handle context cancelation

.gitea/workflows/gen_code.yml

@@ -1,34 +0,0 @@
-name: Generate check
-
-on:
-  push:
-    paths:
-      - '**/*_gen.go'
-  pull_request:
-    paths:
-      - '**/*_gen.go'
-
-jobs:
-  check-generate:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Save pre-generate git state
-        run: git status --porcelain > pre-generate.txt
-
-      - name: Run go generate
-        run: go generate ./...
-
-      - name: Save post-generate git state
-        run: git status --porcelain > post-generate.txt
-
-      - name: Check for changes
-        run: |
-          if ! diff pre-generate.txt post-generate.txt | grep .; then
-            echo "No files changed by go generate"
-          else
-            echo "go generate produced changes; commit those first" >&2
-            exit 1
-          fi