pw_package: Add Emboss package

Bug: b/267339628

Change-Id: Idb3d9cae8727590a00c370b92b433b752d8fc01f
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/127331
Reviewed-by: Rob Mohr <mohrr@google.com>
Commit-Queue: Ben Lawson <benlawson@google.com>
diff --git a/pw_package/py/BUILD.gn b/pw_package/py/BUILD.gn
index 478a406..c180a50 100644
--- a/pw_package/py/BUILD.gn
+++ b/pw_package/py/BUILD.gn
@@ -31,6 +31,7 @@
     "pw_package/packages/boringssl.py",
     "pw_package/packages/chromium_verifier.py",
     "pw_package/packages/crlset.py",
+    "pw_package/packages/emboss.py",
     "pw_package/packages/freertos.py",
     "pw_package/packages/googletest.py",
     "pw_package/packages/mbedtls.py",
diff --git a/pw_package/py/pw_package/packages/emboss.py b/pw_package/py/pw_package/packages/emboss.py
new file mode 100644
index 0000000..090858f
--- /dev/null
+++ b/pw_package/py/pw_package/packages/emboss.py
@@ -0,0 +1,48 @@
+# Copyright 2023 The Pigweed Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+"""Install and check status of Emboss."""
+
+import pathlib
+from typing import Sequence
+
+import pw_package.git_repo
+import pw_package.package_manager
+
+
+class Emboss(pw_package.git_repo.GitRepo):
+    """Install and check status of Emboss."""
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(
+            *args,
+            name="emboss",
+            url="".join(
+                [
+                    "https://fuchsia.googlesource.com",
+                    "/third_party/github.com/google/emboss",
+                ]
+            ),
+            commit="b8e2750975aa241fb81f5723ecc4c50f71e6bd18",
+            **kwargs,
+        )
+
+    def info(self, path: pathlib.Path) -> Sequence[str]:
+        return (
+            f"{self.name} installed in: {path}",
+            "Enable by running 'gn args out' and adding this line:",
+            f'  dir_pw_third_party_emboss = "{path}"',
+        )
+
+
+pw_package.package_manager.register(Emboss)
diff --git a/pw_package/py/pw_package/pigweed_packages.py b/pw_package/py/pw_package/pigweed_packages.py
index 0c13dd9..dec3bcb 100644
--- a/pw_package/py/pw_package/pigweed_packages.py
+++ b/pw_package/py/pw_package/pigweed_packages.py
@@ -22,6 +22,7 @@
 from pw_package.packages import boringssl
 from pw_package.packages import chromium_verifier
 from pw_package.packages import crlset
+from pw_package.packages import emboss
 from pw_package.packages import freertos
 from pw_package.packages import googletest
 from pw_package.packages import mbedtls