/*
** Resolves a patch-command remote system name, accounting for patch
** aliases.
**
** If a VVAR table entry matching name='patch-alias:$zKey' is found,
** the corresponding value is returned, else a fossil_strdup() of zKey
** is returned.

*/
static char * patch_resolve_remote(const char *zKey){
  char * zAlias = db_text(0, "SELECT value FROM vvar "
                          "WHERE name = 'patch-alias:' || %Q",
                          zKey);
  return zAlias ? zAlias : fossil_strdup(zKey);
}

      }
    }else if( 0==strcmp("add", zArg) ){
      /* alias add localName remote */
      verify_all_options();
      if( 6!=g.argc ){
        usage("alias add localName remote");
      }
      db_unprotect(PROTECT_CONFIG);
      db_multi_exec("REPLACE INTO vvar (name, value) "
                    "VALUES ('patch-alias:%q', %Q)",
                    g.argv[4], g.argv[5]);
      db_protect_pop();
    }else if( 0==strcmp("rm", zArg) ){
      /* alias rm */
      const int fAll = 0!=find_option("all", 0, 0);
      verify_all_options();
      if( g.argc<5 ){
        usage("alias rm [-all] [aliasGlob [...aliasGlobN]]");
      }
      db_unprotect(PROTECT_CONFIG);

      if( 0!=fAll ){
        db_multi_exec("DELETE FROM vvar WHERE name GLOB 'patch-alias:*'");
      }else{
        Stmt q;
        int i;
        db_prepare(&q, "DELETE FROM vvar WHERE name "
                   "GLOB 'patch-alias:' || :pattern");
        for(i = 4; i < g.argc; ++i){
          db_bind_text(&q, ":pattern", g.argv[i]);
          db_step(&q);
          db_reset(&q);
        }
        db_finalize(&q);
      }
      db_protect_pop();
    }else{
    usage_patch_alias:
      usage("alias ls|list|add|rm ...");
    }
  }else
  if( strncmp(zCmd, "apply", n)==0 ){
    char *zIn;