From 59b5728c0c182e1df99bd62fdf9fc43151dce8b8 Mon Sep 17 00:00:00 2001
From: Tiziano Santoro <tzn@google.com>
Date: Tue, 9 Jun 2020 10:45:24 +0100
Subject: [PATCH] Pass `--remap-path-prefix` to cargo

This is meant to reduce nondeterminism across machines or docker vs host, but it does not seem to fully
solve the problem yet (it does remove some paths from the resulting
binary, so I think it is necessary, but not sufficient).

Ref #865
---
 scripts/common | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scripts/common b/scripts/common
index 47bcbbc7383..4b2ac12a3aa 100644
--- a/scripts/common
+++ b/scripts/common
@@ -10,6 +10,9 @@ set -o pipefail
 # https://docs.rs/env_logger
 export RUST_LOG="${RUST_LOG:-info}"
 
+# Reduce build nondeterminism by remapping paths so that they don't include local segments.
+export RUSTFLAGS="--remap-path-prefix=$PWD=/"
+
 # See https://pantheon.corp.google.com/gcr/images/oak-ci/GLOBAL/oak
 readonly DOCKER_IMAGE_NAME='gcr.io/oak-ci/oak'
 readonly SERVER_DOCKER_IMAGE_NAME='gcr.io/oak-ci/oak-server'