| /* |
| * cat.c: implementation of the 'cat' 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_hash.h" |
| #include "svn_client.h" |
| #include "svn_string.h" |
| #include "svn_error.h" |
| #include "svn_subst.h" |
| #include "svn_io.h" |
| #include "svn_time.h" |
| #include "svn_dirent_uri.h" |
| #include "svn_path.h" |
| #include "svn_props.h" |
| #include "client.h" |
| |
| #include "svn_private_config.h" |
| #include "private/svn_wc_private.h" |
| |
| |
| /*** Code. ***/ |
| |
| svn_error_t * |
| svn_client__get_normalized_stream(svn_stream_t **normal_stream, |
| svn_wc_context_t *wc_ctx, |
| const char *local_abspath, |
| const svn_opt_revision_t *revision, |
| svn_boolean_t expand_keywords, |
| svn_boolean_t normalize_eols, |
| svn_cancel_func_t cancel_func, |
| void *cancel_baton, |
| apr_pool_t *result_pool, |
| apr_pool_t *scratch_pool) |
| { |
| apr_hash_t *kw = NULL; |
| svn_subst_eol_style_t style; |
| apr_hash_t *props; |
| svn_string_t *eol_style, *keywords, *special; |
| const char *eol = NULL; |
| svn_boolean_t local_mod = FALSE; |
| svn_stream_t *input; |
| svn_node_kind_t kind; |
| |
| SVN_ERR_ASSERT(SVN_CLIENT__REVKIND_IS_LOCAL_TO_WC(revision->kind)); |
| |
| SVN_ERR(svn_wc_read_kind2(&kind, wc_ctx, local_abspath, |
| (revision->kind != svn_opt_revision_working), |
| FALSE, scratch_pool)); |
| |
| if (kind == svn_node_unknown || kind == svn_node_none) |
| return svn_error_createf(SVN_ERR_UNVERSIONED_RESOURCE, NULL, |
| _("'%s' is not under version control"), |
| svn_dirent_local_style(local_abspath, |
| scratch_pool)); |
| if (kind != svn_node_file) |
| return svn_error_createf(SVN_ERR_CLIENT_IS_DIRECTORY, NULL, |
| _("'%s' refers to a directory"), |
| svn_dirent_local_style(local_abspath, |
| scratch_pool)); |
| |
| if (revision->kind != svn_opt_revision_working) |
| { |
| SVN_ERR(svn_wc_get_pristine_contents2(&input, wc_ctx, local_abspath, |
| result_pool, scratch_pool)); |
| if (input == NULL) |
| return svn_error_createf(SVN_ERR_ILLEGAL_TARGET, NULL, |
| _("'%s' has no pristine version until it is committed"), |
| svn_dirent_local_style(local_abspath, scratch_pool)); |
| |
| SVN_ERR(svn_wc_get_pristine_props(&props, wc_ctx, local_abspath, |
| scratch_pool, scratch_pool)); |
| } |
| else |
| { |
| svn_wc_status3_t *status; |
| |
| SVN_ERR(svn_stream_open_readonly(&input, local_abspath, scratch_pool, |
| result_pool)); |
| |
| SVN_ERR(svn_wc_prop_list2(&props, wc_ctx, local_abspath, scratch_pool, |
| scratch_pool)); |
| SVN_ERR(svn_wc_status3(&status, wc_ctx, local_abspath, scratch_pool, |
| scratch_pool)); |
| if (status->node_status != svn_wc_status_normal) |
| local_mod = TRUE; |
| } |
| |
| eol_style = svn_hash_gets(props, SVN_PROP_EOL_STYLE); |
| keywords = svn_hash_gets(props, SVN_PROP_KEYWORDS); |
| special = svn_hash_gets(props, SVN_PROP_SPECIAL); |
| |
| if (eol_style) |
| svn_subst_eol_style_from_value(&style, &eol, eol_style->data); |
| |
| if (keywords) |
| { |
| svn_revnum_t changed_rev; |
| const char *rev_str; |
| const char *author; |
| const char *url; |
| apr_time_t tm; |
| const char *repos_root_url; |
| const char *repos_relpath; |
| |
| SVN_ERR(svn_wc__node_get_changed_info(&changed_rev, &tm, &author, wc_ctx, |
| local_abspath, scratch_pool, |
| scratch_pool)); |
| SVN_ERR(svn_wc__node_get_repos_info(NULL, &repos_relpath, &repos_root_url, |
| NULL, |
| wc_ctx, local_abspath, scratch_pool, |
| scratch_pool)); |
| url = svn_path_url_add_component2(repos_root_url, repos_relpath, |
| scratch_pool); |
| |
| if (local_mod) |
| { |
| /* For locally modified files, we'll append an 'M' |
| to the revision number, and set the author to |
| "(local)" since we can't always determine the |
| current user's username */ |
| rev_str = apr_psprintf(scratch_pool, "%ldM", changed_rev); |
| author = _("(local)"); |
| |
| if (! special) |
| { |
| /* Use the modified time from the working copy for files */ |
| SVN_ERR(svn_io_file_affected_time(&tm, local_abspath, |
| scratch_pool)); |
| } |
| } |
| else |
| { |
| rev_str = apr_psprintf(scratch_pool, "%ld", changed_rev); |
| } |
| |
| SVN_ERR(svn_subst_build_keywords3(&kw, keywords->data, rev_str, url, |
| repos_root_url, tm, author, |
| scratch_pool)); |
| } |
| |
| /* Wrap the output stream if translation is needed. */ |
| if (eol != NULL || kw != NULL) |
| input = svn_subst_stream_translated( |
| input, |
| (eol_style && normalize_eols) ? SVN_SUBST_NATIVE_EOL_STR : eol, |
| FALSE, kw, expand_keywords, result_pool); |
| |
| *normal_stream = input; |
| |
| return SVN_NO_ERROR; |
| } |
| |
| svn_error_t * |
| svn_client_cat3(apr_hash_t **returned_props, |
| svn_stream_t *out, |
| const char *path_or_url, |
| const svn_opt_revision_t *peg_revision, |
| const svn_opt_revision_t *revision, |
| svn_boolean_t expand_keywords, |
| svn_client_ctx_t *ctx, |
| apr_pool_t *result_pool, |
| apr_pool_t *scratch_pool) |
| { |
| svn_ra_session_t *ra_session; |
| svn_client__pathrev_t *loc; |
| svn_string_t *eol_style; |
| svn_string_t *keywords; |
| apr_hash_t *props = NULL; |
| const char *repos_root_url; |
| svn_stream_t *output = out; |
| svn_error_t *err; |
| |
| /* ### Inconsistent default revision logic in this command. */ |
| if (peg_revision->kind == svn_opt_revision_unspecified) |
| { |
| peg_revision = svn_cl__rev_default_to_head_or_working(peg_revision, |
| path_or_url); |
| revision = svn_cl__rev_default_to_head_or_base(revision, path_or_url); |
| } |
| else |
| { |
| revision = svn_cl__rev_default_to_peg(revision, peg_revision); |
| } |
| |
| if (! svn_path_is_url(path_or_url) |
| && SVN_CLIENT__REVKIND_IS_LOCAL_TO_WC(peg_revision->kind) |
| && SVN_CLIENT__REVKIND_IS_LOCAL_TO_WC(revision->kind)) |
| { |
| const char *local_abspath; |
| svn_stream_t *normal_stream; |
| |
| SVN_ERR(svn_dirent_get_absolute(&local_abspath, path_or_url, |
| scratch_pool)); |
| SVN_ERR(svn_client__get_normalized_stream(&normal_stream, ctx->wc_ctx, |
| local_abspath, revision, |
| expand_keywords, FALSE, |
| ctx->cancel_func, ctx->cancel_baton, |
| scratch_pool, scratch_pool)); |
| |
| /* We don't promise to close output, so disown it to ensure we don't. */ |
| output = svn_stream_disown(output, scratch_pool); |
| |
| if (returned_props) |
| SVN_ERR(svn_wc_prop_list2(returned_props, ctx->wc_ctx, local_abspath, |
| result_pool, scratch_pool)); |
| |
| return svn_error_trace(svn_stream_copy3(normal_stream, output, |
| ctx->cancel_func, |
| ctx->cancel_baton, scratch_pool)); |
| } |
| |
| /* Get an RA plugin for this filesystem object. */ |
| SVN_ERR(svn_client__ra_session_from_path2(&ra_session, &loc, |
| path_or_url, NULL, |
| peg_revision, |
| revision, ctx, scratch_pool)); |
| |
| /* Find the repos root URL */ |
| SVN_ERR(svn_ra_get_repos_root2(ra_session, &repos_root_url, scratch_pool)); |
| |
| /* Grab some properties we need to know in order to figure out if anything |
| special needs to be done with this file. */ |
| err = svn_ra_get_file(ra_session, "", loc->rev, NULL, NULL, &props, |
| result_pool); |
| if (err) |
| { |
| if (err->apr_err == SVN_ERR_FS_NOT_FILE) |
| { |
| return svn_error_createf(SVN_ERR_CLIENT_IS_DIRECTORY, err, |
| _("URL '%s' refers to a directory"), |
| loc->url); |
| } |
| else |
| { |
| return svn_error_trace(err); |
| } |
| } |
| |
| eol_style = svn_hash_gets(props, SVN_PROP_EOL_STYLE); |
| keywords = svn_hash_gets(props, SVN_PROP_KEYWORDS); |
| |
| if (eol_style || keywords) |
| { |
| /* It's a file with no special eol style or keywords. */ |
| svn_subst_eol_style_t eol; |
| const char *eol_str; |
| apr_hash_t *kw; |
| |
| if (eol_style) |
| svn_subst_eol_style_from_value(&eol, &eol_str, eol_style->data); |
| else |
| { |
| eol = svn_subst_eol_style_none; |
| eol_str = NULL; |
| } |
| |
| |
| if (keywords && expand_keywords) |
| { |
| svn_string_t *cmt_rev, *cmt_date, *cmt_author; |
| apr_time_t when = 0; |
| |
| cmt_rev = svn_hash_gets(props, SVN_PROP_ENTRY_COMMITTED_REV); |
| cmt_date = svn_hash_gets(props, SVN_PROP_ENTRY_COMMITTED_DATE); |
| cmt_author = svn_hash_gets(props, SVN_PROP_ENTRY_LAST_AUTHOR); |
| if (cmt_date) |
| SVN_ERR(svn_time_from_cstring(&when, cmt_date->data, scratch_pool)); |
| |
| SVN_ERR(svn_subst_build_keywords3(&kw, keywords->data, |
| cmt_rev->data, loc->url, |
| repos_root_url, when, |
| cmt_author ? |
| cmt_author->data : NULL, |
| scratch_pool)); |
| } |
| else |
| kw = NULL; |
| |
| /* Interject a translating stream */ |
| output = svn_subst_stream_translated(svn_stream_disown(out, |
| scratch_pool), |
| eol_str, FALSE, kw, TRUE, |
| scratch_pool); |
| } |
| |
| if (returned_props) |
| { |
| /* filter entry and WC props */ |
| apr_hash_index_t *hi; |
| const void *key; |
| apr_ssize_t klen; |
| |
| for (hi = apr_hash_first(scratch_pool, props); |
| hi; hi = apr_hash_next(hi)) |
| { |
| apr_hash_this(hi, &key, &klen, NULL); |
| if (!svn_wc_is_normal_prop(key)) |
| apr_hash_set(props, key, klen, NULL); |
| } |
| |
| *returned_props = props; |
| } |
| |
| SVN_ERR(svn_ra_get_file(ra_session, "", loc->rev, output, NULL, NULL, |
| scratch_pool)); |
| |
| if (out != output) |
| /* Close the interjected stream */ |
| SVN_ERR(svn_stream_close(output)); |
| |
| return SVN_NO_ERROR; |
| } |
