5 #include "parse-options.h"
6 #include "run-command.h"
9 #include "string-list.h"
13 #include "prune-packed.h"
14 #include "object-store.h"
15 #include "promisor-remote.h"
18 #include "pack-bitmap.h"
21 static int delta_base_offset
= 1;
22 static int pack_kept_objects
= -1;
23 static int write_bitmaps
= -1;
24 static int use_delta_islands
;
25 static char *packdir
, *packtmp_name
, *packtmp
;
27 static const char *const git_repack_usage
[] = {
28 N_("git repack [<options>]"),
32 static const char incremental_bitmap_conflict_error
[] = N_(
33 "Incremental repacks are incompatible with bitmap indexes. Use\n"
34 "--no-write-bitmap-index or disable the pack.writebitmaps configuration."
38 static int repack_config(const char *var
, const char *value
, void *cb
)
40 if (!strcmp(var
, "repack.usedeltabaseoffset")) {
41 delta_base_offset
= git_config_bool(var
, value
);
44 if (!strcmp(var
, "repack.packkeptobjects")) {
45 pack_kept_objects
= git_config_bool(var
, value
);
48 if (!strcmp(var
, "repack.writebitmaps") ||
49 !strcmp(var
, "pack.writebitmaps")) {
50 write_bitmaps
= git_config_bool(var
, value
);
53 if (!strcmp(var
, "repack.usedeltaislands")) {
54 use_delta_islands
= git_config_bool(var
, value
);
57 return git_default_config(var
, value
, cb
);
61 * Remove temporary $GIT_OBJECT_DIRECTORY/pack/.tmp-$$-pack-* files.
63 static void remove_temporary_files(void)
65 struct strbuf buf
= STRBUF_INIT
;
66 size_t dirlen
, prefixlen
;
70 dir
= opendir(packdir
);
74 /* Point at the slash at the end of ".../objects/pack/" */
75 dirlen
= strlen(packdir
) + 1;
76 strbuf_addstr(&buf
, packtmp
);
77 /* Hold the length of ".tmp-%d-pack-" */
78 prefixlen
= buf
.len
- dirlen
;
80 while ((e
= readdir(dir
))) {
81 if (strncmp(e
->d_name
, buf
.buf
+ dirlen
, prefixlen
))
83 strbuf_setlen(&buf
, dirlen
);
84 strbuf_addstr(&buf
, e
->d_name
);
91 static void remove_pack_on_signal(int signo
)
93 remove_temporary_files();
99 * Adds all packs hex strings to either fname_nonkept_list or
100 * fname_kept_list based on whether each pack has a corresponding
101 * .keep file or not. Packs without a .keep file are not to be kept
102 * if we are going to pack everything into one file.
104 static void collect_pack_filenames(struct string_list
*fname_nonkept_list
,
105 struct string_list
*fname_kept_list
,
106 const struct string_list
*extra_keep
)
112 if (!(dir
= opendir(packdir
)))
115 while ((e
= readdir(dir
)) != NULL
) {
119 if (!strip_suffix(e
->d_name
, ".pack", &len
))
122 for (i
= 0; i
< extra_keep
->nr
; i
++)
123 if (!fspathcmp(e
->d_name
, extra_keep
->items
[i
].string
))
126 fname
= xmemdupz(e
->d_name
, len
);
128 if ((extra_keep
->nr
> 0 && i
< extra_keep
->nr
) ||
129 (file_exists(mkpath("%s/%s.keep", packdir
, fname
))))
130 string_list_append_nodup(fname_kept_list
, fname
);
132 string_list_append_nodup(fname_nonkept_list
, fname
);
137 static void remove_redundant_pack(const char *dir_name
, const char *base_name
)
139 struct strbuf buf
= STRBUF_INIT
;
140 struct multi_pack_index
*m
= get_local_multi_pack_index(the_repository
);
141 strbuf_addf(&buf
, "%s.pack", base_name
);
142 if (m
&& midx_contains_pack(m
, buf
.buf
))
143 clear_midx_file(the_repository
);
144 strbuf_insertf(&buf
, 0, "%s/", dir_name
);
145 unlink_pack_path(buf
.buf
, 1);
146 strbuf_release(&buf
);
149 struct pack_objects_args
{
151 const char *window_memory
;
154 const char *max_pack_size
;
161 static void prepare_pack_objects(struct child_process
*cmd
,
162 const struct pack_objects_args
*args
)
164 strvec_push(&cmd
->args
, "pack-objects");
166 strvec_pushf(&cmd
->args
, "--window=%s", args
->window
);
167 if (args
->window_memory
)
168 strvec_pushf(&cmd
->args
, "--window-memory=%s", args
->window_memory
);
170 strvec_pushf(&cmd
->args
, "--depth=%s", args
->depth
);
172 strvec_pushf(&cmd
->args
, "--threads=%s", args
->threads
);
173 if (args
->max_pack_size
)
174 strvec_pushf(&cmd
->args
, "--max-pack-size=%s", args
->max_pack_size
);
175 if (args
->no_reuse_delta
)
176 strvec_pushf(&cmd
->args
, "--no-reuse-delta");
177 if (args
->no_reuse_object
)
178 strvec_pushf(&cmd
->args
, "--no-reuse-object");
180 strvec_push(&cmd
->args
, "--local");
182 strvec_push(&cmd
->args
, "--quiet");
183 if (delta_base_offset
)
184 strvec_push(&cmd
->args
, "--delta-base-offset");
185 strvec_push(&cmd
->args
, packtmp
);
191 * Write oid to the given struct child_process's stdin, starting it first if
194 static int write_oid(const struct object_id
*oid
, struct packed_git
*pack
,
195 uint32_t pos
, void *data
)
197 struct child_process
*cmd
= data
;
200 if (start_command(cmd
))
201 die(_("could not start pack-objects to repack promisor objects"));
204 xwrite(cmd
->in
, oid_to_hex(oid
), the_hash_algo
->hexsz
);
205 xwrite(cmd
->in
, "\n", 1);
220 static unsigned populate_pack_exts(char *name
)
223 struct strbuf path
= STRBUF_INIT
;
227 for (i
= 0; i
< ARRAY_SIZE(exts
); i
++) {
229 strbuf_addf(&path
, "%s-%s%s", packtmp
, name
, exts
[i
].name
);
231 if (stat(path
.buf
, &statbuf
))
237 strbuf_release(&path
);
241 static void repack_promisor_objects(const struct pack_objects_args
*args
,
242 struct string_list
*names
)
244 struct child_process cmd
= CHILD_PROCESS_INIT
;
246 struct strbuf line
= STRBUF_INIT
;
248 prepare_pack_objects(&cmd
, args
);
252 * NEEDSWORK: Giving pack-objects only the OIDs without any ordering
253 * hints may result in suboptimal deltas in the resulting pack. See if
254 * the OIDs can be sent with fake paths such that pack-objects can use a
255 * {type -> existing pack order} ordering when computing deltas instead
256 * of a {type -> size} ordering, which may produce better deltas.
258 for_each_packed_object(write_oid
, &cmd
,
259 FOR_EACH_OBJECT_PROMISOR_ONLY
);
262 /* No packed objects; cmd was never started */
267 out
= xfdopen(cmd
.out
, "r");
268 while (strbuf_getline_lf(&line
, out
) != EOF
) {
269 struct string_list_item
*item
;
272 if (line
.len
!= the_hash_algo
->hexsz
)
273 die(_("repack: Expecting full hex object ID lines only from pack-objects."));
274 item
= string_list_append(names
, line
.buf
);
277 * pack-objects creates the .pack and .idx files, but not the
278 * .promisor file. Create the .promisor file, which is empty.
280 * NEEDSWORK: fetch-pack sometimes generates non-empty
281 * .promisor files containing the ref names and associated
282 * hashes at the point of generation of the corresponding
283 * packfile, but this would not preserve their contents. Maybe
284 * concatenate the contents of all .promisor files instead of
285 * just creating a new empty file.
287 promisor_name
= mkpathdup("%s-%s.promisor", packtmp
,
289 write_promisor_file(promisor_name
, NULL
, 0);
291 item
->util
= (void *)(uintptr_t)populate_pack_exts(item
->string
);
296 if (finish_command(&cmd
))
297 die(_("could not finish pack-objects to repack promisor objects"));
300 #define ALL_INTO_ONE 1
301 #define LOOSEN_UNREACHABLE 2
303 struct pack_geometry
{
304 struct packed_git
**pack
;
305 uint32_t pack_nr
, pack_alloc
;
309 static uint32_t geometry_pack_weight(struct packed_git
*p
)
311 if (open_pack_index(p
))
312 die(_("cannot open index for %s"), p
->pack_name
);
313 return p
->num_objects
;
316 static int geometry_cmp(const void *va
, const void *vb
)
318 uint32_t aw
= geometry_pack_weight(*(struct packed_git
**)va
),
319 bw
= geometry_pack_weight(*(struct packed_git
**)vb
);
328 static void init_pack_geometry(struct pack_geometry
**geometry_p
)
330 struct packed_git
*p
;
331 struct pack_geometry
*geometry
;
333 *geometry_p
= xcalloc(1, sizeof(struct pack_geometry
));
334 geometry
= *geometry_p
;
336 for (p
= get_all_packs(the_repository
); p
; p
= p
->next
) {
337 if (!pack_kept_objects
&& p
->pack_keep
)
340 ALLOC_GROW(geometry
->pack
,
341 geometry
->pack_nr
+ 1,
342 geometry
->pack_alloc
);
344 geometry
->pack
[geometry
->pack_nr
] = p
;
348 QSORT(geometry
->pack
, geometry
->pack_nr
, geometry_cmp
);
351 static void split_pack_geometry(struct pack_geometry
*geometry
, int factor
)
355 off_t total_size
= 0;
357 if (!geometry
->pack_nr
) {
358 geometry
->split
= geometry
->pack_nr
;
363 * First, count the number of packs (in descending order of size) which
364 * already form a geometric progression.
366 for (i
= geometry
->pack_nr
- 1; i
> 0; i
--) {
367 struct packed_git
*ours
= geometry
->pack
[i
];
368 struct packed_git
*prev
= geometry
->pack
[i
- 1];
370 if (unsigned_mult_overflows(factor
, geometry_pack_weight(prev
)))
371 die(_("pack %s too large to consider in geometric "
375 if (geometry_pack_weight(ours
) < factor
* geometry_pack_weight(prev
))
383 * Move the split one to the right, since the top element in the
384 * last-compared pair can't be in the progression. Only do this
385 * when we split in the middle of the array (otherwise if we got
386 * to the end, then the split is in the right place).
392 * Then, anything to the left of 'split' must be in a new pack. But,
393 * creating that new pack may cause packs in the heavy half to no longer
394 * form a geometric progression.
396 * Compute an expected size of the new pack, and then determine how many
397 * packs in the heavy half need to be joined into it (if any) to restore
398 * the geometric progression.
400 for (i
= 0; i
< split
; i
++) {
401 struct packed_git
*p
= geometry
->pack
[i
];
403 if (unsigned_add_overflows(total_size
, geometry_pack_weight(p
)))
404 die(_("pack %s too large to roll up"), p
->pack_name
);
405 total_size
+= geometry_pack_weight(p
);
407 for (i
= split
; i
< geometry
->pack_nr
; i
++) {
408 struct packed_git
*ours
= geometry
->pack
[i
];
410 if (unsigned_mult_overflows(factor
, total_size
))
411 die(_("pack %s too large to roll up"), ours
->pack_name
);
413 if (geometry_pack_weight(ours
) < factor
* total_size
) {
414 if (unsigned_add_overflows(total_size
,
415 geometry_pack_weight(ours
)))
416 die(_("pack %s too large to roll up"),
420 total_size
+= geometry_pack_weight(ours
);
425 geometry
->split
= split
;
428 static struct packed_git
*get_largest_active_pack(struct pack_geometry
*geometry
)
432 * No geometry means either an all-into-one repack (in which
433 * case there is only one pack left and it is the largest) or an
436 * If repacking incrementally, then we could check the size of
437 * all packs to determine which should be preferred, but leave
442 if (geometry
->split
== geometry
->pack_nr
)
444 return geometry
->pack
[geometry
->pack_nr
- 1];
447 static void clear_pack_geometry(struct pack_geometry
*geometry
)
452 free(geometry
->pack
);
453 geometry
->pack_nr
= 0;
454 geometry
->pack_alloc
= 0;
458 struct midx_snapshot_ref_data
{
464 static int midx_snapshot_ref_one(const char *refname
,
465 const struct object_id
*oid
,
466 int flag
, void *_data
)
468 struct midx_snapshot_ref_data
*data
= _data
;
469 struct object_id peeled
;
471 if (!peel_iterated_oid(oid
, &peeled
))
474 if (oidset_insert(&data
->seen
, oid
))
475 return 0; /* already seen */
477 if (oid_object_info(the_repository
, oid
, NULL
) != OBJ_COMMIT
)
480 fprintf(data
->f
->fp
, "%s%s\n", data
->preferred
? "+" : "",
486 static void midx_snapshot_refs(struct tempfile
*f
)
488 struct midx_snapshot_ref_data data
;
489 const struct string_list
*preferred
= bitmap_preferred_tips(the_repository
);
493 oidset_init(&data
.seen
, 0);
495 if (!fdopen_tempfile(f
, "w"))
496 die(_("could not open tempfile %s for writing"),
497 get_tempfile_path(f
));
500 struct string_list_item
*item
;
503 for_each_string_list_item(item
, preferred
)
504 for_each_ref_in(item
->string
, midx_snapshot_ref_one
, &data
);
508 for_each_ref(midx_snapshot_ref_one
, &data
);
510 if (close_tempfile_gently(f
)) {
511 int save_errno
= errno
;
514 die_errno(_("could not close refs snapshot tempfile"));
517 oidset_clear(&data
.seen
);
520 static void midx_included_packs(struct string_list
*include
,
521 struct string_list
*existing_nonkept_packs
,
522 struct string_list
*existing_kept_packs
,
523 struct string_list
*names
,
524 struct pack_geometry
*geometry
)
526 struct string_list_item
*item
;
528 for_each_string_list_item(item
, existing_kept_packs
)
529 string_list_insert(include
, xstrfmt("%s.idx", item
->string
));
530 for_each_string_list_item(item
, names
)
531 string_list_insert(include
, xstrfmt("pack-%s.idx", item
->string
));
533 struct strbuf buf
= STRBUF_INIT
;
535 for (i
= geometry
->split
; i
< geometry
->pack_nr
; i
++) {
536 struct packed_git
*p
= geometry
->pack
[i
];
538 strbuf_addstr(&buf
, pack_basename(p
));
539 strbuf_strip_suffix(&buf
, ".pack");
540 strbuf_addstr(&buf
, ".idx");
542 string_list_insert(include
, strbuf_detach(&buf
, NULL
));
545 for_each_string_list_item(item
, existing_nonkept_packs
) {
548 string_list_insert(include
, xstrfmt("%s.idx", item
->string
));
553 static int write_midx_included_packs(struct string_list
*include
,
554 struct pack_geometry
*geometry
,
555 const char *refs_snapshot
,
556 int show_progress
, int write_bitmaps
)
558 struct child_process cmd
= CHILD_PROCESS_INIT
;
559 struct string_list_item
*item
;
560 struct packed_git
*largest
= get_largest_active_pack(geometry
);
570 strvec_push(&cmd
.args
, "multi-pack-index");
571 strvec_pushl(&cmd
.args
, "write", "--stdin-packs", NULL
);
574 strvec_push(&cmd
.args
, "--progress");
576 strvec_push(&cmd
.args
, "--no-progress");
579 strvec_push(&cmd
.args
, "--bitmap");
582 strvec_pushf(&cmd
.args
, "--preferred-pack=%s",
583 pack_basename(largest
));
586 strvec_pushf(&cmd
.args
, "--refs-snapshot=%s", refs_snapshot
);
588 ret
= start_command(&cmd
);
592 in
= xfdopen(cmd
.in
, "w");
593 for_each_string_list_item(item
, include
)
594 fprintf(in
, "%s\n", item
->string
);
597 return finish_command(&cmd
);
600 int cmd_repack(int argc
, const char **argv
, const char *prefix
)
602 struct child_process cmd
= CHILD_PROCESS_INIT
;
603 struct string_list_item
*item
;
604 struct string_list names
= STRING_LIST_INIT_DUP
;
605 struct string_list rollback
= STRING_LIST_INIT_NODUP
;
606 struct string_list existing_nonkept_packs
= STRING_LIST_INIT_DUP
;
607 struct string_list existing_kept_packs
= STRING_LIST_INIT_DUP
;
608 struct pack_geometry
*geometry
= NULL
;
609 struct strbuf line
= STRBUF_INIT
;
610 struct tempfile
*refs_snapshot
= NULL
;
613 int show_progress
= isatty(2);
615 /* variables to be filled by option parsing */
616 int pack_everything
= 0;
617 int delete_redundant
= 0;
618 const char *unpack_unreachable
= NULL
;
619 int keep_unreachable
= 0;
620 struct string_list keep_pack_list
= STRING_LIST_INIT_NODUP
;
621 int no_update_server_info
= 0;
622 struct pack_objects_args po_args
= {NULL
};
623 int geometric_factor
= 0;
626 struct option builtin_repack_options
[] = {
627 OPT_BIT('a', NULL
, &pack_everything
,
628 N_("pack everything in a single pack"), ALL_INTO_ONE
),
629 OPT_BIT('A', NULL
, &pack_everything
,
630 N_("same as -a, and turn unreachable objects loose"),
631 LOOSEN_UNREACHABLE
| ALL_INTO_ONE
),
632 OPT_BOOL('d', NULL
, &delete_redundant
,
633 N_("remove redundant packs, and run git-prune-packed")),
634 OPT_BOOL('f', NULL
, &po_args
.no_reuse_delta
,
635 N_("pass --no-reuse-delta to git-pack-objects")),
636 OPT_BOOL('F', NULL
, &po_args
.no_reuse_object
,
637 N_("pass --no-reuse-object to git-pack-objects")),
638 OPT_BOOL('n', NULL
, &no_update_server_info
,
639 N_("do not run git-update-server-info")),
640 OPT__QUIET(&po_args
.quiet
, N_("be quiet")),
641 OPT_BOOL('l', "local", &po_args
.local
,
642 N_("pass --local to git-pack-objects")),
643 OPT_BOOL('b', "write-bitmap-index", &write_bitmaps
,
644 N_("write bitmap index")),
645 OPT_BOOL('i', "delta-islands", &use_delta_islands
,
646 N_("pass --delta-islands to git-pack-objects")),
647 OPT_STRING(0, "unpack-unreachable", &unpack_unreachable
, N_("approxidate"),
648 N_("with -A, do not loosen objects older than this")),
649 OPT_BOOL('k', "keep-unreachable", &keep_unreachable
,
650 N_("with -a, repack unreachable objects")),
651 OPT_STRING(0, "window", &po_args
.window
, N_("n"),
652 N_("size of the window used for delta compression")),
653 OPT_STRING(0, "window-memory", &po_args
.window_memory
, N_("bytes"),
654 N_("same as the above, but limit memory size instead of entries count")),
655 OPT_STRING(0, "depth", &po_args
.depth
, N_("n"),
656 N_("limits the maximum delta depth")),
657 OPT_STRING(0, "threads", &po_args
.threads
, N_("n"),
658 N_("limits the maximum number of threads")),
659 OPT_STRING(0, "max-pack-size", &po_args
.max_pack_size
, N_("bytes"),
660 N_("maximum size of each packfile")),
661 OPT_BOOL(0, "pack-kept-objects", &pack_kept_objects
,
662 N_("repack objects in packs marked with .keep")),
663 OPT_STRING_LIST(0, "keep-pack", &keep_pack_list
, N_("name"),
664 N_("do not repack this pack")),
665 OPT_INTEGER('g', "geometric", &geometric_factor
,
666 N_("find a geometric progression with factor <N>")),
667 OPT_BOOL('m', "write-midx", &write_midx
,
668 N_("write a multi-pack index of the resulting packs")),
672 git_config(repack_config
, NULL
);
674 argc
= parse_options(argc
, argv
, prefix
, builtin_repack_options
,
675 git_repack_usage
, 0);
677 if (delete_redundant
&& repository_format_precious_objects
)
678 die(_("cannot delete packs in a precious-objects repo"));
680 if (keep_unreachable
&&
681 (unpack_unreachable
|| (pack_everything
& LOOSEN_UNREACHABLE
)))
682 die(_("--keep-unreachable and -A are incompatible"));
684 if (write_bitmaps
< 0) {
686 (!(pack_everything
& ALL_INTO_ONE
) || !is_bare_repository()))
688 } else if (write_bitmaps
&&
689 git_env_bool(GIT_TEST_MULTI_PACK_INDEX
, 0) &&
690 git_env_bool(GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP
, 0)) {
693 if (pack_kept_objects
< 0)
694 pack_kept_objects
= write_bitmaps
> 0;
696 if (write_bitmaps
&& !(pack_everything
& ALL_INTO_ONE
) && !write_midx
)
697 die(_(incremental_bitmap_conflict_error
));
699 if (write_midx
&& write_bitmaps
) {
700 struct strbuf path
= STRBUF_INIT
;
702 strbuf_addf(&path
, "%s/%s_XXXXXX", get_object_directory(),
705 refs_snapshot
= xmks_tempfile(path
.buf
);
706 midx_snapshot_refs(refs_snapshot
);
708 strbuf_release(&path
);
711 if (geometric_factor
) {
713 die(_("--geometric is incompatible with -A, -a"));
714 init_pack_geometry(&geometry
);
715 split_pack_geometry(geometry
, geometric_factor
);
718 packdir
= mkpathdup("%s/pack", get_object_directory());
719 packtmp_name
= xstrfmt(".tmp-%d-pack", (int)getpid());
720 packtmp
= mkpathdup("%s/%s", packdir
, packtmp_name
);
722 sigchain_push_common(remove_pack_on_signal
);
724 prepare_pack_objects(&cmd
, &po_args
);
726 strvec_push(&cmd
.args
, "--keep-true-parents");
727 if (!pack_kept_objects
)
728 strvec_push(&cmd
.args
, "--honor-pack-keep");
729 for (i
= 0; i
< keep_pack_list
.nr
; i
++)
730 strvec_pushf(&cmd
.args
, "--keep-pack=%s",
731 keep_pack_list
.items
[i
].string
);
732 strvec_push(&cmd
.args
, "--non-empty");
735 * We need to grab all reachable objects, including those that
736 * are reachable from reflogs and the index.
738 * When repacking into a geometric progression of packs,
739 * however, we ask 'git pack-objects --stdin-packs', and it is
740 * not about packing objects based on reachability but about
741 * repacking all the objects in specified packs and loose ones
742 * (indeed, --stdin-packs is incompatible with these options).
744 strvec_push(&cmd
.args
, "--all");
745 strvec_push(&cmd
.args
, "--reflog");
746 strvec_push(&cmd
.args
, "--indexed-objects");
748 if (has_promisor_remote())
749 strvec_push(&cmd
.args
, "--exclude-promisor-objects");
751 if (write_bitmaps
> 0)
752 strvec_push(&cmd
.args
, "--write-bitmap-index");
753 else if (write_bitmaps
< 0)
754 strvec_push(&cmd
.args
, "--write-bitmap-index-quiet");
756 if (use_delta_islands
)
757 strvec_push(&cmd
.args
, "--delta-islands");
759 collect_pack_filenames(&existing_nonkept_packs
, &existing_kept_packs
,
762 if (pack_everything
& ALL_INTO_ONE
) {
763 repack_promisor_objects(&po_args
, &names
);
765 if (existing_nonkept_packs
.nr
&& delete_redundant
) {
766 for_each_string_list_item(item
, &names
) {
767 strvec_pushf(&cmd
.args
, "--keep-pack=%s-%s.pack",
768 packtmp_name
, item
->string
);
770 if (unpack_unreachable
) {
771 strvec_pushf(&cmd
.args
,
772 "--unpack-unreachable=%s",
774 } else if (pack_everything
& LOOSEN_UNREACHABLE
) {
775 strvec_push(&cmd
.args
,
776 "--unpack-unreachable");
777 } else if (keep_unreachable
) {
778 strvec_push(&cmd
.args
, "--keep-unreachable");
779 strvec_push(&cmd
.args
, "--pack-loose-unreachable");
782 } else if (geometry
) {
783 strvec_push(&cmd
.args
, "--stdin-packs");
784 strvec_push(&cmd
.args
, "--unpacked");
786 strvec_push(&cmd
.args
, "--unpacked");
787 strvec_push(&cmd
.args
, "--incremental");
795 ret
= start_command(&cmd
);
800 FILE *in
= xfdopen(cmd
.in
, "w");
802 * The resulting pack should contain all objects in packs that
803 * are going to be rolled up, but exclude objects in packs which
804 * are being left alone.
806 for (i
= 0; i
< geometry
->split
; i
++)
807 fprintf(in
, "%s\n", pack_basename(geometry
->pack
[i
]));
808 for (i
= geometry
->split
; i
< geometry
->pack_nr
; i
++)
809 fprintf(in
, "^%s\n", pack_basename(geometry
->pack
[i
]));
813 out
= xfdopen(cmd
.out
, "r");
814 while (strbuf_getline_lf(&line
, out
) != EOF
) {
815 if (line
.len
!= the_hash_algo
->hexsz
)
816 die(_("repack: Expecting full hex object ID lines only from pack-objects."));
817 string_list_append(&names
, line
.buf
);
820 ret
= finish_command(&cmd
);
824 if (!names
.nr
&& !po_args
.quiet
)
825 printf_ln(_("Nothing new to pack."));
827 for_each_string_list_item(item
, &names
) {
828 item
->util
= (void *)(uintptr_t)populate_pack_exts(item
->string
);
831 close_object_store(the_repository
->objects
);
834 * Ok we have prepared all new packfiles.
836 for_each_string_list_item(item
, &names
) {
837 for (ext
= 0; ext
< ARRAY_SIZE(exts
); ext
++) {
838 char *fname
, *fname_old
;
840 fname
= mkpathdup("%s/pack-%s%s",
841 packdir
, item
->string
, exts
[ext
].name
);
842 fname_old
= mkpathdup("%s-%s%s",
843 packtmp
, item
->string
, exts
[ext
].name
);
845 if (((uintptr_t)item
->util
) & (1 << ext
)) {
846 struct stat statbuffer
;
847 if (!stat(fname_old
, &statbuffer
)) {
848 statbuffer
.st_mode
&= ~(S_IWUSR
| S_IWGRP
| S_IWOTH
);
849 chmod(fname_old
, statbuffer
.st_mode
);
852 if (rename(fname_old
, fname
))
853 die_errno(_("renaming '%s' failed"), fname_old
);
854 } else if (!exts
[ext
].optional
)
855 die(_("missing required file: %s"), fname_old
);
856 else if (unlink(fname
) < 0 && errno
!= ENOENT
)
857 die_errno(_("could not unlink: %s"), fname
);
863 /* End of pack replacement. */
865 if (delete_redundant
&& pack_everything
& ALL_INTO_ONE
) {
866 const int hexsz
= the_hash_algo
->hexsz
;
867 string_list_sort(&names
);
868 for_each_string_list_item(item
, &existing_nonkept_packs
) {
870 size_t len
= strlen(item
->string
);
873 sha1
= item
->string
+ len
- hexsz
;
875 * Mark this pack for deletion, which ensures that this
876 * pack won't be included in a MIDX (if `--write-midx`
877 * was given) and that we will actually delete this pack
878 * (if `-d` was given).
880 item
->util
= (void*)(intptr_t)!string_list_has_string(&names
, sha1
);
885 struct string_list include
= STRING_LIST_INIT_NODUP
;
886 midx_included_packs(&include
, &existing_nonkept_packs
,
887 &existing_kept_packs
, &names
, geometry
);
889 ret
= write_midx_included_packs(&include
, geometry
,
890 refs_snapshot
? get_tempfile_path(refs_snapshot
) : NULL
,
891 show_progress
, write_bitmaps
> 0);
893 string_list_clear(&include
, 0);
899 reprepare_packed_git(the_repository
);
901 if (delete_redundant
) {
903 for_each_string_list_item(item
, &existing_nonkept_packs
) {
906 remove_redundant_pack(packdir
, item
->string
);
910 struct strbuf buf
= STRBUF_INIT
;
913 for (i
= 0; i
< geometry
->split
; i
++) {
914 struct packed_git
*p
= geometry
->pack
[i
];
915 if (string_list_has_string(&names
,
916 hash_to_hex(p
->hash
)))
920 strbuf_addstr(&buf
, pack_basename(p
));
921 strbuf_strip_suffix(&buf
, ".pack");
923 remove_redundant_pack(packdir
, buf
.buf
);
925 strbuf_release(&buf
);
927 if (!po_args
.quiet
&& show_progress
)
928 opts
|= PRUNE_PACKED_VERBOSE
;
929 prune_packed_objects(opts
);
931 if (!keep_unreachable
&&
932 (!(pack_everything
& LOOSEN_UNREACHABLE
) ||
933 unpack_unreachable
) &&
934 is_repository_shallow(the_repository
))
935 prune_shallow(PRUNE_QUICK
);
938 if (!no_update_server_info
)
939 update_server_info(0);
940 remove_temporary_files();
942 if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX
, 0)) {
944 if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP
, 0))
945 flags
|= MIDX_WRITE_BITMAP
| MIDX_WRITE_REV_INDEX
;
946 write_midx_file(get_object_directory(), NULL
, NULL
, flags
);
949 string_list_clear(&names
, 0);
950 string_list_clear(&rollback
, 0);
951 string_list_clear(&existing_nonkept_packs
, 0);
952 string_list_clear(&existing_kept_packs
, 0);
953 clear_pack_geometry(geometry
);
954 strbuf_release(&line
);