/*
* update.c: wrappers around wc update functionality
*
* ====================================================================
* Copyright (c) 2000-2009 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 "svn_wc.h"
#include "svn_client.h"
#include "svn_error.h"
#include "svn_config.h"
#include "svn_time.h"
#include "svn_dirent_uri.h"
#include "svn_path.h"
#include "svn_pools.h"
#include "svn_io.h"
#include "client.h"
#include "svn_private_config.h"
#include "private/svn_wc_private.h"
/*** Code. ***/
/* Context baton for file_fetcher below. */
struct ff_baton
{
svn_client_ctx_t *ctx; /* client context used to open ra session */
const char *repos_root; /* repository root URL */
svn_ra_session_t *session; /* the secondary ra session itself */
apr_pool_t *pool; /* the pool where the ra session is allocated */
};
/* Implementation of svn_wc_get_file_t. A feeble callback wrapper
around svn_ra_get_file(), so that the update_editor can use it to
fetch any file, any time. */
static svn_error_t *
file_fetcher(void *baton,
const char *path,
svn_revnum_t revision,
svn_stream_t *stream,
svn_revnum_t *fetched_rev,
apr_hash_t **props,
apr_pool_t *pool)
{
struct ff_baton *ffb = (struct ff_baton *)baton;
const char *dirpath, *base_name, *session_url, *old_session_url;
svn_path_split(path, &dirpath, &base_name, pool);
session_url = svn_path_url_add_component2(ffb->repos_root,
dirpath, pool);
if (ffb->session)
SVN_ERR(svn_client__ensure_ra_session_url(&old_session_url, ffb->session,
session_url, ffb->pool));
else
SVN_ERR(svn_client__open_ra_session_internal(&(ffb->session), session_url,
NULL, NULL, NULL,
FALSE, TRUE,
ffb->ctx, ffb->pool));
return svn_ra_get_file(ffb->session, base_name, revision, stream,
fetched_rev, props, pool);
}
svn_error_t *
svn_client__update_internal(svn_revnum_t *result_rev,
const char *path,
const svn_opt_revision_t *revision,
svn_depth_t depth,
svn_boolean_t depth_is_sticky,
svn_boolean_t ignore_externals,
svn_boolean_t allow_unver_obstructions,
svn_boolean_t *timestamp_sleep,
svn_boolean_t send_copyfrom_args,
svn_client_ctx_t *ctx,
apr_pool_t *pool)
{
const svn_delta_editor_t *update_editor;
void *update_edit_baton;
const svn_ra_reporter3_t *reporter;
void *report_baton;
const svn_wc_entry_t *entry;
const char *anchor, *target;
const char *repos_root;
svn_error_t *err;
svn_revnum_t revnum;
int levels_to_lock;
svn_wc_traversal_info_t *traversal_info = svn_wc_init_traversal_info(pool);
svn_wc_adm_access_t *adm_access;
svn_boolean_t use_commit_times;
svn_boolean_t sleep_here = FALSE;
svn_boolean_t *use_sleep = timestamp_sleep ? timestamp_sleep : &sleep_here;
const char *diff3_cmd;
svn_ra_session_t *ra_session;
svn_wc_adm_access_t *dir_access;
const char *preserved_exts_str;
apr_array_header_t *preserved_exts;
struct ff_baton *ffb;
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;
/* An unknown depth can't be sticky. */
if (depth == svn_depth_unknown)
depth_is_sticky = FALSE;
/* ### Ah, the irony. We'd like to base our levels_to_lock on the
### depth we're going to use for the update. But that may depend
### on the depth in the working copy, which we can't discover
### without calling adm_open. We could expend an extra call,
### with levels_to_lock=0, to get the real depth (but only if we
### need to) and then make the real call... but it's not worth
### the complexity right now. If the requested depth tells us to
### lock the entire tree when we don't actually need to, that's a
### performance hit, but (except for access contention) it is not
### a correctness problem. */
/* We may have to crop the subtree if the depth is sticky, so lock the
entire tree in such a situation*/
levels_to_lock = depth_is_sticky
? -1 : SVN_WC__LEVELS_TO_LOCK_FROM_DEPTH(depth);
/* Sanity check. Without this, the update is meaningless. */
SVN_ERR_ASSERT(path);
if (svn_path_is_url(path))
return svn_error_createf(SVN_ERR_WC_NOT_DIRECTORY, NULL,
_("Path '%s' is not a directory"),
path);
/* Use PATH to get the update's anchor and targets and get a write lock */
SVN_ERR(svn_wc_adm_open_anchor(&adm_access, &dir_access, &target, path,
TRUE, levels_to_lock,
ctx->cancel_func, ctx->cancel_baton,
pool));
anchor = svn_wc_adm_access_path(adm_access);
/* Get full URL from the ANCHOR. */
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,
_("Entry '%s' has no URL"),
svn_path_local_style(anchor, pool));
/* We may need to crop the tree if the depth is sticky */
if (depth_is_sticky && depth < svn_depth_infinity)
{
const svn_wc_entry_t *target_entry;
SVN_ERR(svn_wc_entry(&target_entry,
svn_dirent_join(svn_wc_adm_access_path(adm_access), target, pool),
adm_access, TRUE, pool));
if (target_entry && target_entry->kind == svn_node_dir)
{
SVN_ERR(svn_wc_crop_tree(adm_access, target, depth,
ctx->notify_func2, ctx->notify_baton2,
ctx->cancel_func, ctx->cancel_baton,
pool));
/* If we are asked to exclude a target, we can just stop now. */
if (depth == svn_depth_exclude)
{
SVN_ERR(svn_wc_adm_close2(adm_access, pool));
return SVN_NO_ERROR;
}
}
}
/* Get revnum set to something meaningful, so we can fetch the
update editor. */
if (revision->kind == svn_opt_revision_number)
revnum = revision->value.number;
else
revnum = SVN_INVALID_REVNUM;
/* 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;
/* Open an RA session for the URL */
SVN_ERR(svn_client__open_ra_session_internal(&ra_session, entry->url,
anchor, adm_access,
NULL, TRUE, TRUE,
ctx, pool));
/* ### todo: shouldn't svn_client__get_revision_number be able
to take a URL as easily as a local path? */
SVN_ERR(svn_client__get_revision_number
(&revnum, NULL, ra_session, revision, path, pool));
/* Take the chance to set the repository root on the target.
Why do we bother doing this for old working copies?
There are two reasons: first, it's nice to get this information into
old WCs so they are "ready" when we start depending on it. (We can
never *depend* upon it in a strict sense, however.)
Second, if people mix old and new clients, this information will
be dropped by the old clients, which might be annoying. */
SVN_ERR(svn_ra_get_repos_root2(ra_session, &repos_root, pool));
SVN_ERR(svn_wc_maybe_set_repos_root(dir_access, path, repos_root, pool));
/* Build a baton for the file-fetching callback. */
ffb = apr_pcalloc(pool, sizeof(*ffb));
ffb->ctx = ctx;
ffb->repos_root = repos_root;
ffb->pool = pool;
/* Fetch the 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_update_editor3(&revnum, adm_access, target,
use_commit_times, depth, depth_is_sticky,
allow_unver_obstructions,
ctx->notify_func2, ctx->notify_baton2,
ctx->cancel_func, ctx->cancel_baton,
ctx->conflict_func, ctx->conflict_baton,
file_fetcher, ffb,
diff3_cmd, preserved_exts,
&update_editor, &update_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_update2(ra_session,
&reporter, &report_baton,
revnum,
target,
depth,
send_copyfrom_args,
update_editor, update_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. */
err = svn_wc_crawl_revisions4(path, dir_access, reporter, report_baton,
TRUE, depth, (! depth_is_sticky),
(! server_supports_depth),
use_commit_times,
ctx->notify_func2, ctx->notify_baton2,
traversal_info, pool);
if (err)
{
/* Don't rely on the error handling to handle the sleep later, do
it now */
svn_io_sleep_for_timestamps(path, pool);
return err;
}
*use_sleep = TRUE;
/* We handle externals after the update 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))
SVN_ERR(svn_client__handle_externals(adm_access,
traversal_info,
entry->url,
anchor,
repos_root,
depth,
use_sleep, ctx, pool));
if (sleep_here)
svn_io_sleep_for_timestamps(path, pool);
SVN_ERR(svn_wc_adm_close2(adm_access, pool));
/* Let everyone know we're finished here. */
if (ctx->notify_func2)
{
svn_wc_notify_t *notify
= svn_wc_create_notify(path, 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_update3(apr_array_header_t **result_revs,
const apr_array_header_t *paths,
const svn_opt_revision_t *revision,
svn_depth_t depth,
svn_boolean_t depth_is_sticky,
svn_boolean_t ignore_externals,
svn_boolean_t allow_unver_obstructions,
svn_client_ctx_t *ctx,
apr_pool_t *pool)
{
int i;
svn_error_t *err = SVN_NO_ERROR;
apr_pool_t *subpool = svn_pool_create(pool);
const char *path = NULL;
if (result_revs)
*result_revs = apr_array_make(pool, paths->nelts, sizeof(svn_revnum_t));
for (i = 0; i < paths->nelts; ++i)
{
svn_boolean_t sleep;
svn_revnum_t result_rev;
path = APR_ARRAY_IDX(paths, i, const char *);
svn_pool_clear(subpool);
if (ctx->cancel_func && (err = ctx->cancel_func(ctx->cancel_baton)))
break;
err = svn_client__update_internal(&result_rev, path, revision, depth,
depth_is_sticky, ignore_externals,
allow_unver_obstructions,
&sleep, TRUE, ctx, subpool);
if (err && err->apr_err != SVN_ERR_WC_NOT_DIRECTORY)
{
return err;
}
else if (err)
{
/* SVN_ERR_WC_NOT_DIRECTORY: it's not versioned */
svn_error_clear(err);
err = SVN_NO_ERROR;
result_rev = SVN_INVALID_REVNUM;
if (ctx->notify_func2)
(*ctx->notify_func2)(ctx->notify_baton2,
svn_wc_create_notify(path,
svn_wc_notify_skip,
subpool), subpool);
}
if (result_revs)
APR_ARRAY_PUSH(*result_revs, svn_revnum_t) = result_rev;
}
svn_pool_destroy(subpool);
svn_io_sleep_for_timestamps((paths->nelts == 1) ? path : NULL, pool);
return err;
}