buildbuddy.yaml: Add and invoke //:checkout_modules sh_binary tar…

…get to support submodules.

BUILD

@@ -1153,6 +1153,11 @@ genrule(
 # ==============
 # end from envoy
 
+sh_binary(
+    name = "checkout_modules",
+    srcs = ["_checkout_modules.sh"],
+)
+
 genrule(
     name = "stamp_cpp",
     outs = ["stamp.cpp"],

_checkout_modules.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# For use with CI that does not support git submodules (e.g. if it needs to be run with bazel run).
+git describe
+git submodule update --init

buildbuddy.yaml

@@ -9,6 +9,7 @@ actions:
         branches:
           - "*"
     bazel_commands:
+      - "run --config=remote :checkout_modules"
       - "test --config=remote //:util_test" # <-- main modification here: --config=remote as a default for buildbuddy.yaml; also currently testing even //:all is broken (because it tries to compile macclipboard.m), much less //...
 
   - name: "Build main binary"
@@ -20,4 +21,5 @@ actions:
         branches:
           - "*"
     bazel_commands:
+      - "run --config=remote :checkout_modules"
       - "build --config=remote :yatc"