From 2e64b7a1cf12527d8e1d6d661ecf4d28225c887f Mon Sep 17 00:00:00 2001
From: Catena cyber <35799796+catenacyber@users.noreply.github.com>
Date: Sun, 21 Mar 2021 07:34:36 +0100
Subject: Wasmtime: remaps for coverage (#5392)

* Wasmtime: remaps for coverage

* right loop fixup

* Adding a comment
---
 projects/wasmtime/build.sh | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'projects')

diff --git a/projects/wasmtime/build.sh b/projects/wasmtime/build.sh
index d302851aa..38a9e6291 100755
--- a/projects/wasmtime/build.sh
+++ b/projects/wasmtime/build.sh
@@ -26,6 +26,13 @@ build() {
   shift
   PROJECT_DIR=$SRC/$project
 
+  # ensure we get absolute paths for the coverage report
+  cd $PROJECT_DIR
+  crate_src_abspath=`cargo metadata --no-deps --format-version 1 | jq -r '.workspace_root'`
+  while read i; do
+    export RUSTFLAGS="$RUSTFLAGS --remap-path-prefix $i=$crate_src_abspath/$i"
+  done <<< "$(find . -name "*.rs" | cut -d/ -f2 | uniq)"
+
   cd $PROJECT_DIR/fuzz && cargo fuzz build -O --debug-assertions "$@"
 
   FUZZ_TARGET_OUTPUT_DIR=$PROJECT_DIR/target/x86_64-unknown-linux-gnu/release
-- 
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