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-rw-r--r--commit.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/commit.c b/commit.c
index 9fa03ef03..60047a06d 100644
--- a/commit.c
+++ b/commit.c
@@ -222,10 +222,29 @@ static int is_empty_line(const char *line, int len)
return !len;
}
+static int add_parent_info(enum cmit_fmt fmt, char *buf, const char *line, int parents)
+{
+ int offset = 0;
+ switch (parents) {
+ case 1:
+ break;
+ case 2:
+ /* Go back to the previous line: 40 characters of previous parent, and one '\n' */
+ offset = sprintf(buf, "Merge: %.40s\n", line-41);
+ /* Fallthrough */
+ default:
+ /* Replace the previous '\n' with a space */
+ buf[offset-1] = ' ';
+ offset += sprintf(buf + offset, "%.40s\n", line+7);
+ }
+ return offset;
+}
+
unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned long len, char *buf, unsigned long space)
{
int hdr = 1, body = 0;
unsigned long offset = 0;
+ int parents = 0;
for (;;) {
const char *line = msg;
@@ -257,6 +276,11 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned l
offset += linelen;
continue;
}
+ if (!memcmp(line, "parent ", 7)) {
+ if (linelen != 48)
+ die("bad parent line in commit");
+ offset += add_parent_info(fmt, buf + offset, line, ++parents);
+ }
if (!memcmp(line, "author ", 7))
offset += add_author_info(fmt, buf + offset, line, linelen);
continue;