have index-pack create .keep file more carefully

If by chance we receive a pack which content (list of objects) matches
another pack that we already have, and if that pack is marked with a
.keep file, then we should not overwrite it.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Nicolas Pitre 2006-11-01 17:06:24 -05:00 committed by Junio C Hamano
parent da093d3750
commit 9ca4a201ea

View File

@ -788,14 +788,17 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
get_object_directory(), sha1_to_hex(sha1));
keep_name = name;
}
keep_fd = open(keep_name, O_RDWR | O_CREAT, 0600);
if (keep_fd < 0)
die("cannot write keep file");
if (keep_msg_len > 0) {
write_or_die(keep_fd, keep_msg, keep_msg_len);
write_or_die(keep_fd, "\n", 1);
keep_fd = open(keep_name, O_RDWR|O_CREAT|O_EXCL, 0600);
if (keep_fd < 0) {
if (errno != EEXIST)
die("cannot write keep file");
} else {
if (keep_msg_len > 0) {
write_or_die(keep_fd, keep_msg, keep_msg_len);
write_or_die(keep_fd, "\n", 1);
}
close(keep_fd);
}
close(keep_fd);
}
if (final_pack_name != curr_pack_name) {