Add a rule for building a source archive

that includes the external dependencies

BUILD.bazel

@@ -9,7 +9,7 @@ load("//bazel/elixir:iex_eval.bzl", "iex_eval")
 load(":rabbitmq_home.bzl", "rabbitmq_home")
 load(":rabbitmq_run.bzl", "rabbitmq_run", "rabbitmq_run_command")
 load(":rabbitmqctl.bzl", "rabbitmqctl")
-load(":dist.bzl", "package_generic_unix")
+load(":dist.bzl", "package_generic_unix", "source_archive")
 load(":rabbitmq.bzl", "all_plugins")
 
 exports_files([
@@ -94,6 +94,8 @@ iex_eval(
 
 package_generic_unix(PLUGINS)
 
+source_archive(PLUGINS + ["//deps/rabbitmq_cli:rabbitmqctl"])
+
 genrule(
     name = "test-logs",
     outs = ["open-test-logs.sh"],

deps/rabbitmq_cli/BUILD.bazel

@@ -1,3 +1,4 @@
+load("@bazel_skylib//rules:select_file.bzl", "select_file")
 load(":rabbitmqctl.bzl", "rabbitmqctl")
 load(":rabbitmqctl_test.bzl", "rabbitmqctl_test")
 load("//:rabbitmq_home.bzl", "rabbitmq_home")
@@ -13,12 +14,20 @@ rabbitmqctl(
     ] + glob([
         "lib/**/*.ex",
     ]),
+    license_files = glob(["LICENSE*"]),
     visibility = ["//visibility:public"],
     deps = [
         "//deps/rabbit_common:erlang_app",
     ],
 )
 
+select_file(
+    name = "fetched_srcs",
+    srcs = ":rabbitmqctl",
+    subpath = "deps.tar",
+    visibility = ["//visibility:public"],
+)
+
 rabbitmq_home(
     name = "broker-for-cli-tests-home",
     testonly = True,

deps/rabbitmq_cli/rabbitmqctl.bzl

@@ -43,7 +43,7 @@ def _impl(ctx):
     escript = ctx.actions.declare_file(path_join("escript", "rabbitmqctl"))
     ebin = ctx.actions.declare_directory("ebin")
     mix_invocation_dir = ctx.actions.declare_directory("{}_mix".format(ctx.label.name))
-    fetched_srcs = ctx.actions.declare_directory("fetched_srcs")
+    fetched_srcs = ctx.actions.declare_file("deps.tar")
 
     deps = flat_deps(ctx.attr.deps)
 
@@ -67,7 +67,7 @@ else
 fi
 ABS_EBIN_DIR=$PWD/{ebin_dir}
 ABS_ESCRIPT_PATH=$PWD/{escript_path}
-ABS_FETCHED_SRCS_DIR=$PWD/{fetched_srcs}
+ABS_FETCHED_SRCS=$PWD/{fetched_srcs}
 
 export PATH="$ABS_ELIXIR_HOME"/bin:"{erlang_home}"/bin:${{PATH}}
 
@@ -101,7 +101,12 @@ cp escript/rabbitmqctl ${{ABS_ESCRIPT_PATH}}
 cp _build/${{MIX_ENV}}/lib/rabbitmqctl/ebin/* ${{ABS_EBIN_DIR}}
 cp _build/${{MIX_ENV}}/lib/rabbitmqctl/consolidated/* ${{ABS_EBIN_DIR}}
 
-cp -r deps/* ${{ABS_FETCHED_SRCS_DIR}}
+tar --sort=name \\
+    --owner=root:0 \\
+    --group=root:0 \\
+    --mtime='UTC 2019-01-01' \\
+    --file ${{ABS_FETCHED_SRCS}} \\
+    --create deps
 
 # remove symlinks from the _build directory since it
 # is not used, and bazel does not allow them
@@ -145,15 +150,16 @@ find . -type l -delete
     return [
         DefaultInfo(
             executable = escript,
-            files = depset([ebin]),
+            files = depset([ebin, fetched_srcs]),
             runfiles = runfiles,
         ),
         ErlangAppInfo(
-            app_name = ctx.attr.name,
+            app_name = "rabbitmq_cli",
             include = [],
             beam = [ebin],
             priv = [],
-            srcs = ctx.files.srcs + [fetched_srcs],
+            license_files = ctx.files.license_files,
+            srcs = ctx.files.srcs,
             deps = deps,
         ),
     ]
@@ -161,9 +167,19 @@ find . -type l -delete
 rabbitmqctl_private = rule(
     implementation = _impl,
     attrs = {
-        "is_windows": attr.bool(mandatory = True),
-        "srcs": attr.label_list(allow_files = True),
-        "deps": attr.label_list(providers = [ErlangAppInfo]),
+        "is_windows": attr.bool(
+            mandatory = True,
+        ),
+        "srcs": attr.label_list(
+            mandatory = True,
+            allow_files = True,
+        ),
+        "license_files": attr.label_list(
+            allow_files = True,
+        ),
+        "deps": attr.label_list(
+            providers = [ErlangAppInfo],
+        ),
     },
     toolchains = [
         "//bazel/elixir:toolchain_type",

dist.bzl

@@ -7,6 +7,7 @@ load(
     "erlang_dirs",
     "maybe_install_erlang",
 )
+load("@rules_erlang//:source_tree.bzl", "source_tree")
 load(
     ":rabbitmq_home.bzl",
     "RABBITMQ_HOME_ATTRS",
@@ -282,3 +283,45 @@ def package_generic_unix(plugins):
             "//deps/rabbit:manpages-dir",
         ],
     )
+
+# This macro must be invoked from the top level BUILD.bazel of rabbitmq-server
+def source_archive(plugins):
+    source_tree(
+        name = "source-tree",
+        deps = plugins,
+    )
+
+    native.filegroup(
+        name = "root-licenses",
+        srcs = native.glob(["LICENSE*"]),
+        visibility = ["//visibility:public"],
+    )
+
+    pkg_tar(
+        name = "deps-archive",
+        srcs = [
+            ":source-tree",
+        ],
+        package_dir = "deps",
+        strip_prefix = "source-tree",
+    )
+
+    pkg_tar(
+        name = "cli-deps-archive",
+        deps = [
+            "//deps/rabbitmq_cli:fetched_srcs",
+        ],
+        package_dir = "deps/rabbitmq_cli",
+    )
+
+    pkg_tar(
+        name = "source_archive",
+        srcs = [
+            ":root-licenses",
+        ],
+        deps = [
+            ":deps-archive",
+            ":cli-deps-archive",
+        ],
+        visibility = ["//visibility:public"],
+    )