/* * null-blame-cmd.c -- Subversion export command * * ==================================================================== * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * ==================================================================== */ /* ==================================================================== */ /*** Includes. ***/ #include "svn_client.h" #include "svn_cmdline.h" #include "svn_error.h" #include "svn_dirent_uri.h" #include "svn_path.h" #include "svn_pools.h" #include "svn_sorts.h" #include "cl.h" #include "svn_private_config.h" #include "private/svn_string_private.h" #include "private/svn_client_private.h" struct file_rev_baton { apr_int64_t byte_count; apr_int64_t delta_count; apr_int64_t rev_count; }; /* Implements svn_txdelta_window_handler_t */ static svn_error_t * delta_handler(svn_txdelta_window_t *window, void *baton) { struct file_rev_baton *frb = baton; if (window != NULL) frb->byte_count += window->tview_len; return SVN_NO_ERROR; } /* Implementes svn_file_rev_handler_t */ static svn_error_t * file_rev_handler(void *baton, const char *path, svn_revnum_t revnum, apr_hash_t *rev_props, svn_boolean_t merged_revision, svn_txdelta_window_handler_t *content_delta_handler, void **content_delta_baton, apr_array_header_t *prop_diffs, apr_pool_t *pool) { struct file_rev_baton *frb = baton; frb->rev_count++; if (content_delta_handler) { *content_delta_handler = delta_handler; *content_delta_baton = baton; frb->delta_count++; } return SVN_NO_ERROR; } static svn_error_t * bench_null_blame(const char *target, const svn_opt_revision_t *peg_revision, const svn_opt_revision_t *start, const svn_opt_revision_t *end, svn_boolean_t include_merged_revisions, svn_boolean_t quiet, svn_client_ctx_t *ctx, apr_pool_t *pool) { struct file_rev_baton frb = { 0, 0, 0}; svn_ra_session_t *ra_session; svn_revnum_t start_revnum, end_revnum; svn_boolean_t backwards; const char *target_abspath_or_url; if (start->kind == svn_opt_revision_unspecified || end->kind == svn_opt_revision_unspecified) return svn_error_create (SVN_ERR_CLIENT_BAD_REVISION, NULL, NULL); if (svn_path_is_url(target)) target_abspath_or_url = target; else SVN_ERR(svn_dirent_get_absolute(&target_abspath_or_url, target, pool)); /* Get an RA plugin for this filesystem object. */ SVN_ERR(svn_client__ra_session_from_path2(&ra_session, NULL, target, NULL, peg_revision, peg_revision, ctx, pool)); SVN_ERR(svn_client__get_revision_number(&start_revnum, NULL, ctx->wc_ctx, target_abspath_or_url, ra_session, start, pool)); SVN_ERR(svn_client__get_revision_number(&end_revnum, NULL, ctx->wc_ctx, target_abspath_or_url, ra_session, end, pool)); { svn_client__pathrev_t *loc; svn_opt_revision_t younger_end; younger_end.kind = svn_opt_revision_number; younger_end.value.number = MAX(start_revnum, end_revnum); SVN_ERR(svn_client__resolve_rev_and_url(&loc, ra_session, target, peg_revision, &younger_end, ctx, pool)); /* Make the session point to the real URL. */ SVN_ERR(svn_ra_reparent(ra_session, loc->url, pool)); } backwards = (start_revnum > end_revnum); /* Collect all blame information. We need to ensure that we get one revision before the start_rev, if available so that we can know what was actually changed in the start revision. */ SVN_ERR(svn_ra_get_file_revs2(ra_session, "", backwards ? start_revnum : MAX(0, start_revnum-1), end_revnum, include_merged_revisions, file_rev_handler, &frb, pool)); if (!quiet) SVN_ERR(svn_cmdline_printf(pool, _("%15s revisions\n" "%15s deltas\n" "%15s bytes in deltas\n"), svn__ui64toa_sep(frb.rev_count, ',', pool), svn__ui64toa_sep(frb.delta_count, ',', pool), svn__ui64toa_sep(frb.byte_count, ',', pool))); return SVN_NO_ERROR; } /* This implements the `svn_opt_subcommand_t' interface. */ svn_error_t * svn_cl__null_blame(apr_getopt_t *os, void *baton, apr_pool_t *pool) { svn_cl__opt_state_t *opt_state = ((svn_cl__cmd_baton_t *) baton)->opt_state; svn_client_ctx_t *ctx = ((svn_cl__cmd_baton_t *) baton)->ctx; apr_pool_t *iterpool; apr_array_header_t *targets; int i; svn_boolean_t end_revision_unspecified = FALSE; svn_boolean_t seen_nonexistent_target = FALSE; SVN_ERR(svn_cl__args_to_target_array_print_reserved(&targets, os, opt_state->targets, ctx, FALSE, pool)); /* Blame needs a file on which to operate. */ if (! targets->nelts) return svn_error_create(SVN_ERR_CL_INSUFFICIENT_ARGS, 0, NULL); if (opt_state->end_revision.kind == svn_opt_revision_unspecified) { if (opt_state->start_revision.kind != svn_opt_revision_unspecified) { /* In the case that -rX was specified, we actually want to set the range to be -r1:X. */ opt_state->end_revision = opt_state->start_revision; opt_state->start_revision.kind = svn_opt_revision_number; opt_state->start_revision.value.number = 1; } else end_revision_unspecified = TRUE; } if (opt_state->start_revision.kind == svn_opt_revision_unspecified) { opt_state->start_revision.kind = svn_opt_revision_number; opt_state->start_revision.value.number = 1; } /* The final conclusion from issue #2431 is that blame info is client output (unlike 'svn cat' which plainly cats the file), so the EOL style should be the platform local one. */ iterpool = svn_pool_create(pool); for (i = 0; i < targets->nelts; i++) { svn_error_t *err; const char *target = APR_ARRAY_IDX(targets, i, const char *); const char *parsed_path; svn_opt_revision_t peg_revision; svn_pool_clear(iterpool); SVN_ERR(svn_cl__check_cancel(ctx->cancel_baton)); /* Check for a peg revision. */ SVN_ERR(svn_opt_parse_path(&peg_revision, &parsed_path, target, iterpool)); if (end_revision_unspecified) { if (peg_revision.kind != svn_opt_revision_unspecified) opt_state->end_revision = peg_revision; else if (svn_path_is_url(target)) opt_state->end_revision.kind = svn_opt_revision_head; else opt_state->end_revision.kind = svn_opt_revision_working; } err = bench_null_blame(parsed_path, &peg_revision, &opt_state->start_revision, &opt_state->end_revision, opt_state->use_merge_history, opt_state->quiet, ctx, iterpool); if (err) { if (err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND || err->apr_err == SVN_ERR_ENTRY_NOT_FOUND || err->apr_err == SVN_ERR_FS_NOT_FILE || err->apr_err == SVN_ERR_FS_NOT_FOUND) { svn_handle_warning2(stderr, err, "svn: "); svn_error_clear(err); err = NULL; seen_nonexistent_target = TRUE; } else { return svn_error_trace(err); } } } svn_pool_destroy(iterpool); if (seen_nonexistent_target) return svn_error_create( SVN_ERR_ILLEGAL_TARGET, NULL, _("Could not perform blame on all targets because some " "targets don't exist")); else return SVN_NO_ERROR; }