File fix-issue4711.patch of Package subversion

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File fix-issue4711.patch of Package subversion

Index: subversion-1.14.x/subversion/svn/log-cmd.c
===================================================================
--- subversion-1.14.x/subversion/svn/log-cmd.c	(revision 1921239)
+++ subversion-1.14.x/subversion/svn/log-cmd.c	(working copy)
@@ -45,6 +45,12 @@
 
 #include "svn_private_config.h"
 
+typedef struct merge_stack {
+  svn_revnum_t rev;
+  svn_boolean_t emitted;
+  svn_boolean_t subtractive_merge;
+} merge_stack_t;
+
 
 /*** Code. ***/
 
@@ -355,10 +361,16 @@
     {
       if (log_entry->has_children)
         {
+          merge_stack_t ms;
+
           if (! lb->merge_stack)
-            lb->merge_stack = apr_array_make(lb->pool, 1, sizeof(svn_revnum_t));
+            lb->merge_stack = apr_array_make(lb->pool, 1,
+                                             sizeof(merge_stack_t));
 
-          APR_ARRAY_PUSH(lb->merge_stack, svn_revnum_t) = log_entry->revision;
+          ms.rev = log_entry->revision;
+          ms.emitted = FALSE;
+          ms.subtractive_merge = log_entry->subtractive_merge;
+          APR_ARRAY_PUSH(lb->merge_stack, merge_stack_t) = ms;
         }
 
       return SVN_NO_ERROR;
@@ -435,10 +447,10 @@
       iterpool = svn_pool_create(pool);
       for (i = 0; i < lb->merge_stack->nelts; i++)
         {
-          svn_revnum_t rev = APR_ARRAY_IDX(lb->merge_stack, i, svn_revnum_t);
+          merge_stack_t ms = APR_ARRAY_IDX(lb->merge_stack, i, merge_stack_t);
 
           svn_pool_clear(iterpool);
-          SVN_ERR(svn_cmdline_printf(iterpool, " r%ld%c", rev,
+          SVN_ERR(svn_cmdline_printf(iterpool, " r%ld%c", ms.rev,
                                      i == lb->merge_stack->nelts - 1 ?
                                                                   '\n' : ','));
         }
@@ -475,10 +487,15 @@
 
   if (log_entry->has_children)
     {
+      merge_stack_t ms;
+
       if (! lb->merge_stack)
-        lb->merge_stack = apr_array_make(lb->pool, 1, sizeof(svn_revnum_t));
+        lb->merge_stack = apr_array_make(lb->pool, 1, sizeof(merge_stack_t));
 
-      APR_ARRAY_PUSH(lb->merge_stack, svn_revnum_t) = log_entry->revision;
+      ms.rev = log_entry->revision;
+      ms.emitted = FALSE;
+      ms.subtractive_merge = log_entry->subtractive_merge;
+      APR_ARRAY_PUSH(lb->merge_stack, merge_stack_t) = ms;
     }
 
   return SVN_NO_ERROR;
@@ -544,11 +561,17 @@
 
   if (! SVN_IS_VALID_REVNUM(log_entry->revision))
     {
-      svn_xml_make_close_tag(&sb, pool, "logentry");
-      SVN_ERR(svn_cl__error_checked_fputs(sb->data, stdout));
       if (lb->merge_stack)
-        apr_array_pop(lb->merge_stack);
-
+        {
+          if (lb->merge_stack->nelts > 0 &&
+              APR_ARRAY_IDX(lb->merge_stack, lb->merge_stack->nelts-1,
+                            merge_stack_t).emitted)
+            {
+              svn_xml_make_close_tag(&sb, pool, "logentry");
+              SVN_ERR(svn_cl__error_checked_fputs(sb->data, stdout));
+            }
+          apr_array_pop(lb->merge_stack);
+        }
       return SVN_NO_ERROR;
     }
 
@@ -559,15 +582,48 @@
     {
       if (log_entry->has_children)
         {
+          merge_stack_t ms;
+
           if (! lb->merge_stack)
-            lb->merge_stack = apr_array_make(lb->pool, 1, sizeof(svn_revnum_t));
+            lb->merge_stack = apr_array_make(lb->pool, 1,
+                                             sizeof(merge_stack_t));
 
-          APR_ARRAY_PUSH(lb->merge_stack, svn_revnum_t) = log_entry->revision;
+          ms.rev = log_entry->revision;
+          ms.emitted = FALSE;
+          ms.subtractive_merge = log_entry->subtractive_merge;
+          APR_ARRAY_PUSH(lb->merge_stack, merge_stack_t) = ms;
         }
 
       return SVN_NO_ERROR;
     }
+  else if (lb->search_patterns && lb->merge_stack)
+    {
+      /* match_search_patterns returned true */
+      int i;
 
+      for (i = 0; i < lb->merge_stack->nelts; i++)
+        {
+          merge_stack_t ms = APR_ARRAY_IDX(lb->merge_stack, i, merge_stack_t);
+          if (!ms.emitted)
+            {
+              revstr = apr_psprintf(pool, "%ld", ms.rev);
+              if (i == 0)
+                {
+                  svn_xml_make_open_tag(&sb, pool, svn_xml_normal, "logentry",
+                                        "revision", revstr, SVN_VA_NULL);
+                }
+              else
+                {
+                  svn_xml_make_open_tag(&sb, pool, svn_xml_normal, "logentry",
+                                        "revision", revstr, "reverse-merge",
+                                        ms.subtractive_merge ? "true" : "false",
+                                        SVN_VA_NULL);
+                }
+              APR_ARRAY_IDX(lb->merge_stack, i, merge_stack_t).emitted = TRUE;
+            }
+        }
+    }
+
   if (author)
     author = svn_xml_fuzzy_escape(author, pool);
   if (date)
@@ -684,10 +740,15 @@
 
   if (log_entry->has_children)
     {
+      merge_stack_t ms;
+
       if (! lb->merge_stack)
-        lb->merge_stack = apr_array_make(lb->pool, 1, sizeof(svn_revnum_t));
+        lb->merge_stack = apr_array_make(lb->pool, 1, sizeof(merge_stack_t));
 
-      APR_ARRAY_PUSH(lb->merge_stack, svn_revnum_t) = log_entry->revision;
+      ms.rev = log_entry->revision;
+      ms.emitted = TRUE;
+      ms.subtractive_merge = log_entry->subtractive_merge;
+      APR_ARRAY_PUSH(lb->merge_stack, merge_stack_t) = ms;
     }
   else
     svn_xml_make_close_tag(&sb, pool, "logentry");

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