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* grub-core/commands/configfile.c (grub_cmd_source): Implement extractor variants. (GRUB_MOD_INIT): Register new variants. (GRUB_MOD_FINI): Unregister new variants. * grub-core/commands/legacycfg.c (grub_cmd_legacy_configfile): Merge into grub_cmd_legacy_source. (grub_cmd_legacy_source): Implement extractor variants. (GRUB_MOD_INIT): Register new variants. (GRUB_MOD_FINI): Unregister new variants. * grub-core/commands/menuentry.c (grub_menu_init): Declare menuentry as an extractor. * grub-core/commands/search_wrap.c (GRUB_MOD_INIT): Declare search as an extractor. * grub-core/commands/test.c (GRUB_MOD_INIT): Declare test as an extractor. * grub-core/kern/corecmd.c (grub_register_core_commands): Declare set as an extractor. * grub-core/normal/context.c (grub_env_context_open): Reorganised. (grub_env_new_context): New function. (grub_env_context_open): Likewise. (grub_env_extractor_open): Likewise. (grub_env_extractor_close): Likewise. * grub-core/script/execute.c (grub_script_execute_cmdline): Handle grub_extractor_level. * include/grub/command.h (GRUB_COMMAND_FLAG_EXTRACTOR): New flag. * include/grub/env.h (grub_env_extractor_open): New proto. (grub_env_extractor_close): Likewise. * include/grub/normal.h (grub_extractor_level): New external variable.
This is GRUB 2, the second version of the GRand Unified Bootloader. GRUB 2 is rewritten from scratch to make GNU GRUB cleaner, safer, more robust, more powerful, and more portable. See the file NEWS for a description of recent changes to GRUB 2. See the file INSTALL for instructions on how to build and install the GRUB 2 data and program files. Please visit the official web page of GRUB 2, for more information. The URL is <http://www.gnu.org/software/grub/grub.html>. More extensive documentation is available in the Info manual, accessible using 'info grub' after building and installing GRUB 2. Please look at the GRUB Wiki <http://grub.enbug.org> for testing procedures. There are a number of important user-visible differences from the first version of GRUB, now known as GRUB Legacy. For a summary, please see: info grub Introduction 'Changes from GRUB Legacy'