/* branches.c
 *
 ****************************************************************
 * Copyright (C) 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 "file-utils/libarch/namespace.h"
#include "file-utils/libarch/project-tree.h"
#include "file-utils/libarch/my.h"
#include "file-utils/libarch/archive.h"



static t_uchar * program_name = "branches";
static t_uchar * usage = "[options] category";
static t_uchar * version_string = (cfg__std__package " from regexps.com\n"
				   "\n"
				   "Copyright 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_archive, "A", "archive", 1, \
      "specify a default archive name")
 

static t_uchar long_help[] = ("list the branches in an archive category\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;
  t_uchar * default_archive;


  default_archive = 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_archive:
          {
            default_archive = str_save (0, option->arg_string);
            break;
          }
	}
    }

  if (argc != 2)
    goto usage_error;

  default_archive = arch_my_default_archive (default_archive);

  {
    t_uchar * cat_spec;
    t_uchar * archive = 0;
    t_uchar * cat = 0;
    struct arch_archive * arch = 0;
    rel_table branches = 0;

    cat_spec = argv[1];

    if (!arch_valid_package_name (cat_spec, arch_maybe_archive, arch_req_category, 0))
      {
        safe_printfmt (2, "branches: invalid category name (%s)\n", cat_spec);
        exit (2);
      }

    archive = arch_parse_package_name (arch_ret_archive, default_archive, cat_spec);
    cat = arch_parse_package_name (arch_ret_category, 0, cat_spec);

    arch = arch_archive_connect (archive);
    branches = arch_archive_branches (arch, cat);
    rel_print_table (1, branches);
  }

  return 0;
}




/* tag: Tom Lord Tue May 20 14:38:14 2003 (branches.c)
 */
