Rewrite grub-install, grub-mkrescue, grub-mkstandalone and grub-mknetdir

the function of these files exceeds what can be sanely handled in shell
	in posix-comaptible way. Also writing it in C extends the functionality
	to non-UNIX-like OS and minimal environments.

include/grub/emu/config.h

@@ -0,0 +1,48 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2013  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_CONFIG_EMU_HEADER
+#define GRUB_CONFIG_EMU_HEADER	1
+
+#include <grub/disk.h>
+#include <grub/partition.h>
+#include <grub/emu/hostfile.h>
+#include <stdio.h>
+
+const char *
+grub_util_get_config_filename (void);
+const char *
+grub_util_get_pkgdatadir (void);
+const char *
+grub_util_get_pkglibdir (void);
+const char *
+grub_util_get_localedir (void);
+
+struct grub_util_config
+{
+  int is_cryptodisk_enabled;
+  char *grub_distributor;
+};
+
+void
+grub_util_load_config (struct grub_util_config *cfg);
+
+void
+grub_util_parse_config (FILE *f, struct grub_util_config *cfg, int simple);
+
+#endif

include/grub/emu/getroot.h

@@ -20,8 +20,10 @@
 #define GRUB_UTIL_GETROOT_HEADER	1
 
 #include <grub/types.h>
+#include <grub/device.h>
 
 #include <sys/types.h>
+#include <stdio.h>
 
 enum grub_dev_abstraction_types {
   GRUB_DEV_ABSTRACTION_NONE,
@@ -89,4 +91,14 @@ grub_util_get_grub_dev_os (const char *os_dev);
 grub_disk_addr_t
 grub_util_find_partition_start_os (const char *dev);
 
+char *
+grub_util_guess_bios_drive (const char *orig_path);
+char *
+grub_util_guess_efi_drive (const char *orig_path);
+char *
+grub_util_guess_baremetal_drive (const char *orig_path);
+void
+grub_util_fprint_full_disk_name (FILE *f,
+				 const char *drive, grub_device_t dev);
+
 #endif /* ! GRUB_UTIL_GETROOT_HEADER */

include/grub/emu/hostfile.h

@@ -31,6 +31,11 @@ grub_util_is_special_file (const char *path);
 int
 grub_util_is_regular (const char *path);
 
+char *
+grub_util_path_concat (size_t n, ...);
+char *
+grub_util_path_concat_ext (size_t n, ...);
+
 int
 grub_util_fd_seek (grub_util_fd_t fd, grub_uint64_t off);
 ssize_t
@@ -49,5 +54,13 @@ EXPORT_FUNC(grub_util_fd_close) (grub_util_fd_t fd);
 
 grub_uint64_t
 grub_util_get_fd_size (grub_util_fd_t fd, const char *name, unsigned *log_secsize);
+char *
+grub_util_make_temporary_file (void);
+char *
+grub_util_make_temporary_dir (void);
+void
+grub_util_unlink_recursive (const char *name);
+grub_uint32_t
+grub_util_get_mtime (const char *name);
 
 #endif /* ! GRUB_BIOSDISK_MACHINE_UTIL_HEADER */