subversion/libsvn_client/revert.c

   1 /*
   2  * revert.c:  wrapper around wc revert functionality.
   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_wc.h"
  26 #include "svn_client.h"
  27 #include "svn_pools.h"
  28 #include "svn_error.h"
  29 #include "svn_time.h"
  30 #include "svn_config.h"
  31 #include "client.h"
  32 #include "private/svn_wc_private.h"
  33
  34
  35 \f
  36 /*** Code. ***/
  37
  38 /* Attempt to revert PATH.
  39
  40    If DEPTH is svn_depth_empty, revert just the properties on the
  41    directory; else if svn_depth_files, revert the properties and any
  42    files immediately under the directory; else if
  43    svn_depth_immediates, revert all of the preceding plus properties
  44    on immediate subdirectories; else if svn_depth_infinity, revert
  45    path and everything under it fully recursively.
  46
  47    Consult CTX to determine whether or not to revert timestamp to the
  48    time of last commit ('use-commit-times = yes').  Use POOL for
  49    temporary allocation.
  50
  51    If PATH is unversioned, return SVN_ERR_UNVERSIONED_RESOURCE. */
  52 static svn_error_t *
  53 revert(const char *path,
  54        svn_depth_t depth,
  55        svn_boolean_t use_commit_times,
  56        svn_client_ctx_t *ctx,
  57        apr_pool_t *pool)
  58 {
  59   svn_wc_adm_access_t *adm_access, *target_access;
  60   const char *target;
  61   svn_error_t *err;
  62   int adm_lock_level = SVN_WC__LEVELS_TO_LOCK_FROM_DEPTH(depth);
  63
  64   SVN_ERR(svn_wc_adm_open_anchor(&adm_access, &target_access, &target, path,
  65                                  TRUE, adm_lock_level,
  66                                  ctx->cancel_func, ctx->cancel_baton,
  67                                  pool));
  68
  69   err = svn_wc_revert3(path, adm_access, depth, use_commit_times,
  70                        ctx->cancel_func, ctx->cancel_baton,
  71                        ctx->notify_func2, ctx->notify_baton2,
  72                        pool);
  73
  74   if (err)
  75     {
  76       /* If target isn't versioned, just send a 'skip'
  77          notification and move on. */
  78       if (err->apr_err == SVN_ERR_ENTRY_NOT_FOUND
  79           || err->apr_err == SVN_ERR_UNVERSIONED_RESOURCE)
  80         {
  81           if (ctx->notify_func2)
  82             (*ctx->notify_func2)
  83               (ctx->notify_baton2,
  84                svn_wc_create_notify(path, svn_wc_notify_skip, pool),
  85                pool);
  86           svn_error_clear(err);
  87         }
  88       else
  89         return err;
  90     }
  91
  92   SVN_ERR(svn_wc_adm_close(adm_access));
  93
  94   return SVN_NO_ERROR;
  95 }
  96
  97
  98 svn_error_t *
  99 svn_client_revert2(const apr_array_header_t *paths,
 100                    svn_depth_t depth,
 101                    svn_client_ctx_t *ctx,
 102                    apr_pool_t *pool)
 103 {
 104   apr_pool_t *subpool;
 105   svn_error_t *err = SVN_NO_ERROR;
 106   int i;
 107   svn_config_t *cfg;
 108   svn_boolean_t use_commit_times;
 109
 110   cfg = ctx->config ? apr_hash_get(ctx->config, SVN_CONFIG_CATEGORY_CONFIG,
 111                                    APR_HASH_KEY_STRING) : NULL;
 112
 113   SVN_ERR(svn_config_get_bool(cfg, &use_commit_times,
 114                               SVN_CONFIG_SECTION_MISCELLANY,
 115                               SVN_CONFIG_OPTION_USE_COMMIT_TIMES,
 116                               FALSE));
 117
 118   subpool = svn_pool_create(pool);
 119
 120   for (i = 0; i < paths->nelts; i++)
 121     {
 122       const char *path = APR_ARRAY_IDX(paths, i, const char *);
 123
 124       svn_pool_clear(subpool);
 125
 126       /* See if we've been asked to cancel this operation. */
 127       if ((ctx->cancel_func)
 128           && ((err = ctx->cancel_func(ctx->cancel_baton))))
 129         goto errorful;
 130
 131       err = revert(path, depth, use_commit_times, ctx, subpool);
 132       if (err)
 133         goto errorful;
 134     }
 135
 136  errorful:
 137
 138   svn_pool_destroy(subpool);
 139
 140   /* Sleep to ensure timestamp integrity. */
 141   svn_sleep_for_timestamps();
 142
 143   return err;
 144 }
 145
 146
 147 svn_error_t *
 148 svn_client_revert(const apr_array_header_t *paths,
 149                   svn_boolean_t recursive,
 150                   svn_client_ctx_t *ctx,
 151                   apr_pool_t *pool)
 152 {
 153   return svn_client_revert2(paths,
 154                             recursive ? svn_depth_infinity : svn_depth_empty,
 155                             ctx, pool);
 156 }