+    outputs = [ _metadata_file ]
   }
 
   # Collect all of the external dependencies of the executable and its packages.
@@ -111,9 +109,7 @@
   generated_file(_deps_metadata_target_name) {
     deps = invoker.deps
     data_keys = [ "external_deps" ]
-    outputs = [
-      _deps_metadata_file,
-    ]
+    outputs = [ _deps_metadata_file ]
   }
 
   _default_gopath = rebase_path("$root_gen_dir/go")
diff --git a/pw_build/linker_script.gni b/pw_build/linker_script.gni
index 8c711ea..7c5abf2 100644
--- a/pw_build/linker_script.gni
+++ b/pw_build/linker_script.gni
@@ -64,9 +64,7 @@
   # linker script.
   pw_exec("${target_name}_preprocess") {
     program = pw_cc_command
-    inputs = [
-      invoker.linker_script,
-    ]
+    inputs = [ invoker.linker_script ]
     args = [
       # Run compiler in preprocessor-only mode.
       "-E",
@@ -98,17 +96,13 @@
       "-o",
       _final_linker_script,
     ]
-    outputs = [
-      _final_linker_script,
-    ]
+    outputs = [ _final_linker_script ]
   }
 
   # This config adds a the linker script produced by the preprocess action to
   # the linker flags.
   config("${target_name}_config") {
-    inputs = [
-      invoker.linker_script,
-    ]
+    inputs = [ invoker.linker_script ]
     if (!defined(invoker.ldflags)) {
       ldflags = []
     }
@@ -118,15 +112,11 @@
   # The target that adds the linker script config to this library and everything
   # that depends on it.
   source_set(target_name) {
-    inputs = [
-      _final_linker_script,
-    ]
+    inputs = [ _final_linker_script ]
     if (defined(invoker.inputs)) {
       inputs += invoker.inputs
     }
     all_dependent_configs = [ ":${target_name}_config" ]
-    deps = [
-      ":${target_name}_preprocess",
-    ]
+    deps = [ ":${target_name}_preprocess" ]
   }
 }
diff --git a/pw_checksum/BUILD.gn b/pw_checksum/BUILD.gn
index c45363e..743ee58 100644
--- a/pw_checksum/BUILD.gn
+++ b/pw_checksum/BUILD.gn
@@ -21,13 +21,9 @@
 
 source_set("pw_checksum") {
   public_configs = [ ":default_config" ]
-  public = [
-    "public/pw_checksum/ccitt_crc16.h",
-  ]
+  public = [ "public/pw_checksum/ccitt_crc16.h" ]
   sources = [ "ccitt_crc16.cc" ] + public
-  public_deps = [
-    dir_pw_span,
-  ]
+  public_deps = [ dir_pw_span ]
 }
 
 pw_test_group("tests") {
@@ -35,9 +31,7 @@
 }
 
 pw_test("ccitt_crc16_test") {
-  deps = [
-    ":pw_checksum",
-  ]
+  deps = [ ":pw_checksum" ]
   sources = [
     "ccitt_crc16_test.c",
     "ccitt_crc16_test.cc",
diff --git a/pw_containers/BUILD.gn b/pw_containers/BUILD.gn
index eefaa6d..7e2aff9 100644
--- a/pw_containers/BUILD.gn
+++ b/pw_containers/BUILD.gn
@@ -20,9 +20,7 @@
 
 source_set("pw_containers") {
   public_configs = [ ":default_config" ]
-  public = [
-    "public/pw_containers/vector.h",
-  ]
+  public = [ "public/pw_containers/vector.h" ]
   sources = public
 }
 
@@ -31,10 +29,6 @@
 }
 
 pw_test("vector_test") {
-  deps = [
-    ":pw_containers",
-  ]
-  sources = [
-    "vector_test.cc",
-  ]
+  deps = [ ":pw_containers" ]
+  sources = [ "vector_test.cc" ]
 }
diff --git a/pw_cpu_exception/BUILD.gn b/pw_cpu_exception/BUILD.gn
index 580e655..bec142e 100644
--- a/pw_cpu_exception/BUILD.gn
+++ b/pw_cpu_exception/BUILD.gn
@@ -27,13 +27,9 @@
     "$dir_pw_span",
     "$dir_pw_string",
   ]
-  public = [
-    "public/pw_cpu_exception/cpu_exception.h",
-  ]
+  public = [ "public/pw_cpu_exception/cpu_exception.h" ]
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_cpu_exception_armv7m/BUILD.gn b/pw_cpu_exception_armv7m/BUILD.gn
index e7adce7..d627ab7 100644
--- a/pw_cpu_exception_armv7m/BUILD.gn
+++ b/pw_cpu_exception_armv7m/BUILD.gn
@@ -30,9 +30,7 @@
       "$dir_pw_dumb_io:default_putget_bytes",
       "$dir_pw_preprocessor",
     ]
-    public = [
-      "public/pw_cpu_exception_armv7m/cpu_state.h",
-    ]
+    public = [ "public/pw_cpu_exception_armv7m/cpu_state.h" ]
     sources = [
       "cpu_exception_entry.cc",
       "cpu_state.cc",
@@ -49,14 +47,10 @@
       ":pw_cpu_exception_armv7m",
       "$dir_pw_cpu_exception",
     ]
-    sources = [
-      "exception_entry_test.cc",
-    ]
+    sources = [ "exception_entry_test.cc" ]
   }
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_docgen/BUILD.gn b/pw_docgen/BUILD.gn
index 775c1d7..c93b7a8 100644
--- a/pw_docgen/BUILD.gn
+++ b/pw_docgen/BUILD.gn
@@ -15,7 +15,5 @@
 import("docs.gni")
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_docgen/docs.gni b/pw_docgen/docs.gni
index 34a1a04..25a5fcc 100644
--- a/pw_docgen/docs.gni
+++ b/pw_docgen/docs.gni
@@ -71,9 +71,7 @@
   # Collects all dependency metadata into a single JSON file.
   _metadata_file_target = "${target_name}_metadata"
   generated_file(_metadata_file_target) {
-    outputs = [
-      "$target_gen_dir/$target_name.json",
-    ]
+    outputs = [ "$target_gen_dir/$target_name.json" ]
     data_keys = [
       "pw_doc_sources",
       "pw_doc_inputs",
@@ -107,12 +105,8 @@
   pw_python_script(target_name) {
     script = "$dir_pw_docgen/py/docgen.py"
     args = _script_args
-    deps = [
-      ":$_metadata_file_target",
-    ]
-    inputs = [
-      invoker.conf,
-    ]
+    deps = [ ":$_metadata_file_target" ]
+    inputs = [ invoker.conf ]
     inputs += invoker.sources
     stamp = true
   }
diff --git a/pw_doctor/BUILD.gn b/pw_doctor/BUILD.gn
index 9eed4a2..57493ab 100644
--- a/pw_doctor/BUILD.gn
+++ b/pw_doctor/BUILD.gn
@@ -15,7 +15,5 @@
 import("$dir_pw_docgen/docs.gni")
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_dumb_io/BUILD.gn b/pw_dumb_io/BUILD.gn
index 47d2d06..b451afa 100644
--- a/pw_dumb_io/BUILD.gn
+++ b/pw_dumb_io/BUILD.gn
@@ -26,22 +26,14 @@
     "$dir_pw_span",
     "$dir_pw_status",
   ]
-  public = [
-    "public/pw_dumb_io/dumb_io.h",
-  ]
+  public = [ "public/pw_dumb_io/dumb_io.h" ]
 }
 
 source_set("default_putget_bytes") {
-  deps = [
-    ":facade",
-  ]
-  sources = [
-    "dumb_io.cc",
-  ]
+  deps = [ ":facade" ]
+  sources = [ "dumb_io.cc" ]
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_dumb_io_baremetal_stm32f429/BUILD.gn b/pw_dumb_io_baremetal_stm32f429/BUILD.gn
index 1a3a04a..bdd2aed 100644
--- a/pw_dumb_io_baremetal_stm32f429/BUILD.gn
+++ b/pw_dumb_io_baremetal_stm32f429/BUILD.gn
@@ -18,22 +18,16 @@
 # compatible with this backend.
 if (dir_pw_dumb_io_backend == dir_pw_dumb_io_baremetal_stm32f429) {
   source_set("pw_dumb_io_baremetal_stm32f429") {
-    public_deps = [
-      "$dir_pw_boot_armv7m",
-    ]
+    public_deps = [ "$dir_pw_boot_armv7m" ]
     deps = [
       "$dir_pw_dumb_io:default_putget_bytes",
       "$dir_pw_dumb_io:facade",
       "$dir_pw_preprocessor",
     ]
-    sources = [
-      "dumb_io_baremetal.cc",
-    ]
+    sources = [ "dumb_io_baremetal.cc" ]
   }
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_dumb_io_stdio/BUILD.gn b/pw_dumb_io_stdio/BUILD.gn
index 0cd7ca3..82e4c78 100644
--- a/pw_dumb_io_stdio/BUILD.gn
+++ b/pw_dumb_io_stdio/BUILD.gn
@@ -22,14 +22,10 @@
       "$dir_pw_dumb_io:default_putget_bytes",
       "$dir_pw_dumb_io:facade",
     ]
-    sources = [
-      "dumb_io.cc",
-    ]
+    sources = [ "dumb_io.cc" ]
   }
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json b/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json
index 4bf6339..d7df4c8 100644
--- a/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json
+++ b/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json
@@ -2,7 +2,7 @@
     {
         "path": "gn/gn/${platform}",
         "tags": [
-            "git_revision:6e5ba2e7210823cf7ccce3eb2a23336a4e7f1349"
+            "git_revision:239533d2d91a04b3317ca9101cf7189f4e651e4d"
         ]
     },
     {
diff --git a/pw_kvs/BUILD.gn b/pw_kvs/BUILD.gn
index 3256401..10c83d6 100644
--- a/pw_kvs/BUILD.gn
+++ b/pw_kvs/BUILD.gn
@@ -61,9 +61,7 @@
 }
 
 source_set("crc16") {
-  public = [
-    "public/pw_kvs/crc16_checksum.h",
-  ]
+  public = [ "public/pw_kvs/crc16_checksum.h" ]
   sources = public
   public_deps = [
     ":pw_kvs",
@@ -86,9 +84,7 @@
 }
 
 executable("debug_cli") {
-  sources = [
-    "debug_cli.cc",
-  ]
+  sources = [ "debug_cli.cc" ]
   deps = [
     ":crc16",
     ":pw_kvs",
@@ -109,12 +105,8 @@
 }
 
 pw_test("alignment_test") {
-  deps = [
-    ":pw_kvs",
-  ]
-  sources = [
-    "alignment_test.cc",
-  ]
+  deps = [ ":pw_kvs" ]
+  sources = [ "alignment_test.cc" ]
 }
 
 pw_test("checksum_test") {
@@ -123,9 +115,7 @@
     ":pw_kvs",
     dir_pw_log,
   ]
-  sources = [
-    "checksum_test.cc",
-  ]
+  sources = [ "checksum_test.cc" ]
 }
 
 pw_test("entry_test") {
@@ -134,9 +124,7 @@
     ":pw_kvs",
     ":test_utils",
   ]
-  sources = [
-    "entry_test.cc",
-  ]
+  sources = [ "entry_test.cc" ]
 }
 
 pw_test("key_value_store_test") {
@@ -147,9 +135,7 @@
     dir_pw_checksum,
     dir_pw_log,
   ]
-  sources = [
-    "key_value_store_test.cc",
-  ]
+  sources = [ "key_value_store_test.cc" ]
 }
 
 pw_test("key_value_store_error_handling_test") {
@@ -159,9 +145,7 @@
     ":test_utils",
     dir_pw_log,
   ]
-  sources = [
-    "key_value_store_error_handling_test.cc",
-  ]
+  sources = [ "key_value_store_error_handling_test.cc" ]
 }
 
 pw_test("key_value_store_fuzz_test") {
@@ -170,9 +154,7 @@
     ":pw_kvs",
     ":test_utils",
   ]
-  sources = [
-    "key_value_store_fuzz_test.cc",
-  ]
+  sources = [ "key_value_store_fuzz_test.cc" ]
 }
 
 pw_test("key_value_store_map_test") {
@@ -182,13 +164,9 @@
     ":test_utils",
     dir_pw_checksum,
   ]
-  sources = [
-    "key_value_store_map_test.cc",
-  ]
+  sources = [ "key_value_store_map_test.cc" ]
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_log/BUILD.gn b/pw_log/BUILD.gn
index e2cea75..9216bf4 100644
--- a/pw_log/BUILD.gn
+++ b/pw_log/BUILD.gn
@@ -27,9 +27,7 @@
     "public/pw_log/levels.h",
     "public/pw_log/log.h",
   ]
-  public_deps = [
-    dir_pw_preprocessor,
-  ]
+  public_deps = [ dir_pw_preprocessor ]
 }
 
 pw_test_group("tests") {
@@ -54,7 +52,5 @@
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_log_basic/BUILD.gn b/pw_log_basic/BUILD.gn
index 97979e2..2b895ac 100644
--- a/pw_log_basic/BUILD.gn
+++ b/pw_log_basic/BUILD.gn
@@ -26,12 +26,8 @@
       ":backend_config",
       ":default_config",
     ]
-    deps = [
-      ":pw_log_basic_core",
-    ]
-    public = [
-      "public_overrides/pw_log_backend/log_backend.h",
-    ]
+    deps = [ ":pw_log_basic_core" ]
+    public = [ "public_overrides/pw_log_backend/log_backend.h" ]
     sources = public
   }
 }
@@ -44,8 +40,6 @@
     "$dir_pw_preprocessor",
     "$dir_pw_string",
   ]
-  public = [
-    "public/pw_log_basic/log_basic.h",
-  ]
+  public = [ "public/pw_log_basic/log_basic.h" ]
   sources = public + [ "log_basic.cc" ]
 }
diff --git a/pw_minimal_cpp_stdlib/BUILD.gn b/pw_minimal_cpp_stdlib/BUILD.gn
index 533dbbd..97060a5 100644
--- a/pw_minimal_cpp_stdlib/BUILD.gn
+++ b/pw_minimal_cpp_stdlib/BUILD.gn
@@ -73,22 +73,14 @@
 
 pw_test("minimal_cpp_stdlib_test") {
   configs = [ ":no_cpp_includes" ]
-  deps = [
-    ":pw_minimal_cpp_stdlib",
-  ]
-  sources = [
-    "test.cc",
-  ]
+  deps = [ ":pw_minimal_cpp_stdlib" ]
+  sources = [ "test.cc" ]
 }
 
 pw_test("standard_library_test") {
-  sources = [
-    "test.cc",
-  ]
+  sources = [ "test.cc" ]
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_module/BUILD.gn b/pw_module/BUILD.gn
index 9eed4a2..57493ab 100644
--- a/pw_module/BUILD.gn
+++ b/pw_module/BUILD.gn
@@ -15,7 +15,5 @@
 import("$dir_pw_docgen/docs.gni")
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_polyfill/BUILD.gn b/pw_polyfill/BUILD.gn
index c2d00d3..c4e485e 100644
--- a/pw_polyfill/BUILD.gn
+++ b/pw_polyfill/BUILD.gn
@@ -21,9 +21,7 @@
 
 source_set("pw_polyfill") {
   public_configs = [ ":public" ]
-  public_deps = [
-    ":standard_library",
-  ]
+  public_deps = [ ":standard_library" ]
   public = [
     "public/pw_polyfill/language_features.h",
     "public/pw_polyfill/standard.h",
@@ -37,9 +35,7 @@
 
 source_set("overrides") {
   public_configs = [ ":overrides_config" ]
-  public_deps = [
-    ":standard_library",
-  ]
+  public_deps = [ ":standard_library" ]
   inputs = [
     "public_overrides/assert.h",
     "public_overrides/cstddef",
@@ -76,36 +72,22 @@
 }
 
 pw_test("default_cpp_test") {
-  deps = [
-    ":pw_polyfill",
-  ]
-  sources = [
-    "test.cc",
-  ]
+  deps = [ ":pw_polyfill" ]
+  sources = [ "test.cc" ]
 }
 
 pw_test("cpp11_test") {
   configs = [ "$dir_pw_build:cpp11" ]
-  sources = [
-    "test.cc",
-  ]
-  deps = [
-    ":pw_polyfill",
-  ]
+  sources = [ "test.cc" ]
+  deps = [ ":pw_polyfill" ]
 }
 
 pw_test("cpp14_test") {
   configs = [ "$dir_pw_build:cpp14" ]
-  sources = [
-    "test.cc",
-  ]
-  deps = [
-    ":pw_polyfill",
-  ]
+  sources = [ "test.cc" ]
+  deps = [ ":pw_polyfill" ]
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_preprocessor/BUILD.gn b/pw_preprocessor/BUILD.gn
index 3ef1b5b..a813985 100644
--- a/pw_preprocessor/BUILD.gn
+++ b/pw_preprocessor/BUILD.gn
@@ -32,9 +32,7 @@
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
 
 # All pw_preprocessor test binaries.
@@ -50,12 +48,8 @@
 template("preprocessor_test") {
   not_needed([ "invoker" ])
   pw_test(target_name) {
-    deps = [
-      ":pw_preprocessor",
-    ]
-    sources = [
-      "$target_name.cc",
-    ]
+    deps = [ ":pw_preprocessor" ]
+    sources = [ "$target_name.cc" ]
   }
 }
 
diff --git a/pw_presubmit/BUILD.gn b/pw_presubmit/BUILD.gn
index 9eed4a2..57493ab 100644
--- a/pw_presubmit/BUILD.gn
+++ b/pw_presubmit/BUILD.gn
@@ -15,7 +15,5 @@
 import("$dir_pw_docgen/docs.gni")
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_protobuf/BUILD.gn b/pw_protobuf/BUILD.gn
index ea82ecc..6550ea4 100644
--- a/pw_protobuf/BUILD.gn
+++ b/pw_protobuf/BUILD.gn
@@ -70,21 +70,13 @@
 }
 
 pw_test("decoder_test") {
-  deps = [
-    ":pw_protobuf",
-  ]
-  sources = [
-    "decoder_test.cc",
-  ]
+  deps = [ ":pw_protobuf" ]
+  sources = [ "decoder_test.cc" ]
 }
 
 pw_test("encoder_test") {
-  deps = [
-    ":pw_protobuf",
-  ]
-  sources = [
-    "encoder_test.cc",
-  ]
+  deps = [ ":pw_protobuf" ]
+  sources = [ "encoder_test.cc" ]
 }
 
 pw_test("codegen_test") {
@@ -92,9 +84,7 @@
     ":codegen_test_protos_cc",
     ":pw_protobuf",
   ]
-  sources = [
-    "codegen_test.cc",
-  ]
+  sources = [ "codegen_test.cc" ]
 }
 
 pw_proto_library("codegen_test_protos") {
diff --git a/pw_protobuf/size_report/BUILD.gn b/pw_protobuf/size_report/BUILD.gn
index d6621ae..4df99f6 100644
--- a/pw_protobuf/size_report/BUILD.gn
+++ b/pw_protobuf/size_report/BUILD.gn
@@ -20,9 +20,7 @@
     "$dir_pw_preprocessor",
     "$dir_pw_protobuf:pw_protobuf",
   ]
-  sources = [
-    "decoder_full.cc",
-  ]
+  sources = [ "decoder_full.cc" ]
 }
 
 pw_toolchain_size_report("decoder_full") {
@@ -39,9 +37,7 @@
       "$dir_pw_preprocessor",
       "$dir_pw_protobuf:pw_protobuf",
     ]
-    sources = [
-      "decoder_incremental.cc",
-    ]
+    sources = [ "decoder_incremental.cc" ]
   }
   title = "Adding more fields to decode callback"
 }
diff --git a/pw_protobuf_compiler/BUILD.gn b/pw_protobuf_compiler/BUILD.gn
index 9eed4a2..57493ab 100644
--- a/pw_protobuf_compiler/BUILD.gn
+++ b/pw_protobuf_compiler/BUILD.gn
@@ -15,7 +15,5 @@
 import("$dir_pw_docgen/docs.gni")
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_span/BUILD.gn b/pw_span/BUILD.gn
index 60c104e..2baabbd 100644
--- a/pw_span/BUILD.gn
+++ b/pw_span/BUILD.gn
@@ -21,12 +21,8 @@
 
 source_set("pw_span") {
   public_configs = [ ":default_config" ]
-  public_deps = [
-    "$dir_pw_polyfill",
-  ]
-  public = [
-    "public/pw_span/span.h",
-  ]
+  public_deps = [ "$dir_pw_polyfill" ]
+  public = [ "public/pw_span/span.h" ]
   sources = public
 }
 
@@ -35,16 +31,10 @@
 }
 
 pw_test("test") {
-  deps = [
-    ":pw_span",
-  ]
-  sources = [
-    "span_test.cc",
-  ]
+  deps = [ ":pw_span" ]
+  sources = [ "span_test.cc" ]
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_status/BUILD.gn b/pw_status/BUILD.gn
index 5231111..2763068 100644
--- a/pw_status/BUILD.gn
+++ b/pw_status/BUILD.gn
@@ -36,9 +36,7 @@
 }
 
 pw_test("status_test") {
-  deps = [
-    ":pw_status",
-  ]
+  deps = [ ":pw_status" ]
   sources = [
     "status_test.c",
     "status_test.cc",
@@ -46,16 +44,10 @@
 }
 
 pw_test("status_with_size_test") {
-  deps = [
-    ":pw_status",
-  ]
-  sources = [
-    "status_with_size_test.cc",
-  ]
+  deps = [ ":pw_status" ]
+  sources = [ "status_with_size_test.cc" ]
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_string/BUILD.gn b/pw_string/BUILD.gn
index 01bf37f..69513da 100644
--- a/pw_string/BUILD.gn
+++ b/pw_string/BUILD.gn
@@ -58,54 +58,32 @@
 }
 
 pw_test("format_test") {
-  deps = [
-    ":pw_string",
-  ]
-  sources = [
-    "format_test.cc",
-  ]
+  deps = [ ":pw_string" ]
+  sources = [ "format_test.cc" ]
 }
 
 pw_test("string_builder_test") {
-  deps = [
-    ":pw_string",
-  ]
-  sources = [
-    "string_builder_test.cc",
-  ]
+  deps = [ ":pw_string" ]
+  sources = [ "string_builder_test.cc" ]
 }
 
 pw_test("to_string_test") {
-  deps = [
-    ":pw_string",
-  ]
-  sources = [
-    "to_string_test.cc",
-  ]
+  deps = [ ":pw_string" ]
+  sources = [ "to_string_test.cc" ]
 }
 
 pw_test("type_to_string_test") {
-  deps = [
-    ":pw_string",
-  ]
-  sources = [
-    "type_to_string_test.cc",
-  ]
+  deps = [ ":pw_string" ]
+  sources = [ "type_to_string_test.cc" ]
 }
 
 pw_test("util_test") {
-  deps = [
-    ":pw_string",
-  ]
-  sources = [
-    "util_test.cc",
-  ]
+  deps = [ ":pw_string" ]
+  sources = [ "util_test.cc" ]
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
   report_deps = [
     ":format_size_report",
     ":string_builder_size_report",
diff --git a/pw_string/size_report/BUILD.gn b/pw_string/size_report/BUILD.gn
index 6c16b3d..cb11f76 100644
--- a/pw_string/size_report/BUILD.gn
+++ b/pw_string/size_report/BUILD.gn
@@ -15,9 +15,7 @@
 import("$dir_pw_build/pw_executable.gni")
 
 pw_executable("single_write_snprintf") {
-  sources = [
-    "format_single.cc",
-  ]
+  sources = [ "format_single.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -26,9 +24,7 @@
 }
 
 pw_executable("single_write_format") {
-  sources = [
-    "format_single.cc",
-  ]
+  sources = [ "format_single.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -37,9 +33,7 @@
 }
 
 pw_executable("multiple_writes_snprintf") {
-  sources = [
-    "format_multiple.cc",
-  ]
+  sources = [ "format_multiple.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -48,9 +42,7 @@
 }
 
 pw_executable("multiple_writes_format") {
-  sources = [
-    "format_multiple.cc",
-  ]
+  sources = [ "format_multiple.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -59,9 +51,7 @@
 }
 
 pw_executable("many_writes_snprintf") {
-  sources = [
-    "format_many_without_error_handling.cc",
-  ]
+  sources = [ "format_many_without_error_handling.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -70,9 +60,7 @@
 }
 
 pw_executable("many_writes_format") {
-  sources = [
-    "format_many_without_error_handling.cc",
-  ]
+  sources = [ "format_many_without_error_handling.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -81,9 +69,7 @@
 }
 
 pw_executable("build_string_with_snprintf_no_base_snprintf") {
-  sources = [
-    "string_builder_size_report.cc",
-  ]
+  sources = [ "string_builder_size_report.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -95,9 +81,7 @@
 }
 
 pw_executable("build_string_with_string_builder_no_base_snprintf") {
-  sources = [
-    "string_builder_size_report.cc",
-  ]
+  sources = [ "string_builder_size_report.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -109,9 +93,7 @@
 }
 
 pw_executable("build_string_with_snprintf") {
-  sources = [
-    "string_builder_size_report.cc",
-  ]
+  sources = [ "string_builder_size_report.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -123,9 +105,7 @@
 }
 
 pw_executable("build_string_with_string_builder") {
-  sources = [
-    "string_builder_size_report.cc",
-  ]
+  sources = [ "string_builder_size_report.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -137,9 +117,7 @@
 }
 
 pw_executable("build_string_incremental_with_snprintf") {
-  sources = [
-    "string_builder_size_report_incremental.cc",
-  ]
+  sources = [ "string_builder_size_report_incremental.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
@@ -148,9 +126,7 @@
 }
 
 pw_executable("build_string_incremental_with_string_builder") {
-  sources = [
-    "string_builder_size_report_incremental.cc",
-  ]
+  sources = [ "string_builder_size_report_incremental.cc" ]
   deps = [
     "$dir_pw_bloat:bloat_this_binary",
     "..",
diff --git a/pw_target_runner/BUILD.gn b/pw_target_runner/BUILD.gn
index 3d631bf..b48c146 100644
--- a/pw_target_runner/BUILD.gn
+++ b/pw_target_runner/BUILD.gn
@@ -16,20 +16,14 @@
 import("$dir_pw_protobuf_compiler/proto.gni")
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
   group_deps = [ "go:docs" ]
 }
 
 pw_proto_library("target_runner_proto") {
-  sources = [
-    "pw_target_runner_protos/target_runner.proto",
-  ]
+  sources = [ "pw_target_runner_protos/target_runner.proto" ]
 }
 
 pw_proto_library("exec_server_config_proto") {
-  sources = [
-    "pw_target_runner_protos/exec_server_config.proto",
-  ]
+  sources = [ "pw_target_runner_protos/exec_server_config.proto" ]
 }
diff --git a/pw_target_runner/go/BUILD.gn b/pw_target_runner/go/BUILD.gn
index 4dad302..65a2802 100644
--- a/pw_target_runner/go/BUILD.gn
+++ b/pw_target_runner/go/BUILD.gn
@@ -17,33 +17,23 @@
 import("$dir_pw_docgen/docs.gni")
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
 
 pw_go_executable("pw_target_runner_client") {
-  deps = [
-    "src/pigweed.dev/pw_target_runner_client",
-  ]
+  deps = [ "src/pigweed.dev/pw_target_runner_client" ]
   package = "pigweed.dev/pw_target_runner_client"
 }
 
 pw_go_executable("pw_target_runner_server") {
-  deps = [
-    "src/pigweed.dev/pw_target_runner_server",
-  ]
+  deps = [ "src/pigweed.dev/pw_target_runner_server" ]
   package = "pigweed.dev/pw_target_runner_server"
 }
 
 pw_host_tool("simple_client") {
-  deps = [
-    ":pw_target_runner_client",
-  ]
+  deps = [ ":pw_target_runner_client" ]
 }
 
 pw_host_tool("simple_server") {
-  deps = [
-    ":pw_target_runner_server",
-  ]
+  deps = [ ":pw_target_runner_server" ]
 }
diff --git a/pw_target_runner/go/src/pigweed.dev/pw_target_runner/BUILD.gn b/pw_target_runner/go/src/pigweed.dev/pw_target_runner/BUILD.gn
index ab6a0aa..5395a9e 100644
--- a/pw_target_runner/go/src/pigweed.dev/pw_target_runner/BUILD.gn
+++ b/pw_target_runner/go/src/pigweed.dev/pw_target_runner/BUILD.gn
@@ -20,9 +20,7 @@
     "server.go",
     "worker_pool.go",
   ]
-  deps = [
-    "$dir_pw_target_runner:target_runner_proto_go",
-  ]
+  deps = [ "$dir_pw_target_runner:target_runner_proto_go" ]
   external_deps = [ "google.golang.org/grpc" ]
   gopath = "$dir_pw_target_runner/go"
 }
diff --git a/pw_target_runner/go/src/pigweed.dev/pw_target_runner_client/BUILD.gn b/pw_target_runner/go/src/pigweed.dev/pw_target_runner_client/BUILD.gn
index 96e51f3..4ed3a5d 100644
--- a/pw_target_runner/go/src/pigweed.dev/pw_target_runner_client/BUILD.gn
+++ b/pw_target_runner/go/src/pigweed.dev/pw_target_runner_client/BUILD.gn
@@ -15,11 +15,7 @@
 import("$dir_pw_build/go.gni")
 
 pw_go_package("pw_target_runner_client") {
-  sources = [
-    "main.go",
-  ]
-  deps = [
-    "$dir_pw_target_runner:target_runner_proto_go",
-  ]
+  sources = [ "main.go" ]
+  deps = [ "$dir_pw_target_runner:target_runner_proto_go" ]
   gopath = "$dir_pw_target_runner/go"
 }
diff --git a/pw_target_runner/go/src/pigweed.dev/pw_target_runner_server/BUILD.gn b/pw_target_runner/go/src/pigweed.dev/pw_target_runner_server/BUILD.gn
index eda11cb..c646269 100644
--- a/pw_target_runner/go/src/pigweed.dev/pw_target_runner_server/BUILD.gn
+++ b/pw_target_runner/go/src/pigweed.dev/pw_target_runner_server/BUILD.gn
@@ -15,9 +15,7 @@
 import("$dir_pw_build/go.gni")
 
 pw_go_package("pw_target_runner_server") {
-  sources = [
-    "main.go",
-  ]
+  sources = [ "main.go" ]
   deps = [
     "$dir_pw_target_runner:exec_server_config_proto_go",
     "$dir_pw_target_runner/go/src/pigweed.dev/pw_target_runner",
diff --git a/pw_tokenizer/BUILD.gn b/pw_tokenizer/BUILD.gn
index f628380..de5223d 100644
--- a/pw_tokenizer/BUILD.gn
+++ b/pw_tokenizer/BUILD.gn
@@ -25,9 +25,7 @@
     "$dir_pw_preprocessor",
     "$dir_pw_span",
   ]
-  deps = [
-    "$dir_pw_varint",
-  ]
+  deps = [ "$dir_pw_varint" ]
   public = [
     "public/pw_tokenizer/pw_tokenizer_65599_fixed_length_hash.h",
     "public/pw_tokenizer/tokenize.h",
@@ -52,27 +50,19 @@
 
 source_set("base64") {
   public_configs = [ ":default_config" ]
-  public = [
-    "public/pw_tokenizer/base64.h",
-  ]
+  public = [ "public/pw_tokenizer/base64.h" ]
   sources = [ "base64.cc" ] + public
   public_deps = [
     "$dir_pw_preprocessor",
     "$dir_pw_span",
   ]
-  deps = [
-    "$dir_pw_base64",
-  ]
+  deps = [ "$dir_pw_base64" ]
 }
 
 source_set("decoder") {
   public_configs = [ ":default_config" ]
-  public_deps = [
-    "$dir_pw_span",
-  ]
-  deps = [
-    "$dir_pw_varint",
-  ]
+  public_deps = [ "$dir_pw_span" ]
+  deps = [ "$dir_pw_varint" ]
   public = [
     "public/pw_tokenizer/detokenize.h",
     "public/pw_tokenizer/token_database.h",
@@ -98,9 +88,7 @@
     ":pw_tokenizer",
     "$dir_pw_varint",
   ]
-  sources = [
-    "generate_decoding_test_data.cc",
-  ]
+  sources = [ "generate_decoding_test_data.cc" ]
 }
 
 # Executable for generating a test ELF file for elf_reader_test.py. A host
@@ -110,9 +98,7 @@
     ":pw_tokenizer",
     "$dir_pw_varint",
   ]
-  sources = [
-    "py/elf_reader_test_binary.c",
-  ]
+  sources = [ "py/elf_reader_test_binary.c" ]
   ldflags = [ "-Wl,--unresolved-symbols=ignore-all" ]  # main is not defined
 }
 
@@ -142,18 +128,12 @@
     "argument_types_test.cc",
     "pw_tokenizer_private/argument_types_test.h",
   ]
-  deps = [
-    ":pw_tokenizer",
-  ]
+  deps = [ ":pw_tokenizer" ]
 }
 
 pw_test("base64_test") {
-  sources = [
-    "base64_test.cc",
-  ]
-  deps = [
-    ":base64",
-  ]
+  sources = [ "base64_test.cc" ]
+  deps = [ ":base64" ]
 }
 
 pw_test("decode_test") {
@@ -169,12 +149,8 @@
 }
 
 pw_test("detokenize_test") {
-  sources = [
-    "detokenize_test.cc",
-  ]
-  deps = [
-    ":decoder",
-  ]
+  sources = [ "detokenize_test.cc" ]
+  deps = [ ":decoder" ]
 }
 
 pw_test("hash_test") {
@@ -182,16 +158,14 @@
     "hash_test.cc",
     "pw_tokenizer_private/generated_hash_test_cases.h",
   ]
-  deps = [
-    ":pw_tokenizer",
-  ]
+  deps = [ ":pw_tokenizer" ]
 }
 
 # Fully test C++11 and C++14 compatibility by compiling all sources as C++11 or
 # C++14.
 _simple_tokenize_test_sources = [
-  "public/pw_tokenizer/pw_tokenizer_65599_fixed_length_hash.h",
-  "public/pw_tokenizer/tokenize.h",
+  "$dir_pw_varint/public/pw_varint/varint.h",
+  "$dir_pw_varint/varint.cc",
   "public/pw_tokenizer/config.h",
   "public/pw_tokenizer/internal/argument_types.h",
   "public/pw_tokenizer/internal/argument_types_macro_4_byte.h",
@@ -200,10 +174,10 @@
   "public/pw_tokenizer/internal/pw_tokenizer_65599_fixed_length_80_hash_macro.h",
   "public/pw_tokenizer/internal/pw_tokenizer_65599_fixed_length_96_hash_macro.h",
   "public/pw_tokenizer/internal/tokenize_string.h",
-  "tokenize.cc",
+  "public/pw_tokenizer/pw_tokenizer_65599_fixed_length_hash.h",
+  "public/pw_tokenizer/tokenize.h",
   "simple_tokenize_test.cc",
-  "$dir_pw_varint/public/pw_varint/varint.h",
-  "$dir_pw_varint/varint.cc",
+  "tokenize.cc",
 ]
 _simple_tokenize_test_configs = [
   ":default_config",
@@ -213,34 +187,24 @@
 pw_test("simple_tokenize_test_cpp11") {
   configs = [ "$dir_pw_build:cpp11" ] + _simple_tokenize_test_configs
   sources = _simple_tokenize_test_sources
-  deps = [
-    dir_pw_preprocessor,
-  ]
+  deps = [ dir_pw_preprocessor ]
 }
 
 pw_test("simple_tokenize_test_cpp14") {
   configs = [ "$dir_pw_build:cpp14" ] + _simple_tokenize_test_configs
   sources = _simple_tokenize_test_sources
-  deps = [
-    dir_pw_preprocessor,
-  ]
+  deps = [ dir_pw_preprocessor ]
 }
 
 pw_test("simple_tokenize_test_cpp17") {
   configs = [ "$dir_pw_build:cpp17" ] + _simple_tokenize_test_configs
   sources = _simple_tokenize_test_sources
-  deps = [
-    dir_pw_preprocessor,
-  ]
+  deps = [ dir_pw_preprocessor ]
 }
 
 pw_test("token_database_test") {
-  sources = [
-    "token_database_test.cc",
-  ]
-  deps = [
-    ":decoder",
-  ]
+  sources = [ "token_database_test.cc" ]
+  deps = [ ":decoder" ]
 }
 
 pw_test("tokenize_test") {
@@ -276,9 +240,7 @@
 shared_library("detokenizer_jni") {
   public_configs = [ ":default_config" ]
   include_dirs = pw_java_native_interface_include_dirs
-  sources = [
-    "java/dev/pigweed/tokenizer/detokenizer.cc",
-  ]
+  sources = [ "java/dev/pigweed/tokenizer/detokenizer.cc" ]
   public_deps = [
     ":decoder",
     "$dir_pw_preprocessor",
@@ -286,7 +248,5 @@
 }
 
 pw_doc_group("docs") {
-  sources = [
-    "docs.rst",
-  ]
+  sources = [ "docs.rst" ]
 }
diff --git a/pw_toolchain/arm_gcc.gni b/pw_toolchain/arm_gcc.gni
index 51bab63..8c3dad3 100644
--- a/pw_toolchain/arm_gcc.gni
+++ b/pw_toolchain/arm_gcc.gni
@@ -101,9 +101,8 @@
                             ])
       depsformat = "gcc"
       description = "cc {{output}}"
-      outputs = [
-        "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o",
-      ]
+      outputs =
+          [ "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o" ]
     }
 
     tool("cxx") {
@@ -123,17 +122,15 @@
                             ])
       depsformat = "gcc"
       description = "c++ {{output}}"
-      outputs = [
-        "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o",
-      ]
+      outputs =
+          [ "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o" ]
     }
 
     tool("alink") {
       command = "rm -f {{output}} && $_ar rcs {{output}} {{inputs}}"
       description = "ar {{target_output_name}}{{output_extension}}"
-      outputs = [
-        "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
-      ]
+      outputs =
+          [ "{{target_out_dir}}/{{target_output_name}}{{output_extension}}" ]
       default_output_extension = ".a"
     }
 
@@ -177,9 +174,7 @@
     tool("link") {
       command = _link_command
       description = "ld $_link_outfile"
-      outputs = [
-        _link_outfile,
-      ]
+      outputs = [ _link_outfile ]
       default_output_dir = "{{target_out_dir}}"
       default_output_extension = ".elf"
     }
@@ -187,9 +182,7 @@
     tool("solink") {
       command = _link_command + " -shared"
       description = "ld -shared $_link_outfile"
-      outputs = [
-        _link_outfile,
-      ]
+      outputs = [ _link_outfile ]
       default_output_dir = "{{target_out_dir}}"
       default_output_extension = ".so"
     }
diff --git a/pw_toolchain/host_clang.gni b/pw_toolchain/host_clang.gni
index 491e3bc..ef417f8 100644
--- a/pw_toolchain/host_clang.gni
+++ b/pw_toolchain/host_clang.gni
@@ -95,9 +95,8 @@
                             ])
       depsformat = "gcc"
       description = "cc {{output}}"
-      outputs = [
-        "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o",
-      ]
+      outputs =
+          [ "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o" ]
     }
 
     tool("cxx") {
@@ -117,17 +116,15 @@
                             ])
       depsformat = "gcc"
       description = "c++ {{output}}"
-      outputs = [
-        "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o",
-      ]
+      outputs =
+          [ "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o" ]
     }
 
     tool("alink") {
       command = "rm -f {{output}} && $_ar rcs {{output}} {{inputs}}"
       description = "ar {{target_output_name}}{{output_extension}}"
-      outputs = [
-        "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
-      ]
+      outputs =
+          [ "{{target_out_dir}}/{{target_output_name}}{{output_extension}}" ]
       default_output_extension = ".a"
     }
 
@@ -174,9 +171,7 @@
     tool("link") {
       command = _link_command
       description = "ld $_link_outfile"
-      outputs = [
-        _link_outfile,
-      ]
+      outputs = [ _link_outfile ]
       default_output_dir = "{{target_out_dir}}"
       default_output_extension = ""
     }
@@ -184,9 +179,7 @@
     tool("solink") {
       command = _link_command + " -shared"
       description = "ld -shared $_link_outfile"
-      outputs = [
-        _link_outfile,
-      ]
+      outputs = [ _link_outfile ]
       default_output_dir = "{{target_out_dir}}"
       default_output_extension = ".so"
     }
diff --git a/pw_toolchain/host_gcc.gni b/pw_toolchain/host_gcc.gni
index 1d221ed..d34386a 100644
--- a/pw_toolchain/host_gcc.gni
+++ b/pw_toolchain/host_gcc.gni
@@ -98,9 +98,8 @@
                             ])
       depsformat = "gcc"
       description = "cc {{output}}"
-      outputs = [
-        "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o",
-      ]
+      outputs =
+          [ "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o" ]
     }
 
     tool("cxx") {
@@ -120,17 +119,15 @@
                             ])
       depsformat = "gcc"
       description = "c++ {{output}}"
-      outputs = [
-        "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o",
-      ]
+      outputs =
+          [ "{{source_out_dir}}/{{target_output_name}}.{{source_file_part}}.o" ]
     }
 
     tool("alink") {
       command = "rm -f {{output}} && $_ar rcs {{output}} {{inputs}}"
       description = "ar {{target_output_name}}{{output_extension}}"
-      outputs = [
-        "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
-      ]
+      outputs =
+          [ "{{target_out_dir}}/{{target_output_name}}{{output_extension}}" ]
       default_output_extension = ".a"
     }
 
@@ -177,9 +174,7 @@
     tool("link") {
       command = _link_command
       description = "ld $_link_outfile"
-      outputs = [
-        _link_outfile,
-      ]
+      outputs = [ _link_outfile ]
       default_output_dir = "{{target_out_dir}}"
       default_output_extension = ""
     }
@@ -187,9 +182,7 @@
     tool("solink") {
       command = _link_command + " -shared"
       description = "ld -shared $_link_outfile"
-      outputs = [
-        _link_outfile,
-      ]
+      outputs = [ _link_outfile ]
       default_output_dir = "{{target_out_dir}}"
       default_output_extension = ".so"
     }
diff --git a/pw_unit_test/BUILD.gn b/pw_unit_test/BUILD.gn
index e4eb1d0..0906df2 100644
--- a/pw_unit_test/BUILD.gn
+++ b/pw_unit_test/BUILD.gn
@@ -44,9 +44,7 @@
     ":pw_unit_test",
     "$dir_pw_preprocessor",
   ]
-  public = [
-    "public/pw_unit_test/simple_printing_event_handler.h",
-  ]
+  public = [ "public/pw_unit_test/simple_printing_event_handler.h" ]
   sources = [ "simple_printing_event_handler.cc" ] + public
 }
 
@@ -54,16 +52,12 @@
 # framework. Unit test files can link against this library to build runnable
 # unit test executables.
 source_set("simple_printing_main") {
-  public_deps = [
-    ":pw_unit_test",
-  ]
+  public_deps = [ ":pw_unit_test" ]
   deps = [
     ":simple_printing_event_handler",
     "$dir_pw_dumb_io",
   ]
-  sources = [
-    "simple_printing_main.cc",
-  ]
+  sources = [ "simple_printing_main.cc" ]
 }
 
 # Library providing an event handler which logs using pw_log.
@@ -74,30 +68,22 @@
       "$dir_pw_log",
       "$dir_pw_preprocessor",
     ]
-    public = [
-      "public/pw_unit_test/logging_event_handler.h",
-    ]
+    public = [ "public/pw_unit_test/logging_event_handler.h" ]
     sources = [ "logging_event_handler.cc" ] + public
   }
 
   source_set("logging_main") {
-    public_deps = [
-      ":pw_unit_test",
-    ]
+    public_deps = [ ":pw_unit_test" ]
     deps = [
       ":logging_event_handler",
       "$dir_pw_dumb_io",
     ]
-    sources = [
-      "logging_main.cc",
-    ]
+    sources = [ "logging_main.cc" ]
   }
 }
 
 pw_test("framework_test") {
-  sources = [
-    "framework_test.cc",
-  ]
+  sources = [ "framework_test.cc" ]
 }
 
 pw_test_group("tests") {
diff --git a/pw_unit_test/test.gni b/pw_unit_test/test.gni
index abb3098..d0c3c6b 100644
--- a/pw_unit_test/test.gni
+++ b/pw_unit_test/test.gni
@@ -55,12 +55,8 @@
     _run_action_name = _test_target_name + "_run"
 
     pw_python_script(_run_action_name) {
-      deps = [
-        ":$_test_target_name",
-      ]
-      inputs = [
-        pw_automatic_test_runner,
-      ]
+      deps = [ ":$_test_target_name" ]
+      inputs = [ pw_automatic_test_runner ]
       script = "$dir_pw_unit_test/py/pw_unit_test/test_runner.py"
       args = [
         "--runner",
@@ -130,9 +126,7 @@
   _test_group_deps = [ ":$_metadata_group_target" ]
 
   generated_file(_group_target) {
-    outputs = [
-      "$target_out_dir/$target_name.testinfo.json",
-    ]
+    outputs = [ "$target_out_dir/$target_name.testinfo.json" ]
     data_keys = [
       "group_deps",
       "self",
@@ -147,9 +141,7 @@
   # of the individual *_run targets and groups.
   if (pw_automatic_test_runner != "") {
     group(_group_target + "_run") {
-      deps = [
-        ":$_group_target",
-      ]
+      deps = [ ":$_group_target" ]
       foreach(_target, _deps) {
         deps += [ "${_target}_run" ]
       }
diff --git a/pw_varint/BUILD.gn b/pw_varint/BUILD.gn
index b794180..d1aa98c 100644
--- a/pw_varint/BUILD.gn
+++ b/pw_varint/BUILD.gn
@@ -20,16 +20,12 @@
 
 source_set("pw_varint") {
   public_configs = [ ":default_config" ]
-  public_deps = [
-    "$dir_pw_span",
-  ]
+  public_deps = [ "$dir_pw_span" ]
   sources = [
     "public/pw_varint/varint.h",
     "varint.cc",
   ]
-  public = [
-    "public/pw_varint/varint.h",
-  ]
+  public = [ "public/pw_varint/varint.h" ]
 }
 
 pw_test_group("tests") {
@@ -37,9 +33,7 @@
 }
 
 pw_test("varint_test") {
-  deps = [
-    ":pw_varint",
-  ]
+  deps = [ ":pw_varint" ]
   sources = [
     "varint_test.c",
     "varint_test.cc",
diff --git a/targets/stm32f429i-disc1/BUILD.gn b/targets/stm32f429i-disc1/BUILD.gn
index 3727e50..c129d8c 100644
--- a/targets/stm32f429i-disc1/BUILD.gn
+++ b/targets/stm32f429i-disc1/BUILD.gn
@@ -15,7 +15,5 @@
 import("$dir_pw_docgen/docs.gni")
 
 pw_doc_group("target_docs") {
-  sources = [
-    "target_docs.rst",
-  ]
+  sources = [ "target_docs.rst" ]
 }