filter pruneable deployments based on PR number

.github/scripts/prune-deployment.sh

@@ -10,7 +10,7 @@ DELETE_DEPLOYMENTS_ENDPOINT="https://api.vercel.com/v13/deployments"
 deployments=$(curl -s -X GET "$GET_DEPLOYMENTS_ENDPOINT/?projectId=$VERCEL_PROJECT_ID&teamId=$VERCEL_ORG_ID" -H "Authorization: Bearer $VERCEL_TOKEN ")
 
 # Filter the deployments list by meta.base_hash === meta tag.
-filtered_deployments=$(echo $deployments | jq --arg META_TAG "$META_TAG" '[.deployments[] | select(.meta.base_hash | type == "string" and contains($META_TAG)) | .uid] | join(",")')
+filtered_deployments=$(echo $deployments | jq --arg META_TAG "$META_TAG" '[.deployments[] | select(.meta.pr_number | type == "string" and contains($META_TAG)) | .uid] | join(",")')
 filtered_deployments="${filtered_deployments//\"/}" # Remove double quotes
 
 # Clears the values from filtered_deployments

.github/workflows/delete-preview.yml

@@ -25,20 +25,8 @@ jobs:
           fetch-depth: 2
           show-progress: false
 
-      - name: Extract branch name
-        shell: bash
-        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
-        id: extract_branch
-
-      - name: Hash branch name
-        uses: pplanel/hash-calculator-action@v1.3.1
-        id: hash_branch
-        with:
-          input: ${{ steps.extract_branch.outputs.branch }}
-          method: MD5
-
       - name: Prune preview deployments associated with merged PR
         env:
-          META_TAG: ${{ steps.hash_branch.outputs.digest }}
+          META_TAG: ${{ github.event.number }}
         run: |
           bash .github/scripts/prune-deployment.sh