subversion/svn/export-cmd.c

   1 /*
   2  * export-cmd.c -- Subversion export command
   3  *
   4  * ====================================================================
   5  * Copyright (c) 2000-2004 CollabNet.  All rights reserved.
   6  *
   7  * This software is licensed as described in the file COPYING, which
   8  * you should have received as part of this distribution.  The terms
   9  * are also available at http://subversion.tigris.org/license-1.html.
  10  * If newer versions of this license are posted there, you may use a
  11  * newer version instead, at your option.
  12  *
  13  * This software consists of voluntary contributions made by many
  14  * individuals.  For exact contribution history, see the revision
  15  * history and logs, available at http://subversion.tigris.org/.
  16  * ====================================================================
  17  */
  18
  19 /* ==================================================================== */
  20
  21
  22 \f
  23 /*** Includes. ***/
  24
  25 #include "svn_client.h"
  26 #include "svn_error.h"
  27 #include "svn_path.h"
  28 #include "cl.h"
  29
  30 #include "svn_private_config.h"
  31
  32 \f
  33 /*** Code. ***/
  34
  35 /* This implements the `svn_opt_subcommand_t' interface. */
  36 svn_error_t *
  37 svn_cl__export(apr_getopt_t *os,
  38                void *baton,
  39                apr_pool_t *pool)
  40 {
  41   svn_cl__opt_state_t *opt_state = ((svn_cl__cmd_baton_t *) baton)->opt_state;
  42   svn_client_ctx_t *ctx = ((svn_cl__cmd_baton_t *) baton)->ctx;
  43   const char *from, *to;
  44   apr_array_header_t *targets;
  45   svn_error_t *err;
  46   svn_opt_revision_t peg_revision;
  47   const char *truefrom;
  48
  49   SVN_ERR(svn_cl__args_to_target_array_print_reserved(&targets, os,
  50                                                       opt_state->targets,
  51                                                       pool));
  52
  53   /* We want exactly 1 or 2 targets for this subcommand. */
  54   if (targets->nelts < 1)
  55     return svn_error_create(SVN_ERR_CL_INSUFFICIENT_ARGS, 0, NULL);
  56   if (targets->nelts > 2)
  57     return svn_error_create(SVN_ERR_CL_ARG_PARSING_ERROR, 0, NULL);
  58
  59   /* The first target is the `from' path. */
  60   from = APR_ARRAY_IDX(targets, 0, const char *);
  61
  62   /* Get the peg revision if present. */
  63   SVN_ERR(svn_opt_parse_path(&peg_revision, &truefrom, from, pool));
  64
  65   /* If only one target was given, split off the basename to use as
  66      the `to' path.  Else, a `to' path was supplied. */
  67   if (targets->nelts == 1)
  68     to = svn_path_uri_decode(svn_path_basename(truefrom, pool), pool);
  69   else
  70     to = APR_ARRAY_IDX(targets, 1, const char *);
  71
  72   if (! opt_state->quiet)
  73     svn_cl__get_notifier(&ctx->notify_func2, &ctx->notify_baton2, FALSE, TRUE,
  74                          FALSE, pool);
  75
  76   if (opt_state->depth == svn_depth_unknown)
  77     opt_state->depth = svn_depth_infinity;
  78
  79   /* Do the export. */
  80   err = svn_client_export4(NULL, truefrom, to, &peg_revision,
  81                            &(opt_state->start_revision),
  82                            opt_state->force, opt_state->ignore_externals,
  83                            opt_state->depth,
  84                            opt_state->native_eol, ctx,
  85                            pool);
  86   if (err && err->apr_err == SVN_ERR_WC_OBSTRUCTED_UPDATE && !opt_state->force)
  87     SVN_ERR_W(err,
  88               _("Destination directory exists; please remove "
  89                 "the directory or use --force to overwrite"));
  90   else
  91     SVN_ERR(err);
  92
  93   return SVN_NO_ERROR;
  94 }