| /* |
| * switch.c: implement 'switch' feature via WC & RA interfaces. |
| * |
| * ==================================================================== |
| * Copyright (c) 2000-2007 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 <assert.h> |
| |
| #include "svn_client.h" |
| #include "svn_error.h" |
| #include "svn_time.h" |
| #include "svn_path.h" |
| #include "svn_config.h" |
| #include "svn_pools.h" |
| #include "client.h" |
| #include "mergeinfo.h" |
| |
| #include "svn_private_config.h" |
| #include "private/svn_wc_private.h" |
| #include "private/svn_mergeinfo_private.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_internal(svn_revnum_t *result_rev, |
| const char *path, |
| const char *switch_url, |
| const svn_opt_revision_t *revision, |
| svn_depth_t depth, |
| svn_boolean_t *timestamp_sleep, |
| svn_boolean_t ignore_externals, |
| svn_boolean_t allow_unver_obstructions, |
| svn_client_ctx_t *ctx, |
| apr_pool_t *pool) |
| { |
| const svn_ra_reporter3_t *reporter; |
| void *report_baton; |
| const svn_wc_entry_t *entry; |
| const char *URL, *anchor, *target, *source_root; |
| svn_ra_session_t *ra_session; |
| svn_revnum_t revnum; |
| svn_node_kind_t switch_url_kind; |
| svn_error_t *err = SVN_NO_ERROR; |
| svn_wc_adm_access_t *adm_access, *dir_access; |
| const char *diff3_cmd; |
| svn_boolean_t use_commit_times; |
| svn_boolean_t sleep_here; |
| svn_boolean_t *use_sleep = timestamp_sleep ? timestamp_sleep : &sleep_here; |
| const svn_delta_editor_t *switch_editor; |
| void *switch_edit_baton; |
| svn_wc_traversal_info_t *traversal_info = svn_wc_init_traversal_info(pool); |
| const char *preserved_exts_str; |
| apr_array_header_t *preserved_exts; |
| svn_boolean_t server_supports_depth; |
| 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)); |
| |
| /* See which files the user wants to preserve the extension of when |
| conflict files are made. */ |
| svn_config_get(cfg, &preserved_exts_str, SVN_CONFIG_SECTION_MISCELLANY, |
| SVN_CONFIG_OPTION_PRESERVED_CF_EXTS, ""); |
| preserved_exts = *preserved_exts_str |
| ? svn_cstring_split(preserved_exts_str, "\n\r\t\v ", FALSE, pool) |
| : NULL; |
| |
| /* 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_versioned(&entry, anchor, adm_access, FALSE, 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, NULL, ra_session, revision, path, pool)); |
| SVN_ERR(svn_ra_get_repos_root(ra_session, &source_root, pool)); |
| |
| /* Disallow a switch operation to change the repository root of the |
| target. */ |
| if (! svn_path_is_ancestor(source_root, switch_url)) |
| return svn_error_createf |
| (SVN_ERR_WC_INVALID_SWITCH, NULL, |
| _("'%s'\n" |
| "is not the same repository as\n" |
| "'%s'"), switch_url, source_root); |
| |
| /* Check to make sure that the switch target actually exists. */ |
| SVN_ERR(svn_ra_reparent(ra_session, source_root, pool)); |
| SVN_ERR(svn_ra_check_path(ra_session, |
| svn_path_is_child(source_root, switch_url, pool), |
| revnum, |
| &switch_url_kind, |
| pool)); |
| |
| if (switch_url_kind == svn_node_none) |
| return svn_error_createf |
| (SVN_ERR_WC_INVALID_SWITCH, NULL, |
| _("Destination does not exist: '%s'"), switch_url); |
| |
| SVN_ERR(svn_ra_reparent(ra_session, URL, 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_editor3(&revnum, adm_access, target, |
| switch_url, use_commit_times, depth, |
| allow_unver_obstructions, |
| ctx->notify_func2, ctx->notify_baton2, |
| ctx->cancel_func, ctx->cancel_baton, |
| ctx->conflict_func, ctx->conflict_baton, |
| diff3_cmd, preserved_exts, |
| &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_switch2(ra_session, &reporter, &report_baton, revnum, |
| target, depth, switch_url, |
| switch_editor, switch_edit_baton, pool)); |
| |
| SVN_ERR(svn_ra_has_capability(ra_session, &server_supports_depth, |
| SVN_RA_CAPABILITY_DEPTH, 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_delta2. |
| |
| 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_revisions3(path, dir_access, reporter, report_baton, |
| TRUE, depth, (! server_supports_depth), |
| use_commit_times, |
| ctx->notify_func2, ctx->notify_baton2, |
| NULL, /* no traversal info */ |
| pool); |
| |
| if (err) |
| { |
| /* Don't rely on the error handling to handle the sleep later, do |
| it now */ |
| svn_sleep_for_timestamps(); |
| return err; |
| } |
| *use_sleep = TRUE; |
| |
| /* We handle externals after the switch is complete, so that |
| handling external items (and any errors therefrom) doesn't delay |
| the primary operation. */ |
| if (SVN_DEPTH_IS_RECURSIVE(depth) && (! ignore_externals)) |
| err = svn_client__handle_externals(traversal_info, path, switch_url, |
| source_root, depth, FALSE, use_sleep, |
| ctx, pool); |
| |
| if (!err) |
| { |
| /* Check if any mergeinfo on PATH or any its children elides as a |
| result of the switch. */ |
| apr_hash_t *children_with_mergeinfo = apr_hash_make(pool); |
| svn_wc_adm_access_t *path_adm_access; |
| SVN_ERR(svn_wc_adm_probe_retrieve(&path_adm_access, adm_access, path, |
| pool)); |
| err = svn_client__get_prop_from_wc(children_with_mergeinfo, |
| SVN_PROP_MERGE_INFO, path, FALSE, |
| entry, path_adm_access, |
| depth, ctx, pool); |
| if (err) |
| { |
| if (err->apr_err == SVN_ERR_UNVERSIONED_RESOURCE) |
| { |
| svn_error_clear(err); |
| err = SVN_NO_ERROR; |
| } |
| /* Any other error is not returned until after we sleep. */ |
| } |
| else |
| { |
| SVN_ERR(svn_client__elide_mergeinfo_for_tree(children_with_mergeinfo, |
| adm_access, ctx, pool)); |
| } |
| } |
| |
| /* Sleep to ensure timestamp integrity (we do this regardless of |
| errors in the actual switch operation(s)). */ |
| if (sleep_here) |
| 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; |
| } |
| |
| svn_error_t * |
| svn_client_switch2(svn_revnum_t *result_rev, |
| const char *path, |
| const char *switch_url, |
| const svn_opt_revision_t *revision, |
| svn_depth_t depth, |
| svn_boolean_t ignore_externals, |
| svn_boolean_t allow_unver_obstructions, |
| svn_client_ctx_t *ctx, |
| apr_pool_t *pool) |
| { |
| return svn_client__switch_internal(result_rev, path, switch_url, revision, |
| depth, NULL, ignore_externals, |
| allow_unver_obstructions, ctx, pool); |
| } |
| |
| 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) |
| { |
| return svn_client__switch_internal(result_rev, path, switch_url, revision, |
| SVN_DEPTH_INFINITY_OR_FILES(recurse), |
| NULL, FALSE, FALSE, ctx, pool); |
| } |
