Adds working example usage for BCR (#56)

* Adds working example usage for BCR

We need this target to exist to ensure that the rule can run during BCR validation

Signed-off-by: Maxwell Elliott <maxwell@elliott.now>

* update CI

Signed-off-by: Maxwell Elliott <maxwell@elliott.now>

---------

Signed-off-by: Maxwell Elliott <maxwell@elliott.now>

Author: maxwellE

.github/workflows/ci.yaml

@@ -26,7 +26,7 @@ jobs:
       - name: Build sourcekit-bazel-bsp (release)
         run: swift build -c release
       - name: Build sourcekit-bazel-bsp (Bazel)
-        run: bazelisk build //Sources/sourcekit-bazel-bsp
+        run: bazelisk run //:setup_sourcekit_bsp
       - name: Build example //HelloWorld iOS app
         run: |
           cd Example

BUILD.bazel

@@ -0,0 +1,15 @@
+""" Sets up the sourcekit-bazel-bsp in the current workspace using the provided configuration. This is needed during integration testing in the BCR """
+
+load("@sourcekit_bazel_bsp//rules:setup_sourcekit_bsp.bzl", "setup_sourcekit_bsp")
+
+setup_sourcekit_bsp(
+    name = "setup_sourcekit_bsp",
+    bazel_wrapper = "bazel",
+    files_to_watch = ["Sources/**/*.swift"],
+    index_flags = [],
+    targets = [
+        "//Sources/sourcekit-bazel-bsp",
+        "//Sources/SourceKitBazelBSP",
+        "//Sources/BazelProtobufBindings",
+    ],
+)

MODULE.bazel.lock

@@ -16,7 +16,7 @@ def _setup_sourcekit_bsp_impl(ctx):
     for index_flag in ctx.attr.index_flags:
         bsp_config_argv.append("--index-flag")
         bsp_config_argv.append(index_flag)
-    files_to_watch = ','.join(ctx.attr.files_to_watch)
+    files_to_watch = ",".join(ctx.attr.files_to_watch)
     if files_to_watch:
         bsp_config_argv.append("--files-to-watch")
         bsp_config_argv.append(files_to_watch)
@@ -49,7 +49,6 @@ def _setup_sourcekit_bsp_impl(ctx):
         runfiles = tools_runfiles,
     )
 
-
 setup_sourcekit_bsp = rule(
     implementation = _setup_sourcekit_bsp_impl,
     executable = True,
@@ -90,10 +89,10 @@ setup_sourcekit_bsp = rule(
         "build_test_suffix": attr.string(
             doc = "The expected suffix for build_test targets.",
             default = "_skbsp",
-        )
+        ),
         "separate_aquery_output": attr.bool(
             doc = "Whether to use a separate output base for compiler arguments requests. This greatly increases the performance of the server at the cost of more disk usage.",
             default = False,
-        )
+        ),
     },
 )