diff options
Diffstat (limited to 'subversion/libsvn_wc/cleanup.c')
| -rw-r--r-- | subversion/libsvn_wc/cleanup.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/subversion/libsvn_wc/cleanup.c b/subversion/libsvn_wc/cleanup.c new file mode 100644 index 0000000..8ffb87e --- /dev/null +++ b/subversion/libsvn_wc/cleanup.c @@ -0,0 +1,231 @@ +/* + * cleanup.c: handle cleaning up workqueue items + * + * ==================================================================== + * 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 <string.h> + +#include "svn_wc.h" +#include "svn_error.h" +#include "svn_pools.h" +#include "svn_io.h" +#include "svn_dirent_uri.h" + +#include "wc.h" +#include "adm_files.h" +#include "lock.h" +#include "workqueue.h" + +#include "private/svn_wc_private.h" +#include "svn_private_config.h" + + +/*** Recursively do log things. ***/ + +/* */ +static svn_error_t * +can_be_cleaned(int *wc_format, + svn_wc__db_t *db, + const char *local_abspath, + apr_pool_t *scratch_pool) +{ + SVN_ERR(svn_wc__internal_check_wc(wc_format, db, + local_abspath, FALSE, scratch_pool)); + + /* a "version" of 0 means a non-wc directory */ + if (*wc_format == 0) + return svn_error_createf(SVN_ERR_WC_NOT_WORKING_COPY, NULL, + _("'%s' is not a working copy directory"), + svn_dirent_local_style(local_abspath, + scratch_pool)); + + if (*wc_format < SVN_WC__WC_NG_VERSION) + return svn_error_create(SVN_ERR_WC_UNSUPPORTED_FORMAT, NULL, + _("Log format too old, please use " + "Subversion 1.6 or earlier")); + + return SVN_NO_ERROR; +} + +/* Do a modifed check for LOCAL_ABSPATH, and all working children, to force + timestamp repair. */ +static svn_error_t * +repair_timestamps(svn_wc__db_t *db, + const char *local_abspath, + svn_cancel_func_t cancel_func, + void *cancel_baton, + apr_pool_t *scratch_pool) +{ + svn_node_kind_t kind; + svn_wc__db_status_t status; + + if (cancel_func) + SVN_ERR(cancel_func(cancel_baton)); + + SVN_ERR(svn_wc__db_read_info(&status, &kind, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + 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 (status == svn_wc__db_status_server_excluded + || status == svn_wc__db_status_deleted + || status == svn_wc__db_status_excluded + || status == svn_wc__db_status_not_present) + return SVN_NO_ERROR; + + if (kind == svn_node_file + || kind == svn_node_symlink) + { + svn_boolean_t modified; + SVN_ERR(svn_wc__internal_file_modified_p(&modified, + db, local_abspath, FALSE, + scratch_pool)); + } + else if (kind == svn_node_dir) + { + apr_pool_t *iterpool = svn_pool_create(scratch_pool); + const apr_array_header_t *children; + int i; + + SVN_ERR(svn_wc__db_read_children_of_working_node(&children, db, + local_abspath, + scratch_pool, + iterpool)); + for (i = 0; i < children->nelts; ++i) + { + const char *child_abspath; + + svn_pool_clear(iterpool); + + child_abspath = svn_dirent_join(local_abspath, + APR_ARRAY_IDX(children, i, + const char *), + iterpool); + + SVN_ERR(repair_timestamps(db, child_abspath, + cancel_func, cancel_baton, iterpool)); + } + svn_pool_destroy(iterpool); + } + + return SVN_NO_ERROR; +} + +/* */ +static svn_error_t * +cleanup_internal(svn_wc__db_t *db, + const char *dir_abspath, + svn_cancel_func_t cancel_func, + void *cancel_baton, + apr_pool_t *scratch_pool) +{ + int wc_format; + svn_boolean_t is_wcroot; + const char *lock_abspath; + + /* Can we even work with this directory? */ + SVN_ERR(can_be_cleaned(&wc_format, db, dir_abspath, scratch_pool)); + + /* We cannot obtain a lock on a directory that's within a locked + subtree, so always run cleanup from the lock owner. */ + SVN_ERR(svn_wc__db_wclock_find_root(&lock_abspath, db, dir_abspath, + scratch_pool, scratch_pool)); + if (lock_abspath) + dir_abspath = lock_abspath; + SVN_ERR(svn_wc__db_wclock_obtain(db, dir_abspath, -1, TRUE, scratch_pool)); + + /* Run our changes before the subdirectories. We may not have to recurse + if we blow away a subdir. */ + if (wc_format >= SVN_WC__HAS_WORK_QUEUE) + SVN_ERR(svn_wc__wq_run(db, dir_abspath, cancel_func, cancel_baton, + scratch_pool)); + + SVN_ERR(svn_wc__db_is_wcroot(&is_wcroot, db, dir_abspath, scratch_pool)); + +#ifdef SVN_DEBUG + SVN_ERR(svn_wc__db_verify(db, dir_abspath, scratch_pool)); +#endif + + /* Perform these operations if we lock the entire working copy. + Note that we really need to check a wcroot value and not + svn_wc__check_wcroot() as that function, will just return true + once we start sharing databases with externals. + */ + if (is_wcroot) + { + /* Cleanup the tmp area of the admin subdir, if running the log has not + removed it! The logs have been run, so anything left here has no hope + of being useful. */ + SVN_ERR(svn_wc__adm_cleanup_tmp_area(db, dir_abspath, scratch_pool)); + + /* Remove unreferenced pristine texts */ + SVN_ERR(svn_wc__db_pristine_cleanup(db, dir_abspath, scratch_pool)); + } + + SVN_ERR(repair_timestamps(db, dir_abspath, cancel_func, cancel_baton, + scratch_pool)); + + /* All done, toss the lock */ + SVN_ERR(svn_wc__db_wclock_release(db, dir_abspath, scratch_pool)); + + return SVN_NO_ERROR; +} + + +/* ### possibly eliminate the WC_CTX parameter? callers really shouldn't + ### be doing anything *but* running a cleanup, and we need a special + ### DB anyway. ... *shrug* ... consider later. */ +svn_error_t * +svn_wc_cleanup3(svn_wc_context_t *wc_ctx, + const char *local_abspath, + svn_cancel_func_t cancel_func, + void *cancel_baton, + apr_pool_t *scratch_pool) +{ + svn_wc__db_t *db; + + SVN_ERR_ASSERT(svn_dirent_is_absolute(local_abspath)); + + /* We need a DB that allows a non-empty work queue (though it *will* + auto-upgrade). We'll handle everything manually. */ + SVN_ERR(svn_wc__db_open(&db, + NULL /* ### config */, FALSE, FALSE, + scratch_pool, scratch_pool)); + + SVN_ERR(cleanup_internal(db, local_abspath, cancel_func, cancel_baton, + scratch_pool)); + + /* The DAV cache suffers from flakiness from time to time, and the + pre-1.7 prescribed workarounds aren't as user-friendly in WC-NG. */ + SVN_ERR(svn_wc__db_base_clear_dav_cache_recursive(db, local_abspath, + scratch_pool)); + + SVN_ERR(svn_wc__db_vacuum(db, local_abspath, scratch_pool)); + + /* We're done with this DB, so proactively close it. */ + SVN_ERR(svn_wc__db_close(db)); + + return SVN_NO_ERROR; +} |
