build_packages: log PORTAGE_BINHOST to make it easy to diagnose prebuilt issues on ci builders
BUG=chromium:947238
TEST=`./build_packages --board=eve` shows the log
Change-Id: I7c267bdc41e5ccf1077efc6cc629ec8971bedaac
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/1553467
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Reviewed-by: LaMont Jones <lamontjones@chromium.org>
Tested-by: Ned Nguyen <nednguyen@google.com>
diff --git a/build_packages b/build_packages
index 39da7ee..095b1fa 100755
--- a/build_packages
+++ b/build_packages
@@ -168,6 +168,9 @@
setup_board --quiet --board=${FLAGS_board} "${UPDATE_ARGS[@]}"
sudo_clear_shadow_locks "/build/${FLAGS_board}"
+PORTAGE_BINHOST=$(portageq-${FLAGS_board} envvar 'PORTAGE_BINHOST')
+info "PORTAGE_BINHOST: ${PORTAGE_BINHOST}"
+
# Setup all the emerge command/flags.
EMERGE_FLAGS=( -uDNv --backtrack=30 --select --newrepo )
