feat: only deploy to internal testnet if version or genesis change

.github/workflows/cd-internal-testnet.yml

@@ -7,6 +7,25 @@ on:
       - completed
 
 jobs:
+  changes:
+    name: check for any deployment worthy changes
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: technote-space/get-diff-action@v6
+        with:
+          PATTERNS: ci/env/kava-internal-testnet/*.*
+          FILES: |
+            ci/env/kava-internal-testnet/genesis.json
+            ci/env/kava-internal-testnet/KAVA.VERSION
+      - name: set output
+        run: |
+            if [[ $GIT_DIFF = '' ]];
+            then
+                exit 1
+            else
+                echo "success"
+            fi
   # in order:
   # enter standby (prevents autoscaling group from killing node during deploy)
   # stop kava
@@ -15,7 +34,9 @@ jobs:
   # reset application database state (only done on internal testnet)
   reset-chain-to-zero-state:
     # only start cd pipeline if last ci run was successful
-    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    # and there are changes that need to be deployed
+    if: ${{ github.event.workflow_run.conclusion == 'success' && contains(needs.changes.result, 'success') }}
+    needs: [changes]
     uses: ./.github/workflows/cd-reset-internal-testnet.yml
     with:
       aws-region: us-east-1

ci/env/kava-internal-testnet/KAVA.VERSION

@@ -0,0 +1 @@
+6a1438fbe90dda2639f615260ad6562d594d4aee