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authorPeter Wemm <peter@FreeBSD.org>2013-06-18 02:07:41 +0000
committerPeter Wemm <peter@FreeBSD.org>2013-06-18 02:07:41 +0000
commit32547653cc5376642e1231fb644db99933ac8db4 (patch)
tree135691142dc0e75a5e5d97b5074d03436435b8e0 /subversion/libsvn_client/info.c
downloadsrc-32547653cc5376642e1231fb644db99933ac8db4.tar.gz
src-32547653cc5376642e1231fb644db99933ac8db4.zip
Import trimmed svn-1.8.0-rc3vendor/subversion/subversion-1.8.0-rc3
Notes
Notes: svn path=/vendor/subversion/dist/; revision=251881 svn path=/vendor/subversion/subversion-1.8.0-rc3/; revision=251882; tag=vendor/subversion/subversion-1.8.0-rc3
Diffstat (limited to 'subversion/libsvn_client/info.c')
-rw-r--r--subversion/libsvn_client/info.c402
1 files changed, 402 insertions, 0 deletions
diff --git a/subversion/libsvn_client/info.c b/subversion/libsvn_client/info.c
new file mode 100644
index 000000000000..f49f22e8ee3e
--- /dev/null
+++ b/subversion/libsvn_client/info.c
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+/*
+ * info.c: return system-generated metadata about paths or URLs.
+ *
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ */
+
+/* ==================================================================== */
+
+
+
+#include "client.h"
+#include "svn_client.h"
+#include "svn_pools.h"
+#include "svn_dirent_uri.h"
+#include "svn_path.h"
+#include "svn_hash.h"
+#include "svn_wc.h"
+
+#include "svn_private_config.h"
+#include "private/svn_fspath.h"
+#include "private/svn_wc_private.h"
+
+
+svn_client_info2_t *
+svn_client_info2_dup(const svn_client_info2_t *info,
+ apr_pool_t *pool)
+{
+ svn_client_info2_t *new_info = apr_pmemdup(pool, info, sizeof(*new_info));
+
+ if (new_info->URL)
+ new_info->URL = apr_pstrdup(pool, info->URL);
+ if (new_info->repos_root_URL)
+ new_info->repos_root_URL = apr_pstrdup(pool, info->repos_root_URL);
+ if (new_info->repos_UUID)
+ new_info->repos_UUID = apr_pstrdup(pool, info->repos_UUID);
+ if (info->last_changed_author)
+ new_info->last_changed_author = apr_pstrdup(pool, info->last_changed_author);
+ if (new_info->lock)
+ new_info->lock = svn_lock_dup(info->lock, pool);
+ if (new_info->wc_info)
+ new_info->wc_info = svn_wc_info_dup(info->wc_info, pool);
+ return new_info;
+}
+
+/* Set *INFO to a new info struct built from DIRENT
+ and (possibly NULL) svn_lock_t LOCK, all allocated in POOL.
+ Pointer fields are copied by reference, not dup'd. */
+static svn_error_t *
+build_info_from_dirent(svn_client_info2_t **info,
+ const svn_dirent_t *dirent,
+ svn_lock_t *lock,
+ const svn_client__pathrev_t *pathrev,
+ apr_pool_t *pool)
+{
+ svn_client_info2_t *tmpinfo = apr_pcalloc(pool, sizeof(*tmpinfo));
+
+ tmpinfo->URL = pathrev->url;
+ tmpinfo->rev = pathrev->rev;
+ tmpinfo->kind = dirent->kind;
+ tmpinfo->repos_UUID = pathrev->repos_uuid;
+ tmpinfo->repos_root_URL = pathrev->repos_root_url;
+ tmpinfo->last_changed_rev = dirent->created_rev;
+ tmpinfo->last_changed_date = dirent->time;
+ tmpinfo->last_changed_author = dirent->last_author;
+ tmpinfo->lock = lock;
+ tmpinfo->size = dirent->size;
+
+ tmpinfo->wc_info = NULL;
+
+ *info = tmpinfo;
+ return SVN_NO_ERROR;
+}
+
+
+/* The dirent fields we care about for our calls to svn_ra_get_dir2. */
+#define DIRENT_FIELDS (SVN_DIRENT_KIND | \
+ SVN_DIRENT_CREATED_REV | \
+ SVN_DIRENT_TIME | \
+ SVN_DIRENT_LAST_AUTHOR)
+
+
+/* Helper func for recursively fetching svn_dirent_t's from a remote
+ directory and pushing them at an info-receiver callback.
+
+ DEPTH is the depth starting at DIR, even though RECEIVER is never
+ invoked on DIR: if DEPTH is svn_depth_immediates, then invoke
+ RECEIVER on all children of DIR, but none of their children; if
+ svn_depth_files, then invoke RECEIVER on file children of DIR but
+ not on subdirectories; if svn_depth_infinity, recurse fully.
+ DIR is a relpath, relative to the root of RA_SESSION.
+*/
+static svn_error_t *
+push_dir_info(svn_ra_session_t *ra_session,
+ const svn_client__pathrev_t *pathrev,
+ const char *dir,
+ svn_client_info_receiver2_t receiver,
+ void *receiver_baton,
+ svn_depth_t depth,
+ svn_client_ctx_t *ctx,
+ apr_hash_t *locks,
+ apr_pool_t *pool)
+{
+ apr_hash_t *tmpdirents;
+ apr_hash_index_t *hi;
+ apr_pool_t *subpool = svn_pool_create(pool);
+
+ SVN_ERR(svn_ra_get_dir2(ra_session, &tmpdirents, NULL, NULL,
+ dir, pathrev->rev, DIRENT_FIELDS, pool));
+
+ for (hi = apr_hash_first(pool, tmpdirents); hi; hi = apr_hash_next(hi))
+ {
+ const char *path, *fs_path;
+ svn_lock_t *lock;
+ svn_client_info2_t *info;
+ const char *name = svn__apr_hash_index_key(hi);
+ svn_dirent_t *the_ent = svn__apr_hash_index_val(hi);
+ svn_client__pathrev_t *child_pathrev;
+
+ svn_pool_clear(subpool);
+
+ if (ctx->cancel_func)
+ SVN_ERR(ctx->cancel_func(ctx->cancel_baton));
+
+ path = svn_relpath_join(dir, name, subpool);
+ child_pathrev = svn_client__pathrev_join_relpath(pathrev, name, subpool);
+ fs_path = svn_client__pathrev_fspath(child_pathrev, subpool);
+
+ lock = svn_hash_gets(locks, fs_path);
+
+ SVN_ERR(build_info_from_dirent(&info, the_ent, lock, child_pathrev,
+ subpool));
+
+ if (depth >= svn_depth_immediates
+ || (depth == svn_depth_files && the_ent->kind == svn_node_file))
+ {
+ SVN_ERR(receiver(receiver_baton, path, info, subpool));
+ }
+
+ if (depth == svn_depth_infinity && the_ent->kind == svn_node_dir)
+ {
+ SVN_ERR(push_dir_info(ra_session, child_pathrev, path,
+ receiver, receiver_baton,
+ depth, ctx, locks, subpool));
+ }
+ }
+
+ svn_pool_destroy(subpool);
+
+ return SVN_NO_ERROR;
+}
+
+
+/* Set *SAME_P to TRUE if URL exists in the head of the repository and
+ refers to the same resource as it does in REV, using POOL for
+ temporary allocations. RA_SESSION is an open RA session for URL. */
+static svn_error_t *
+same_resource_in_head(svn_boolean_t *same_p,
+ const char *url,
+ svn_revnum_t rev,
+ svn_ra_session_t *ra_session,
+ svn_client_ctx_t *ctx,
+ apr_pool_t *pool)
+{
+ svn_error_t *err;
+ svn_opt_revision_t start_rev, peg_rev;
+ const char *head_url;
+
+ start_rev.kind = svn_opt_revision_head;
+ peg_rev.kind = svn_opt_revision_number;
+ peg_rev.value.number = rev;
+
+ err = svn_client__repos_locations(&head_url, NULL, NULL, NULL,
+ ra_session,
+ url, &peg_rev,
+ &start_rev, NULL,
+ ctx, pool);
+ if (err &&
+ ((err->apr_err == SVN_ERR_CLIENT_UNRELATED_RESOURCES) ||
+ (err->apr_err == SVN_ERR_FS_NOT_FOUND)))
+ {
+ svn_error_clear(err);
+ *same_p = FALSE;
+ return SVN_NO_ERROR;
+ }
+ else
+ SVN_ERR(err);
+
+ /* ### Currently, the URLs should always be equal, since we can't
+ ### walk forwards in history. */
+ *same_p = (strcmp(url, head_url) == 0);
+
+ return SVN_NO_ERROR;
+}
+
+/* A baton for wc_info_receiver(), containing the wrapped receiver. */
+typedef struct wc_info_receiver_baton_t
+{
+ svn_client_info_receiver2_t client_receiver_func;
+ void *client_receiver_baton;
+} wc_info_receiver_baton_t;
+
+/* A receiver for WC info, implementing svn_client_info_receiver2_t.
+ * Convert the WC info to client info and pass it to the client info
+ * receiver (BATON->client_receiver_func with BATON->client_receiver_baton). */
+static svn_error_t *
+wc_info_receiver(void *baton,
+ const char *abspath_or_url,
+ const svn_wc__info2_t *wc_info,
+ apr_pool_t *scratch_pool)
+{
+ wc_info_receiver_baton_t *b = baton;
+ svn_client_info2_t client_info;
+
+ /* Make a shallow copy in CLIENT_INFO of the contents of WC_INFO. */
+ client_info.repos_root_URL = wc_info->repos_root_URL;
+ client_info.repos_UUID = wc_info->repos_UUID;
+ client_info.rev = wc_info->rev;
+ client_info.URL = wc_info->URL;
+
+ client_info.kind = wc_info->kind;
+ client_info.size = wc_info->size;
+ client_info.last_changed_rev = wc_info->last_changed_rev;
+ client_info.last_changed_date = wc_info->last_changed_date;
+ client_info.last_changed_author = wc_info->last_changed_author;
+
+ client_info.lock = wc_info->lock;
+
+ client_info.wc_info = wc_info->wc_info;
+
+ return b->client_receiver_func(b->client_receiver_baton,
+ abspath_or_url, &client_info, scratch_pool);
+}
+
+svn_error_t *
+svn_client_info3(const char *abspath_or_url,
+ const svn_opt_revision_t *peg_revision,
+ const svn_opt_revision_t *revision,
+ svn_depth_t depth,
+ svn_boolean_t fetch_excluded,
+ svn_boolean_t fetch_actual_only,
+ const apr_array_header_t *changelists,
+ svn_client_info_receiver2_t receiver,
+ void *receiver_baton,
+ svn_client_ctx_t *ctx,
+ apr_pool_t *pool)
+{
+ svn_ra_session_t *ra_session;
+ svn_client__pathrev_t *pathrev;
+ svn_lock_t *lock;
+ svn_boolean_t related;
+ const char *base_name;
+ svn_dirent_t *the_ent;
+ svn_client_info2_t *info;
+ svn_error_t *err;
+
+ if (depth == svn_depth_unknown)
+ depth = svn_depth_empty;
+
+ if ((revision == NULL
+ || revision->kind == svn_opt_revision_unspecified)
+ && (peg_revision == NULL
+ || peg_revision->kind == svn_opt_revision_unspecified))
+ {
+ /* Do all digging in the working copy. */
+ wc_info_receiver_baton_t b;
+
+ b.client_receiver_func = receiver;
+ b.client_receiver_baton = receiver_baton;
+ return svn_error_trace(
+ svn_wc__get_info(ctx->wc_ctx, abspath_or_url, depth,
+ fetch_excluded, fetch_actual_only, changelists,
+ wc_info_receiver, &b,
+ ctx->cancel_func, ctx->cancel_baton, pool));
+ }
+
+ /* Go repository digging instead. */
+
+ /* Trace rename history (starting at path_or_url@peg_revision) and
+ return RA session to the possibly-renamed URL as it exists in REVISION.
+ The ra_session returned will be anchored on this "final" URL. */
+ SVN_ERR(svn_client__ra_session_from_path2(&ra_session, &pathrev,
+ abspath_or_url, NULL, peg_revision,
+ revision, ctx, pool));
+
+ svn_uri_split(NULL, &base_name, pathrev->url, pool);
+
+ /* Get the dirent for the URL itself. */
+ SVN_ERR(svn_client__ra_stat_compatible(ra_session, pathrev->rev, &the_ent,
+ DIRENT_FIELDS, ctx, pool));
+
+ if (! the_ent)
+ return svn_error_createf(SVN_ERR_RA_ILLEGAL_URL, NULL,
+ _("URL '%s' non-existent in revision %ld"),
+ pathrev->url, pathrev->rev);
+
+ /* Check if the URL exists in HEAD and refers to the same resource.
+ In this case, we check the repository for a lock on this URL.
+
+ ### There is a possible race here, since HEAD might have changed since
+ ### we checked it. A solution to this problem could be to do the below
+ ### check in a loop which only terminates if the HEAD revision is the same
+ ### before and after this check. That could, however, lead to a
+ ### starvation situation instead. */
+ SVN_ERR(same_resource_in_head(&related, pathrev->url, pathrev->rev,
+ ra_session, ctx, pool));
+ if (related)
+ {
+ err = svn_ra_get_lock(ra_session, &lock, "", pool);
+
+ /* An old mod_dav_svn will always work; there's nothing wrong with
+ doing a PROPFIND for a property named "DAV:supportedlock". But
+ an old svnserve will error. */
+ if (err && err->apr_err == SVN_ERR_RA_NOT_IMPLEMENTED)
+ {
+ svn_error_clear(err);
+ lock = NULL;
+ }
+ else if (err)
+ return svn_error_trace(err);
+ }
+ else
+ lock = NULL;
+
+ /* Push the URL's dirent (and lock) at the callback.*/
+ SVN_ERR(build_info_from_dirent(&info, the_ent, lock, pathrev, pool));
+ SVN_ERR(receiver(receiver_baton, base_name, info, pool));
+
+ /* Possibly recurse, using the original RA session. */
+ if (depth > svn_depth_empty && (the_ent->kind == svn_node_dir))
+ {
+ apr_hash_t *locks;
+
+ if (peg_revision->kind == svn_opt_revision_head)
+ {
+ err = svn_ra_get_locks2(ra_session, &locks, "", depth,
+ pool);
+
+ /* Catch specific errors thrown by old mod_dav_svn or svnserve. */
+ if (err &&
+ (err->apr_err == SVN_ERR_RA_NOT_IMPLEMENTED
+ || err->apr_err == SVN_ERR_UNSUPPORTED_FEATURE))
+ {
+ svn_error_clear(err);
+ locks = apr_hash_make(pool); /* use an empty hash */
+ }
+ else if (err)
+ return svn_error_trace(err);
+ }
+ else
+ locks = apr_hash_make(pool); /* use an empty hash */
+
+ SVN_ERR(push_dir_info(ra_session, pathrev, "",
+ receiver, receiver_baton,
+ depth, ctx, locks, pool));
+ }
+
+ return SVN_NO_ERROR;
+}
+
+
+svn_error_t *
+svn_client_get_wc_root(const char **wcroot_abspath,
+ const char *local_abspath,
+ svn_client_ctx_t *ctx,
+ apr_pool_t *result_pool,
+ apr_pool_t *scratch_pool)
+{
+ return svn_wc__get_wcroot(wcroot_abspath, ctx->wc_ctx, local_abspath,
+ result_pool, scratch_pool);
+}
+
+
+/* NOTE: This function was requested by the TortoiseSVN project. See
+ issue #3927. */
+svn_error_t *
+svn_client_min_max_revisions(svn_revnum_t *min_revision,
+ svn_revnum_t *max_revision,
+ const char *local_abspath,
+ svn_boolean_t committed,
+ svn_client_ctx_t *ctx,
+ apr_pool_t *scratch_pool)
+{
+ return svn_wc__min_max_revisions(min_revision, max_revision, ctx->wc_ctx,
+ local_abspath, committed, scratch_pool);
+}