/* * 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; }