chore: Add dry-run script

Author: zguesmi

.github/workflows/upgrade-facets.yml

@@ -66,7 +66,7 @@ jobs:
           elif [ "${{ inputs.network }}" == "arbitrum" ]; then
             export ARBITRUM_FORK=true
           fi
-          npx hardhat run scripts/upgrades/${{ env.UPGRADE_SCRIPT }} --network hardhat
+          UPGRADE_SCRIPT=${{ env.UPGRADE_SCRIPT }} bash ./scripts/upgrades/dry-run.sh
 
       - name: Execute upgrade on live network
         if: inputs.dry-run == false

scripts/upgrades/dry-run.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+
+# Usage:
+#   ARBITRUM_SEPOLIA_FORK=true UPGRADE_SCRIPT=<script_name> bash ./scripts/upgrades/dry-run.sh
+#   ARBITRUM_FORK=true UPGRADE_SCRIPT=<script_name> bash ./scripts/upgrades/dry-run.sh
+
+
+DEPLOYMENTS_FOLDER=''
+if [ "${ARBITRUM_SEPOLIA_FORK}" == "true" ]; then
+    DEPLOYMENTS_FOLDER=arbitrumSepolia
+elif [ "${ARBITRUM_FORK}" == "true" ]; then
+    DEPLOYMENTS_FOLDER=arbitrum
+fi
+
+rm -rf deployments/hardhat
+cp -r deployments/${DEPLOYMENTS_FOLDER} deployments/hardhat
+cp .gitignore .gitignore.bak
+sed -i '/deployments\/hardhat/d' .gitignore
+git add deployments/hardhat
+npx hardhat run scripts/upgrades/${UPGRADE_SCRIPT} --network hardhat
+# Print the changes made during the dry run
+git --no-pager diff --name-status
+mv .gitignore.bak .gitignore