4 #include "git-compat-util.h"
11 #include "sha1-lookup.h"
12 #include "commit-graph.h"
13 #include "object-store.h"
15 #define GRAPH_SIGNATURE 0x43475048 /* "CGPH" */
16 #define GRAPH_CHUNKID_OIDFANOUT 0x4f494446 /* "OIDF" */
17 #define GRAPH_CHUNKID_OIDLOOKUP 0x4f49444c /* "OIDL" */
18 #define GRAPH_CHUNKID_DATA 0x43444154 /* "CDAT" */
19 #define GRAPH_CHUNKID_LARGEEDGES 0x45444745 /* "EDGE" */
21 #define GRAPH_DATA_WIDTH 36
23 #define GRAPH_VERSION_1 0x1
24 #define GRAPH_VERSION GRAPH_VERSION_1
26 #define GRAPH_OID_VERSION_SHA1 1
27 #define GRAPH_OID_LEN_SHA1 GIT_SHA1_RAWSZ
28 #define GRAPH_OID_VERSION GRAPH_OID_VERSION_SHA1
29 #define GRAPH_OID_LEN GRAPH_OID_LEN_SHA1
31 #define GRAPH_OCTOPUS_EDGES_NEEDED 0x80000000
32 #define GRAPH_PARENT_MISSING 0x7fffffff
33 #define GRAPH_EDGE_LAST_MASK 0x7fffffff
34 #define GRAPH_PARENT_NONE 0x70000000
36 #define GRAPH_LAST_EDGE 0x80000000
38 #define GRAPH_HEADER_SIZE 8
39 #define GRAPH_FANOUT_SIZE (4 * 256)
40 #define GRAPH_CHUNKLOOKUP_WIDTH 12
41 #define GRAPH_MIN_SIZE (GRAPH_HEADER_SIZE + 4 * GRAPH_CHUNKLOOKUP_WIDTH \
42 + GRAPH_FANOUT_SIZE + GRAPH_OID_LEN)
44 char *get_commit_graph_filename(const char *obj_dir
)
46 return xstrfmt("%s/info/commit-graph", obj_dir
);
49 static struct commit_graph
*alloc_commit_graph(void)
51 struct commit_graph
*g
= xcalloc(1, sizeof(*g
));
57 struct commit_graph
*load_commit_graph_one(const char *graph_file
)
60 const unsigned char *data
, *chunk_lookup
;
64 struct commit_graph
*graph
;
65 int fd
= git_open(graph_file
);
66 uint64_t last_chunk_offset
;
67 uint32_t last_chunk_id
;
68 uint32_t graph_signature
;
69 unsigned char graph_version
, hash_version
;
77 graph_size
= xsize_t(st
.st_size
);
79 if (graph_size
< GRAPH_MIN_SIZE
) {
81 die("graph file %s is too small", graph_file
);
83 graph_map
= xmmap(NULL
, graph_size
, PROT_READ
, MAP_PRIVATE
, fd
, 0);
84 data
= (const unsigned char *)graph_map
;
86 graph_signature
= get_be32(data
);
87 if (graph_signature
!= GRAPH_SIGNATURE
) {
88 error("graph signature %X does not match signature %X",
89 graph_signature
, GRAPH_SIGNATURE
);
93 graph_version
= *(unsigned char*)(data
+ 4);
94 if (graph_version
!= GRAPH_VERSION
) {
95 error("graph version %X does not match version %X",
96 graph_version
, GRAPH_VERSION
);
100 hash_version
= *(unsigned char*)(data
+ 5);
101 if (hash_version
!= GRAPH_OID_VERSION
) {
102 error("hash version %X does not match version %X",
103 hash_version
, GRAPH_OID_VERSION
);
107 graph
= alloc_commit_graph();
109 graph
->hash_len
= GRAPH_OID_LEN
;
110 graph
->num_chunks
= *(unsigned char*)(data
+ 6);
111 graph
->graph_fd
= fd
;
112 graph
->data
= graph_map
;
113 graph
->data_len
= graph_size
;
116 last_chunk_offset
= 8;
117 chunk_lookup
= data
+ 8;
118 for (i
= 0; i
< graph
->num_chunks
; i
++) {
119 uint32_t chunk_id
= get_be32(chunk_lookup
+ 0);
120 uint64_t chunk_offset
= get_be64(chunk_lookup
+ 4);
121 int chunk_repeated
= 0;
123 chunk_lookup
+= GRAPH_CHUNKLOOKUP_WIDTH
;
125 if (chunk_offset
> graph_size
- GIT_MAX_RAWSZ
) {
126 error("improper chunk offset %08x%08x", (uint32_t)(chunk_offset
>> 32),
127 (uint32_t)chunk_offset
);
132 case GRAPH_CHUNKID_OIDFANOUT
:
133 if (graph
->chunk_oid_fanout
)
136 graph
->chunk_oid_fanout
= (uint32_t*)(data
+ chunk_offset
);
139 case GRAPH_CHUNKID_OIDLOOKUP
:
140 if (graph
->chunk_oid_lookup
)
143 graph
->chunk_oid_lookup
= data
+ chunk_offset
;
146 case GRAPH_CHUNKID_DATA
:
147 if (graph
->chunk_commit_data
)
150 graph
->chunk_commit_data
= data
+ chunk_offset
;
153 case GRAPH_CHUNKID_LARGEEDGES
:
154 if (graph
->chunk_large_edges
)
157 graph
->chunk_large_edges
= data
+ chunk_offset
;
161 if (chunk_repeated
) {
162 error("chunk id %08x appears multiple times", chunk_id
);
166 if (last_chunk_id
== GRAPH_CHUNKID_OIDLOOKUP
)
168 graph
->num_commits
= (chunk_offset
- last_chunk_offset
)
172 last_chunk_id
= chunk_id
;
173 last_chunk_offset
= chunk_offset
;
179 munmap(graph_map
, graph_size
);
185 static struct commit_graph
*commit_graph
= NULL
;
187 static void prepare_commit_graph_one(const char *obj_dir
)
194 graph_name
= get_commit_graph_filename(obj_dir
);
195 commit_graph
= load_commit_graph_one(graph_name
);
197 FREE_AND_NULL(graph_name
);
200 static int prepare_commit_graph_run_once
= 0;
201 static void prepare_commit_graph(void)
203 struct alternate_object_database
*alt
;
206 if (prepare_commit_graph_run_once
)
208 prepare_commit_graph_run_once
= 1;
210 obj_dir
= get_object_directory();
211 prepare_commit_graph_one(obj_dir
);
212 prepare_alt_odb(the_repository
);
213 for (alt
= the_repository
->objects
->alt_odb_list
;
214 !commit_graph
&& alt
;
216 prepare_commit_graph_one(alt
->path
);
219 static void close_commit_graph(void)
224 if (commit_graph
->graph_fd
>= 0) {
225 munmap((void *)commit_graph
->data
, commit_graph
->data_len
);
226 commit_graph
->data
= NULL
;
227 close(commit_graph
->graph_fd
);
230 FREE_AND_NULL(commit_graph
);
233 static int bsearch_graph(struct commit_graph
*g
, struct object_id
*oid
, uint32_t *pos
)
235 return bsearch_hash(oid
->hash
, g
->chunk_oid_fanout
,
236 g
->chunk_oid_lookup
, g
->hash_len
, pos
);
239 static struct commit_list
**insert_parent_or_die(struct commit_graph
*g
,
241 struct commit_list
**pptr
)
244 struct object_id oid
;
245 hashcpy(oid
.hash
, g
->chunk_oid_lookup
+ g
->hash_len
* pos
);
246 c
= lookup_commit(&oid
);
248 die("could not find commit %s", oid_to_hex(&oid
));
250 return &commit_list_insert(c
, pptr
)->next
;
253 static void fill_commit_graph_info(struct commit
*item
, struct commit_graph
*g
, uint32_t pos
)
255 const unsigned char *commit_data
= g
->chunk_commit_data
+ GRAPH_DATA_WIDTH
* pos
;
256 item
->graph_pos
= pos
;
257 item
->generation
= get_be32(commit_data
+ g
->hash_len
+ 8) >> 2;
260 static int fill_commit_in_graph(struct commit
*item
, struct commit_graph
*g
, uint32_t pos
)
263 uint32_t *parent_data_ptr
;
264 uint64_t date_low
, date_high
;
265 struct commit_list
**pptr
;
266 const unsigned char *commit_data
= g
->chunk_commit_data
+ (g
->hash_len
+ 16) * pos
;
268 item
->object
.parsed
= 1;
269 item
->graph_pos
= pos
;
271 item
->maybe_tree
= NULL
;
273 date_high
= get_be32(commit_data
+ g
->hash_len
+ 8) & 0x3;
274 date_low
= get_be32(commit_data
+ g
->hash_len
+ 12);
275 item
->date
= (timestamp_t
)((date_high
<< 32) | date_low
);
277 item
->generation
= get_be32(commit_data
+ g
->hash_len
+ 8) >> 2;
279 pptr
= &item
->parents
;
281 edge_value
= get_be32(commit_data
+ g
->hash_len
);
282 if (edge_value
== GRAPH_PARENT_NONE
)
284 pptr
= insert_parent_or_die(g
, edge_value
, pptr
);
286 edge_value
= get_be32(commit_data
+ g
->hash_len
+ 4);
287 if (edge_value
== GRAPH_PARENT_NONE
)
289 if (!(edge_value
& GRAPH_OCTOPUS_EDGES_NEEDED
)) {
290 pptr
= insert_parent_or_die(g
, edge_value
, pptr
);
294 parent_data_ptr
= (uint32_t*)(g
->chunk_large_edges
+
295 4 * (uint64_t)(edge_value
& GRAPH_EDGE_LAST_MASK
));
297 edge_value
= get_be32(parent_data_ptr
);
298 pptr
= insert_parent_or_die(g
,
299 edge_value
& GRAPH_EDGE_LAST_MASK
,
302 } while (!(edge_value
& GRAPH_LAST_EDGE
));
307 static int find_commit_in_graph(struct commit
*item
, struct commit_graph
*g
, uint32_t *pos
)
309 if (item
->graph_pos
!= COMMIT_NOT_FROM_GRAPH
) {
310 *pos
= item
->graph_pos
;
313 return bsearch_graph(g
, &(item
->object
.oid
), pos
);
317 static int parse_commit_in_graph_one(struct commit_graph
*g
, struct commit
*item
)
321 if (!core_commit_graph
)
323 if (item
->object
.parsed
)
326 if (find_commit_in_graph(item
, g
, &pos
))
327 return fill_commit_in_graph(item
, g
, pos
);
332 int parse_commit_in_graph(struct commit
*item
)
334 if (!core_commit_graph
)
337 prepare_commit_graph();
339 return parse_commit_in_graph_one(commit_graph
, item
);
343 void load_commit_graph_info(struct commit
*item
)
346 if (!core_commit_graph
)
348 prepare_commit_graph();
349 if (commit_graph
&& find_commit_in_graph(item
, commit_graph
, &pos
))
350 fill_commit_graph_info(item
, commit_graph
, pos
);
353 static struct tree
*load_tree_for_commit(struct commit_graph
*g
, struct commit
*c
)
355 struct object_id oid
;
356 const unsigned char *commit_data
= g
->chunk_commit_data
+
357 GRAPH_DATA_WIDTH
* (c
->graph_pos
);
359 hashcpy(oid
.hash
, commit_data
);
360 c
->maybe_tree
= lookup_tree(&oid
);
362 return c
->maybe_tree
;
365 struct tree
*get_commit_tree_in_graph(const struct commit
*c
)
368 return c
->maybe_tree
;
369 if (c
->graph_pos
== COMMIT_NOT_FROM_GRAPH
)
370 BUG("get_commit_tree_in_graph called from non-commit-graph commit");
372 return load_tree_for_commit(commit_graph
, (struct commit
*)c
);
375 static void write_graph_chunk_fanout(struct hashfile
*f
,
376 struct commit
**commits
,
380 struct commit
**list
= commits
;
383 * Write the first-level table (the list is sorted,
384 * but we use a 256-entry lookup to be able to avoid
385 * having to do eight extra binary search iterations).
387 for (i
= 0; i
< 256; i
++) {
388 while (count
< nr_commits
) {
389 if ((*list
)->object
.oid
.hash
[0] != i
)
395 hashwrite_be32(f
, count
);
399 static void write_graph_chunk_oids(struct hashfile
*f
, int hash_len
,
400 struct commit
**commits
, int nr_commits
)
402 struct commit
**list
= commits
;
404 for (count
= 0; count
< nr_commits
; count
++, list
++)
405 hashwrite(f
, (*list
)->object
.oid
.hash
, (int)hash_len
);
408 static const unsigned char *commit_to_sha1(size_t index
, void *table
)
410 struct commit
**commits
= table
;
411 return commits
[index
]->object
.oid
.hash
;
414 static void write_graph_chunk_data(struct hashfile
*f
, int hash_len
,
415 struct commit
**commits
, int nr_commits
)
417 struct commit
**list
= commits
;
418 struct commit
**last
= commits
+ nr_commits
;
419 uint32_t num_extra_edges
= 0;
421 while (list
< last
) {
422 struct commit_list
*parent
;
424 uint32_t packedDate
[2];
427 hashwrite(f
, get_commit_tree_oid(*list
)->hash
, hash_len
);
429 parent
= (*list
)->parents
;
432 edge_value
= GRAPH_PARENT_NONE
;
434 edge_value
= sha1_pos(parent
->item
->object
.oid
.hash
,
440 edge_value
= GRAPH_PARENT_MISSING
;
443 hashwrite_be32(f
, edge_value
);
446 parent
= parent
->next
;
449 edge_value
= GRAPH_PARENT_NONE
;
450 else if (parent
->next
)
451 edge_value
= GRAPH_OCTOPUS_EDGES_NEEDED
| num_extra_edges
;
453 edge_value
= sha1_pos(parent
->item
->object
.oid
.hash
,
458 edge_value
= GRAPH_PARENT_MISSING
;
461 hashwrite_be32(f
, edge_value
);
463 if (edge_value
& GRAPH_OCTOPUS_EDGES_NEEDED
) {
466 parent
= parent
->next
;
470 if (sizeof((*list
)->date
) > 4)
471 packedDate
[0] = htonl(((*list
)->date
>> 32) & 0x3);
475 packedDate
[0] |= htonl((*list
)->generation
<< 2);
477 packedDate
[1] = htonl((*list
)->date
);
478 hashwrite(f
, packedDate
, 8);
484 static void write_graph_chunk_large_edges(struct hashfile
*f
,
485 struct commit
**commits
,
488 struct commit
**list
= commits
;
489 struct commit
**last
= commits
+ nr_commits
;
490 struct commit_list
*parent
;
492 while (list
< last
) {
494 for (parent
= (*list
)->parents
; num_parents
< 3 && parent
;
495 parent
= parent
->next
)
498 if (num_parents
<= 2) {
503 /* Since num_parents > 2, this initializer is safe. */
504 for (parent
= (*list
)->parents
->next
; parent
; parent
= parent
->next
) {
505 int edge_value
= sha1_pos(parent
->item
->object
.oid
.hash
,
511 edge_value
= GRAPH_PARENT_MISSING
;
512 else if (!parent
->next
)
513 edge_value
|= GRAPH_LAST_EDGE
;
515 hashwrite_be32(f
, edge_value
);
522 static int commit_compare(const void *_a
, const void *_b
)
524 const struct object_id
*a
= (const struct object_id
*)_a
;
525 const struct object_id
*b
= (const struct object_id
*)_b
;
529 struct packed_commit_list
{
530 struct commit
**list
;
535 struct packed_oid_list
{
536 struct object_id
*list
;
541 static int add_packed_commits(const struct object_id
*oid
,
542 struct packed_git
*pack
,
546 struct packed_oid_list
*list
= (struct packed_oid_list
*)data
;
547 enum object_type type
;
548 off_t offset
= nth_packed_object_offset(pack
, pos
);
549 struct object_info oi
= OBJECT_INFO_INIT
;
552 if (packed_object_info(the_repository
, pack
, offset
, &oi
) < 0)
553 die("unable to get type of object %s", oid_to_hex(oid
));
555 if (type
!= OBJ_COMMIT
)
558 ALLOC_GROW(list
->list
, list
->nr
+ 1, list
->alloc
);
559 oidcpy(&(list
->list
[list
->nr
]), oid
);
565 static void add_missing_parents(struct packed_oid_list
*oids
, struct commit
*commit
)
567 struct commit_list
*parent
;
568 for (parent
= commit
->parents
; parent
; parent
= parent
->next
) {
569 if (!(parent
->item
->object
.flags
& UNINTERESTING
)) {
570 ALLOC_GROW(oids
->list
, oids
->nr
+ 1, oids
->alloc
);
571 oidcpy(&oids
->list
[oids
->nr
], &(parent
->item
->object
.oid
));
573 parent
->item
->object
.flags
|= UNINTERESTING
;
578 static void close_reachable(struct packed_oid_list
*oids
)
581 struct commit
*commit
;
583 for (i
= 0; i
< oids
->nr
; i
++) {
584 commit
= lookup_commit(&oids
->list
[i
]);
586 commit
->object
.flags
|= UNINTERESTING
;
590 * As this loop runs, oids->nr may grow, but not more
591 * than the number of missing commits in the reachable
594 for (i
= 0; i
< oids
->nr
; i
++) {
595 commit
= lookup_commit(&oids
->list
[i
]);
597 if (commit
&& !parse_commit(commit
))
598 add_missing_parents(oids
, commit
);
601 for (i
= 0; i
< oids
->nr
; i
++) {
602 commit
= lookup_commit(&oids
->list
[i
]);
605 commit
->object
.flags
&= ~UNINTERESTING
;
609 static void compute_generation_numbers(struct packed_commit_list
* commits
)
612 struct commit_list
*list
= NULL
;
614 for (i
= 0; i
< commits
->nr
; i
++) {
615 if (commits
->list
[i
]->generation
!= GENERATION_NUMBER_INFINITY
&&
616 commits
->list
[i
]->generation
!= GENERATION_NUMBER_ZERO
)
619 commit_list_insert(commits
->list
[i
], &list
);
621 struct commit
*current
= list
->item
;
622 struct commit_list
*parent
;
623 int all_parents_computed
= 1;
624 uint32_t max_generation
= 0;
626 for (parent
= current
->parents
; parent
; parent
= parent
->next
) {
627 if (parent
->item
->generation
== GENERATION_NUMBER_INFINITY
||
628 parent
->item
->generation
== GENERATION_NUMBER_ZERO
) {
629 all_parents_computed
= 0;
630 commit_list_insert(parent
->item
, &list
);
632 } else if (parent
->item
->generation
> max_generation
) {
633 max_generation
= parent
->item
->generation
;
637 if (all_parents_computed
) {
638 current
->generation
= max_generation
+ 1;
641 if (current
->generation
> GENERATION_NUMBER_MAX
)
642 current
->generation
= GENERATION_NUMBER_MAX
;
648 void write_commit_graph(const char *obj_dir
,
649 const char **pack_indexes
,
651 const char **commit_hex
,
655 struct packed_oid_list oids
;
656 struct packed_commit_list commits
;
658 uint32_t i
, count_distinct
= 0;
660 struct lock_file lk
= LOCK_INIT
;
661 uint32_t chunk_ids
[5];
662 uint64_t chunk_offsets
[5];
665 struct commit_list
*parent
;
668 oids
.alloc
= approximate_object_count() / 4;
671 prepare_commit_graph_one(obj_dir
);
673 oids
.alloc
+= commit_graph
->num_commits
;
676 if (oids
.alloc
< 1024)
678 ALLOC_ARRAY(oids
.list
, oids
.alloc
);
680 if (append
&& commit_graph
) {
681 for (i
= 0; i
< commit_graph
->num_commits
; i
++) {
682 const unsigned char *hash
= commit_graph
->chunk_oid_lookup
+
683 commit_graph
->hash_len
* i
;
684 hashcpy(oids
.list
[oids
.nr
++].hash
, hash
);
689 struct strbuf packname
= STRBUF_INIT
;
691 strbuf_addf(&packname
, "%s/pack/", obj_dir
);
692 dirlen
= packname
.len
;
693 for (i
= 0; i
< nr_packs
; i
++) {
694 struct packed_git
*p
;
695 strbuf_setlen(&packname
, dirlen
);
696 strbuf_addstr(&packname
, pack_indexes
[i
]);
697 p
= add_packed_git(packname
.buf
, packname
.len
, 1);
699 die("error adding pack %s", packname
.buf
);
700 if (open_pack_index(p
))
701 die("error opening index for %s", packname
.buf
);
702 for_each_object_in_pack(p
, add_packed_commits
, &oids
);
705 strbuf_release(&packname
);
709 for (i
= 0; i
< nr_commits
; i
++) {
711 struct object_id oid
;
712 struct commit
*result
;
714 if (commit_hex
[i
] && parse_oid_hex(commit_hex
[i
], &oid
, &end
))
717 result
= lookup_commit_reference_gently(&oid
, 1);
720 ALLOC_GROW(oids
.list
, oids
.nr
+ 1, oids
.alloc
);
721 oidcpy(&oids
.list
[oids
.nr
], &(result
->object
.oid
));
727 if (!pack_indexes
&& !commit_hex
)
728 for_each_packed_object(add_packed_commits
, &oids
, 0);
730 close_reachable(&oids
);
732 QSORT(oids
.list
, oids
.nr
, commit_compare
);
735 for (i
= 1; i
< oids
.nr
; i
++) {
736 if (oidcmp(&oids
.list
[i
-1], &oids
.list
[i
]))
740 if (count_distinct
>= GRAPH_PARENT_MISSING
)
741 die(_("the commit graph format cannot write %d commits"), count_distinct
);
744 commits
.alloc
= count_distinct
;
745 ALLOC_ARRAY(commits
.list
, commits
.alloc
);
748 for (i
= 0; i
< oids
.nr
; i
++) {
750 if (i
> 0 && !oidcmp(&oids
.list
[i
-1], &oids
.list
[i
]))
753 commits
.list
[commits
.nr
] = lookup_commit(&oids
.list
[i
]);
754 parse_commit(commits
.list
[commits
.nr
]);
756 for (parent
= commits
.list
[commits
.nr
]->parents
;
757 parent
; parent
= parent
->next
)
761 num_extra_edges
+= num_parents
- 1;
765 num_chunks
= num_extra_edges
? 4 : 3;
767 if (commits
.nr
>= GRAPH_PARENT_MISSING
)
768 die(_("too many commits to write graph"));
770 compute_generation_numbers(&commits
);
772 graph_name
= get_commit_graph_filename(obj_dir
);
773 if (safe_create_leading_directories(graph_name
))
774 die_errno(_("unable to create leading directories of %s"),
777 hold_lock_file_for_update(&lk
, graph_name
, LOCK_DIE_ON_ERROR
);
778 f
= hashfd(lk
.tempfile
->fd
, lk
.tempfile
->filename
.buf
);
780 hashwrite_be32(f
, GRAPH_SIGNATURE
);
782 hashwrite_u8(f
, GRAPH_VERSION
);
783 hashwrite_u8(f
, GRAPH_OID_VERSION
);
784 hashwrite_u8(f
, num_chunks
);
785 hashwrite_u8(f
, 0); /* unused padding byte */
787 chunk_ids
[0] = GRAPH_CHUNKID_OIDFANOUT
;
788 chunk_ids
[1] = GRAPH_CHUNKID_OIDLOOKUP
;
789 chunk_ids
[2] = GRAPH_CHUNKID_DATA
;
791 chunk_ids
[3] = GRAPH_CHUNKID_LARGEEDGES
;
796 chunk_offsets
[0] = 8 + (num_chunks
+ 1) * GRAPH_CHUNKLOOKUP_WIDTH
;
797 chunk_offsets
[1] = chunk_offsets
[0] + GRAPH_FANOUT_SIZE
;
798 chunk_offsets
[2] = chunk_offsets
[1] + GRAPH_OID_LEN
* commits
.nr
;
799 chunk_offsets
[3] = chunk_offsets
[2] + (GRAPH_OID_LEN
+ 16) * commits
.nr
;
800 chunk_offsets
[4] = chunk_offsets
[3] + 4 * num_extra_edges
;
802 for (i
= 0; i
<= num_chunks
; i
++) {
803 uint32_t chunk_write
[3];
805 chunk_write
[0] = htonl(chunk_ids
[i
]);
806 chunk_write
[1] = htonl(chunk_offsets
[i
] >> 32);
807 chunk_write
[2] = htonl(chunk_offsets
[i
] & 0xffffffff);
808 hashwrite(f
, chunk_write
, 12);
811 write_graph_chunk_fanout(f
, commits
.list
, commits
.nr
);
812 write_graph_chunk_oids(f
, GRAPH_OID_LEN
, commits
.list
, commits
.nr
);
813 write_graph_chunk_data(f
, GRAPH_OID_LEN
, commits
.list
, commits
.nr
);
814 write_graph_chunk_large_edges(f
, commits
.list
, commits
.nr
);
816 close_commit_graph();
817 finalize_hashfile(f
, NULL
, CSUM_HASH_IN_STREAM
| CSUM_FSYNC
);
818 commit_lock_file(&lk
);