trailer: forbid leading whitespace in trailers
Currently, interpret-trailers allows leading whitespace in trailer
lines. This leads to false positives, especially for quoted lines or
bullet lists.
Forbid leading whitespace in trailers.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/git-interpret-trailers.txt b/Documentation/git-interpret-trailers.txt
index cf4c5ea..4966b5b 100644
--- a/Documentation/git-interpret-trailers.txt
+++ b/Documentation/git-interpret-trailers.txt
@@ -55,7 +55,7 @@
non-whitespace lines before a line that starts with '---'. Such three
minus signs start the patch part of the message.
-When reading trailers, there can be whitespaces before and after the
+When reading trailers, there can be whitespaces after the
token, the separator and the value. There can also be whitespaces
inside the token and the value.
diff --git a/t/t7513-interpret-trailers.sh b/t/t7513-interpret-trailers.sh
index 003e90f..3d94b3a 100755
--- a/t/t7513-interpret-trailers.sh
+++ b/t/t7513-interpret-trailers.sh
@@ -241,6 +241,21 @@
test_cmp expected actual
'
+test_expect_success 'line with leading whitespace is not trailer' '
+ q_to_tab >patch <<-\EOF &&
+
+ Qtoken: value
+ EOF
+ q_to_tab >expected <<-\EOF &&
+
+ Qtoken: value
+
+ token: value
+ EOF
+ git interpret-trailers --trailer "token: value" patch >actual &&
+ test_cmp expected actual
+'
+
test_expect_success 'with config setup' '
git config trailer.ack.key "Acked-by: " &&
cat >expected <<-\EOF &&
diff --git a/trailer.c b/trailer.c
index 4c5b931..84105ac 100644
--- a/trailer.c
+++ b/trailer.c
@@ -775,7 +775,7 @@ static int find_trailer_start(struct strbuf **lines, int count)
}
separator_pos = find_separator(lines[start]->buf);
- if (separator_pos >= 1) {
+ if (separator_pos >= 1 && !isspace(lines[start]->buf[0])) {
struct list_head *pos;
trailer_lines++;
