When git show -s is called for merge commit it prints extra newline
after any merge commit and the next one. This looks especially ugly for
--oneline and other single-line formats. Looks very much like a bug.
The code in question exists since commit 3969cf7db1. Probably the
correct condition should be in fact
"opt->output_format & DIFF_FORMAT_DIFFSTAT".
Test t7007-show.sh is also modified to cover this case.
---
combine-diff.c | 3 ++-
t/t7007-show.sh | 8 ++++++--
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/combine-diff.c b/combine-diff.c
index 3b92c448..ff6ceaf 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -1331,7 +1331,8 @@ void diff_tree_combined(const unsigned char *sha1,
if (show_log_first && i == 0) {
show_log(rev);
- if (rev->verbose_header && opt->output_format)
+ if (rev->verbose_header && opt->output_format &&
+ opt->output_format != DIFF_FORMAT_NO_OUTPUT)
printf("%s%c", diff_line_prefix(opt),
opt->line_termination);
}
diff --git a/t/t7007-show.sh b/t/t7007-show.sh
index e41fa00..de22812 100755
--- a/t/t7007-show.sh
+++ b/t/t7007-show.sh
@@ -25,6 +25,7 @@ test_expect_success 'set up a bit of history' '
git checkout -b side HEAD^^ &&
test_commit side2 &&
test_commit side3
+ test_merge merge main3
'
test_expect_success 'showing two commits' '
@@ -109,8 +110,11 @@ test_expect_success 'showing range' '
'
test_expect_success '-s suppresses diff' '
- echo main3 >expect &&
- git show -s --format=%s main3 >actual &&
+ cat >expect <<-\EOF &&
+ merge
+ main3
+ EOF
+ git show -s --format=%s merge main3 >actual &&
test_cmp expect actual
'
--
1.8.5.2.421.g4cdf8d0
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