/* do-changeset.c
 *
 ****************************************************************
 * Copyright (C) 2001, 2002, 2003  Tom Lord
 * 
 * See the file "COPYING" for further information about
 * the copyright and warranty status of this work.
 */


#include "config-options.h"
#include "hackerlab/cmd/main.h"
#include "hackerlab/mem/mem.h"
#include "file-utils/libarch/apply-changeset.h"


/* __STDC__ prototypes for static functions */
static void changeset_callback (void * ign, char * fmt, va_list ap);



static t_uchar * program_name = "do-changeset";
static t_uchar * usage = "[options] CHANGSET TARGET";
static t_uchar * version_string = (cfg__std__package " from regexps.com\n"
				   "\n"
				   "Copyright 2001, 2002, 2003 Tom Lord\n"
				   "\n"
				   "This is free software; see the source for copying conditions.\n"
				   "There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n"
				   "PARTICULAR PURPOSE.\n"
				   "\n"
				   "Report bugs to " cfg__file_utils_bug_mail ".\n"
				   "\n");

#define OPTS(OP, OP2) \
  OP (opt_help_msg, "h", "help", 0, \
      "Display a help message and exit.") \
  OP (opt_long_help, "H", 0, 0, \
      "Display a verbose help message and exit.") \
  OP (opt_version, "V", "version", 0, \
      "Display a release identifier string") \
  OP2 (opt_version, 0, 0, 0, "and exit.") \
  OP (opt_reverse, "r", "reverse", 0, \
      "Apply the changeset in reverse")

static t_uchar long_help[] = ("add an explicit inventory tag\n");

enum options
{
  OPTS (OPT_ENUM, OPT_IGN)  
};

struct opt_desc opts[] = 
{
  OPTS (OPT_DESC, OPT_DESC)
    {-1, 0, 0, 0, 0}
};



int
main (int argc, char * argv[])
{
  int o;
  struct opt_parsed * option;
  int reverse = 0;

  safe_buffer_fd (1, 0, O_WRONLY, 0);

  option = 0;

  while (1)
    {
      o = opt_standard (lim_use_must_malloc, &option, opts, &argc, argv, program_name, usage, version_string, long_help, opt_help_msg, opt_long_help, opt_version);
      if (o == opt_none)
	break;
      switch (o)
	{
	default:
	  safe_printfmt (2, "unhandled option `%s'\n", option->opt_string);
	  panic ("internal error parsing arguments");

	usage_error:
	  opt_usage (2, argv[0], program_name, usage, 1);
	  exit (1);

          /* bogus_arg: */
	  safe_printfmt (2, "ill-formed argument for `%s' (`%s')\n", option->opt_string, option->arg_string);
	  goto usage_error;

        case opt_reverse:
          {
            reverse = 1;
            break;
          }
	}
    }

  if (argc != 3)
    goto usage_error;

  {
    struct arch_apply_changeset_report report;

    mem_set0 ((void *)&report, sizeof (report));

    report.callback = changeset_callback;

    arch_apply_changeset (&report, argv[1], argv[2], arch_unspecified_tagging, reverse);

    if (arch_conflicts_occured (&report))
      {
        safe_printfmt (2, "do-changeset: conflicts occured\n");
        exit (1);
      }
  }

  return 0;
}


static void
changeset_callback (void * ign, char * fmt, va_list ap)
{
  safe_printfmt_va_list (1, fmt, ap);
}





/* tag: Tom Lord Fri May 16 09:59:03 2003 (do-changeset.c)
 */
