[eclipse-iceoryx#60] integrate miri in ci with an allow list

Author: xieyuschen

.github/workflows/miri-check.yml

@@ -0,0 +1,21 @@
+name: Miri
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main, release* ]
+
+jobs:
+  miri:
+    name: "Miri"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Miri
+        run: |
+          rustup toolchain install nightly --component miri
+          rustup override set nightly
+          cargo miri setup
+      - name: Test with Miri
+        run: ./internal/scripts/ci_run_miri.sh  

.miri_allowlist

@@ -0,0 +1,8 @@
+# .miri_allowlist use hash character to lead a comment
+# each line will be treated as a valid relative path to enter and run 'cargo miri test',
+# if it contains some changed files(added, copied and modified, deletion is excluded) in the PR.
+#
+# note that each line should end up with a newline character,
+# otherwise the ci shell will skip the last line
+iceoryx2-bb/testing
+# this line is put here to ensure each file path contains a newline char, don't remove it 

internal/scripts/ci_run_miri.sh

@@ -0,0 +1,37 @@
+# Copyright (c) 2024 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache Software License 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+# which is available at https://opensource.org/licenses/MIT.
+#
+# SPDX-License-Identifier: Apache-2.0 OR MIT
+
+filename=".miri_allowlist"
+while IFS= read -r line; do
+if [[ "$line" == \#* ]]; then
+    continue
+fi          
+
+
+# set contains all changed files comparing to the $TARGET_BRANCH_COMMIT
+changes=$(git --no-pager diff --diff-filter=ACM --name-only $TARGET_BRANCH_COMMIT)
+if [[ -z $changes ]]; then
+    # when it's not a pull request,
+    # the $TARGET_BRANCH_COMMIT will be empty so changes is empty as well,
+    # skip running 'cargo miri test' as it doesn't make sense.
+    exit 0 
+fi
+
+if echo "$changes" | grep -q "$line"; then
+    cd "$line" || { echo "Failed to change directory to $line"; exit 1; }
+    echo "Run cargo miri test under: $(pwd)"
+    cargo miri test
+    cd -
+else
+    echo "skip $line because the PR doesn't touch its files"
+fi
+done < "$filename"