[PATCH v4 2/6] Output the graph columns at the end of the commit message

[Bo Yang <struggleyb.nku@gmail.com>]

There is an empty line between the commit message and the
diff output. Add the graph columns as prefix of this line.

Signed-off-by: Bo Yang <struggleyb.nku@gmail.com>
---
 log-tree.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/log-tree.c b/log-tree.c
index d3ae969..2e2be7c 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -469,6 +469,12 @@ int log_tree_diff_flush(struct rev_info *opt)
 			int pch = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH;
 			if ((pch & opt->diffopt.output_format) == pch)
 				printf("---");
+			if (opt->diffopt.output_prefix) {
+				struct strbuf *msg = NULL;
+				msg = opt->diffopt.output_prefix(&opt->diffopt,
+					opt->diffopt.output_prefix_data);
+				fwrite(msg->buf, msg->len, 1, stdout);
+			}
 			putchar('\n');
 		}
 	}
-- 
1.6.0.4