diff options
Diffstat (limited to 'subversion/libsvn_client/revert.c')
| -rw-r--r-- | subversion/libsvn_client/revert.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/subversion/libsvn_client/revert.c b/subversion/libsvn_client/revert.c new file mode 100644 index 0000000..681e39c --- /dev/null +++ b/subversion/libsvn_client/revert.c @@ -0,0 +1,201 @@ +/* + * revert.c: wrapper around wc revert functionality. + * + * ==================================================================== + * 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_path.h" +#include "svn_wc.h" +#include "svn_client.h" +#include "svn_dirent_uri.h" +#include "svn_hash.h" +#include "svn_pools.h" +#include "svn_error.h" +#include "svn_time.h" +#include "svn_config.h" +#include "client.h" +#include "private/svn_wc_private.h" + +#include "svn_private_config.h" + + +/*** Code. ***/ + +struct revert_with_write_lock_baton { + const char *local_abspath; + svn_depth_t depth; + svn_boolean_t use_commit_times; + const apr_array_header_t *changelists; + svn_client_ctx_t *ctx; +}; + +/* (Note: All arguments are in the baton above.) + + Attempt to revert LOCAL_ABSPATH. + + If DEPTH is svn_depth_empty, revert just the properties on the + directory; else if svn_depth_files, revert the properties and any + files immediately under the directory; else if + svn_depth_immediates, revert all of the preceding plus properties + on immediate subdirectories; else if svn_depth_infinity, revert + path and everything under it fully recursively. + + CHANGELISTS is an array of const char * changelist names, used as a + restrictive filter on items reverted; that is, don't revert any + item unless it's a member of one of those changelists. If + CHANGELISTS is empty (or altogether NULL), no changelist filtering occurs. + + Consult CTX to determine whether or not to revert timestamp to the + time of last commit ('use-commit-times = yes'). + + If PATH is unversioned, return SVN_ERR_UNVERSIONED_RESOURCE. */ +static svn_error_t * +revert(void *baton, apr_pool_t *result_pool, apr_pool_t *scratch_pool) +{ + struct revert_with_write_lock_baton *b = baton; + svn_error_t *err; + + err = svn_wc_revert4(b->ctx->wc_ctx, + b->local_abspath, + b->depth, + b->use_commit_times, + b->changelists, + b->ctx->cancel_func, b->ctx->cancel_baton, + b->ctx->notify_func2, b->ctx->notify_baton2, + scratch_pool); + + if (err) + { + /* If target isn't versioned, just send a 'skip' + notification and move on. */ + if (err->apr_err == SVN_ERR_ENTRY_NOT_FOUND + || err->apr_err == SVN_ERR_UNVERSIONED_RESOURCE + || err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND) + { + if (b->ctx->notify_func2) + (*b->ctx->notify_func2)( + b->ctx->notify_baton2, + svn_wc_create_notify(b->local_abspath, svn_wc_notify_skip, + scratch_pool), + scratch_pool); + svn_error_clear(err); + } + else + return svn_error_trace(err); + } + + return SVN_NO_ERROR; +} + + +svn_error_t * +svn_client_revert2(const apr_array_header_t *paths, + svn_depth_t depth, + const apr_array_header_t *changelists, + svn_client_ctx_t *ctx, + apr_pool_t *pool) +{ + apr_pool_t *subpool; + svn_error_t *err = SVN_NO_ERROR; + int i; + svn_config_t *cfg; + svn_boolean_t use_commit_times; + struct revert_with_write_lock_baton baton; + + /* Don't even attempt to modify the working copy if any of the + * targets look like URLs. URLs are invalid input. */ + for (i = 0; i < paths->nelts; i++) + { + const char *path = APR_ARRAY_IDX(paths, i, const char *); + + if (svn_path_is_url(path)) + return svn_error_createf(SVN_ERR_ILLEGAL_TARGET, NULL, + _("'%s' is not a local path"), path); + } + + cfg = ctx->config + ? svn_hash_gets(ctx->config, SVN_CONFIG_CATEGORY_CONFIG) + : NULL; + + SVN_ERR(svn_config_get_bool(cfg, &use_commit_times, + SVN_CONFIG_SECTION_MISCELLANY, + SVN_CONFIG_OPTION_USE_COMMIT_TIMES, + FALSE)); + + subpool = svn_pool_create(pool); + + for (i = 0; i < paths->nelts; i++) + { + const char *path = APR_ARRAY_IDX(paths, i, const char *); + const char *local_abspath, *lock_target; + svn_boolean_t wc_root; + + svn_pool_clear(subpool); + + /* See if we've been asked to cancel this operation. */ + if ((ctx->cancel_func) + && ((err = ctx->cancel_func(ctx->cancel_baton)))) + goto errorful; + + err = svn_dirent_get_absolute(&local_abspath, path, pool); + if (err) + goto errorful; + + baton.local_abspath = local_abspath; + baton.depth = depth; + baton.use_commit_times = use_commit_times; + baton.changelists = changelists; + baton.ctx = ctx; + + err = svn_wc__is_wcroot(&wc_root, ctx->wc_ctx, local_abspath, pool); + if (err) + goto errorful; + lock_target = wc_root ? local_abspath + : svn_dirent_dirname(local_abspath, pool); + err = svn_wc__call_with_write_lock(revert, &baton, ctx->wc_ctx, + lock_target, FALSE, pool, pool); + if (err) + goto errorful; + } + + errorful: + + { + /* Sleep to ensure timestamp integrity. */ + const char *sleep_path = NULL; + + /* Only specify a path if we are certain all paths are on the + same filesystem */ + if (paths->nelts == 1) + sleep_path = APR_ARRAY_IDX(paths, 0, const char *); + + svn_io_sleep_for_timestamps(sleep_path, subpool); + } + + svn_pool_destroy(subpool); + + return svn_error_trace(err); +} |
