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Diffstat (limited to 'builtin-commit.c')
-rw-r--r--builtin-commit.c43
1 files changed, 42 insertions, 1 deletions
diff --git a/builtin-commit.c b/builtin-commit.c
index 200ffdaad4..c395cbf14f 100644
--- a/builtin-commit.c
+++ b/builtin-commit.c
@@ -414,6 +414,47 @@ static void determine_author_info(void)
author_date = date;
}
+static int ends_rfc2822_footer(struct strbuf *sb)
+{
+ int ch;
+ int hit = 0;
+ int i, j, k;
+ int len = sb->len;
+ int first = 1;
+ const char *buf = sb->buf;
+
+ for (i = len - 1; i > 0; i--) {
+ if (hit && buf[i] == '\n')
+ break;
+ hit = (buf[i] == '\n');
+ }
+
+ while (i < len - 1 && buf[i] == '\n')
+ i++;
+
+ for (; i < len; i = k) {
+ for (k = i; k < len && buf[k] != '\n'; k++)
+ ; /* do nothing */
+ k++;
+
+ if ((buf[k] == ' ' || buf[k] == '\t') && !first)
+ continue;
+
+ first = 0;
+
+ for (j = 0; i + j < len; j++) {
+ ch = buf[i + j];
+ if (ch == ':')
+ break;
+ if (isalnum(ch) ||
+ (ch == '-'))
+ continue;
+ return 0;
+ }
+ }
+ return 1;
+}
+
static int prepare_to_commit(const char *index_file, const char *prefix,
struct wt_status *s)
{
@@ -489,7 +530,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
for (i = sb.len - 1; i > 0 && sb.buf[i - 1] != '\n'; i--)
; /* do nothing */
if (prefixcmp(sb.buf + i, sob.buf)) {
- if (prefixcmp(sb.buf + i, sign_off_header))
+ if (!ends_rfc2822_footer(&sb))
strbuf_addch(&sb, '\n');
strbuf_addbuf(&sb, &sob);
}