/*
 * lock-cmd.c -- LOck a working copy path in the repository.
 *
 * ====================================================================
 * Copyright (c) 2004-2007 CollabNet.  All rights reserved.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at http://subversion.tigris.org/license-1.html.
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 *
 * This software consists of voluntary contributions made by many
 * individuals.  For exact contribution history, see the revision
 * history and logs, available at http://subversion.tigris.org/.
 * ====================================================================
 */

/* ==================================================================== */



/*** Includes. ***/

#include "svn_pools.h"
#include "svn_client.h"
#include "svn_subst.h"
#include "svn_path.h"
#include "svn_error_codes.h"
#include "svn_error.h"
#include "svn_cmdline.h"
#include "cl.h"
#include "svn_private_config.h"


/*** Code. ***/

/* Get a lock comment, allocate it in POOL and store it in *COMMENT. */
static svn_error_t *
get_comment(const char **comment, svn_client_ctx_t *ctx,
            svn_cl__opt_state_t *opt_state, apr_pool_t *pool)
{
  svn_string_t *comment_string;

  if (opt_state->filedata)
    {
      /* Get it from the -F argument. */
      if (strlen(opt_state->filedata->data) < opt_state->filedata->len)
        {
          /* A message containing a zero byte can't be represented as a C
             string. */
          return svn_error_create(SVN_ERR_CL_BAD_LOG_MESSAGE, NULL,
                                  _("Lock comment contains a zero byte"));
        }
      comment_string = svn_string_create(opt_state->filedata->data, pool);

    }
  else if (opt_state->message)
    {
      /* Get if from the -m option. */
      comment_string = svn_string_create(opt_state->message, pool);
    }
  else
    {
      *comment = NULL;
      return SVN_NO_ERROR;
    }

  /* Translate to UTF8/LF. */
  SVN_ERR(svn_subst_translate_string(&comment_string, comment_string,
                                     opt_state->encoding, pool));
  *comment = comment_string->data;

  return SVN_NO_ERROR;
}

/* This implements the `svn_opt_subcommand_t' interface. */
svn_error_t *
svn_cl__lock(apr_getopt_t *os,
             void *baton,
             apr_pool_t *pool)
{
  svn_cl__opt_state_t *opt_state = ((svn_cl__cmd_baton_t *) baton)->opt_state;
  svn_client_ctx_t *ctx = ((svn_cl__cmd_baton_t *) baton)->ctx;
  apr_array_header_t *targets;
  const char *comment;

  SVN_ERR(svn_cl__args_to_target_array_print_reserved(&targets, os, 
                                                      opt_state->targets, 
                                                      pool));

  /* We only support locking files, so '.' is not valid. */
  if (! targets->nelts)
    return svn_error_create(SVN_ERR_CL_INSUFFICIENT_ARGS, 0, NULL);

  /* Get comment. */
  SVN_ERR(get_comment(&comment, ctx, opt_state, pool));

  svn_cl__get_notifier(&ctx->notify_func2, &ctx->notify_baton2, FALSE,
                       FALSE, FALSE, pool);

  SVN_ERR(svn_client_lock(targets, comment, opt_state->force,
                          ctx, pool));

  return SVN_NO_ERROR;
}
