ci: dump endpoint hostnames as hex (temp)

Author: nichu42

.github/workflows/diag-hex.yml

@@ -0,0 +1,20 @@
+name: Reveal site endpoint hostname
+
+on:
+  workflow_dispatch:
+
+jobs:
+  reveal:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Dump hostname as hex/dec (masking-proof)
+        env:
+          SITE: ${{ secrets.HOMEPAGE_BUNNY_S3_ENDPOINT }}
+          SHARE: ${{ secrets.BUNNY_S3_ENDPOINT }}
+        run: |
+          SITE_HOST=$(echo "$SITE" | sed -E 's#^https?://##; s#[/:].*##')
+          SHARE_HOST=$(echo "$SHARE" | sed -E 's#^https?://##; s#[/:].*##')
+          echo "site host hex: $(printf '%s' "$SITE_HOST" | od -An -tx1 | tr -d ' \n')"
+          echo "site host len: ${#SITE_HOST}"
+          echo "share host hex: $(printf '%s' "$SHARE_HOST" | od -An -tx1 | tr -d ' \n')"
+          echo "share host len: ${#SHARE_HOST}"