**
*/
void zip_of_checkin(
  int rid,            /* The RID of the checkin to construct the ZIP archive from */
  Blob *pZip,         /* Write the ZIP archive content into this blob */
  const char *zDir,   /* Top-level directory of the ZIP archive */
  Glob *pInclude,     /* Only include files that match this pattern */
  Glob *pExclude      /* Exclude files that match this pattern */ 
){
  Blob mfile, hash, file;
  Manifest *pManifest;
  ManifestFile *pFile;
  Blob filename;
  int nPrefix;