subversion/svn/checkout-cmd.c

   1 /*
   2  * checkout-cmd.c -- Subversion checkout command
   3  *
   4  * ====================================================================
   5  * Copyright (c) 2000-2007 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_path.h"
  27 #include "svn_error.h"
  28 #include "svn_pools.h"
  29 #include "cl.h"
  30
  31 #include "svn_private_config.h"
  32
  33 \f
  34 /*** Code. ***/
  35
  36 /*
  37   This is what it does
  38
  39   - case 1: one URL
  40     $ svn co http://host/repos/module
  41     checkout into ./module/
  42
  43   - case 2: one URL and explicit path
  44     $ svn co http://host/repos/module path
  45     checkout into ./path/
  46
  47   - case 3: multiple URLs
  48     $ svn co http://host1/repos1/module1 http://host2/repos2/module2
  49     checkout into ./module1/ and ./module2/
  50
  51   - case 4: multiple URLs and explicit path
  52     $ svn co http://host1/repos1/module1 http://host2/repos2/module2 path
  53     checkout into ./path/module1/ and ./path/module2/
  54
  55   Is this the same as CVS?  Does it matter if it is not?
  56 */
  57
  58
  59 /* This implements the `svn_opt_subcommand_t' interface. */
  60 svn_error_t *
  61 svn_cl__checkout(apr_getopt_t *os,
  62                  void *baton,
  63                  apr_pool_t *pool)
  64 {
  65   svn_cl__opt_state_t *opt_state = ((svn_cl__cmd_baton_t *) baton)->opt_state;
  66   svn_client_ctx_t *ctx = ((svn_cl__cmd_baton_t *) baton)->ctx;
  67   apr_pool_t *subpool;
  68   apr_array_header_t *targets;
  69   const char *local_dir;
  70   const char *repos_url;
  71   int i;
  72
  73   SVN_ERR(svn_opt_args_to_target_array2(&targets, os,
  74                                         opt_state->targets, pool));
  75
  76   if (! targets->nelts)
  77     return svn_error_create(SVN_ERR_CL_INSUFFICIENT_ARGS, 0, NULL);
  78
  79   /* Add a path if the user only specified URLs */
  80   local_dir = APR_ARRAY_IDX(targets, targets->nelts - 1, const char *);
  81   if (svn_path_is_url(local_dir))
  82     {
  83       if (targets->nelts == 1)
  84         {
  85           svn_opt_revision_t pegrev;
  86
  87           /* Discard the peg-revision, if one was provided. */
  88           SVN_ERR(svn_opt_parse_path(&pegrev, &local_dir, local_dir, pool));
  89           if (pegrev.kind != svn_opt_revision_unspecified)
  90             local_dir = svn_path_canonicalize(local_dir, pool);
  91
  92           local_dir = svn_path_basename(local_dir, pool);
  93           local_dir = svn_path_uri_decode(local_dir, pool);
  94         }
  95       else
  96         {
  97           local_dir = "";
  98         }
  99       APR_ARRAY_PUSH(targets, const char *) = local_dir;
 100     }
 101   else
 102     {
 103       /* What?  They gave us one target, and it wasn't a URL. */
 104       if (targets->nelts == 1)
 105         return svn_error_create(SVN_ERR_CL_ARG_PARSING_ERROR, 0, NULL);
 106     }
 107
 108   if (! opt_state->quiet)
 109     svn_cl__get_notifier(&ctx->notify_func2, &ctx->notify_baton2, TRUE, FALSE,
 110                          FALSE, pool);
 111
 112   subpool = svn_pool_create(pool);
 113   for (i = 0; i < targets->nelts - 1; ++i)
 114     {
 115       const char *target_dir;
 116       const char *true_url;
 117       svn_opt_revision_t revision = opt_state->start_revision;
 118       svn_opt_revision_t peg_revision;
 119
 120       svn_pool_clear(subpool);
 121
 122       SVN_ERR(svn_cl__check_cancel(ctx->cancel_baton));
 123
 124       /* Validate the REPOS_URL */
 125       repos_url = APR_ARRAY_IDX(targets, i, const char *);
 126       if (! svn_path_is_url(repos_url))
 127         return svn_error_createf
 128           (SVN_ERR_BAD_URL, NULL,
 129            _("'%s' does not appear to be a URL"), repos_url);
 130
 131       /* Get a possible peg revision. */
 132       SVN_ERR(svn_opt_parse_path(&peg_revision, &true_url, repos_url,
 133                                  subpool));
 134
 135       true_url = svn_path_canonicalize(true_url, subpool);
 136
 137       /* Use sub-directory of destination if checking-out multiple URLs */
 138       if (targets->nelts == 2)
 139         {
 140           target_dir = local_dir;
 141         }
 142       else
 143         {
 144           target_dir = svn_path_basename(true_url, subpool);
 145           target_dir = svn_path_uri_decode(target_dir, subpool);
 146           target_dir = svn_path_join(local_dir, target_dir, subpool);
 147         }
 148
 149       /* Checkout doesn't accept an unspecified revision, so default to
 150          the peg revision, or to HEAD if there wasn't a peg. */
 151       if (revision.kind == svn_opt_revision_unspecified)
 152       {
 153         if (peg_revision.kind != svn_opt_revision_unspecified)
 154           revision = peg_revision;
 155         else
 156           revision.kind = svn_opt_revision_head;
 157       }
 158
 159       SVN_ERR(svn_client_checkout3
 160               (NULL, true_url, target_dir,
 161                &peg_revision,
 162                &revision,
 163                opt_state->depth,
 164                opt_state->ignore_externals,
 165                opt_state->force,
 166                ctx, subpool));
 167     }
 168   svn_pool_destroy(subpool);
 169
 170   return SVN_NO_ERROR;
 171 }