[PATCH v2 6/8] merge-ort: allow update messages to be written to different file stream

["Elijah Newren via GitGitGadget" <gitgitgadget@gmail.com>]

From: Elijah Newren <newren@gmail.com>

This modifies the new display_update_messages() function to allow
printing to somewhere other than stdout.

Signed-off-by: Elijah Newren <newren@gmail.com>
---
 merge-ort.c | 7 ++++---
 merge-ort.h | 3 ++-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/merge-ort.c b/merge-ort.c
index 3cdef173cd7..86eebf39166 100644
--- a/merge-ort.c
+++ b/merge-ort.c
@@ -4198,7 +4198,8 @@ static int record_conflicted_index_entries(struct merge_options *opt)
 }
 
 void merge_display_update_messages(struct merge_options *opt,
-				   struct merge_result *result)
+				   struct merge_result *result,
+				   FILE *stream)
 {
 	struct merge_options_internal *opti = result->priv;
 	struct hashmap_iter iter;
@@ -4222,7 +4223,7 @@ void merge_display_update_messages(struct merge_options *opt,
 	for (i = 0; i < olist.nr; ++i) {
 		struct strbuf *sb = olist.items[i].util;
 
-		printf("%s", sb->buf);
+		fprintf(stream, "%s", sb->buf);
 	}
 	string_list_clear(&olist, 0);
 
@@ -4272,7 +4273,7 @@ void merge_switch_to_result(struct merge_options *opt,
 	}
 
 	if (display_update_msgs)
-		merge_display_update_messages(opt, result);
+		merge_display_update_messages(opt, result, stdout);
 
 	merge_finalize(opt, result);
 }
diff --git a/merge-ort.h b/merge-ort.h
index 1b93555a60b..55819a57da8 100644
--- a/merge-ort.h
+++ b/merge-ort.h
@@ -76,7 +76,8 @@ void merge_switch_to_result(struct merge_options *opt,
  * so only call this when bypassing merge_switch_to_result().
  */
 void merge_display_update_messages(struct merge_options *opt,
-				   struct merge_result *result);
+				   struct merge_result *result,
+				   FILE *stream);
 
 /* Do needed cleanup when not calling merge_switch_to_result() */
 void merge_finalize(struct merge_options *opt,
-- 
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