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-rw-r--r--subversion/libsvn_client/copy_foreign.c571
1 files changed, 571 insertions, 0 deletions
diff --git a/subversion/libsvn_client/copy_foreign.c b/subversion/libsvn_client/copy_foreign.c
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--- /dev/null
+++ b/subversion/libsvn_client/copy_foreign.c
@@ -0,0 +1,571 @@
+/*
+ * copy_foreign.c: copy from other repository support.
+ *
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ */
+
+/* ==================================================================== */
+
+/*** Includes. ***/
+
+#include <string.h>
+#include "svn_hash.h"
+#include "svn_client.h"
+#include "svn_delta.h"
+#include "svn_dirent_uri.h"
+#include "svn_error.h"
+#include "svn_error_codes.h"
+#include "svn_path.h"
+#include "svn_pools.h"
+#include "svn_props.h"
+#include "svn_ra.h"
+#include "svn_wc.h"
+
+#include <apr_md5.h>
+
+#include "client.h"
+#include "private/svn_subr_private.h"
+#include "private/svn_wc_private.h"
+#include "svn_private_config.h"
+
+struct edit_baton_t
+{
+ apr_pool_t *pool;
+ const char *anchor_abspath;
+
+ svn_wc_context_t *wc_ctx;
+ svn_wc_notify_func2_t notify_func;
+ void *notify_baton;
+};
+
+struct dir_baton_t
+{
+ apr_pool_t *pool;
+
+ struct dir_baton_t *pb;
+ struct edit_baton_t *eb;
+
+ const char *local_abspath;
+
+ svn_boolean_t created;
+ apr_hash_t *properties;
+
+ int users;
+};
+
+/* svn_delta_editor_t function */
+static svn_error_t *
+edit_open(void *edit_baton,
+ svn_revnum_t base_revision,
+ apr_pool_t *result_pool,
+ void **root_baton)
+{
+ struct edit_baton_t *eb = edit_baton;
+ apr_pool_t *dir_pool = svn_pool_create(eb->pool);
+ struct dir_baton_t *db = apr_pcalloc(dir_pool, sizeof(*db));
+
+ db->pool = dir_pool;
+ db->eb = eb;
+ db->users = 1;
+ db->local_abspath = eb->anchor_abspath;
+
+ SVN_ERR(svn_io_make_dir_recursively(eb->anchor_abspath, dir_pool));
+
+ *root_baton = db;
+
+ return SVN_NO_ERROR;
+}
+
+/* svn_delta_editor_t function */
+static svn_error_t *
+edit_close(void *edit_baton,
+ apr_pool_t *scratch_pool)
+{
+ return SVN_NO_ERROR;
+}
+
+static svn_error_t *
+dir_add(const char *path,
+ void *parent_baton,
+ const char *copyfrom_path,
+ svn_revnum_t copyfrom_revision,
+ apr_pool_t *result_pool,
+ void **child_baton)
+{
+ struct dir_baton_t *pb = parent_baton;
+ struct edit_baton_t *eb = pb->eb;
+ apr_pool_t *dir_pool = svn_pool_create(pb->pool);
+ struct dir_baton_t *db = apr_pcalloc(dir_pool, sizeof(*db));
+ svn_boolean_t under_root;
+
+ pb->users++;
+
+ db->pb = pb;
+ db->eb = pb->eb;
+ db->pool = dir_pool;
+ db->users = 1;
+
+ SVN_ERR(svn_dirent_is_under_root(&under_root, &db->local_abspath,
+ eb->anchor_abspath, path, db->pool));
+ if (! under_root)
+ {
+ return svn_error_createf(
+ SVN_ERR_WC_OBSTRUCTED_UPDATE, NULL,
+ _("Path '%s' is not in the working copy"),
+ svn_dirent_local_style(path, db->pool));
+ }
+
+ SVN_ERR(svn_io_make_dir_recursively(db->local_abspath, db->pool));
+
+ *child_baton = db;
+ return SVN_NO_ERROR;
+}
+
+static svn_error_t *
+dir_change_prop(void *dir_baton,
+ const char *name,
+ const svn_string_t *value,
+ apr_pool_t *scratch_pool)
+{
+ struct dir_baton_t *db = dir_baton;
+ struct edit_baton_t *eb = db->eb;
+ svn_prop_kind_t prop_kind;
+
+ prop_kind = svn_property_kind2(name);
+
+ if (prop_kind != svn_prop_regular_kind
+ || ! strcmp(name, SVN_PROP_MERGEINFO))
+ {
+ /* We can't handle DAV, ENTRY and merge specific props here */
+ return SVN_NO_ERROR;
+ }
+
+ if (! db->created)
+ {
+ /* We can still store them in the hash for immediate addition
+ with the svn_wc_add_from_disk2() call */
+ if (! db->properties)
+ db->properties = apr_hash_make(db->pool);
+
+ if (value != NULL)
+ svn_hash_sets(db->properties, apr_pstrdup(db->pool, name),
+ svn_string_dup(value, db->pool));
+ }
+ else
+ {
+ /* We have already notified for this directory, so don't do that again */
+ SVN_ERR(svn_wc_prop_set4(eb->wc_ctx, db->local_abspath, name, value,
+ svn_depth_empty, FALSE, NULL,
+ NULL, NULL, /* Cancelation */
+ NULL, NULL, /* Notification */
+ scratch_pool));
+ }
+
+ return SVN_NO_ERROR;
+}
+
+/* Releases the directory baton if there are no more users */
+static svn_error_t *
+maybe_done(struct dir_baton_t *db)
+{
+ db->users--;
+
+ if (db->users == 0)
+ {
+ struct dir_baton_t *pb = db->pb;
+
+ svn_pool_clear(db->pool);
+
+ if (pb)
+ SVN_ERR(maybe_done(pb));
+ }
+
+ return SVN_NO_ERROR;
+}
+
+static svn_error_t *
+ensure_added(struct dir_baton_t *db,
+ apr_pool_t *scratch_pool)
+{
+ if (db->created)
+ return SVN_NO_ERROR;
+
+ if (db->pb)
+ SVN_ERR(ensure_added(db->pb, scratch_pool));
+
+ db->created = TRUE;
+
+ /* Add the directory with all the already collected properties */
+ SVN_ERR(svn_wc_add_from_disk2(db->eb->wc_ctx,
+ db->local_abspath,
+ db->properties,
+ db->eb->notify_func,
+ db->eb->notify_baton,
+ scratch_pool));
+
+ return SVN_NO_ERROR;
+}
+
+static svn_error_t *
+dir_close(void *dir_baton,
+ apr_pool_t *scratch_pool)
+{
+ struct dir_baton_t *db = dir_baton;
+ /*struct edit_baton_t *eb = db->eb;*/
+
+ SVN_ERR(ensure_added(db, scratch_pool));
+
+ SVN_ERR(maybe_done(db));
+
+ return SVN_NO_ERROR;
+}
+
+struct file_baton_t
+{
+ apr_pool_t *pool;
+
+ struct dir_baton_t *pb;
+ struct edit_baton_t *eb;
+
+ const char *local_abspath;
+ apr_hash_t *properties;
+
+ svn_boolean_t writing;
+ unsigned char digest[APR_MD5_DIGESTSIZE];
+
+ const char *tmp_path;
+};
+
+static svn_error_t *
+file_add(const char *path,
+ void *parent_baton,
+ const char *copyfrom_path,
+ svn_revnum_t copyfrom_revision,
+ apr_pool_t *result_pool,
+ void **file_baton)
+{
+ struct dir_baton_t *pb = parent_baton;
+ struct edit_baton_t *eb = pb->eb;
+ apr_pool_t *file_pool = svn_pool_create(pb->pool);
+ struct file_baton_t *fb = apr_pcalloc(file_pool, sizeof(*fb));
+ svn_boolean_t under_root;
+
+ pb->users++;
+
+ fb->pool = file_pool;
+ fb->eb = eb;
+ fb->pb = pb;
+
+ SVN_ERR(svn_dirent_is_under_root(&under_root, &fb->local_abspath,
+ eb->anchor_abspath, path, fb->pool));
+ if (! under_root)
+ {
+ return svn_error_createf(
+ SVN_ERR_WC_OBSTRUCTED_UPDATE, NULL,
+ _("Path '%s' is not in the working copy"),
+ svn_dirent_local_style(path, fb->pool));
+ }
+
+ *file_baton = fb;
+ return SVN_NO_ERROR;
+}
+
+static svn_error_t *
+file_change_prop(void *file_baton,
+ const char *name,
+ const svn_string_t *value,
+ apr_pool_t *scratch_pool)
+{
+ struct file_baton_t *fb = file_baton;
+ svn_prop_kind_t prop_kind;
+
+ prop_kind = svn_property_kind2(name);
+
+ if (prop_kind != svn_prop_regular_kind
+ || ! strcmp(name, SVN_PROP_MERGEINFO))
+ {
+ /* We can't handle DAV, ENTRY and merge specific props here */
+ return SVN_NO_ERROR;
+ }
+
+ /* We store all properties in the hash for immediate addition
+ with the svn_wc_add_from_disk2() call */
+ if (! fb->properties)
+ fb->properties = apr_hash_make(fb->pool);
+
+ if (value != NULL)
+ svn_hash_sets(fb->properties, apr_pstrdup(fb->pool, name),
+ svn_string_dup(value, fb->pool));
+
+ return SVN_NO_ERROR;
+}
+
+static svn_error_t *
+file_textdelta(void *file_baton,
+ const char *base_checksum,
+ apr_pool_t *result_pool,
+ svn_txdelta_window_handler_t *handler,
+ void **handler_baton)
+{
+ struct file_baton_t *fb = file_baton;
+ svn_stream_t *target;
+
+ SVN_ERR_ASSERT(! fb->writing);
+
+ SVN_ERR(svn_stream_open_writable(&target, fb->local_abspath, fb->pool,
+ fb->pool));
+
+ fb->writing = TRUE;
+ svn_txdelta_apply(svn_stream_empty(fb->pool) /* source */,
+ target,
+ fb->digest,
+ fb->local_abspath,
+ fb->pool,
+ /* Provide the handler directly */
+ handler, handler_baton);
+
+ return SVN_NO_ERROR;
+}
+
+static svn_error_t *
+file_close(void *file_baton,
+ const char *text_checksum,
+ apr_pool_t *scratch_pool)
+{
+ struct file_baton_t *fb = file_baton;
+ struct edit_baton_t *eb = fb->eb;
+ struct dir_baton_t *pb = fb->pb;
+
+ SVN_ERR(ensure_added(pb, fb->pool));
+
+ if (text_checksum)
+ {
+ svn_checksum_t *expected_checksum;
+ svn_checksum_t *actual_checksum;
+
+ SVN_ERR(svn_checksum_parse_hex(&expected_checksum, svn_checksum_md5,
+ text_checksum, fb->pool));
+ actual_checksum = svn_checksum__from_digest_md5(fb->digest, fb->pool);
+
+ if (! svn_checksum_match(expected_checksum, actual_checksum))
+ return svn_error_trace(
+ svn_checksum_mismatch_err(expected_checksum,
+ actual_checksum,
+ fb->pool,
+ _("Checksum mismatch for '%s'"),
+ svn_dirent_local_style(
+ fb->local_abspath,
+ fb->pool)));
+ }
+
+ SVN_ERR(svn_wc_add_from_disk2(eb->wc_ctx, fb->local_abspath, fb->properties,
+ eb->notify_func, eb->notify_baton,
+ fb->pool));
+
+ svn_pool_destroy(fb->pool);
+ SVN_ERR(maybe_done(pb));
+
+ return SVN_NO_ERROR;
+}
+
+static svn_error_t *
+copy_foreign_dir(svn_ra_session_t *ra_session,
+ svn_client__pathrev_t *location,
+ svn_wc_context_t *wc_ctx,
+ const char *dst_abspath,
+ svn_depth_t depth,
+ svn_wc_notify_func2_t notify_func,
+ void *notify_baton,
+ svn_cancel_func_t cancel_func,
+ void *cancel_baton,
+ apr_pool_t *scratch_pool)
+{
+ struct edit_baton_t eb;
+ svn_delta_editor_t *editor = svn_delta_default_editor(scratch_pool);
+ const svn_delta_editor_t *wrapped_editor;
+ void *wrapped_baton;
+ const svn_ra_reporter3_t *reporter;
+ void *reporter_baton;
+
+ eb.pool = scratch_pool;
+ eb.anchor_abspath = dst_abspath;
+
+ eb.wc_ctx = wc_ctx;
+ eb.notify_func = notify_func;
+ eb.notify_baton = notify_baton;
+
+ editor->open_root = edit_open;
+ editor->close_edit = edit_close;
+
+ editor->add_directory = dir_add;
+ editor->change_dir_prop = dir_change_prop;
+ editor->close_directory = dir_close;
+
+ editor->add_file = file_add;
+ editor->change_file_prop = file_change_prop;
+ editor->apply_textdelta = file_textdelta;
+ editor->close_file = file_close;
+
+ SVN_ERR(svn_delta_get_cancellation_editor(cancel_func, cancel_baton,
+ editor, &eb,
+ &wrapped_editor, &wrapped_baton,
+ scratch_pool));
+
+ SVN_ERR(svn_ra_do_update3(ra_session, &reporter, &reporter_baton,
+ location->rev, "", svn_depth_infinity,
+ FALSE, FALSE, wrapped_editor, wrapped_baton,
+ scratch_pool, scratch_pool));
+
+ SVN_ERR(reporter->set_path(reporter_baton, "", location->rev, depth,
+ TRUE /* incomplete */,
+ NULL, scratch_pool));
+
+ SVN_ERR(reporter->finish_report(reporter_baton, scratch_pool));
+
+ return SVN_NO_ERROR;
+}
+
+
+svn_error_t *
+svn_client__copy_foreign(const char *url,
+ const char *dst_abspath,
+ svn_opt_revision_t *peg_revision,
+ svn_opt_revision_t *revision,
+ svn_depth_t depth,
+ svn_boolean_t make_parents,
+ svn_boolean_t already_locked,
+ svn_client_ctx_t *ctx,
+ apr_pool_t *scratch_pool)
+{
+ svn_ra_session_t *ra_session;
+ svn_client__pathrev_t *loc;
+ svn_node_kind_t kind;
+ svn_node_kind_t wc_kind;
+ const char *dir_abspath;
+
+ SVN_ERR_ASSERT(svn_path_is_url(url));
+ SVN_ERR_ASSERT(svn_dirent_is_absolute(dst_abspath));
+
+ /* Do we need to validate/update revisions? */
+
+ SVN_ERR(svn_client__ra_session_from_path2(&ra_session, &loc,
+ url, NULL,
+ peg_revision,
+ revision, ctx,
+ scratch_pool));
+
+ SVN_ERR(svn_ra_check_path(ra_session, "", loc->rev, &kind, scratch_pool));
+
+ if (kind != svn_node_file && kind != svn_node_dir)
+ return svn_error_createf(
+ SVN_ERR_ILLEGAL_TARGET, NULL,
+ _("'%s' is not a valid location inside a repository"),
+ url);
+
+ SVN_ERR(svn_wc_read_kind2(&wc_kind, ctx->wc_ctx, dst_abspath, FALSE, TRUE,
+ scratch_pool));
+
+ if (wc_kind != svn_node_none)
+ {
+ return svn_error_createf(
+ SVN_ERR_ENTRY_EXISTS, NULL,
+ _("'%s' is already under version control"),
+ svn_dirent_local_style(dst_abspath, scratch_pool));
+ }
+
+ dir_abspath = svn_dirent_dirname(dst_abspath, scratch_pool);
+ SVN_ERR(svn_wc_read_kind2(&wc_kind, ctx->wc_ctx, dir_abspath,
+ FALSE, FALSE, scratch_pool));
+
+ if (wc_kind == svn_node_none)
+ {
+ if (make_parents)
+ SVN_ERR(svn_client__make_local_parents(dir_abspath, make_parents, ctx,
+ scratch_pool));
+
+ SVN_ERR(svn_wc_read_kind2(&wc_kind, ctx->wc_ctx, dir_abspath,
+ FALSE, FALSE, scratch_pool));
+ }
+
+ if (wc_kind != svn_node_dir)
+ return svn_error_createf(
+ SVN_ERR_ENTRY_NOT_FOUND, NULL,
+ _("Can't add '%s', because no parent directory is found"),
+ svn_dirent_local_style(dst_abspath, scratch_pool));
+
+
+ if (kind == svn_node_file)
+ {
+ svn_stream_t *target;
+ apr_hash_t *props;
+ apr_hash_index_t *hi;
+ SVN_ERR(svn_stream_open_writable(&target, dst_abspath, scratch_pool,
+ scratch_pool));
+
+ SVN_ERR(svn_ra_get_file(ra_session, "", loc->rev, target, NULL, &props,
+ scratch_pool));
+
+ if (props != NULL)
+ for (hi = apr_hash_first(scratch_pool, props); hi;
+ hi = apr_hash_next(hi))
+ {
+ const char *name = svn__apr_hash_index_key(hi);
+
+ if (svn_property_kind2(name) != svn_prop_regular_kind
+ || ! strcmp(name, SVN_PROP_MERGEINFO))
+ {
+ /* We can't handle DAV, ENTRY and merge specific props here */
+ svn_hash_sets(props, name, NULL);
+ }
+ }
+
+ if (!already_locked)
+ SVN_WC__CALL_WITH_WRITE_LOCK(
+ svn_wc_add_from_disk2(ctx->wc_ctx, dst_abspath, props,
+ ctx->notify_func2, ctx->notify_baton2,
+ scratch_pool),
+ ctx->wc_ctx, dir_abspath, FALSE, scratch_pool);
+ else
+ SVN_ERR(svn_wc_add_from_disk2(ctx->wc_ctx, dst_abspath, props,
+ ctx->notify_func2, ctx->notify_baton2,
+ scratch_pool));
+ }
+ else
+ {
+ if (!already_locked)
+ SVN_WC__CALL_WITH_WRITE_LOCK(
+ copy_foreign_dir(ra_session, loc,
+ ctx->wc_ctx, dst_abspath,
+ depth,
+ ctx->notify_func2, ctx->notify_baton2,
+ ctx->cancel_func, ctx->cancel_baton,
+ scratch_pool),
+ ctx->wc_ctx, dir_abspath, FALSE, scratch_pool);
+ else
+ SVN_ERR(copy_foreign_dir(ra_session, loc,
+ ctx->wc_ctx, dst_abspath,
+ depth,
+ ctx->notify_func2, ctx->notify_baton2,
+ ctx->cancel_func, ctx->cancel_baton,
+ scratch_pool));
+ }
+
+ return SVN_NO_ERROR;
+}
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