/* * delete.c: Handling of the in-wc side of the delete operation * * ==================================================================== * 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. * ==================================================================== */ #include #include #include #include "svn_types.h" #include "svn_pools.h" #include "svn_string.h" #include "svn_error.h" #include "svn_dirent_uri.h" #include "svn_wc.h" #include "svn_io.h" #include "wc.h" #include "adm_files.h" #include "conflicts.h" #include "workqueue.h" #include "svn_private_config.h" #include "private/svn_wc_private.h" /* Remove/erase PATH from the working copy. This involves deleting PATH * from the physical filesystem. PATH is assumed to be an unversioned file * or directory. * * If ignore_enoent is TRUE, ignore missing targets. * * If CANCEL_FUNC is non-null, invoke it with CANCEL_BATON at various * points, return any error immediately. */ static svn_error_t * erase_unversioned_from_wc(const char *path, svn_boolean_t ignore_enoent, svn_cancel_func_t cancel_func, void *cancel_baton, apr_pool_t *scratch_pool) { svn_error_t *err; /* Optimize the common case: try to delete the file */ err = svn_io_remove_file2(path, ignore_enoent, scratch_pool); if (err) { /* Then maybe it was a directory? */ svn_error_clear(err); err = svn_io_remove_dir2(path, ignore_enoent, cancel_func, cancel_baton, scratch_pool); if (err) { /* We're unlikely to end up here. But we need this fallback to make sure we report the right error *and* try the correct deletion at least once. */ svn_node_kind_t kind; svn_error_clear(err); SVN_ERR(svn_io_check_path(path, &kind, scratch_pool)); if (kind == svn_node_file) SVN_ERR(svn_io_remove_file2(path, ignore_enoent, scratch_pool)); else if (kind == svn_node_dir) SVN_ERR(svn_io_remove_dir2(path, ignore_enoent, cancel_func, cancel_baton, scratch_pool)); else if (kind == svn_node_none) return svn_error_createf(SVN_ERR_BAD_FILENAME, NULL, _("'%s' does not exist"), svn_dirent_local_style(path, scratch_pool)); else return svn_error_createf(SVN_ERR_UNSUPPORTED_FEATURE, NULL, _("Unsupported node kind for path '%s'"), svn_dirent_local_style(path, scratch_pool)); } } return SVN_NO_ERROR; } /* Helper for svn_wc__delete and svn_wc__delete_many */ static svn_error_t * create_delete_wq_items(svn_skel_t **work_items, svn_wc__db_t *db, const char *local_abspath, svn_node_kind_t kind, svn_boolean_t conflicted, apr_pool_t *result_pool, apr_pool_t *scratch_pool) { *work_items = NULL; /* Schedule the on-disk delete */ if (kind == svn_node_dir) SVN_ERR(svn_wc__wq_build_dir_remove(work_items, db, local_abspath, local_abspath, TRUE /* recursive */, result_pool, scratch_pool)); else SVN_ERR(svn_wc__wq_build_file_remove(work_items, db, local_abspath, local_abspath, result_pool, scratch_pool)); /* Read conflicts, to allow deleting the markers after updating the DB */ if (conflicted) { svn_skel_t *conflict; const apr_array_header_t *markers; int i; SVN_ERR(svn_wc__db_read_conflict(&conflict, NULL, NULL, db, local_abspath, scratch_pool, scratch_pool)); SVN_ERR(svn_wc__conflict_read_markers(&markers, db, local_abspath, conflict, scratch_pool, scratch_pool)); /* Maximum number of markers is 4, so no iterpool */ for (i = 0; markers && i < markers->nelts; i++) { const char *marker_abspath; svn_node_kind_t marker_kind; marker_abspath = APR_ARRAY_IDX(markers, i, const char *); SVN_ERR(svn_io_check_path(marker_abspath, &marker_kind, scratch_pool)); if (marker_kind == svn_node_file) { svn_skel_t *work_item; SVN_ERR(svn_wc__wq_build_file_remove(&work_item, db, local_abspath, marker_abspath, result_pool, scratch_pool)); *work_items = svn_wc__wq_merge(*work_items, work_item, result_pool); } } } return SVN_NO_ERROR; } svn_error_t * svn_wc__delete_many(svn_wc_context_t *wc_ctx, const apr_array_header_t *targets, svn_boolean_t keep_local, svn_boolean_t delete_unversioned_target, svn_cancel_func_t cancel_func, void *cancel_baton, svn_wc_notify_func2_t notify_func, void *notify_baton, apr_pool_t *scratch_pool) { svn_wc__db_t *db = wc_ctx->db; svn_error_t *err; svn_wc__db_status_t status; svn_node_kind_t kind; svn_skel_t *work_items = NULL; apr_array_header_t *versioned_targets; const char *local_abspath; int i; apr_pool_t *iterpool; iterpool = svn_pool_create(scratch_pool); versioned_targets = apr_array_make(scratch_pool, targets->nelts, sizeof(const char *)); for (i = 0; i < targets->nelts; i++) { svn_boolean_t conflicted = FALSE; const char *repos_relpath; svn_pool_clear(iterpool); local_abspath = APR_ARRAY_IDX(targets, i, const char *); err = svn_wc__db_read_info(&status, &kind, NULL, &repos_relpath, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &conflicted, NULL, NULL, NULL, NULL, NULL, NULL, db, local_abspath, iterpool, iterpool); if (err) { if (err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND) { svn_error_clear(err); if (delete_unversioned_target && !keep_local) SVN_ERR(erase_unversioned_from_wc(local_abspath, FALSE, cancel_func, cancel_baton, iterpool)); continue; } else return svn_error_trace(err); } APR_ARRAY_PUSH(versioned_targets, const char *) = local_abspath; switch (status) { /* svn_wc__db_status_server_excluded handled by * svn_wc__db_op_delete_many */ case svn_wc__db_status_excluded: case svn_wc__db_status_not_present: return svn_error_createf(SVN_ERR_WC_PATH_NOT_FOUND, NULL, _("'%s' cannot be deleted"), svn_dirent_local_style(local_abspath, iterpool)); /* Explicitly ignore other statii */ default: break; } if (status == svn_wc__db_status_normal && kind == svn_node_dir) { svn_boolean_t is_wcroot; SVN_ERR(svn_wc__db_is_wcroot(&is_wcroot, db, local_abspath, iterpool)); if (is_wcroot) return svn_error_createf(SVN_ERR_WC_PATH_UNEXPECTED_STATUS, NULL, _("'%s' is the root of a working copy and " "cannot be deleted"), svn_dirent_local_style(local_abspath, iterpool)); } if (repos_relpath && !repos_relpath[0]) return svn_error_createf(SVN_ERR_WC_PATH_UNEXPECTED_STATUS, NULL, _("'%s' represents the repository root " "and cannot be deleted"), svn_dirent_local_style(local_abspath, iterpool)); /* Verify if we have a write lock on the parent of this node as we might be changing the childlist of that directory. */ SVN_ERR(svn_wc__write_check(db, svn_dirent_dirname(local_abspath, iterpool), iterpool)); /* Prepare the on-disk delete */ if (!keep_local) { svn_skel_t *work_item; SVN_ERR(create_delete_wq_items(&work_item, db, local_abspath, kind, conflicted, scratch_pool, iterpool)); work_items = svn_wc__wq_merge(work_items, work_item, scratch_pool); } } if (versioned_targets->nelts == 0) return SVN_NO_ERROR; SVN_ERR(svn_wc__db_op_delete_many(db, versioned_targets, !keep_local /* delete_dir_externals */, work_items, cancel_func, cancel_baton, notify_func, notify_baton, iterpool)); if (work_items != NULL) { /* Our only caller locked the wc, so for now assume it only passed nodes from a single wc (asserted in svn_wc__db_op_delete_many) */ local_abspath = APR_ARRAY_IDX(versioned_targets, 0, const char *); SVN_ERR(svn_wc__wq_run(db, local_abspath, cancel_func, cancel_baton, iterpool)); } svn_pool_destroy(iterpool); return SVN_NO_ERROR; } svn_error_t * svn_wc_delete4(svn_wc_context_t *wc_ctx, const char *local_abspath, svn_boolean_t keep_local, svn_boolean_t delete_unversioned_target, svn_cancel_func_t cancel_func, void *cancel_baton, svn_wc_notify_func2_t notify_func, void *notify_baton, apr_pool_t *scratch_pool) { apr_pool_t *pool = scratch_pool; svn_wc__db_t *db = wc_ctx->db; svn_error_t *err; svn_wc__db_status_t status; svn_node_kind_t kind; svn_boolean_t conflicted; svn_skel_t *work_items = NULL; const char *repos_relpath; err = svn_wc__db_read_info(&status, &kind, NULL, &repos_relpath, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &conflicted, NULL, NULL, NULL, NULL, NULL, NULL, db, local_abspath, pool, pool); if (delete_unversioned_target && err != NULL && err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND) { svn_error_clear(err); if (!keep_local) SVN_ERR(erase_unversioned_from_wc(local_abspath, FALSE, cancel_func, cancel_baton, pool)); return SVN_NO_ERROR; } else SVN_ERR(err); switch (status) { /* svn_wc__db_status_server_excluded handled by svn_wc__db_op_delete */ case svn_wc__db_status_excluded: case svn_wc__db_status_not_present: return svn_error_createf(SVN_ERR_WC_PATH_NOT_FOUND, NULL, _("'%s' cannot be deleted"), svn_dirent_local_style(local_abspath, pool)); /* Explicitly ignore other statii */ default: break; } if (status == svn_wc__db_status_normal && kind == svn_node_dir) { svn_boolean_t is_wcroot; SVN_ERR(svn_wc__db_is_wcroot(&is_wcroot, db, local_abspath, pool)); if (is_wcroot) return svn_error_createf(SVN_ERR_WC_PATH_UNEXPECTED_STATUS, NULL, _("'%s' is the root of a working copy and " "cannot be deleted"), svn_dirent_local_style(local_abspath, pool)); } if (repos_relpath && !repos_relpath[0]) return svn_error_createf(SVN_ERR_WC_PATH_UNEXPECTED_STATUS, NULL, _("'%s' represents the repository root " "and cannot be deleted"), svn_dirent_local_style(local_abspath, pool)); /* Verify if we have a write lock on the parent of this node as we might be changing the childlist of that directory. */ SVN_ERR(svn_wc__write_check(db, svn_dirent_dirname(local_abspath, pool), pool)); /* Prepare the on-disk delete */ if (!keep_local) { SVN_ERR(create_delete_wq_items(&work_items, db, local_abspath, kind, conflicted, scratch_pool, scratch_pool)); } SVN_ERR(svn_wc__db_op_delete(db, local_abspath, NULL /*moved_to_abspath */, !keep_local /* delete_dir_externals */, NULL, work_items, cancel_func, cancel_baton, notify_func, notify_baton, pool)); if (work_items) SVN_ERR(svn_wc__wq_run(db, local_abspath, cancel_func, cancel_baton, scratch_pool)); return SVN_NO_ERROR; } svn_error_t * svn_wc__internal_remove_from_revision_control(svn_wc__db_t *db, const char *local_abspath, svn_boolean_t destroy_wf, svn_cancel_func_t cancel_func, void *cancel_baton, apr_pool_t *scratch_pool) { svn_boolean_t left_something = FALSE; svn_boolean_t is_root; svn_error_t *err = NULL; SVN_ERR(svn_wc__db_is_wcroot(&is_root, db, local_abspath, scratch_pool)); SVN_ERR(svn_wc__write_check(db, is_root ? local_abspath : svn_dirent_dirname(local_abspath, scratch_pool), scratch_pool)); SVN_ERR(svn_wc__db_op_remove_node(&left_something, db, local_abspath, destroy_wf /* destroy_wc */, destroy_wf /* destroy_changes */, NULL, NULL, cancel_func, cancel_baton, scratch_pool)); SVN_ERR(svn_wc__wq_run(db, local_abspath, cancel_func, cancel_baton, scratch_pool)); if (is_root) { /* Destroy the administrative area */ SVN_ERR(svn_wc__adm_destroy(db, local_abspath, cancel_func, cancel_baton, scratch_pool)); /* And if we didn't leave something interesting, remove the directory */ if (!left_something && destroy_wf) err = svn_io_dir_remove_nonrecursive(local_abspath, scratch_pool); } if (left_something || err) return svn_error_create(SVN_ERR_WC_LEFT_LOCAL_MOD, err, NULL); return SVN_NO_ERROR; } /* Implements svn_wc_status_func4_t for svn_wc_remove_from_revision_control2 */ static svn_error_t * remove_from_revision_status_callback(void *baton, const char *local_abspath, const svn_wc_status3_t *status, apr_pool_t *scratch_pool) { /* For legacy reasons we only check the file contents for changes */ if (status->versioned && status->kind == svn_node_file && (status->text_status == svn_wc_status_modified || status->text_status == svn_wc_status_conflicted)) { return svn_error_createf(SVN_ERR_WC_LEFT_LOCAL_MOD, NULL, _("File '%s' has local modifications"), svn_dirent_local_style(local_abspath, scratch_pool)); } return SVN_NO_ERROR; } svn_error_t * svn_wc_remove_from_revision_control2(svn_wc_context_t *wc_ctx, const char *local_abspath, svn_boolean_t destroy_wf, svn_boolean_t instant_error, svn_cancel_func_t cancel_func, void *cancel_baton, apr_pool_t *scratch_pool) { if (instant_error) { SVN_ERR(svn_wc_walk_status(wc_ctx, local_abspath, svn_depth_infinity, FALSE, FALSE, FALSE, NULL, remove_from_revision_status_callback, NULL, cancel_func, cancel_baton, scratch_pool)); } return svn_error_trace( svn_wc__internal_remove_from_revision_control(wc_ctx->db, local_abspath, destroy_wf, cancel_func, cancel_baton, scratch_pool)); }