escape single quotes when executing bash from perl

Author: galargh

.github/workflows/copy-workflow.yml

@@ -112,7 +112,7 @@ jobs:
         github="{\"default_branch\":\"${{ env.DEFAULT_BRANCH }}\"}"
         context="{\"config\":$config,\"github\":$github}"
         regexp='\$\{\{\{\s*(.*?)\s*\}\}\}'
-        replacement="\`echo '$context' | jq -jc '.\$1'\`"
+        replacement="\$filter = \".\$1\"; \$filter =~ s/'/'\"'\"'/g; \`echo '${context//\'/\'\"\'\"\'}' | jq -jc '\$filter'\`"
         for f in $(jq -r '.[]' <<< ${{ toJson(env.FILES) }}); do
           echo -e "\nProcessing $f."
           # add DO NOT EDIT header