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@xxxxxxx>
---
index-pack.c | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/index-pack.c b/index-pack.c
index a3b55f9..8d64a88 100644
--- a/index-pack.c
+++ b/index-pack.c
@@ -788,14 +788,17 @@ static void final(const char *final_pack
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) {
--
1.4.3.3.g87b2-dirty
-
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