fix(ci): update publish script (#8)

Author: ndbaker1

.github/workflows/publish-charts.yaml

@@ -6,10 +6,12 @@ on:
 jobs:
   publish-charts:
     runs-on: ubuntu-latest
+    if: github.repository == 'aws/eks-node-monitoring-agent'
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # 4.2.2
+      - name: "Checkout"
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # 4.2.2
         with:
-          ref: 'main'
+          fetch-depth: 0
       - name: "Setup Helm"
         uses: azure/setup-helm@b9e51907a09c216f16ebe8536097933489208112 # 4.3.0
       - name: "Publish Charts"

hack/publish-charts.sh

@@ -7,7 +7,24 @@ VERSION=$(git describe --tags --always)
 STAGING_DIR=${1:-${GIT_REPO_ROOT}}
 CHART_URL=${2:-https://aws.github.io/eks-node-monitoring-agent}
 
+git fetch --all
+git config user.email [email protected]
+git config user.name eks-bot
+
 helm package ${GIT_REPO_ROOT}/charts/* --destination ${STAGING_DIR} --dependency-update
+
+for bundle in ${STAGING_DIR}/*.tgz; do
+    if git cat-file -e origin/gh-pages:${bundle}; then
+        echo "⏩ Release already exists for ${bundle}"
+        rm -f ${bundle}
+    fi
+done
+
+if ! ls ${STAGING_DIR}/*.tgz; then
+    echo "⏩ No changes to be staged"
+    exit 0
+fi
+
 git checkout gh-pages
 mv ${STAGING_DIR}/*.tgz .
 helm repo index . --url ${CHART_URL}