Fix segfault in patch view for root commit
The code for patch view assumed the current commit would always have a parent,
which made cgit segfault when that wasn't the case.
This fixes the bug and adds a test-script for patch view which includes a test
for the inital commit.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
diff --git a/ui-patch.c b/ui-patch.c
index e7a010a..7ee2c41 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -88,7 +88,11 @@
return;
}
info = cgit_parse_commit(commit);
- hashcpy(old_sha1, commit->parents->item->object.sha1);
+
+ if (commit->parents && commit->parents->item)
+ hashcpy(old_sha1, commit->parents->item->object.sha1);
+ else
+ hashclr(old_sha1);
patchname = fmt("%s.patch", sha1_to_hex(sha1));
cgit_print_snapshot_start("text/plain", patchname, item);