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#!/bin/bash
set -ex
if [ "$READ_ONLY_SRC" = "0" ]; then
# `core::builder::tests::ci_rustc_if_unchanged_logic` bootstrap test ensures that
# "download-rustc=if-unchanged" logic don't use CI rustc while there are changes on
# compiler and/or library. Here we are adding a dummy commit on compiler and running
# that test to make sure we never download CI rustc with a change on the compiler tree.
echo "" >> ../compiler/rustc/src/main.rs
git config --global user.email "dummy@dummy.com"
git config --global user.name "dummy"
git add ../compiler/rustc/src/main.rs
git commit -m "test commit for rust.download-rustc=if-unchanged logic"
DISABLE_CI_RUSTC_IF_INCOMPATIBLE=0 ../x.py test bootstrap \
-- core::builder::tests::ci_rustc_if_unchanged_logic
# Revert the dummy commit
git reset --hard HEAD~1
fi
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