The visible backup files create problems with file managers, e. g. they show up in MATE, and I have to reload the folder to make them disappear. The following patch creates invisible files:
--- sed/execute.c 2020-01-01 20:38:19.000000000 +0100
+++ sed/execute.c 2020-03-26 12:17:30.209662815 +0100
@@ -614,7 +614,7 @@
}
}
- output_file.fp = ck_mkstemp (&input->out_file_name, tmpdir, "sed",
+ output_file.fp = ck_mkstemp (&input->out_file_name, tmpdir, ".sed",
write_mode);
register_cleanup_file (input->out_file_name);
output_file.missing_newline = false;
This works because ck_mkstemp tests for strlen.
Incidentally, you have to use the command
BUILDDIR=/tmp/makepkg makepkg
if the builddir has an ACL on it (one of the tests checks for that), to build sed, or the build will fail.
I already mailed gnu.org about this.