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

  SVN_ERR(svn_client__ra_session_from_path2(
            source_ra_session_p, &source_loc,
            source_path_or_url, NULL, source_peg_revision, source_peg_revision,
            ctx, result_pool));

  /* source_loc and target->loc are required to be in the same repository,
     as mergeinfo doesn't come into play for cross-repository merging. */
  SVN_ERR(check_same_repos(source_loc,
                           svn_dirent_local_style(source_path_or_url,
                                                  scratch_pool),
                           &target->loc,
                           svn_dirent_local_style(target->abspath,
                                                  scratch_pool),
                           TRUE /* strict_urls */, scratch_pool));

  *source_loc_p = source_loc;
  *target_p = target;
  return SVN_NO_ERROR;
}

/* The body of svn_client_merge_reintegrate(), which see for details. */
static svn_error_t *
merge_reintegrate_locked(conflict_report_t **conflict_report,
                         const char *source_path_or_url,
                         const svn_opt_revision_t *source_peg_revision,
                         const char *target_abspath,
                         svn_boolean_t diff_ignore_ancestry,
                         svn_boolean_t dry_run,
                         const apr_array_header_t *merge_options,
                         svn_client_ctx_t *ctx,
                         apr_pool_t *result_pool,
                         apr_pool_t *scratch_pool)
{
  svn_ra_session_t *target_ra_session, *source_ra_session;
  merge_target_t *target;
  svn_client__pathrev_t *source_loc;
  merge_source_t *source;
  svn_client__pathrev_t *yc_ancestor;
  svn_boolean_t use_sleep = FALSE;
  svn_error_t *err;

  SVN_ERR(open_reintegrate_source_and_target(
            &source_ra_session, &source_loc, &target_ra_session, &target,
            source_path_or_url, source_peg_revision, target_abspath,
            ctx, scratch_pool, scratch_pool));

  SVN_ERR(find_reintegrate_merge(&source, &yc_ancestor,
                                 source_ra_session, source_loc,
                                 target_ra_session, target,
                                 ctx, scratch_pool, scratch_pool));

  if (! source)
    {
      return SVN_NO_ERROR;
    }

  /* Do the real merge! */
  /* ### TODO(reint): Make sure that one isn't the same line ancestor
     ### of the other (what's erroneously referred to as "ancestrally
     ### related" in this source file).  For now, we just say the source
     ### isn't "ancestral" even if it is (in the degenerate case where
     ### source-left equals YCA). */
  source->ancestral = FALSE;
  err = merge_cousins_and_supplement_mergeinfo(conflict_report,
                                               &use_sleep,
                                               target,
                                               target_ra_session,
                                               source_ra_session,
                                               source, yc_ancestor,
                                               TRUE /* same_repos */,
                                               svn_depth_infinity,
                                               diff_ignore_ancestry,
                                               FALSE /* force_delete */,
                                               FALSE /* record_only */,
                                               dry_run,
                                               merge_options,
                                               ctx,
                                               result_pool, scratch_pool);

  if (use_sleep)
    svn_io_sleep_for_timestamps(target_abspath, scratch_pool);

  SVN_ERR(err);
  return SVN_NO_ERROR;
}

svn_error_t *
svn_client_merge_reintegrate(const char *source_path_or_url,
                             const svn_opt_revision_t *source_peg_revision,
                             const char *target_wcpath,
                             svn_boolean_t dry_run,
                             const apr_array_header_t *merge_options,
                             svn_client_ctx_t *ctx,
                             apr_pool_t *pool)
{
  const char *target_abspath, *lock_abspath;
  conflict_report_t *conflict_report;

  SVN_ERR(get_target_and_lock_abspath(&target_abspath, &lock_abspath,
                                      target_wcpath, ctx, pool));

  if (!dry_run)
    SVN_WC__CALL_WITH_WRITE_LOCK(
      merge_reintegrate_locked(&conflict_report,
                               source_path_or_url, source_peg_revision,
                               target_abspath,
                               FALSE /*diff_ignore_ancestry*/,
                               dry_run, merge_options, ctx, pool, pool),
      ctx->wc_ctx, lock_abspath, FALSE /* lock_anchor */, pool);
  else
    SVN_ERR(merge_reintegrate_locked(&conflict_report,
                                     source_path_or_url, source_peg_revision,
                                     target_abspath,
                                     FALSE /*diff_ignore_ancestry*/,
                                     dry_run, merge_options, ctx, pool, pool));

  SVN_ERR(make_merge_conflict_error(conflict_report, pool));
  return SVN_NO_ERROR;
}


/* The body of svn_client_merge_peg5(), which see for details.
 *
 * IGNORE_MERGEINFO and DIFF_IGNORE_ANCESTRY are as in do_merge().
 */
static svn_error_t *
merge_peg_locked(conflict_report_t **conflict_report,
                 const char *source_path_or_url,
                 const svn_opt_revision_t *source_peg_revision,
                 const svn_rangelist_t *ranges_to_merge,
                 const char *target_abspath,
                 svn_depth_t depth,
                 svn_boolean_t ignore_mergeinfo,
                 svn_boolean_t diff_ignore_ancestry,
                 svn_boolean_t force_delete,
                 svn_boolean_t record_only,
                 svn_boolean_t dry_run,
                 svn_boolean_t allow_mixed_rev,
                 const apr_array_header_t *merge_options,
                 svn_client_ctx_t *ctx,
                 apr_pool_t *result_pool,
                 apr_pool_t *scratch_pool)
{
  merge_target_t *target;
  svn_client__pathrev_t *source_loc;
  apr_array_header_t *merge_sources;
  svn_ra_session_t *ra_session;
  apr_pool_t *sesspool;
  svn_boolean_t use_sleep = FALSE;
  svn_error_t *err;
  svn_boolean_t same_repos;

  SVN_ERR_ASSERT(svn_dirent_is_absolute(target_abspath));

  SVN_ERR(open_target_wc(&target, target_abspath,
                         allow_mixed_rev, TRUE, TRUE,
                         ctx, scratch_pool, scratch_pool));

  /* Create a short lived session pool */
  sesspool = svn_pool_create(scratch_pool);

  /* Open an RA session to our source URL, and determine its root URL. */
  SVN_ERR(svn_client__ra_session_from_path2(
            &ra_session, &source_loc,
            source_path_or_url, NULL, source_peg_revision, source_peg_revision,
            ctx, sesspool));

  /* Normalize our merge sources. */
  SVN_ERR(normalize_merge_sources(&merge_sources, source_path_or_url,
                                  source_loc,
                                  ranges_to_merge, ra_session, ctx,
                                  scratch_pool, scratch_pool));

  /* Check for same_repos. */
  same_repos = is_same_repos(&target->loc, source_loc, TRUE /* strict_urls */);

  /* Do the real merge!  (We say with confidence that our merge
     sources are both ancestral and related.) */
  err = do_merge(NULL, NULL, conflict_report, &use_sleep,
                 merge_sources, target, ra_session,
                 TRUE /*sources_related*/, same_repos, ignore_mergeinfo,
                 diff_ignore_ancestry, force_delete, dry_run,
                 record_only, NULL, FALSE, FALSE, depth, merge_options,
                 ctx, result_pool, scratch_pool);

  /* We're done with our RA session. */
  svn_pool_destroy(sesspool);

  if (use_sleep)
    svn_io_sleep_for_timestamps(target_abspath, scratch_pool);

  SVN_ERR(err);
  return SVN_NO_ERROR;
}

/* Details of an automatic merge. */
typedef struct automatic_merge_t
{
  svn_client__pathrev_t *yca, *base, *right, *target;
  svn_boolean_t is_reintegrate_like;
  svn_boolean_t allow_mixed_rev, allow_local_mods, allow_switched_subtrees;
} automatic_merge_t;

static svn_error_t *
client_find_automatic_merge(automatic_merge_t **merge_p,
                            const char *source_path_or_url,
                            const svn_opt_revision_t *source_revision,
                            const char *target_abspath,
                            svn_boolean_t allow_mixed_rev,
                            svn_boolean_t allow_local_mods,
                            svn_boolean_t allow_switched_subtrees,
                            svn_client_ctx_t *ctx,
                            apr_pool_t *result_pool,
                            apr_pool_t *scratch_pool);

static svn_error_t *
do_automatic_merge_locked(conflict_report_t **conflict_report,
                          const automatic_merge_t *merge,
                          const char *target_abspath,
                          svn_depth_t depth,
                          svn_boolean_t diff_ignore_ancestry,
                          svn_boolean_t force_delete,
                          svn_boolean_t record_only,
                          svn_boolean_t dry_run,
                          const apr_array_header_t *merge_options,
                          svn_client_ctx_t *ctx,
                          apr_pool_t *result_pool,
                          apr_pool_t *scratch_pool);

svn_error_t *
svn_client_merge_peg5(const char *source_path_or_url,
                      const apr_array_header_t *ranges_to_merge,
                      const svn_opt_revision_t *source_peg_revision,
                      const char *target_wcpath,
                      svn_depth_t depth,
                      svn_boolean_t ignore_mergeinfo,
                      svn_boolean_t diff_ignore_ancestry,