support action input for release draft body

action.yaml

@@ -11,13 +11,20 @@ inputs:
       By default excludes 📦📝👻🚦 under the assumption these do not normally merit a release.
       An output of interesting = true/false will be set, the 'workflow_dispatch' (explicit release) is always 'interesting'.
     default: '[💥🚨🎉🐛⚠🚀🌐👷]|:(boom|tada|construction_worker):'
+  RELEASE_DRAFT_BODY:
+    required: false
+    description: |
+      Release draft body produced by `release-drafter/release-drafter` action; defaults to looking for a draft release named `next`
+    default: ""
 outputs:
   interesting:
     description: whether the category is interesting or not, true / false will be the result
     value: ${{ steps.interesting-category.outputs.interesting }}
 runs:
   using: composite
-  steps: 
+  steps:
     - run: GITHUB_TOKEN=${{ inputs.GITHUB_TOKEN }} INTERESTING_CATEGORIES='${{ inputs.INTERESTING_CATEGORIES }}' $GITHUB_ACTION_PATH/run.sh
       id: interesting-category
       shell: bash
+      env:
+        RELEASE_DRAFT_BODY: ${{ inputs.RELEASE_DRAFT_BODY }}

run.sh

@@ -2,7 +2,11 @@
 set -euxo pipefail
 if [ $GITHUB_EVENT_NAME = check_run ]
 then
-    RESULT=$(gh api /repos/$GITHUB_REPOSITORY/releases | jq -e -r '.[] | select(.draft == true and .name == "next") | .body' | egrep "$INTERESTING_CATEGORIES" || echo 'failed')
+    if [ -z "$RELEASE_DRAFT_BODY" ]; then
+        RELEASE_DRAFT_BODY="$(gh api /repos/$GITHUB_REPOSITORY/releases | jq -e -r '.[] | select(.draft == true and .name == "next") | .body')"
+    fi
+
+    RESULT=$(echo "$RELEASE_DRAFT_BODY" | egrep "$INTERESTING_CATEGORIES" || echo 'failed')
     if [[ $RESULT != 'failed' ]]; then
       echo "::set-output name=interesting::true"
     else