/* * switch.c: implement 'switch' feature via WC & RA interfaces. * * ==================================================================== * Copyright (c) 2000-2004 CollabNet. All rights reserved. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at http://subversion.tigris.org/license-1.html. * If newer versions of this license are posted there, you may use a * newer version instead, at your option. * * This software consists of voluntary contributions made by many * individuals. For exact contribution history, see the revision * history and logs, available at http://subversion.tigris.org/. * ==================================================================== */ /* ==================================================================== */ /*** Includes. ***/ #include #include "svn_wc.h" #include "svn_client.h" #include "svn_error.h" #include "svn_time.h" #include "svn_path.h" #include "svn_config.h" #include "client.h" #include "svn_private_config.h" /*** Code. ***/ /* This feature is essentially identical to 'svn update' (see ./update.c), but with two differences: - the reporter->finish_report() routine needs to make the server run delta_dirs() on two *different* paths, rather than on two identical paths. - after the update runs, we need to more than just ensure_uniform_revision; we need to rewrite all the entries' URL attributes. */ svn_error_t * svn_client_switch (svn_revnum_t *result_rev, const char *path, const char *switch_url, const svn_opt_revision_t *revision, svn_boolean_t recurse, svn_client_ctx_t *ctx, apr_pool_t *pool) { const svn_ra_reporter2_t *reporter; void *report_baton; const svn_wc_entry_t *entry; const char *URL, *anchor, *target; svn_ra_session_t *ra_session; svn_revnum_t revnum; svn_error_t *err = SVN_NO_ERROR; svn_wc_adm_access_t *adm_access, *dir_access; const char *diff3_cmd; svn_boolean_t timestamp_sleep = FALSE; svn_boolean_t use_commit_times; const svn_delta_editor_t *switch_editor; void *switch_edit_baton; svn_wc_traversal_info_t *traversal_info = svn_wc_init_traversal_info (pool); svn_config_t *cfg = ctx->config ? apr_hash_get (ctx->config, SVN_CONFIG_CATEGORY_CONFIG, APR_HASH_KEY_STRING) : NULL; /* Get the external diff3, if any. */ svn_config_get (cfg, &diff3_cmd, SVN_CONFIG_SECTION_HELPERS, SVN_CONFIG_OPTION_DIFF3_CMD, NULL); /* See if the user wants last-commit timestamps instead of current ones. */ SVN_ERR (svn_config_get_bool (cfg, &use_commit_times, SVN_CONFIG_SECTION_MISCELLANY, SVN_CONFIG_OPTION_USE_COMMIT_TIMES, FALSE)); /* Sanity check. Without these, the switch is meaningless. */ assert (path); assert (switch_url && (switch_url[0] != '\0')); /* ### Need to lock the whole target tree to invalidate wcprops. Does non-recursive switch really need to invalidate the whole tree? */ SVN_ERR (svn_wc_adm_open_anchor (&adm_access, &dir_access, &target, path, TRUE, -1, ctx->cancel_func, ctx->cancel_baton, pool)); anchor = svn_wc_adm_access_path (adm_access); SVN_ERR (svn_wc_entry (&entry, anchor, adm_access, FALSE, pool)); if (! entry) return svn_error_createf (SVN_ERR_UNVERSIONED_RESOURCE, NULL, _("'%s' is not under version control"), svn_path_local_style (anchor, pool)); if (! entry->url) return svn_error_createf (SVN_ERR_ENTRY_MISSING_URL, NULL, _("Directory '%s' has no URL"), svn_path_local_style (anchor, pool)); URL = apr_pstrdup (pool, entry->url); /* Get revnum set to something meaningful, so we can fetch the switch editor. */ if (revision->kind == svn_opt_revision_number) revnum = revision->value.number; /* do the trivial conversion manually */ else revnum = SVN_INVALID_REVNUM; /* no matter, do real conversion later */ /* Open an RA session to 'source' URL */ SVN_ERR (svn_client__open_ra_session_internal (&ra_session, URL, anchor, adm_access, NULL, TRUE, FALSE, ctx, pool)); SVN_ERR (svn_client__get_revision_number (&revnum, ra_session, revision, path, pool)); /* Fetch the switch (update) editor. If REVISION is invalid, that's okay; the RA driver will call editor->set_target_revision() later on. */ SVN_ERR (svn_wc_get_switch_editor2 (&revnum, adm_access, target, switch_url, use_commit_times, recurse, ctx->notify_func2, ctx->notify_baton2, ctx->cancel_func, ctx->cancel_baton, diff3_cmd, &switch_editor, &switch_edit_baton, traversal_info, pool)); /* Tell RA to do an update of URL+TARGET to REVISION; if we pass an invalid revnum, that means RA will use the latest revision. */ SVN_ERR (svn_ra_do_switch (ra_session, &reporter, &report_baton, revnum, target, recurse, switch_url, switch_editor, switch_edit_baton, pool)); /* Drive the reporter structure, describing the revisions within PATH. When we call reporter->finish_report, the update_editor will be driven by svn_repos_dir_delta. We pass NULL for traversal_info because this is a switch, not an update, and therefore we don't want to handle any externals except the ones directly affected by the switch. */ err = svn_wc_crawl_revisions2 (path, dir_access, reporter, report_baton, TRUE, recurse, use_commit_times, ctx->notify_func2, ctx->notify_baton2, NULL, /* no traversal info */ pool); /* We handle externals after the switch is complete, so that handling external items (and any errors therefrom) doesn't delay the primary operation. We ignore the timestamp_sleep value since there is an unconditional sleep later on. */ if (! err) err = svn_client__handle_externals (traversal_info, FALSE, ×tamp_sleep, ctx, pool); /* Sleep to ensure timestamp integrity (we do this regardless of errors in the actual switch operation(s)). */ svn_sleep_for_timestamps (); /* Return errors we might have sustained. */ if (err) return err; SVN_ERR (svn_wc_adm_close (adm_access)); /* Let everyone know we're finished here. */ if (ctx->notify_func2) { svn_wc_notify_t *notify = svn_wc_create_notify (anchor, svn_wc_notify_update_completed, pool); notify->kind = svn_node_none; notify->content_state = notify->prop_state = svn_wc_notify_state_inapplicable; notify->lock_state = svn_wc_notify_lock_state_inapplicable; notify->revision = revnum; (*ctx->notify_func2) (ctx->notify_baton2, notify, pool); } /* If the caller wants the result revision, give it to them. */ if (result_rev) *result_rev = revnum; return SVN_NO_ERROR; }