commit 4f152e84c01e22799218a449a85a105ff94fdf9d
from: Omar Polo <op@omarpolo.com>
date: Fri Feb 10 21:49:27 2023 UTC

gotwebd: abort blame if the client disconnect midway thru

Without setting err when the callback fails we continue the blame
machinery.

commit - faf054c3d5fbad3a55534ebe525d58156c7aad27
commit + 4f152e84c01e22799218a449a85a105ff94fdf9d
blob - a2a6ba3a8938088f3b8c6306af7ae41ce8bf181d
blob + 5213b41bf3ead6134a9406eeefc91ebc07fbb000
--- gotwebd/got_operations.c
+++ gotwebd/got_operations.c
@@ -981,8 +981,10 @@ got_gotweb_blame_cb(void *arg, int nlines, int lineno,
 		}
 
 		if (a->cb(c->tp, line, bline, a->nlines_prec,
-		    a->lineno_cur) == -1)
+		    a->lineno_cur) == -1) {
+			err = got_error(GOT_ERR_CANCELLED);
 			break;
+		}
 
 		a->lineno_cur++;
 		bline = &a->lines[a->lineno_cur - 1];