Like f0bca72dc77 (send-pack: use buffered I/O to talk to pack-objects,
2016-06-08), significantly reduce the number of system calls and
simplify the code for sending object IDs to pack-objects by using
stdio's buffering.
Helped-by: Chris Torek <chris.torek@xxxxxxxxx>
Helped-by: Johannes Sixt <j6t@xxxxxxxx>
Encouraged-by: Derrick Stolee <stolee@xxxxxxxxx>
Signed-off-by: René Scharfe <l.s.r@xxxxxx>
---
Change since v1:
- Removed error handling to match the original code.
midx.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/midx.c b/midx.c
index a5fb797edee..0f95c3d8526 100644
--- a/midx.c
+++ b/midx.c
@@ -1383,6 +1383,7 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size,
uint32_t i;
unsigned char *include_pack;
struct child_process cmd = CHILD_PROCESS_INIT;
+ FILE *cmd_in;
struct strbuf base_name = STRBUF_INIT;
struct multi_pack_index *m = load_multi_pack_index(object_dir, 1);
@@ -1435,6 +1436,8 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size,
goto cleanup;
}
+ cmd_in = xfdopen(cmd.in, "w");
+
for (i = 0; i < m->num_objects; i++) {
struct object_id oid;
uint32_t pack_int_id = nth_midxed_pack_int_id(m, i);
@@ -1443,10 +1446,9 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size,
continue;
nth_midxed_object_oid(&oid, m, i);
- xwrite(cmd.in, oid_to_hex(&oid), the_hash_algo->hexsz);
- xwrite(cmd.in, "\n", 1);
+ fprintf(cmd_in, "%s\n", oid_to_hex(&oid));
}
- close(cmd.in);
+ fclose(cmd_in);
if (finish_command(&cmd)) {
error(_("could not finish pack-objects"));
--
2.28.0
