build: reduce output

Author: autumnjolitz

.github/workflows/development.yml

@@ -60,6 +60,11 @@ jobs:
         id: setup
         name: Setup
         run: |
+          DEBUG_OUTPUT=/dev/null
+          if [ x"${DEBUG_DOCKERD:-}" = x1 ]; then
+            DEBUG_OUTPUT="$GITHUB_STEP_SUMMARY"
+          fi
+
           setup_registry () {
             >/dev/null docker pull -q docker.io/library/registry:3
             registry_id=$(docker run \
@@ -89,11 +94,11 @@ jobs:
           }
 
           sudo apt-get -y install skopeo
-          setup_containerd_snapshotter | tee -a "$GITHUB_STEP_SUMMARY"
+          setup_containerd_snapshotter | tee -a "$DEBUG_OUTPUT"
           {
             printf '## Registry info:\n\n'
             setup_registry | tee -a "$GITHUB_OUTPUT"
-          } | tee -a "$GITHUB_STEP_SUMMARY"
+          } | tee -a "$DEBUG_OUTPUT"
 
       -
         name: Set up QEMU
@@ -264,7 +269,8 @@ jobs:
             >&2 printf 'pulled %s (%s)\n' "$IMAGE_TAG" "$platform"
           done
           {
-            printf '## images\n\n```'
+            printf '# Test\n\n'
+            printf '## Source Images\n\n```'
             docker images --tree $IMAGE_URI | sed -r "s/\x1B\[([0-9]{1,3}(;[0-9]{1,2};?)?)?[mGK]//g"
             printf '\n```\n'
           } | tee -a "$GITHUB_STEP_SUMMARY"