preparing for aarch64 tests

ci/test

@@ -8,22 +8,23 @@ _build_and_file() {
         tee /dev/stderr
 }
 
-_test() {
+_run() {
+    >&2 echo "  $*"
+    "$@"
+}
+
+_build() {
     local name=$1
     local glob=$2
     shift; shift;
     >&2 echo "================================================================"
     >&2 echo "Building everything under //test/... for $name"
     >&2 echo
-    >&2 echo "  bazel build --color=yes --curses=yes $* //test/..."
-    >&2 echo
-    bazel build --color=yes --curses=yes "$@" //test/...
+    _run bazel build --color=yes --curses=yes "$@" //test/...
     >&2 echo
     >&2 echo "Testing $name and looking for '$glob':"
     >&2 echo
-    >&2 echo "  bazel build $* //test/go:go"
-    >&2 echo
-    if _build_and_file "$@" //test/go:go | grep -q "$glob"; then
+    if _run _build_and_file "$@" //test/go:go | grep -q "$glob"; then
         >&2 echo "OK $name"
         return 0
     else
@@ -32,33 +33,33 @@ _test() {
     fi
 }
 
-_test "Host" \
+_build "Host" \
     "ELF 64-bit.* x86-64.* dynamically linked"
 
-_test "darwin_amd64" \
+_build "darwin_amd64" \
   "Mach-O 64-bit x86_64 executable" \
     --platforms @zig_sdk//:darwin_amd64_platform
 
 # hello world on darwin/arm64 requires OSX SDK via `zig cc --sysroot=<...>`.
 # see https://github.com/ziglang/zig/issues/10299#issuecomment-989595215
-#_test "darwin_arm64" \
+#_build "darwin_arm64" \
 #    "Mach-O 64-bit arm64 executable" \
 #    --platforms @zig_sdk//:darwin_arm64_platform
 
-_test "linux_amd64_gnu" \
+_build "linux_amd64_gnu" \
     "ELF 64-bit.* x86-64.* dynamically linked" \
     --platforms @zig_sdk//:linux_amd64_platform
 
-_test "linux_amd64_musl" \
+_build "linux_amd64_musl" \
     "ELF 64-bit.* x86-64.* statically linked" \
     --platforms @zig_sdk//:linux_amd64_platform \
     --extra_toolchains @zig_sdk//:linux_amd64_musl_toolchain
 
-_test "linux_arm64_gnu" \
+_build "linux_arm64_gnu" \
     "ELF 64-bit.* ARM aarch64.* dynamically linked" \
     --platforms @zig_sdk//:linux_arm64_platform
 
-_test "linux_arm64_musl" \
+_build "linux_arm64_musl" \
     "ELF 64-bit.* ARM aarch64.* statically linked" \
     --platforms @zig_sdk//:linux_arm64_platform \
     --extra_toolchains @zig_sdk//:linux_arm64_musl_toolchain