svn_error_t *
svn_client__wc_node_get_base(svn_client__pathrev_t **base_p,
const char *wc_abspath,
svn_wc_context_t *wc_ctx,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
const char *relpath;
*base_p = apr_palloc(result_pool, sizeof(**base_p));
SVN_ERR(svn_wc__node_get_base(&(*base_p)->rev,
&relpath,
&(*base_p)->repos_root_url,
&(*base_p)->repos_uuid,
wc_ctx, wc_abspath,
result_pool, scratch_pool));
if ((*base_p)->repos_root_url && relpath)
{
(*base_p)->url = svn_path_url_add_component2(
(*base_p)->repos_root_url, relpath, result_pool);
}
else
{
*base_p = NULL;
}
return SVN_NO_ERROR;
}
/* Try to update a directory external at PATH to URL at REVISION.
Use POOL for temporary allocations, and use the client context CTX. */
static svn_error_t *
switch_dir_external(const char *local_abspath,
const char *url,
const char *url_from_externals_definition,
const svn_opt_revision_t *peg_revision,
const svn_opt_revision_t *revision,
const char *defining_abspath,
svn_boolean_t *timestamp_sleep,
svn_client_ctx_t *ctx,
apr_pool_t *pool)
{
svn_node_kind_t kind;
svn_error_t *err;
svn_revnum_t external_peg_rev = SVN_INVALID_REVNUM;
svn_revnum_t external_rev = SVN_INVALID_REVNUM;
apr_pool_t *subpool = svn_pool_create(pool);
const char *repos_root_url;
const char *repos_uuid;
SVN_ERR_ASSERT(svn_dirent_is_absolute(local_abspath));
if (peg_revision->kind == svn_opt_revision_number)
external_peg_rev = peg_revision->value.number;
if (revision->kind == svn_opt_revision_number)
external_rev = revision->value.number;
/*
* The code below assumes existing versioned paths are *not* part of
* the external's defining working copy.
* The working copy library does not support registering externals
* on top of existing BASE nodes and will error out if we try.
* So if the external target is part of the defining working copy's
* BASE tree, don't attempt to create the external. Doing so would
* leave behind a switched path instead of an external (since the
* switch succeeds but registration of the external in the DB fails).
* The working copy then cannot be updated until the path is switched back.
* See issue #4085.
*/
SVN_ERR(svn_wc__node_get_base(&kind, NULL, NULL,
&repos_root_url, &repos_uuid,
NULL, ctx->wc_ctx, local_abspath,
TRUE, /* ignore_enoent */
TRUE, /* show hidden */
pool, pool));
if (kind != svn_node_unknown)
{
const char *wcroot_abspath;
const char *defining_wcroot_abspath;
SVN_ERR(svn_wc__get_wcroot(&wcroot_abspath, ctx->wc_ctx,
local_abspath, pool, pool));
SVN_ERR(svn_wc__get_wcroot(&defining_wcroot_abspath, ctx->wc_ctx,
defining_abspath, pool, pool));
if (strcmp(wcroot_abspath, defining_wcroot_abspath) == 0)
return svn_error_createf(SVN_ERR_WC_PATH_UNEXPECTED_STATUS, NULL,
_("The external '%s' defined in %s at '%s' "
"cannot be checked out because '%s' is "
"already a versioned path."),
url_from_externals_definition,
SVN_PROP_EXTERNALS,
svn_dirent_local_style(defining_abspath,
pool),
svn_dirent_local_style(local_abspath,
pool));
}
/* If path is a directory, try to update/switch to the correct URL
and revision. */
SVN_ERR(svn_io_check_path(local_abspath, &kind, pool));
if (kind == svn_node_dir)
{
const char *node_url;
/* Doubles as an "is versioned" check. */
err = svn_wc__node_get_url(&node_url, ctx->wc_ctx, local_abspath,
pool, subpool);
if (err && err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND)
{
svn_error_clear(err);
err = SVN_NO_ERROR;
goto relegate;
}
else if (err)
return svn_error_trace(err);
if (node_url)
{
/* If we have what appears to be a version controlled
subdir, and its top-level URL matches that of our
externals definition, perform an update. */
if (strcmp(node_url, url) == 0)
{
SVN_ERR(svn_client__update_internal(NULL, local_abspath,
revision, svn_depth_unknown,
FALSE, FALSE, FALSE, TRUE,
FALSE, TRUE,
timestamp_sleep,
ctx, subpool));
/* We just decided that this existing directory is an external,
so update the external registry with this information, like
when checking out an external */
SVN_ERR(svn_wc__external_register(ctx->wc_ctx,
defining_abspath,
local_abspath, svn_node_dir,
repos_root_url, repos_uuid,
svn_uri_skip_ancestor(repos_root_url,
url, pool),
external_peg_rev,
external_rev,
pool));
svn_pool_destroy(subpool);
goto cleanup;
}
/* We'd really prefer not to have to do a brute-force
relegation -- blowing away the current external working
copy and checking it out anew -- so we'll first see if we
can get away with a generally cheaper relocation (if
required) and switch-style update.
To do so, we need to know the repository root URL of the
external working copy as it currently sits. */
err = svn_wc__node_get_repos_info(NULL, NULL,
&repos_root_url, &repos_uuid,
ctx->wc_ctx, local_abspath,
pool, subpool);
if (err)
{
if (err->apr_err != SVN_ERR_WC_PATH_NOT_FOUND
&& err->apr_err != SVN_ERR_WC_NOT_WORKING_COPY)
return svn_error_trace(err);
svn_error_clear(err);
repos_root_url = NULL;
repos_uuid = NULL;
}
if (repos_root_url)
{
/* If the new external target URL is not obviously a
child of the external working copy's current
repository root URL... */
if (! svn_uri__is_ancestor(repos_root_url, url))
{
const char *repos_root;
/* ... then figure out precisely which repository
root URL that target URL *is* a child of ... */
SVN_ERR(svn_client_get_repos_root(&repos_root, NULL, url,
ctx, subpool, subpool));
/* ... and use that to try to relocate the external
working copy to the target location. */
err = svn_client_relocate2(local_abspath, repos_root_url,
repos_root, FALSE, ctx, subpool);
/* If the relocation failed because the new URL
points to a totally different repository, we've
no choice but to relegate and check out a new WC. */
if (err
&& (err->apr_err == SVN_ERR_WC_INVALID_RELOCATION
|| (err->apr_err
== SVN_ERR_CLIENT_INVALID_RELOCATION)))
{
svn_error_clear(err);
goto relegate;
}
else if (err)
return svn_error_trace(err);
/* If the relocation went without a hitch, we should
have a new repository root URL. */
repos_root_url = repos_root;
}
SVN_ERR(svn_client__switch_internal(NULL, local_abspath, url,
peg_revision, revision,
svn_depth_infinity,
TRUE, FALSE, FALSE,
TRUE /* ignore_ancestry */,
timestamp_sleep,
ctx, subpool));
SVN_ERR(svn_wc__external_register(ctx->wc_ctx,
defining_abspath,
local_abspath, svn_node_dir,
repos_root_url, repos_uuid,
svn_uri_skip_ancestor(
repos_root_url,
url, subpool),
external_peg_rev,
external_rev,
subpool));
svn_pool_destroy(subpool);
goto cleanup;
}
}
}
relegate:
/* Fall back on removing the WC and checking out a new one. */
/* Ensure that we don't have any RA sessions or WC locks from failed
operations above. */
svn_pool_destroy(subpool);
if (kind == svn_node_dir)
{
/* Buh-bye, old and busted ... */
SVN_ERR(relegate_dir_external(ctx->wc_ctx, defining_abspath,
local_abspath,
ctx->cancel_func, ctx->cancel_baton,
ctx->notify_func2, ctx->notify_baton2,
pool));
}
else
{
/* The target dir might have multiple components. Guarantee
the path leading down to the last component. */
const char *parent = svn_dirent_dirname(local_abspath, pool);
SVN_ERR(svn_io_make_dir_recursively(parent, pool));
}
/* ... Hello, new hotness. */
SVN_ERR(svn_client__checkout_internal(NULL, url, local_abspath, peg_revision,
revision, svn_depth_infinity,
FALSE, FALSE, timestamp_sleep,
ctx, pool));
SVN_ERR(svn_wc__node_get_repos_info(NULL, NULL,
&repos_root_url,
&repos_uuid,
ctx->wc_ctx, local_abspath,
pool, pool));
SVN_ERR(svn_wc__external_register(ctx->wc_ctx,
defining_abspath,
local_abspath, svn_node_dir,
repos_root_url, repos_uuid,
svn_uri_skip_ancestor(repos_root_url,
url, pool),
external_peg_rev,
external_rev,
pool));
cleanup:
/* Issues #4123 and #4130: We don't need to keep the newly checked
out external's DB open. */
SVN_ERR(svn_wc__close_db(local_abspath, ctx->wc_ctx, pool));
return SVN_NO_ERROR;
}
/* This is a helper for svn_client__update_internal(), which see for
an explanation of most of these parameters. Some stuff that's
unique is as follows:
ANCHOR_ABSPATH is the local absolute path of the update anchor.
This is typically either the same as LOCAL_ABSPATH, or the
immediate parent of LOCAL_ABSPATH.
If NOTIFY_SUMMARY is set (and there's a notification handler in
CTX), transmit the final update summary upon successful
completion of the update.
Add the paths of any conflict victims to CONFLICTED_PATHS, if that
is not null.
*/
static svn_error_t *
update_internal(svn_revnum_t *result_rev,
apr_hash_t *conflicted_paths,
const char *local_abspath,
const char *anchor_abspath,
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 adds_as_modification,
svn_boolean_t *timestamp_sleep,
svn_boolean_t notify_summary,
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 char *corrected_url;
const char *target;
const char *repos_root_url;
const char *repos_relpath;
const char *repos_uuid;
const char *anchor_url;
svn_revnum_t revnum;
svn_boolean_t use_commit_times;
svn_boolean_t clean_checkout = FALSE;
const char *diff3_cmd;
apr_hash_t *wcroot_iprops;
svn_opt_revision_t opt_rev;
svn_ra_session_t *ra_session;
const char *preserved_exts_str;
apr_array_header_t *preserved_exts;
struct svn_client__dirent_fetcher_baton_t dfb;
svn_boolean_t server_supports_depth;
svn_boolean_t cropping_target;
svn_boolean_t target_conflicted = FALSE;
svn_config_t *cfg = ctx->config
? svn_hash_gets(ctx->config, SVN_CONFIG_CATEGORY_CONFIG)
: NULL;
if (result_rev)
*result_rev = SVN_INVALID_REVNUM;
/* An unknown depth can't be sticky. */
if (depth == svn_depth_unknown)
depth_is_sticky = FALSE;
if (strcmp(local_abspath, anchor_abspath))
target = svn_dirent_basename(local_abspath, pool);
else
target = "";
/* Check if our anchor exists in BASE. If it doesn't we can't update. */
SVN_ERR(svn_wc__node_get_base(NULL, NULL, &repos_relpath, &repos_root_url,
&repos_uuid, NULL,
ctx->wc_ctx, anchor_abspath,
TRUE, FALSE,
pool, pool));
/* It does not make sense to update conflict victims. */
if (repos_relpath)
{
svn_error_t *err;
svn_boolean_t text_conflicted, prop_conflicted;
anchor_url = svn_path_url_add_component2(repos_root_url, repos_relpath,
pool);
err = svn_wc_conflicted_p3(&text_conflicted, &prop_conflicted,
NULL,
ctx->wc_ctx, local_abspath, pool);
if (err && err->apr_err != SVN_ERR_WC_PATH_NOT_FOUND)
return svn_error_trace(err);
svn_error_clear(err);
/* tree-conflicts are handled by the update editor */
if (!err && (text_conflicted || prop_conflicted))
target_conflicted = TRUE;
}
else
anchor_url = NULL;
if (! anchor_url || target_conflicted)
{
if (ctx->notify_func2)
{
svn_wc_notify_t *nt;
nt = svn_wc_create_notify(local_abspath,
target_conflicted
? svn_wc_notify_skip_conflicted
: svn_wc_notify_update_skip_working_only,
pool);
ctx->notify_func2(ctx->notify_baton2, nt, pool);
}
return SVN_NO_ERROR;
}
/* We may need to crop the tree if the depth is sticky */
cropping_target = (depth_is_sticky && depth < svn_depth_infinity);
if (cropping_target)
{
svn_node_kind_t target_kind;
if (depth == svn_depth_exclude)
{
SVN_ERR(svn_wc_exclude(ctx->wc_ctx,
local_abspath,
ctx->cancel_func, ctx->cancel_baton,
ctx->notify_func2, ctx->notify_baton2,
pool));
/* Target excluded, we are done now */
return SVN_NO_ERROR;
}
SVN_ERR(svn_wc_read_kind2(&target_kind, ctx->wc_ctx, local_abspath,
TRUE, TRUE, pool));
if (target_kind == svn_node_dir)
{
SVN_ERR(svn_wc_crop_tree2(ctx->wc_ctx, local_abspath, depth,
ctx->cancel_func, ctx->cancel_baton,
ctx->notify_func2, ctx->notify_baton2,
pool));
}
}
/* check whether the "clean c/o" optimization is applicable */
SVN_ERR(is_empty_wc(&clean_checkout, local_abspath, anchor_abspath, pool));
/* Get the external diff3, if any. */
svn_config_get(cfg, &diff3_cmd, SVN_CONFIG_SECTION_HELPERS,
SVN_CONFIG_OPTION_DIFF3_CMD, NULL);
if (diff3_cmd != NULL)
SVN_ERR(svn_path_cstring_to_utf8(&diff3_cmd, diff3_cmd, pool));
/* 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;
/* Let everyone know we're starting a real update (unless we're
asked not to). */
if (ctx->notify_func2 && notify_summary)
{
svn_wc_notify_t *notify
= svn_wc_create_notify(local_abspath, svn_wc_notify_update_started,
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;
(*ctx->notify_func2)(ctx->notify_baton2, notify, pool);
}
/* Open an RA session for the URL */
SVN_ERR(svn_client__open_ra_session_internal(&ra_session, &corrected_url,
anchor_url,
anchor_abspath, NULL, TRUE,
TRUE, ctx, pool, pool));
/* If we got a corrected URL from the RA subsystem, we'll need to
relocate our working copy first. */
if (corrected_url)
{
const char *new_repos_root_url;
/* To relocate everything inside our repository we need the old and new
repos root. */
SVN_ERR(svn_ra_get_repos_root2(ra_session, &new_repos_root_url, pool));
/* svn_client_relocate2() will check the uuid */
SVN_ERR(svn_client_relocate2(anchor_abspath, repos_root_url,
new_repos_root_url, ignore_externals,
ctx, pool));
/* Store updated repository root for externals */
repos_root_url = new_repos_root_url;
/* ### We should update anchor_loc->repos_uuid too, although currently
* we don't use it. */
anchor_url = corrected_url;
}
/* Resolve unspecified REVISION now, because we need to retrieve the
correct inherited props prior to the editor drive and we need to
use the same value of HEAD for both. */
opt_rev.kind = revision->kind;
opt_rev.value = revision->value;
if (opt_rev.kind == svn_opt_revision_unspecified)
opt_rev.kind = svn_opt_revision_head;
/* ### 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, ctx->wc_ctx,
local_abspath, ra_session, &opt_rev,
pool));
SVN_ERR(svn_ra_has_capability(ra_session, &server_supports_depth,
SVN_RA_CAPABILITY_DEPTH, pool));
dfb.ra_session = ra_session;
dfb.target_revision = revnum;
dfb.anchor_url = anchor_url;
SVN_ERR(svn_client__get_inheritable_props(&wcroot_iprops, local_abspath,
revnum, depth, ra_session,
ctx, 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_editor(&update_editor, &update_edit_baton,
&revnum, ctx->wc_ctx, anchor_abspath,
target, wcroot_iprops, use_commit_times,
depth, depth_is_sticky,
allow_unver_obstructions,
adds_as_modification,
server_supports_depth,
clean_checkout,
diff3_cmd, preserved_exts,
svn_client__dirent_fetcher, &dfb,
conflicted_paths ? record_conflict : NULL,
conflicted_paths,
NULL, NULL,
ctx->cancel_func, ctx->cancel_baton,
ctx->notify_func2, ctx->notify_baton2,
pool, 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_update3(ra_session, &reporter, &report_baton,
revnum, target,
(!server_supports_depth || depth_is_sticky
? depth
: svn_depth_unknown),
FALSE /* send_copyfrom_args */,
FALSE /* ignore_ancestry */,
update_editor, update_edit_baton, pool, pool));
/* Past this point, we assume the WC is going to be modified so we will
* need to sleep for timestamps. */
*timestamp_sleep = TRUE;
/* 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. */
SVN_ERR(svn_wc_crawl_revisions5(ctx->wc_ctx, local_abspath, reporter,
report_baton, TRUE,
depth, (! depth_is_sticky),
(! server_supports_depth),
use_commit_times,
ctx->cancel_func, ctx->cancel_baton,
ctx->notify_func2, ctx->notify_baton2,
pool));
/* 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) || cropping_target)
&& (! ignore_externals))
{
apr_hash_t *new_externals;
apr_hash_t *new_depths;
SVN_ERR(svn_wc__externals_gather_definitions(&new_externals,
&new_depths,
ctx->wc_ctx, local_abspath,
depth, pool, pool));
SVN_ERR(svn_client__handle_externals(new_externals,
new_depths,
repos_root_url, local_abspath,
depth, timestamp_sleep,
ctx, pool));
}
/* Let everyone know we're finished here (unless we're asked not to). */
if (ctx->notify_func2 && notify_summary)
{
svn_wc_notify_t *notify
= svn_wc_create_notify(local_abspath, 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;
}