Fix purge_paths in sync-r2.sh by removing unnecessary leading slashes (#178)

* Correct cut command in sync-r2.sh

Fix cut command to use -c instead of --characters.

* Remove backslash in purged file name

* Quote purge_payload when echoing

Co-authored-by: Kamil Śliwak <kamil.sliwak@codepoets.it>

---------

Co-authored-by: Kamil Śliwak <kamil.sliwak@codepoets.it>

Author: marcocastignoli

sync-r2.sh

@@ -74,15 +74,18 @@ purge_paths=(
     "/soljson.js"
 )
 while IFS= read -r path; do
-    purge_paths+=("/${path}")
-done < <(find . \( -wholename '*/list.*' -o -wholename '*/*-latest' -o -wholename '*/*-latest.*' \) | cut --characters 2-)
+    purge_paths+=("${path}")
+done < <(find . \( -wholename '*/list.*' -o -wholename '*/*-latest' -o -wholename '*/*-latest.*' \) | cut -c 2-)
 
 purge_payload="$(jq --null-input \
     --arg host "https://${cloudflare_cache_host}" \
     '{"files": ($ARGS.positional | map($host + .))}' \
     --args -- "${purge_paths[@]}"
 )"
 
+# Print the payload to check purged files
+echo "$purge_payload"
+
 curl --fail --show-error --silent \
     -X POST "https://api.cloudflare.com/client/v4/zones/${cloudflare_zone_id}/purge_cache" \
     -H "Authorization: Bearer ${cloudflare_api_token}" \