diff options
Diffstat (limited to 'subversion/libsvn_wc/crop.c')
| -rw-r--r-- | subversion/libsvn_wc/crop.c | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/subversion/libsvn_wc/crop.c b/subversion/libsvn_wc/crop.c new file mode 100644 index 0000000..2278476 --- /dev/null +++ b/subversion/libsvn_wc/crop.c @@ -0,0 +1,361 @@ +/* + * crop.c: Cropping the WC + * + * ==================================================================== + * 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 "svn_wc.h" +#include "svn_pools.h" +#include "svn_error.h" +#include "svn_error_codes.h" +#include "svn_dirent_uri.h" +#include "svn_path.h" + +#include "wc.h" +#include "workqueue.h" + +#include "svn_private_config.h" + +/* Helper function that crops the children of the LOCAL_ABSPATH, under the + * constraint of NEW_DEPTH. The DIR_PATH itself will never be cropped. The + * whole subtree should have been locked. + * + * DIR_DEPTH is the current depth of LOCAL_ABSPATH as stored in DB. + * + * If NOTIFY_FUNC is not null, each file and ROOT of subtree will be reported + * upon remove. + */ +static svn_error_t * +crop_children(svn_wc__db_t *db, + const char *local_abspath, + svn_depth_t dir_depth, + svn_depth_t new_depth, + svn_wc_notify_func2_t notify_func, + void *notify_baton, + svn_cancel_func_t cancel_func, + void *cancel_baton, + apr_pool_t *pool) +{ + const apr_array_header_t *children; + apr_pool_t *iterpool; + int i; + + SVN_ERR_ASSERT(new_depth >= svn_depth_empty + && new_depth <= svn_depth_infinity); + + if (cancel_func) + SVN_ERR(cancel_func(cancel_baton)); + + iterpool = svn_pool_create(pool); + + if (dir_depth == svn_depth_unknown) + dir_depth = svn_depth_infinity; + + /* Update the depth of target first, if needed. */ + if (dir_depth > new_depth) + SVN_ERR(svn_wc__db_op_set_base_depth(db, local_abspath, new_depth, + iterpool)); + + /* Looping over current directory's SVN entries: */ + SVN_ERR(svn_wc__db_read_children(&children, db, local_abspath, pool, + iterpool)); + + for (i = 0; i < children->nelts; i++) + { + const char *child_name = APR_ARRAY_IDX(children, i, const char *); + const char *child_abspath; + svn_wc__db_status_t child_status; + svn_node_kind_t kind; + svn_depth_t child_depth; + + svn_pool_clear(iterpool); + + /* Get the next node */ + child_abspath = svn_dirent_join(local_abspath, child_name, iterpool); + + SVN_ERR(svn_wc__db_read_info(&child_status, &kind, NULL, NULL, NULL, + NULL,NULL, NULL, NULL, &child_depth, + NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, + db, child_abspath, iterpool, iterpool)); + + if (child_status == svn_wc__db_status_server_excluded || + child_status == svn_wc__db_status_excluded || + child_status == svn_wc__db_status_not_present) + { + svn_depth_t remove_below = (kind == svn_node_dir) + ? svn_depth_immediates + : svn_depth_files; + if (new_depth < remove_below) + SVN_ERR(svn_wc__db_base_remove(db, child_abspath, + FALSE /* keep_as_working */, + FALSE /* queue_deletes */, + SVN_INVALID_REVNUM, + NULL, NULL, iterpool)); + + continue; + } + else if (kind == svn_node_file) + { + if (new_depth == svn_depth_empty) + SVN_ERR(svn_wc__db_op_remove_node(NULL, + db, child_abspath, + TRUE /* destroy */, + FALSE /* destroy_changes */, + SVN_INVALID_REVNUM, + svn_wc__db_status_not_present, + svn_node_none, + NULL, NULL, + cancel_func, cancel_baton, + iterpool)); + else + continue; + + } + else if (kind == svn_node_dir) + { + if (new_depth < svn_depth_immediates) + { + SVN_ERR(svn_wc__db_op_remove_node(NULL, + db, child_abspath, + TRUE /* destroy */, + FALSE /* destroy_changes */, + SVN_INVALID_REVNUM, + svn_wc__db_status_not_present, + svn_node_none, + NULL, NULL, + cancel_func, cancel_baton, + iterpool)); + } + else + { + SVN_ERR(crop_children(db, + child_abspath, + child_depth, + svn_depth_empty, + notify_func, + notify_baton, + cancel_func, + cancel_baton, + iterpool)); + continue; + } + } + else + { + return svn_error_createf + (SVN_ERR_NODE_UNKNOWN_KIND, NULL, _("Unknown node kind for '%s'"), + svn_dirent_local_style(child_abspath, iterpool)); + } + + if (notify_func) + { + svn_wc_notify_t *notify; + notify = svn_wc_create_notify(child_abspath, + svn_wc_notify_delete, + iterpool); + (*notify_func)(notify_baton, notify, iterpool); + } + } + + svn_pool_destroy(iterpool); + + return SVN_NO_ERROR; +} + +svn_error_t * +svn_wc_exclude(svn_wc_context_t *wc_ctx, + const char *local_abspath, + 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_boolean_t is_root, is_switched; + svn_wc__db_status_t status; + svn_node_kind_t kind; + svn_revnum_t revision; + const char *repos_relpath, *repos_root, *repos_uuid; + + SVN_ERR(svn_wc__db_is_switched(&is_root, &is_switched, NULL, + wc_ctx->db, local_abspath, scratch_pool)); + + if (is_root) + { + return svn_error_createf(SVN_ERR_UNSUPPORTED_FEATURE, NULL, + _("Cannot exclude '%s': " + "it is a working copy root"), + svn_dirent_local_style(local_abspath, + scratch_pool)); + } + if (is_switched) + { + return svn_error_createf(SVN_ERR_UNSUPPORTED_FEATURE, NULL, + _("Cannot exclude '%s': " + "it is a switched path"), + svn_dirent_local_style(local_abspath, + scratch_pool)); + } + + SVN_ERR(svn_wc__db_read_info(&status, &kind, &revision, &repos_relpath, + &repos_root, &repos_uuid, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, + wc_ctx->db, local_abspath, + scratch_pool, scratch_pool)); + + switch (status) + { + case svn_wc__db_status_server_excluded: + case svn_wc__db_status_excluded: + case svn_wc__db_status_not_present: + return svn_error_createf(SVN_ERR_WC_PATH_NOT_FOUND, NULL, + _("The node '%s' was not found."), + svn_dirent_local_style(local_abspath, + scratch_pool)); + + case svn_wc__db_status_added: + /* Would have to check parents if we want to allow this */ + return svn_error_createf(SVN_ERR_UNSUPPORTED_FEATURE, NULL, + _("Cannot exclude '%s': it is to be added " + "to the repository. Try commit instead"), + svn_dirent_local_style(local_abspath, + scratch_pool)); + case svn_wc__db_status_deleted: + /* Would have to check parents if we want to allow this */ + return svn_error_createf(SVN_ERR_UNSUPPORTED_FEATURE, NULL, + _("Cannot exclude '%s': it is to be deleted " + "from the repository. Try commit instead"), + svn_dirent_local_style(local_abspath, + scratch_pool)); + + case svn_wc__db_status_normal: + case svn_wc__db_status_incomplete: + default: + break; /* Ok to exclude */ + } + + /* Remove all working copy data below local_abspath */ + SVN_ERR(svn_wc__db_op_remove_node(NULL, + wc_ctx->db, local_abspath, + TRUE /* destroy */, + FALSE /* destroy_changes */, + revision, + svn_wc__db_status_excluded, + kind, + NULL, NULL, + cancel_func, cancel_baton, + scratch_pool)); + + SVN_ERR(svn_wc__wq_run(wc_ctx->db, local_abspath, + cancel_func, cancel_baton, + scratch_pool)); + + if (notify_func) + { + svn_wc_notify_t *notify; + notify = svn_wc_create_notify(local_abspath, + svn_wc_notify_exclude, + scratch_pool); + notify_func(notify_baton, notify, scratch_pool); + } + + return SVN_NO_ERROR; +} + +svn_error_t * +svn_wc_crop_tree2(svn_wc_context_t *wc_ctx, + const char *local_abspath, + svn_depth_t depth, + 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_wc__db_status_t status; + svn_node_kind_t kind; + svn_depth_t dir_depth; + + /* Only makes sense when the depth is restrictive. */ + if (depth == svn_depth_infinity) + return SVN_NO_ERROR; /* Nothing to crop */ + if (!(depth >= svn_depth_empty && depth < svn_depth_infinity)) + return svn_error_create(SVN_ERR_UNSUPPORTED_FEATURE, NULL, + _("Can only crop a working copy with a restrictive depth")); + + SVN_ERR(svn_wc__db_read_info(&status, &kind, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, &dir_depth, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, + db, local_abspath, + scratch_pool, scratch_pool)); + + if (kind != svn_node_dir) + return svn_error_create(SVN_ERR_UNSUPPORTED_FEATURE, NULL, + _("Can only crop directories")); + + switch (status) + { + case svn_wc__db_status_not_present: + case svn_wc__db_status_server_excluded: + return svn_error_createf(SVN_ERR_WC_PATH_NOT_FOUND, NULL, + _("The node '%s' was not found."), + svn_dirent_local_style(local_abspath, + scratch_pool)); + + case svn_wc__db_status_deleted: + return svn_error_createf(SVN_ERR_UNSUPPORTED_FEATURE, NULL, + _("Cannot crop '%s': it is going to be removed " + "from repository. Try commit instead"), + svn_dirent_local_style(local_abspath, + scratch_pool)); + + case svn_wc__db_status_added: + return svn_error_createf(SVN_ERR_UNSUPPORTED_FEATURE, NULL, + _("Cannot crop '%s': it is to be added " + "to the repository. Try commit instead"), + svn_dirent_local_style(local_abspath, + scratch_pool)); + case svn_wc__db_status_excluded: + return SVN_NO_ERROR; /* Nothing to do */ + + case svn_wc__db_status_normal: + case svn_wc__db_status_incomplete: + break; + + default: + SVN_ERR_MALFUNCTION(); + } + + SVN_ERR(crop_children(db, local_abspath, dir_depth, depth, + notify_func, notify_baton, + cancel_func, cancel_baton, scratch_pool)); + + return svn_error_trace(svn_wc__wq_run(db, local_abspath, + cancel_func, cancel_baton, + scratch_pool)); +} |
