feat(postgres-dump-zstd-via-docker-sock): 增强备份脚本的日志输出格式

postgres-dump-zstd-via-docker-sock.sh

@@ -159,20 +159,31 @@ log "preparing database backup at $backup_path via docker unix socket"
 
 cmd="set -o pipefail && pg_dumpall --username=\"\${POSTGRES_USER:-postgres}\" --clean | zstd > ${backup_path}"
 
+log_border="----------------------------------------------------------------------"
+
+printf '%s\n' "$log_border" >&2
 if ! docker_exec "$PG_CONTAINER_NAME" "$cmd"; then
+  printf '%s\n' "$log_border" >&2
   log "backup command failed"
   exit 1
 fi
+printf '%s\n' "$log_border" >&2
 
+printf '\n' >&2 # Add a blank line for visual grouping
 log "backup command finished, verifying file size inside container"
 
 verify_cmd="du -h \"${backup_path}\" 2>/dev/null | awk 'NR==1{print \$1}'"
-size=$(docker_exec "$PG_CONTAINER_NAME" "$verify_cmd" | tr -d '\r')
 
+printf '%s\n' "$log_border" >&2
+size=$(docker_exec "$PG_CONTAINER_NAME" "$verify_cmd" | tr -d '\r')
+printf '%s\n' "$log_border" >&2
+
+printf '\n' >&2 # Add a blank line for visual grouping
 if [ -n "$size" ]; then
   log "backup completed inside container: $backup_path ($size)"
 else
   log "backup completed, but could not determine file size inside container."
 fi
 
+printf '\n' >&2 # Add a blank line for visual grouping
 log "database backup finished"