module_deps: Add deps to output properties

Bug: b/522852278
Change-Id: Iae407ea4217791429860a9a13294622ad83850c2
Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/426593

recipes/module_deps.py

diff --git a/recipes/module_deps.py b/recipes/module_deps.py
index a8be216..1c56733 100644
--- a/recipes/module_deps.py
+++ b/recipes/module_deps.py
@@ -52,15 +52,20 @@
 
     env = api.environment.init(checkout, props.environment_options)
 
+    deps = set()
     with env(), api.context(cwd=checkout.root):
         if props.run_bazel:
-            handle_bazel(api)
+            deps.update(handle_bazel(api))
         if props.run_gn:
-            handle_gn(api)
+            deps.update(handle_gn(api))
         if props.run_cmake:
-            handle_cmake(api)
+            deps.update(handle_cmake(api))
         if props.run_soong:
-            handle_soong(api)
+            deps.update(handle_soong(api))
+
+    sorted_deps = sorted(deps)
+    pres = api.step.empty('output properties').presentation
+    pres.properties['deps'] = sorted_deps
 
 
 def handle_bazel(api: recipe_api.RecipeScriptApi) -> list[str]:
@@ -170,6 +175,11 @@
             'bazel.found 3 bazel deps',
             ['pw_analog, pw_assert, targets'],
         ),
+        api.post_check(
+            post_process.PropertyEquals,
+            'deps',
+            ['pw_analog', 'pw_assert', 'targets'],
+        ),
         api.post_process(post_process.DropExpectation),
     )
 
@@ -196,6 +206,11 @@
             'gn.found 3 gn deps',
             ['pw_assert, pw_non_existent, pw_string'],
         ),
+        api.post_check(
+            post_process.PropertyEquals,
+            'deps',
+            ['pw_assert', 'pw_non_existent', 'pw_string'],
+        ),
         api.post_process(post_process.DropExpectation),
     )
 
@@ -206,6 +221,7 @@
         api.post_check(post_process.DoesNotRun, 'gn'),
         api.post_check(post_process.DoesNotRun, 'cmake'),
         api.post_check(post_process.DoesNotRun, 'soong'),
+        api.post_check(post_process.PropertyEquals, 'deps', []),
         api.post_process(post_process.DropExpectation),
     )
 
@@ -229,5 +245,8 @@
         api.post_check(post_process.MustRun, 'gn'),
         api.post_check(post_process.MustRun, 'cmake'),
         api.post_check(post_process.MustRun, 'soong'),
+        api.post_check(
+            post_process.PropertyEquals, 'deps', ['pw_analog', 'pw_string']
+        ),
         api.post_process(post_process.DropExpectation),
     )