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From julianf...@apache.org
Subject svn commit: r1575333 - in /subversion/branches/1.7.x-r1574868: ./ subversion/libsvn_repos/dump.c subversion/tests/libsvn_repos/repos-test.c
Date Fri, 07 Mar 2014 17:15:02 GMT
Author: julianfoad
Date: Fri Mar  7 17:15:02 2014
New Revision: 1575333

URL: http://svn.apache.org/r1575333
Log:
On the 1.7.x-r1574868 branch: merge r1574868 from trunk.

Modified:
    subversion/branches/1.7.x-r1574868/   (props changed)
    subversion/branches/1.7.x-r1574868/subversion/libsvn_repos/dump.c
    subversion/branches/1.7.x-r1574868/subversion/tests/libsvn_repos/repos-test.c

Propchange: subversion/branches/1.7.x-r1574868/
------------------------------------------------------------------------------
  Merged /subversion/trunk:r1574868

Modified: subversion/branches/1.7.x-r1574868/subversion/libsvn_repos/dump.c
URL: http://svn.apache.org/viewvc/subversion/branches/1.7.x-r1574868/subversion/libsvn_repos/dump.c?rev=1575333&r1=1575332&r2=1575333&view=diff
==============================================================================
--- subversion/branches/1.7.x-r1574868/subversion/libsvn_repos/dump.c (original)
+++ subversion/branches/1.7.x-r1574868/subversion/libsvn_repos/dump.c Fri Mar  7 17:15:02
2014
@@ -212,6 +212,48 @@ make_dir_baton(const char *path,
   return new_db;
 }
 
+/* If the mergeinfo in MERGEINFO_STR refers to any revisions older than
+ * OLDEST_DUMPED_REV, issue a warning and set *FOUND_OLD_MERGEINFO to TRUE,
+ * otherwise leave *FOUND_OLD_MERGEINFO unchanged.
+ */
+static svn_error_t *
+verify_mergeinfo_revisions(svn_boolean_t *found_old_mergeinfo,
+                           const char *mergeinfo_str,
+                           svn_revnum_t oldest_dumped_rev,
+                           svn_repos_notify_func_t notify_func,
+                           void *notify_baton,
+                           apr_pool_t *pool)
+{
+  svn_mergeinfo_t mergeinfo, old_mergeinfo;
+
+  SVN_ERR(svn_mergeinfo_parse(&mergeinfo, mergeinfo_str, pool));
+  SVN_ERR(svn_mergeinfo__filter_mergeinfo_by_ranges(
+            &old_mergeinfo, mergeinfo,
+            oldest_dumped_rev - 1, 0,
+            TRUE, pool, pool));
+
+  if (apr_hash_count(old_mergeinfo))
+    {
+      svn_repos_notify_t *notify =
+        svn_repos_notify_create(svn_repos_notify_warning, pool);
+
+      notify->warning = svn_repos_notify_warning_found_old_mergeinfo;
+      notify->warning_str = apr_psprintf(
+        pool,
+        _("Mergeinfo referencing revision(s) prior "
+          "to the oldest dumped revision (r%ld). "
+          "Loading this dump may result in invalid "
+          "mergeinfo."),
+        oldest_dumped_rev);
+
+      if (found_old_mergeinfo)
+        *found_old_mergeinfo = TRUE;
+      notify_func(notify_baton, notify, pool);
+    }
+
+  return SVN_NO_ERROR;
+}
+
 
 /* This helper is the main "meat" of the editor -- it does all the
    work of writing a node record.
@@ -473,31 +515,13 @@ dump_node(struct edit_baton *eb,
                                                      APR_HASH_KEY_STRING);
           if (mergeinfo_str)
             {
-              svn_mergeinfo_t mergeinfo, old_mergeinfo;
-
-              SVN_ERR(svn_mergeinfo_parse(&mergeinfo, mergeinfo_str->data,
-                                          pool));
-              SVN_ERR(svn_mergeinfo__filter_mergeinfo_by_ranges(
-                &old_mergeinfo, mergeinfo,
-                eb->oldest_dumped_rev - 1, 0,
-                TRUE, pool, pool));
-              if (apr_hash_count(old_mergeinfo))
-                {
-                  svn_repos_notify_t *notify =
-                    svn_repos_notify_create(svn_repos_notify_warning, pool);
-
-                  notify->warning = svn_repos_notify_warning_found_old_mergeinfo;
-                  notify->warning_str = apr_psprintf(
-                    pool,
-                    _("Mergeinfo referencing revision(s) prior "
-                      "to the oldest dumped revision (r%ld). "
-                      "Loading this dump may result in invalid "
-                      "mergeinfo."),
-                    eb->oldest_dumped_rev);
-
-                  eb->found_old_mergeinfo = TRUE;
-                  eb->notify_func(eb->notify_baton, notify, pool);
-                }
+              /* An error in verifying the mergeinfo must not prevent dumping
+                 the data. Ignore any such error. */
+              svn_error_clear(verify_mergeinfo_revisions(
+                                eb->found_old_mergeinfo,
+                                mergeinfo_str->data, eb->oldest_dumped_rev,
+                                eb->notify_func, eb->notify_baton,
+                                pool));
             }
         }
 

Modified: subversion/branches/1.7.x-r1574868/subversion/tests/libsvn_repos/repos-test.c
URL: http://svn.apache.org/viewvc/subversion/branches/1.7.x-r1574868/subversion/tests/libsvn_repos/repos-test.c?rev=1575333&r1=1575332&r2=1575333&view=diff
==============================================================================
--- subversion/branches/1.7.x-r1574868/subversion/tests/libsvn_repos/repos-test.c (original)
+++ subversion/branches/1.7.x-r1574868/subversion/tests/libsvn_repos/repos-test.c Fri Mar
 7 17:15:02 2014
@@ -2527,6 +2527,65 @@ issue_4060(const svn_test_opts_t *opts,
 }
 
 
+/* Notification receiver for test_dump_bad_mergeinfo(). This does not
+   need to do anything, it just needs to exist.
+ */
+static void
+dump_r0_mergeinfo_notifier(void *baton,
+                           const svn_repos_notify_t *notify,
+                           apr_pool_t *scratch_pool)
+{
+}
+
+/* Regression test for part the 'dump' part of issue #4476 "Mergeinfo
+   containing r0 makes svnsync and svnadmin dump fail". */
+static svn_error_t *
+test_dump_r0_mergeinfo(const svn_test_opts_t *opts,
+                       apr_pool_t *pool)
+{
+  svn_repos_t *repos;
+  svn_fs_t *fs;
+  svn_fs_txn_t *txn;
+  svn_fs_root_t *txn_root;
+  svn_revnum_t youngest_rev = 0;
+  const svn_string_t *bad_mergeinfo = svn_string_create("/foo:0", pool);
+
+  SVN_ERR(svn_test__create_repos(&repos, "test-repo-dump-r0-mergeinfo",
+                                 opts, pool));
+  fs = svn_repos_fs(repos);
+
+  /* Revision 1:  Any commit will do, here  */
+  SVN_ERR(svn_fs_begin_txn(&txn, fs, youngest_rev, pool));
+  SVN_ERR(svn_fs_txn_root(&txn_root, txn, pool));
+  SVN_ERR(svn_fs_make_dir(txn_root, "/bar", pool));
+  SVN_ERR(svn_repos_fs_commit_txn(NULL, repos, &youngest_rev, txn, pool));
+  SVN_TEST_ASSERT(SVN_IS_VALID_REVNUM(youngest_rev));
+
+  /* Revision 2:  Add bad mergeinfo */
+  SVN_ERR(svn_fs_begin_txn(&txn, fs, youngest_rev, pool));
+  SVN_ERR(svn_fs_txn_root(&txn_root, txn, pool));
+  SVN_ERR(svn_fs_change_node_prop(txn_root, "/bar", "svn:mergeinfo", bad_mergeinfo, pool));
+  SVN_ERR(svn_repos_fs_commit_txn(NULL, repos, &youngest_rev, txn, pool));
+  SVN_TEST_ASSERT(SVN_IS_VALID_REVNUM(youngest_rev));
+
+  /* Test that a dump completes without error. In order to exercise the
+     functionality under test -- that is, in order for the dump to try to
+     parse the mergeinfo it is dumping -- the dump must start from a
+     revision greater than 1 and must take a notification callback. */
+  {
+    svn_stringbuf_t *stringbuf = svn_stringbuf_create("", pool);
+    svn_stream_t *stream = svn_stream_from_stringbuf(stringbuf, pool);
+
+    SVN_ERR(svn_repos_dump_fs3(repos, stream, 2, SVN_INVALID_REVNUM,
+                               FALSE, FALSE,
+                               dump_r0_mergeinfo_notifier, NULL,
+                               NULL, NULL,
+                               pool));
+  }
+
+  return SVN_NO_ERROR;
+}
+
 /* The test table.  */
 
 struct svn_test_descriptor_t test_funcs[] =
@@ -2562,5 +2621,7 @@ struct svn_test_descriptor_t test_funcs[
                        "test svn_repos_get_file_revsN"),
     SVN_TEST_OPTS_PASS(issue_4060,
                        "test issue 4060"),
+    SVN_TEST_OPTS_PASS(test_dump_r0_mergeinfo,
+                       "test dumping with r0 mergeinfo"),
     SVN_TEST_NULL
   };



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