Use filegroup() internally instead of pkg_files()

pkg_files() has some odd quirks, like breaking if a filename exists in multiple directories.  filegroup() does everything we need, without these quirks.

PiperOrigin-RevId: 547523447

BUILD

@@ -54,7 +54,6 @@ load(
     "//bazel:amalgamation.bzl",
     "upb_amalgamation",
 )
-load("@rules_pkg//:mappings.bzl", "pkg_files")
 # end:github_only
 
 # begin:google_only
@@ -1133,33 +1132,24 @@ exports_files(
 )
 
 filegroup(
-    name = "cmake_files",
-    srcs = glob([
-        "upb/**/*",
-        "third_party/**/*",
-    ]),
-    visibility = ["//cmake:__pkg__"],
-)
-
-
-pkg_files(
-   name = "upb_source_files",
-   srcs = glob(
-       [
-           "upb/**/*.c",
-           "upb/**/*.h",
-           "upb/**/*.hpp",
-           "upb/**/*.inc",
-      ],
-       exclude = [
-           "upb/**/conformance_upb.c",
-           "upb/reflection/stage0/**/*",
+    name = "source_files",
+    srcs = glob(
+        [
+            "upb/**/*.c",
+            "upb/**/*.h",
+            "upb/**/*.hpp",
+            "upb/**/*.inc",
        ],
-   ),
-   strip_prefix = "",
-   visibility = ["//python/dist:__pkg__"],
+        exclude = [
+            "upb/**/conformance_upb.c",
+            "upb/reflection/stage0/**/*",
+        ],
+    ),
+    visibility = [
+        "//cmake:__pkg__",
+        "//python/dist:__pkg__",
+    ]
 )
-
 # end:github_only
 
 # begin:google_only

cmake/BUILD.bazel

@@ -99,9 +99,9 @@ sh_test(
     data = [
         ":copy_protos",
         ":gen_cmakelists",
-        "//:cmake_files",
-        "//upb/mini_descriptor:cmake_files",
-        "//upb/mini_table:cmake_files",
+        "//:source_files",
+        "//upb/mini_descriptor:source_files",
+        "//upb/mini_table:source_files",
         "@utf8_range//:utf8_range_srcs",
     ],
     target_compatible_with = select({

python/BUILD

@@ -187,11 +187,6 @@ _message_target_compatible_with = {
    "//conditions:default": [],
 }
 
-pkg_files(
-   name = "message_extension",
-   srcs = [":message_srcs"],
-   prefix = "python/",
-)
 # end:github_only
 # begin:google_only
 # _message_target_compatible_with = {

python/dist/BUILD.bazel

@@ -212,18 +212,17 @@ pkg_tar(
         ":generated_wkt_compiler",
         ":utf8_range_source_files",
         "//:LICENSE",
-        "//:upb_source_files",
-        "//python:message_extension",
-        "//upb/mini_descriptor:internal_source_files",
+        "//:source_files",
+        "//python:message_srcs",
         "//upb/mini_descriptor:source_files",
-        "//upb/mini_table:internal_source_files",
         "//upb/mini_table:source_files",
-        "//upb/util:util_source_files",
+        "//upb/util:source_files",
         "@com_google_protobuf//python:python_source_files",
     ],
     extension = "tar.gz",
     package_dir = "protobuf",
     package_file_name = "protobuf.tar.gz",
+    strip_prefix = ".",
     target_compatible_with = select({
         "@system_python//:none": ["@platforms//:incompatible"],
         "//conditions:default": [],

upb/mini_descriptor/BUILD

@@ -4,10 +4,6 @@ load(
     "UPB_DEFAULT_CPPOPTS",
 )
 
-# begin:github_only
-load("@rules_pkg//:mappings.bzl", "pkg_files")
-# end:github_only
-
 cc_library(
     name = "internal",
     srcs = [
@@ -88,39 +84,16 @@ cc_test(
 
 # begin:github_only
 filegroup(
-    name = "cmake_files",
-    srcs = glob(
-        [
-            "**/*.c",
-            "**/*.h",
-        ],
-    ),
-    visibility = ["//cmake:__pkg__"],
-)
-
-pkg_files(
     name = "source_files",
     srcs = glob(
         [
             "**/*.c",
             "**/*.h",
         ],
-        exclude = ["internal/**"],
-    ),
-    prefix = "upb/mini_descriptor",
-    visibility = ["//python/dist:__pkg__"],
-)
-
-pkg_files(
-    name = "internal_source_files",
-    srcs = glob(
-        [
-            "internal/*.c",
-            "internal/*.h",
-        ],
-        exclude = ["encode_test.cc"],
     ),
-    prefix = "upb/mini_descriptor/internal",
-    visibility = ["//python/dist:__pkg__"],
+    visibility = [
+        "//cmake:__pkg__",
+        "//python/dist:__pkg__",
+    ]
 )
 # end:github_only

upb/mini_table/BUILD

@@ -28,10 +28,6 @@ load(
     "UPB_DEFAULT_COPTS",
 )
 
-# begin:github_only
-load("@rules_pkg//:mappings.bzl", "pkg_files")
-# end:github_only
-
 cc_library(
     name = "mini_table",
     srcs = [
@@ -80,40 +76,17 @@ cc_library(
 
 # begin:github_only
 filegroup(
-    name = "cmake_files",
-    srcs = glob(
-        [
-            "**/*.c",
-            "**/*.h",
-        ],
-        exclude = ["encode_test.cc"],
-    ),
-    visibility = ["//cmake:__pkg__"],
-)
-
-pkg_files(
     name = "source_files",
     srcs = glob(
         [
             "**/*.c",
             "**/*.h",
         ],
-        exclude = ["internal/**", "encode_test.cc"],
-    ),
-    prefix = "upb/mini_table",
-    visibility = ["//python/dist:__pkg__"],
-)
-
-pkg_files(
-    name = "internal_source_files",
-    srcs = glob(
-        [
-            "internal/*.c",
-            "internal/*.h",
-        ],
         exclude = ["encode_test.cc"],
     ),
-    prefix = "upb/mini_table/internal",
-    visibility = ["//python/dist:__pkg__"],
+    visibility = [
+        "//cmake:__pkg__",
+        "//python/dist:__pkg__",
+    ]
 )
 # end:github_only

upb/util/BUILD

@@ -4,10 +4,6 @@ load(
     "upb_proto_reflection_library",
 )
 
-# begin:github_only
-load("@rules_pkg//:mappings.bzl", "pkg_files")
-# end:github_only
-
 # begin:google_only
 # package(default_applicable_licenses = ["//:license"])
 # end:google_only
@@ -165,8 +161,8 @@ cc_test(
 )
 
 # begin:github_only
-pkg_files(
-    name = "util_source_files",
+filegroup(
+    name = "source_files",
     srcs = [
         "compare.c",
         "compare.h",
@@ -175,7 +171,6 @@ pkg_files(
         "required_fields.c",
         "required_fields.h",
     ],
-    prefix = "upb/util",
     visibility = ["//python/dist:__pkg__"],
 )
 # end:github_only