cros_setup_toolchains: force rust-bootstrap to use slot 0
in order to generate rust-bootstrap prebuilts for 1.4{7,8,9}, we'll have
multiple stable rust-bootstrap versions in portage's package graph at
once. devs only need rust-bootstrap-1.46.0, which is in slot 0.
BUG=chromium:1185882
TEST=cros_setup_toolchains, sdk tryjob
Change-Id: I2ec049c92a55af02c7992dfda55fd5ef88afe196
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2775714
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: George Burgess <gbiv@chromium.org>
Tested-by: George Burgess <gbiv@chromium.org>
diff --git a/scripts/cros_setup_toolchains.py b/scripts/cros_setup_toolchains.py
index a96c229..57ebbbb 100644
--- a/scripts/cros_setup_toolchains.py
+++ b/scripts/cros_setup_toolchains.py
@@ -73,7 +73,7 @@
# build), so we have to delay their installation.
HOST_POST_CROSS_PACKAGES = (
'dev-lang/rust',
- 'dev-lang/rust-bootstrap',
+ 'dev-lang/rust-bootstrap:0',
'virtual/target-sdk-post-cross',
'dev-embedded/coreboot-sdk',
)