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src/subversion/subversion/libsvn_client/relocate.c  view on Meta::CPAN

  return SVN_NO_ERROR;
}


/* Examing the array of svn_wc_external_item2_t's EXT_DESC (parsed
   from the svn:externals property set on LOCAL_ABSPATH) and determine
   if the external working copies described by such should be
   relocated as a side-effect of the relocation of their parent
   working copy (from OLD_PARENT_REPOS_ROOT_URL to
   NEW_PARENT_REPOS_ROOT_URL).  If so, attempt said relocation.  */
static svn_error_t *
relocate_externals(const char *local_abspath,
                   apr_array_header_t *ext_desc,
                   const char *old_parent_repos_root_url,
                   const char *new_parent_repos_root_url,
                   svn_client_ctx_t *ctx,
                   apr_pool_t *scratch_pool)
{
  apr_pool_t *iterpool;
  int i;

  /* Parse an externals definition into an array of external items. */

  iterpool = svn_pool_create(scratch_pool);

  for (i = 0; i < ext_desc->nelts; i++)
    {
      svn_wc_external_item2_t *ext_item =
        APR_ARRAY_IDX(ext_desc, i, svn_wc_external_item2_t *);
      const char *target_repos_root_url;
      const char *target_abspath;
      svn_error_t *err;

      svn_pool_clear(iterpool);

      /* If this external isn't pulled in via a relative URL, ignore
         it.  There's no sense in relocating a working copy only to
         have the next 'svn update' try to point it back to another
         location. */
      if (! ((strncmp("../", ext_item->url, 3) == 0) ||
             (strncmp("^/", ext_item->url, 2) == 0)))
        continue;

      /* If the external working copy's not-yet-relocated repos root
         URL matches the primary working copy's pre-relocated
         repository root URL, try to relocate that external, too.
         You might wonder why this check is needed, given that we're
         already limiting ourselves to externals pulled via URLs
         relative to their primary working copy.  Well, it's because
         you can use "../" to "crawl up" above one repository's URL
         space and down into another one.  */
      SVN_ERR(svn_dirent_get_absolute(&target_abspath,
                                      svn_dirent_join(local_abspath,
                                                      ext_item->target_dir,
                                                      iterpool),
                                      iterpool));
      err = svn_client_get_repos_root(&target_repos_root_url, NULL /* uuid */,
                                      target_abspath, ctx, iterpool, iterpool);

      /* Ignore externals that aren't present in the working copy.
       * This can happen if an external is deleted from disk accidentally,
       * or if an external is configured on a locally added directory. */
      if (err && err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND)
        {
          svn_error_clear(err);
          continue;
        }
      else
        SVN_ERR(err);

      if (strcmp(target_repos_root_url, old_parent_repos_root_url) == 0)
        SVN_ERR(svn_client_relocate2(target_abspath,
                                     old_parent_repos_root_url,
                                     new_parent_repos_root_url,
                                     FALSE, ctx, iterpool));
    }

  svn_pool_destroy(iterpool);

  return SVN_NO_ERROR;
}

svn_error_t *
svn_client_relocate2(const char *wcroot_dir,
                     const char *from_prefix,
                     const char *to_prefix,
                     svn_boolean_t ignore_externals,
                     svn_client_ctx_t *ctx,
                     apr_pool_t *pool)
{
  struct validator_baton_t vb;
  const char *local_abspath;
  apr_hash_t *externals_hash = NULL;
  apr_hash_index_t *hi;
  apr_pool_t *iterpool = NULL;
  const char *old_repos_root_url, *new_repos_root_url;

  /* Populate our validator callback baton, and call the relocate code. */
  vb.ctx = ctx;
  vb.path = wcroot_dir;
  vb.url_uuids = apr_array_make(pool, 1, sizeof(struct url_uuid_t));
  vb.pool = pool;

  if (svn_path_is_url(wcroot_dir))
    return svn_error_createf(SVN_ERR_ILLEGAL_TARGET, NULL,
                             _("'%s' is not a local path"),
                             wcroot_dir);

  SVN_ERR(svn_dirent_get_absolute(&local_abspath, wcroot_dir, pool));

  /* If we're ignoring externals, just relocate and get outta here. */
  if (ignore_externals)
    {
      return svn_error_trace(svn_wc_relocate4(ctx->wc_ctx, local_abspath,
                                              from_prefix, to_prefix,
                                              validator_func, &vb, pool));
    }

  /* Fetch our current root URL. */
  SVN_ERR(svn_client_get_repos_root(&old_repos_root_url, NULL /* uuid */,
                                    local_abspath, ctx, pool, pool));