[PATCH v2] log-tree: use custom line terminator in line termination mode

[Jan Krüger <jk@xxxxx>]

When using a custom format in line termination mode (as opposed to line
separation mode), the configured line terminator is not used, so things
like "git log --pretty=tformat:%H -z" do not work properly.

Make it use the line terminator the user ordered.

Signed-off-by: Jan Krüger <jk@xxxxx>
---
 Here are two simple tests, for both format: and tformat: with -z.

 log-tree.c                    |    2 +-
 t/t4205-log-pretty-formats.sh |   12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/log-tree.c b/log-tree.c
index 34c49e7..44f0268 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -682,7 +682,7 @@ void show_log(struct rev_info *opt)
 	if (opt->use_terminator) {
 		if (!opt->missing_newline)
 			graph_show_padding(opt->graph);
-		putchar('\n');
+		putchar(opt->diffopt.line_termination);
 	}
 
 	strbuf_release(&msgbuf);
diff --git a/t/t4205-log-pretty-formats.sh b/t/t4205-log-pretty-formats.sh
index 2ae9faa..03a73ba 100755
--- a/t/t4205-log-pretty-formats.sh
+++ b/t/t4205-log-pretty-formats.sh
@@ -71,4 +71,16 @@ test_expect_success 'alias loop' '
 	test_must_fail git log --pretty=test-foo
 '
 
+printf "add bar\0initial" > expected
+test_expect_success 'NUL separation' '
+	git log -z --pretty="format:%s" >actual &&
+	test_cmp expected actual
+'
+
+printf "add bar\0initial\0" > expected
+test_expect_success 'NUL termination' '
+	git log -z --pretty="tformat:%s" >actual &&
+	test_cmp expected actual
+'
+
 test_done
-- 
1.7.10.406.g0017

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