/* Go up the directory tree, looking for a versioned directory. If found,
add all the intermediate directories. Otherwise, return
SVN_ERR_CLIENT_NO_VERSIONED_PARENT. */
static svn_error_t *
add_parent_dirs(const char *path,
svn_wc_adm_access_t **parent_access,
svn_client_ctx_t *ctx,
apr_pool_t *pool)
{
svn_wc_adm_access_t *adm_access;
svn_error_t *err;
err = svn_wc_adm_open3(&adm_access, NULL, path, TRUE, 0,
ctx->cancel_func, ctx->cancel_baton, pool);
if (err && err->apr_err == SVN_ERR_WC_NOT_DIRECTORY)
{
if (svn_dirent_is_root(path, strlen(path)))
{
svn_error_clear(err);
return svn_error_create
(SVN_ERR_CLIENT_NO_VERSIONED_PARENT, NULL, NULL);
}
else
{
const char *parent_path = svn_path_dirname(path, pool);
svn_error_clear(err);
SVN_ERR(add_parent_dirs(parent_path, &adm_access, ctx, pool));
SVN_ERR(svn_wc_adm_retrieve(&adm_access, adm_access, parent_path,
pool));
SVN_ERR(svn_wc_add2(path, adm_access, NULL, SVN_INVALID_REVNUM,
ctx->cancel_func, ctx->cancel_baton,
ctx->notify_func2, ctx->notify_baton2, pool));
}
}
else if (err)
{
return err;
}
if (parent_access)
*parent_access = adm_access;
return SVN_NO_ERROR;
}
static svn_error_t *
test_access_baton_like_locking(apr_pool_t *pool)
{
svn_wc__db_t *db;
svn_wc_context_t *wc_ctx, *wc_ctx2;
const char *local_abspath;
const char *D, *D1, *D2, *D3, *D4;
svn_boolean_t locked_here, locked;
svn_error_t *err;
svn_wc_adm_access_t *adm_access, *subdir_access;
#undef WC_NAME
#define WC_NAME "test_access_batons"
SVN_ERR(create_open(&db, &local_abspath, WC_NAME, pool));
D = svn_dirent_join(local_abspath, "DD", pool);
D1 = svn_dirent_join(D, "DD", pool);
D2 = svn_dirent_join(D1, "DD", pool);
D3 = svn_dirent_join(D2, "DD", pool);
D4 = svn_dirent_join(D3, "DD", pool);
SVN_ERR(svn_io_make_dir_recursively(D4, pool));
/* Use the legacy interface */
SVN_ERR(svn_wc_adm_open3(&adm_access, NULL, local_abspath, TRUE, 0,
NULL, NULL, pool));
SVN_ERR(svn_wc_add3(D, adm_access, svn_depth_infinity, NULL,
SVN_INVALID_REVNUM, NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_adm_retrieve(&subdir_access, adm_access, D, pool));
SVN_ERR(svn_wc_add3(D1, subdir_access, svn_depth_infinity, NULL,
SVN_INVALID_REVNUM, NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_adm_retrieve(&subdir_access, adm_access, D1, pool));
SVN_ERR(svn_wc_add3(D2, subdir_access, svn_depth_infinity, NULL,
SVN_INVALID_REVNUM, NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_adm_retrieve(&subdir_access, adm_access, D2, pool));
SVN_ERR(svn_wc_add3(D3, subdir_access, svn_depth_infinity, NULL,
SVN_INVALID_REVNUM, NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_add3(D4, subdir_access, svn_depth_infinity, NULL,
SVN_INVALID_REVNUM, NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_locked(&locked, D3, pool));
SVN_TEST_ASSERT(locked);
SVN_ERR(svn_wc_locked(&locked, D4, pool));
SVN_TEST_ASSERT(locked);
SVN_ERR(svn_wc_delete3(D4, subdir_access, NULL, NULL, NULL, NULL, FALSE,
pool));
SVN_ERR(svn_wc_locked(&locked, D4, pool));
SVN_TEST_ASSERT(!locked);
SVN_ERR(svn_wc_revert3(D, adm_access, svn_depth_infinity, FALSE,
NULL, NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_locked(&locked, D3, pool));
SVN_TEST_ASSERT(!locked);
SVN_ERR(svn_wc_locked(&locked, local_abspath, pool));
SVN_TEST_ASSERT(locked);
SVN_ERR(svn_wc_adm_close2(adm_access, pool));
SVN_ERR(svn_wc_context_create(&wc_ctx, NULL, pool, pool));
/* Obtain a lock for the root, which is extended on each level */
SVN_ERR(svn_wc__db_wclock_obtain(wc_ctx->db, local_abspath, 0, FALSE, pool));
SVN_ERR(svn_io_make_dir_recursively(D4, pool));
SVN_ERR(svn_wc_add4(wc_ctx, D, svn_depth_infinity, NULL, SVN_INVALID_REVNUM,
NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_add4(wc_ctx, D1, svn_depth_infinity, NULL, SVN_INVALID_REVNUM,
NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_add4(wc_ctx, D2, svn_depth_infinity, NULL, SVN_INVALID_REVNUM,
NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_add4(wc_ctx, D3, svn_depth_infinity, NULL, SVN_INVALID_REVNUM,
NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_locked2(&locked_here, &locked, wc_ctx, D3, pool));
SVN_TEST_ASSERT(locked_here && locked);
/* Test if the not added path is already locked */
SVN_ERR(svn_wc_locked2(&locked_here, &locked, wc_ctx, D4, pool));
SVN_TEST_ASSERT(!locked_here && !locked);
SVN_ERR(svn_wc_add4(wc_ctx, D4, svn_depth_infinity, NULL, SVN_INVALID_REVNUM,
NULL, NULL, NULL, NULL, pool));
SVN_ERR(svn_wc_locked2(&locked_here, &locked, wc_ctx, D4, pool));
SVN_TEST_ASSERT(locked_here && locked);
SVN_ERR(svn_wc__db_wclock_release(wc_ctx->db, local_abspath, pool));
/* Should be unlocked */
SVN_ERR(svn_wc_locked2(&locked_here, &locked, wc_ctx, local_abspath, pool));
SVN_TEST_ASSERT(!locked_here && !locked);
/* Lock shouldn't be released */
SVN_ERR(svn_wc_locked2(&locked_here, &locked, wc_ctx, D, pool));
SVN_TEST_ASSERT(locked_here && locked);
SVN_ERR(svn_wc__db_wclock_release(wc_ctx->db, D, pool));
SVN_ERR(svn_wc__db_wclock_release(wc_ctx->db, D1, pool));
SVN_ERR(svn_wc__db_wclock_release(wc_ctx->db, D2, pool));
SVN_ERR(svn_wc__db_wclock_release(wc_ctx->db, D3, pool));
/* Try reobtaining lock on D3; should succeed */
SVN_ERR(svn_wc__db_wclock_obtain(wc_ctx->db, D3, 0, FALSE, pool));
SVN_ERR(svn_wc__db_wclock_release(wc_ctx->db, D4, pool));
/* D3 should still be locked; try stealing in a different context */
SVN_ERR(svn_wc_context_create(&wc_ctx2, NULL, pool, pool));
SVN_ERR(svn_wc_locked2(&locked_here, &locked, wc_ctx2, D3, pool));
SVN_TEST_ASSERT(!locked_here && locked);
err = svn_wc__db_wclock_obtain(wc_ctx2->db, D3, 0, FALSE, pool);
if (err && err->apr_err != SVN_ERR_WC_LOCKED)
return svn_error_trace(err);
svn_error_clear(err);
SVN_TEST_ASSERT(err != NULL); /* Can't lock, as it is still locked */
err = svn_wc__db_wclock_release(wc_ctx2->db, D4, pool);
if (err && err->apr_err != SVN_ERR_WC_NOT_LOCKED)
return svn_error_trace(err);
svn_error_clear(err);
SVN_TEST_ASSERT(err != NULL); /* Can't unlock, as it is not ours */
/* Now steal the lock */
SVN_ERR(svn_wc__db_wclock_obtain(wc_ctx2->db, D3, 0, TRUE, pool));
/* We should own the lock now */
SVN_ERR(svn_wc_locked2(&locked_here, &locked, wc_ctx2, D3, pool));
SVN_TEST_ASSERT(locked_here && locked);
err = svn_wc__db_wclock_release(wc_ctx2->db, D4, pool);
if (err && err->apr_err != SVN_ERR_WC_NOT_LOCKED)
return svn_error_trace(err);
svn_error_clear(err);
SVN_TEST_ASSERT(err != NULL); /* Can't unlock a not locked path */
/* Now create a separate working copy from the same repository directly
below this WC and test if our code really sees it as a separate wc,
for locking and normal operation */
{
const char *url, *repos_root_url, *repos_uuid;
const char *subdir = svn_dirent_join(local_abspath, "sub-wc", pool);
svn_boolean_t is_root;
SVN_ERR(svn_wc__node_get_url(&url, wc_ctx, local_abspath, pool, pool));
SVN_ERR(svn_wc__node_get_repos_info(&repos_root_url, &repos_uuid,
wc_ctx, local_abspath,
pool, pool));
SVN_ERR(svn_io_make_dir_recursively(subdir, pool));
SVN_ERR(svn_wc_ensure_adm3(subdir, repos_uuid,
svn_path_url_add_component2(url, "sub-wc", pool),
repos_root_url, 0, svn_depth_infinity,
pool));
SVN_ERR(svn_wc__check_wc_root(&is_root, NULL, NULL, wc_ctx->db, subdir,
pool));
SVN_TEST_ASSERT(is_root);
SVN_ERR(svn_wc__check_wc_root(&is_root, NULL, NULL, wc_ctx2->db, subdir,
pool));
/* This test was added to show a regression where the next check failed,
but the check above this succeeded */
SVN_TEST_ASSERT(is_root);
SVN_ERR(svn_wc_locked2(&locked_here, &locked, wc_ctx2, subdir, pool));
SVN_TEST_ASSERT(!locked_here && !locked);
}
return SVN_NO_ERROR;
}
/* Schedule directory DIRNAME, and some of the tree under it, for
* addition with access baton ADM_ACCESS. DEPTH is the depth at this
* point in the descent (it may be changed for recursive calls).
*
* If DIRNAME (or any item below directory DIRNAME) is already scheduled for
* addition, add will fail and return an error unless FORCE is TRUE.
*
* Files and directories that match ignore patterns will not be added unless
* NO_IGNORE is TRUE.
*
* If CTX->CANCEL_FUNC is non-null, call it with CTX->CANCEL_BATON to allow
* the user to cancel the operation
*/
static svn_error_t *
add_dir_recursive(const char *dirname,
svn_wc_adm_access_t *adm_access,
svn_depth_t depth,
svn_boolean_t force,
svn_boolean_t no_ignore,
svn_client_ctx_t *ctx,
apr_pool_t *pool)
{
apr_dir_t *dir;
apr_finfo_t this_entry;
svn_error_t *err;
apr_pool_t *subpool;
apr_int32_t flags = APR_FINFO_TYPE | APR_FINFO_NAME;
svn_wc_adm_access_t *dir_access;
apr_array_header_t *ignores;
/* Check cancellation; note that this catches recursive calls too. */
if (ctx->cancel_func)
SVN_ERR(ctx->cancel_func(ctx->cancel_baton));
/* Add this directory to revision control. */
err = svn_wc_add2(dirname, adm_access,
NULL, SVN_INVALID_REVNUM,
ctx->cancel_func, ctx->cancel_baton,
ctx->notify_func2, ctx->notify_baton2, pool);
if (err && err->apr_err == SVN_ERR_ENTRY_EXISTS && force)
svn_error_clear(err);
else if (err)
return err;
SVN_ERR(svn_wc_adm_retrieve(&dir_access, adm_access, dirname, pool));
if (!no_ignore)
SVN_ERR(svn_wc_get_ignores(&ignores, ctx->config, dir_access, pool));
subpool = svn_pool_create(pool);
SVN_ERR(svn_io_dir_open(&dir, dirname, pool));
/* Read the directory entries one by one and add those things to
version control. */
while (1)
{
const char *fullpath;
svn_pool_clear(subpool);
err = svn_io_dir_read(&this_entry, flags, dir, subpool);
if (err)
{
/* Check if we're done reading the dir's entries. */
if (APR_STATUS_IS_ENOENT(err->apr_err))
{
apr_status_t apr_err;
svn_error_clear(err);
apr_err = apr_dir_close(dir);
if (apr_err)
return svn_error_wrap_apr
(apr_err, _("Can't close directory '%s'"),
svn_path_local_style(dirname, subpool));
break;
}
else
{
return svn_error_createf
(err->apr_err, err,
_("Error during add of '%s'"),
svn_path_local_style(dirname, subpool));
}
}
/* Skip entries for this dir and its parent. */
if (this_entry.name[0] == '.'
&& (this_entry.name[1] == '\0'
|| (this_entry.name[1] == '.' && this_entry.name[2] == '\0')))
continue;
/* Check cancellation so you can cancel during an
* add of a directory with lots of files. */
if (ctx->cancel_func)
SVN_ERR(ctx->cancel_func(ctx->cancel_baton));
/* Skip over SVN admin directories. */
if (svn_wc_is_adm_dir(this_entry.name, subpool))
continue;
if ((!no_ignore) && svn_wc_match_ignore_list(this_entry.name,
ignores, subpool))
continue;
/* Construct the full path of the entry. */
fullpath = svn_path_join(dirname, this_entry.name, subpool);
/* Recurse on directories; add files; ignore the rest. */
if (this_entry.filetype == APR_DIR && depth >= svn_depth_immediates)
{
svn_depth_t depth_below_here = depth;
if (depth == svn_depth_immediates)
depth_below_here = svn_depth_empty;
SVN_ERR(add_dir_recursive(fullpath, dir_access, depth_below_here,
force, no_ignore, ctx, subpool));
}
else if (this_entry.filetype != APR_UNKFILE
&& this_entry.filetype != APR_DIR
&& depth >= svn_depth_files)
{
err = add_file(fullpath, ctx, dir_access, subpool);
if (err && err->apr_err == SVN_ERR_ENTRY_EXISTS && force)
svn_error_clear(err);
else if (err)
return err;
}
}
/* Opened by svn_wc_add */
SVN_ERR(svn_wc_adm_close(dir_access));
/* Destroy the per-iteration pool. */
svn_pool_destroy(subpool);
return SVN_NO_ERROR;
}
svn_error_t *
svn_client__switch_internal(svn_revnum_t *result_rev,
const char *path,
const char *switch_url,
const svn_opt_revision_t *peg_revision,
const svn_opt_revision_t *revision,
svn_wc_adm_access_t *adm_access,
svn_depth_t depth,
svn_boolean_t depth_is_sticky,
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, *switch_rev_url;
svn_ra_session_t *ra_session;
svn_revnum_t revnum;
svn_error_t *err = SVN_NO_ERROR;
svn_wc_adm_access_t *dir_access;
const svn_boolean_t close_adm_access = ! adm_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;
/* An unknown depth can't be sticky. */
if (depth == svn_depth_unknown)
depth_is_sticky = FALSE;
/* Do not support the situation of both exclude and switch a target. */
if (depth_is_sticky && depth == svn_depth_exclude)
return svn_error_createf(SVN_ERR_UNSUPPORTED_FEATURE, NULL,
_("Cannot both exclude and switch a path"));
/* 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. */
SVN_ERR_ASSERT(path);
SVN_ERR_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? */
if (adm_access)
{
svn_wc_adm_access_t *a = adm_access;
const char *dir_access_path;
/* This is a little hacky, but open two new read-only access
baton's to get the anchor and target access batons that would
be used if a locked access baton was not available. */
SVN_ERR(svn_wc_adm_open_anchor(&adm_access, &dir_access, &target, path,
FALSE, -1, ctx->cancel_func,
ctx->cancel_baton, pool));
anchor = svn_wc_adm_access_path(adm_access);
dir_access_path = svn_wc_adm_access_path(dir_access);
SVN_ERR(svn_wc_adm_close2(adm_access, pool));
SVN_ERR(svn_wc_adm_retrieve(&adm_access, a, anchor, pool));
SVN_ERR(svn_wc_adm_retrieve(&dir_access, a, dir_access_path, pool));
}
else
{
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);
/* Open an RA session to 'source' URL */
SVN_ERR(svn_client__ra_session_from_path(&ra_session, &revnum,
&switch_rev_url,
switch_url, adm_access,
peg_revision, revision,
ctx, pool));
SVN_ERR(svn_ra_get_repos_root2(ra_session, &source_root, pool));
/* Disallow a switch operation to change the repository root of the
target. */
if (! svn_path_is_ancestor(source_root, URL))
return svn_error_createf
(SVN_ERR_WC_INVALID_SWITCH, NULL,
_("'%s'\n"
"is not the same repository as\n"
"'%s'"), URL, source_root);
/* 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));
}
}
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_rev_url, 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,
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_rev_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 in a traversal_info for recording all externals. It
shouldn't be needed for a switch if it wasn't for the relative
externals of type '../path'. All of those must be resolved to
the new location. */
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 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(adm_access, traversal_info, switch_url,
path, source_root, depth,
use_sleep, ctx, pool);
/* Sleep to ensure timestamp integrity (we do this regardless of
errors in the actual switch operation(s)). */
if (sleep_here)
svn_io_sleep_for_timestamps(path, pool);
/* Return errors we might have sustained. */
if (err)
return err;
if (close_adm_access)
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(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_wc_relocate3(const char *path,
svn_wc_adm_access_t *adm_access,
const char *from,
const char *to,
svn_boolean_t recurse,
svn_wc_relocation_validator3_t validator,
void *validator_baton,
apr_pool_t *pool)
{
apr_hash_t *entries;
apr_hash_index_t *hi;
const svn_wc_entry_t *entry;
apr_pool_t *subpool;
SVN_ERR(svn_wc_entry(&entry, path, adm_access, TRUE, pool));
if (! entry)
return svn_error_create(SVN_ERR_ENTRY_NOT_FOUND, NULL, NULL);
if (entry->kind == svn_node_file
|| entry->depth == svn_depth_exclude)
return relocate_entry(adm_access, entry, from, to,
validator, validator_baton, TRUE /* sync */,
pool);
/* Relocate THIS_DIR first, in order to pre-validate the relocated URL
of all of the other entries. This is technically cheating because
it relies on knowledge of the libsvn_client implementation, but it
significantly cuts down on the number of expensive validations the
validator has to do. ### Should svn_wc.h document the ordering? */
SVN_ERR(svn_wc_entries_read(&entries, adm_access, TRUE, pool));
entry = apr_hash_get(entries, SVN_WC_ENTRY_THIS_DIR, APR_HASH_KEY_STRING);
SVN_ERR(relocate_entry(adm_access, entry, from, to,
validator, validator_baton, FALSE, pool));
subpool = svn_pool_create(pool);
for (hi = apr_hash_first(pool, entries); hi; hi = apr_hash_next(hi))
{
const void *key;
void *val;
apr_hash_this(hi, &key, NULL, &val);
entry = val;
if (strcmp(key, SVN_WC_ENTRY_THIS_DIR) == 0)
continue;
svn_pool_clear(subpool);
if (recurse && (entry->kind == svn_node_dir)
&& (! entry->deleted || (entry->schedule == svn_wc_schedule_add))
&& ! entry->absent
&& (entry->depth != svn_depth_exclude))
{
svn_wc_adm_access_t *subdir_access;
const char *subdir = svn_path_join(path, key, subpool);
if (svn_wc__adm_missing(adm_access, subdir))
continue;
SVN_ERR(svn_wc_adm_retrieve(&subdir_access, adm_access,
subdir, subpool));
SVN_ERR(svn_wc_relocate3(subdir, subdir_access, from, to,
recurse, validator,
validator_baton, subpool));
}
SVN_ERR(relocate_entry(adm_access, entry, from, to,
validator, validator_baton, FALSE, subpool));
}
svn_pool_destroy(subpool);
SVN_ERR(svn_wc__props_delete(path, svn_wc__props_wcprop, adm_access, pool));
return svn_wc__entries_write(entries, adm_access, pool);
}
/* Internal version of svn_wc_merge, also used to (loggily) merge updates
from the repository.
In the case of updating, the update can have sent new properties,
which could affect the way the wc target is detranslated and
compared with LEFT and RIGHT for merging.
Property changes sent by the update are provided in PROP_DIFF.
If COPYFROM_TEXT is non-null, the working text is taken from this
file instead of from the actual version in the working copy (and
the merge_target is allowed to not be under version control in this
case).
*/
svn_error_t *
svn_wc__merge_internal(svn_stringbuf_t **log_accum,
enum svn_wc_merge_outcome_t *merge_outcome,
const char *left,
const char *right,
const char *merge_target,
const char *copyfrom_text,
svn_wc_adm_access_t *adm_access,
const char *left_label,
const char *right_label,
const char *target_label,
svn_boolean_t dry_run,
const char *diff3_cmd,
const apr_array_header_t *merge_options,
const apr_array_header_t *prop_diff,
svn_wc_conflict_resolver_func_t conflict_func,
void *conflict_baton,
apr_pool_t *pool)
{
const char *tmp_target, *result_target, *working_text;
const char *adm_path = svn_wc_adm_access_path(adm_access);
apr_file_t *result_f;
svn_boolean_t is_binary = FALSE;
const svn_wc_entry_t *entry;
svn_boolean_t contains_conflicts;
const svn_prop_t *mimeprop;
/* Sanity check: the merge target must be under revision control (unless
this is an add-with-history). */
SVN_ERR(svn_wc_entry(&entry, merge_target, adm_access, FALSE, pool));
if (! entry && ! copyfrom_text)
{
*merge_outcome = svn_wc_merge_no_merge;
return SVN_NO_ERROR;
}
/* Decide if the merge target is a text or binary file. */
if ((mimeprop = get_prop(prop_diff, SVN_PROP_MIME_TYPE))
&& mimeprop->value)
is_binary = svn_mime_type_is_binary(mimeprop->value->data);
else if (! copyfrom_text)
SVN_ERR(svn_wc_has_binary_prop(&is_binary, merge_target, adm_access, pool));
working_text = copyfrom_text ? copyfrom_text : merge_target;
SVN_ERR(detranslate_wc_file(&tmp_target, working_text, adm_access,
(! is_binary) && diff3_cmd != NULL,
prop_diff, pool));
/* We cannot depend on the left file to contain the same eols as the
right file. If the merge target has mods, this will mark the entire
file as conflicted, so we need to compensate. */
SVN_ERR(maybe_update_target_eols(&left, left, adm_access, prop_diff, pool));
if (! is_binary) /* this is a text file */
{
/* Open a second temporary file for writing; this is where diff3
will write the merged results. */
SVN_ERR(svn_wc_create_tmp_file2(&result_f, &result_target,
adm_path, svn_io_file_del_none,
pool));
/* Run an external merge if requested. */
if (diff3_cmd)
{
int exit_code;
SVN_ERR(svn_io_run_diff3_2(&exit_code, ".",
tmp_target, left, right,
target_label, left_label, right_label,
result_f, diff3_cmd,
merge_options, pool));
contains_conflicts = exit_code == 1;
}
else
{
svn_diff_t *diff;
const char *target_marker;
const char *left_marker;
const char *right_marker;
svn_stream_t *ostream;
svn_diff_file_options_t *options;
ostream = svn_stream_from_aprfile(result_f, pool);
options = svn_diff_file_options_create(pool);
if (merge_options)
SVN_ERR(svn_diff_file_options_parse(options, merge_options, pool));
SVN_ERR(svn_diff_file_diff3_2(&diff,
left, tmp_target, right,
options, pool));
/* Labels fall back to sensible defaults if not specified. */
if (target_label)
target_marker = apr_psprintf(pool, "<<<<<<< %s", target_label);
else
target_marker = "<<<<<<< .working";
if (left_label)
left_marker = apr_psprintf(pool, "||||||| %s", left_label);
else
left_marker = "||||||| .old";
if (right_label)
right_marker = apr_psprintf(pool, ">>>>>>> %s", right_label);
else
right_marker = ">>>>>>> .new";
SVN_ERR(svn_diff_file_output_merge(ostream, diff,
left, tmp_target, right,
left_marker,
target_marker,
right_marker,
"=======", /* seperator */
FALSE, /* display original */
FALSE, /* resolve conflicts */
pool));
SVN_ERR(svn_stream_close(ostream));
contains_conflicts = svn_diff_contains_conflicts(diff);
}
/* Close the output file */
SVN_ERR(svn_io_file_close(result_f, pool));
if (contains_conflicts && ! dry_run) /* got a conflict */
{
const char *left_copy, *right_copy, *target_copy;
const char *tmp_left, *tmp_right, *tmp_target_copy;
const char *parentt, *target_base;
svn_wc_adm_access_t *parent_access;
svn_wc_entry_t tmp_entry;
/* Give the conflict resolution callback a chance to clean
up the conflict before we mark the file 'conflicted' */
if (conflict_func)
{
svn_wc_conflict_result_t *result = NULL;
svn_wc_conflict_description_t cdesc;
cdesc.path = merge_target;
cdesc.node_kind = svn_node_file;
cdesc.kind = svn_wc_conflict_kind_text;
cdesc.is_binary = FALSE;
cdesc.mime_type = (mimeprop && mimeprop->value)
? mimeprop->value->data : NULL;
cdesc.access = adm_access;
cdesc.action = svn_wc_conflict_action_edit;
cdesc.reason = svn_wc_conflict_reason_edited;
cdesc.base_file = left;
cdesc.their_file = right;
cdesc.my_file = tmp_target;
cdesc.merged_file = result_target;
cdesc.property_name = NULL;
SVN_ERR(conflict_func(&result, &cdesc, conflict_baton, pool));
if (result == NULL)
return svn_error_create(SVN_ERR_WC_CONFLICT_RESOLVER_FAILURE,
NULL, _("Conflict callback violated API:"
" returned no results"));
switch (result->choice)
{
/* If the callback wants to use one of the fulltexts
to resolve the conflict, so be it.*/
case svn_wc_conflict_choose_base:
{
SVN_ERR(svn_wc__loggy_copy
(log_accum, NULL, adm_access,
svn_wc__copy_translate,
left, merge_target,
FALSE, pool));
*merge_outcome = svn_wc_merge_merged;
contains_conflicts = FALSE;
goto merge_complete;
}
case svn_wc_conflict_choose_theirs_full:
{
SVN_ERR(svn_wc__loggy_copy
(log_accum, NULL, adm_access,
svn_wc__copy_translate,
right, merge_target,
FALSE, pool));
*merge_outcome = svn_wc_merge_merged;
contains_conflicts = FALSE;
goto merge_complete;
}
case svn_wc_conflict_choose_mine_full:
{
/* Do nothing to merge_target, let it live untouched! */
*merge_outcome = svn_wc_merge_merged;
contains_conflicts = FALSE;
goto merge_complete;
}
/* For the case of 3-way file merging, we don't
really distinguish between these return values;
if the callback claims to have "generally
resolved" the situation, we still interpret
that as "OK, we'll assume the merged version is
good to use". */
case svn_wc_conflict_choose_merged:
{
SVN_ERR(svn_wc__loggy_copy
(log_accum, NULL, adm_access,
svn_wc__copy_translate,
/* Look for callback's own merged-file first: */
result->merged_file ?
result->merged_file : result_target,
merge_target,
FALSE, pool));
*merge_outcome = svn_wc_merge_merged;
contains_conflicts = FALSE;
goto merge_complete;
}
case svn_wc_conflict_choose_postpone:
default:
{
/* Assume conflict remains, fall through to code below. */
}
}
}
/* Preserve the three pre-merge files, and modify the
entry (mark as conflicted, track the preserved files). */
/* I miss Lisp. */
SVN_ERR(svn_io_open_unique_file2(NULL,
&left_copy,
merge_target,
left_label,
svn_io_file_del_none,
pool));
/* Have I mentioned how much I miss Lisp? */
SVN_ERR(svn_io_open_unique_file2(NULL,
&right_copy,
merge_target,
right_label,
svn_io_file_del_none,
pool));
/* Why, how much more pleasant to be forced to unroll my loops.
If I'd been writing in Lisp, I might have mapped an inline
lambda form over a list, or something equally disgusting.
Thank goodness C was here to protect me! */
SVN_ERR(svn_io_open_unique_file2(NULL,
&target_copy,
merge_target,
target_label,
svn_io_file_del_none,
pool));
/* We preserve all the files with keywords expanded and line
endings in local (working) form. */
svn_path_split(target_copy, &parentt, &target_base, pool);
SVN_ERR(svn_wc_adm_retrieve(&parent_access, adm_access, parentt,
pool));
/* Log files require their paths to be in the subtree
relative to the adm_access path they are executed in.
Make our LEFT and RIGHT files 'local' if they aren't... */
if (! svn_path_is_child(adm_path, left, pool))
{
SVN_ERR(svn_wc_create_tmp_file2
(NULL, &tmp_left,
adm_path, svn_io_file_del_none, pool));
SVN_ERR(svn_io_copy_file(left, tmp_left, TRUE, pool));
}
else
tmp_left = left;
if (! svn_path_is_child(adm_path, right, pool))
{
SVN_ERR(svn_wc_create_tmp_file2
(NULL, &tmp_right,
adm_path, svn_io_file_del_none, pool));
SVN_ERR(svn_io_copy_file(right, tmp_right, TRUE, pool));
}
else
tmp_right = right;
/* NOTE: Callers must ensure that the svn:eol-style and
svn:keywords property values are correct in the currently
installed props. With 'svn merge', it's no big deal. But
when 'svn up' calls this routine, it needs to make sure that
this routine is using the newest property values that may
have been received *during* the update. Since this routine
will be run from within a log-command, merge_file()
needs to make sure that a previous log-command to 'install
latest props' has already executed first. Ben and I just
checked, and that is indeed the order in which the log items
are written, so everything should be fine. Really. */
/* Create LEFT and RIGHT backup files, in expanded form.
We use merge_target's current properties to do the translation. */
/* Derive the basenames of the 3 backup files. */
SVN_ERR(svn_wc__loggy_translated_file(log_accum,
adm_access,
left_copy, tmp_left,
merge_target, pool));
SVN_ERR(svn_wc__loggy_translated_file(log_accum,
adm_access,
right_copy, tmp_right,
merge_target, pool));
/* Back up MERGE_TARGET through detranslation/retranslation:
the new translation properties may not match the current ones */
SVN_ERR(svn_wc_translated_file2(&tmp_target_copy,
merge_target,
merge_target,
adm_access,
SVN_WC_TRANSLATE_TO_NF
| SVN_WC_TRANSLATE_NO_OUTPUT_CLEANUP,
pool));
SVN_ERR(svn_wc__loggy_translated_file
(log_accum, adm_access,
target_copy, tmp_target_copy, merge_target, pool));
tmp_entry.conflict_old
= svn_path_is_child(adm_path, left_copy, pool);
tmp_entry.conflict_new
= svn_path_is_child(adm_path, right_copy, pool);
tmp_entry.conflict_wrk = target_base;
/* Mark merge_target's entry as "Conflicted", and start tracking
the backup files in the entry as well. */
SVN_ERR(svn_wc__loggy_entry_modify
(log_accum, adm_access,
merge_target, &tmp_entry,
SVN_WC__ENTRY_MODIFY_CONFLICT_OLD
| SVN_WC__ENTRY_MODIFY_CONFLICT_NEW
| SVN_WC__ENTRY_MODIFY_CONFLICT_WRK,
pool));
*merge_outcome = svn_wc_merge_conflict;
}
else if (contains_conflicts && dry_run)
{
*merge_outcome = svn_wc_merge_conflict;
} /* end of conflict handling */
else if (copyfrom_text)
{
*merge_outcome = svn_wc_merge_merged;
}
else
{
svn_boolean_t same, special;
/* If 'special', then use the detranslated form of the
target file. This is so we don't try to follow symlinks,
but the same treatment is probably also appropriate for
whatever special file types we may invent in the future. */
SVN_ERR(svn_wc__get_special(&special, merge_target,
adm_access, pool));
SVN_ERR(svn_io_files_contents_same_p(&same, result_target,
(special ?
tmp_target :
merge_target),
pool));
*merge_outcome = same ? svn_wc_merge_unchanged : svn_wc_merge_merged;
}
if (*merge_outcome != svn_wc_merge_unchanged && ! dry_run)
/* replace MERGE_TARGET with the new merged file, expanding. */
SVN_ERR(svn_wc__loggy_copy(log_accum, NULL,
adm_access,
svn_wc__copy_translate,
result_target, merge_target,
FALSE, pool));
} /* end of merging for text files */
else if (! dry_run) /* merging procedure for binary files */
{
/* ### when making the binary-file backups, should we be honoring
keywords and eol stuff? */
const char *left_copy, *right_copy;
const char *parentt, *left_base, *right_base;
svn_wc_entry_t tmp_entry;
/* Give the conflict resolution callback a chance to clean
up the conflict before we mark the file 'conflicted' */
if (conflict_func)
{
svn_wc_conflict_result_t *result = NULL;
svn_wc_conflict_description_t cdesc;
cdesc.path = merge_target;
cdesc.node_kind = svn_node_file;
cdesc.kind = svn_wc_conflict_kind_text;
cdesc.is_binary = TRUE;
cdesc.mime_type = (mimeprop && mimeprop->value)
? mimeprop->value->data : NULL;
cdesc.access = adm_access;
cdesc.action = svn_wc_conflict_action_edit;
cdesc.reason = svn_wc_conflict_reason_edited;
cdesc.base_file = left;
cdesc.their_file = right;
cdesc.my_file = tmp_target;
cdesc.merged_file = NULL; /* notice there is NO merged file! */
cdesc.property_name = NULL;
SVN_ERR(conflict_func(&result, &cdesc, conflict_baton, pool));
if (result == NULL)
return svn_error_create(SVN_ERR_WC_CONFLICT_RESOLVER_FAILURE,
NULL, _("Conflict callback violated API:"
" returned no results"));
switch (result->choice)
{
/* For a binary file, there's no merged file to look at,
unless the conflict-callback did the merging itself. */
case svn_wc_conflict_choose_base:
{
SVN_ERR(svn_wc__loggy_copy
(log_accum, NULL, adm_access,
svn_wc__copy_translate,
left, merge_target,
FALSE, pool));
*merge_outcome = svn_wc_merge_merged;
contains_conflicts = FALSE;
goto merge_complete;
}
case svn_wc_conflict_choose_theirs_full:
{
SVN_ERR(svn_wc__loggy_copy
(log_accum, NULL, adm_access,
svn_wc__copy_translate,
right, merge_target,
FALSE, pool));
*merge_outcome = svn_wc_merge_merged;
contains_conflicts = FALSE;
goto merge_complete;
}
/* For a binary file, if the response is to use the
user's file, we do nothing. We also do nothing if
the response claims to have already resolved the
problem.*/
case svn_wc_conflict_choose_mine_full:
{
*merge_outcome = svn_wc_merge_merged;
contains_conflicts = FALSE;
goto merge_complete;
}
case svn_wc_conflict_choose_merged:
{
if (! result->merged_file)
{
/* Callback asked us to choose its own
merged file, but didn't provide one! */
return svn_error_create
(SVN_ERR_WC_CONFLICT_RESOLVER_FAILURE,
NULL, _("Conflict callback violated API:"
" returned no merged file"));
}
else
{
SVN_ERR(svn_wc__loggy_copy
(log_accum, NULL, adm_access,
svn_wc__copy_translate,
result->merged_file, merge_target,
FALSE, pool));
*merge_outcome = svn_wc_merge_merged;
contains_conflicts = FALSE;
goto merge_complete;
}
}
case svn_wc_conflict_choose_postpone:
default:
{
/* Assume conflict remains, fall through to code below. */
}
}
}
/* reserve names for backups of left and right fulltexts */
SVN_ERR(svn_io_open_unique_file2(NULL,
&left_copy,
merge_target,
left_label,
svn_io_file_del_none,
pool));
SVN_ERR(svn_io_open_unique_file2(NULL,
&right_copy,
merge_target,
right_label,
svn_io_file_del_none,
pool));
/* create the backup files */
SVN_ERR(svn_io_copy_file(left,
left_copy, TRUE, pool));
SVN_ERR(svn_io_copy_file(right,
right_copy, TRUE, pool));
/* Was the merge target detranslated? */
if (merge_target != tmp_target)
{
/* Create a .mine file too */
const char *mine_copy;
SVN_ERR(svn_io_open_unique_file2(NULL,
&mine_copy,
merge_target,
target_label,
svn_io_file_del_none,
pool));
SVN_ERR(svn_wc__loggy_move(log_accum, NULL,
adm_access,
tmp_target,
mine_copy,
FALSE, pool));
mine_copy = svn_path_is_child(adm_path, mine_copy, pool);
tmp_entry.conflict_wrk = mine_copy;
}
else
tmp_entry.conflict_wrk = NULL;
/* Derive the basenames of the backup files. */
svn_path_split(left_copy, &parentt, &left_base, pool);
svn_path_split(right_copy, &parentt, &right_base, pool);
/* Mark merge_target's entry as "Conflicted", and start tracking
the backup files in the entry as well. */
tmp_entry.conflict_old = left_base;
tmp_entry.conflict_new = right_base;
SVN_ERR(svn_wc__loggy_entry_modify
(log_accum,
adm_access, merge_target,
&tmp_entry,
SVN_WC__ENTRY_MODIFY_CONFLICT_OLD
| SVN_WC__ENTRY_MODIFY_CONFLICT_NEW
| SVN_WC__ENTRY_MODIFY_CONFLICT_WRK,
pool));
*merge_outcome = svn_wc_merge_conflict; /* a conflict happened */
} /* end of binary conflict handling */
else
*merge_outcome = svn_wc_merge_conflict; /* dry_run for binary files. */
merge_complete:
/* Merging is complete. Regardless of text or binariness, we might
need to tweak the executable bit on the new working file. */
if (! dry_run)
{
SVN_ERR(svn_wc__loggy_maybe_set_executable(log_accum,
adm_access, merge_target,
pool));
SVN_ERR(svn_wc__loggy_maybe_set_readonly(log_accum,
adm_access, merge_target,
pool));
}
return SVN_NO_ERROR;
}
