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Diffstat (limited to 'midx.c')
-rw-r--r--midx.c134
1 files changed, 109 insertions, 25 deletions
diff --git a/midx.c b/midx.c
index f29afc0d2d..6d1584ca51 100644
--- a/midx.c
+++ b/midx.c
@@ -72,9 +72,9 @@ struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local
FREE_AND_NULL(midx_name);
midx_map = xmmap(NULL, midx_size, PROT_READ, MAP_PRIVATE, fd, 0);
+ close(fd);
FLEX_ALLOC_STR(m, object_dir, object_dir);
- m->fd = fd;
m->data = midx_map;
m->data_len = midx_size;
m->local = local;
@@ -190,8 +190,6 @@ void close_midx(struct multi_pack_index *m)
return;
munmap((unsigned char *)m->data, m->data_len);
- close(m->fd);
- m->fd = -1;
for (i = 0; i < m->num_packs; i++) {
if (m->packs[i])
@@ -448,6 +446,8 @@ struct pack_list {
uint32_t nr;
uint32_t alloc;
struct multi_pack_index *m;
+ struct progress *progress;
+ unsigned pack_paths_checked;
};
static void add_pack_to_midx(const char *full_path, size_t full_path_len,
@@ -456,6 +456,7 @@ static void add_pack_to_midx(const char *full_path, size_t full_path_len,
struct pack_list *packs = (struct pack_list *)data;
if (ends_with(file_name, ".idx")) {
+ display_progress(packs->progress, ++packs->pack_paths_checked);
if (packs->m && midx_contains_pack(packs->m, file_name))
return;
@@ -531,7 +532,7 @@ static void fill_pack_entry(uint32_t pack_int_id,
uint32_t cur_object,
struct pack_midx_entry *entry)
{
- if (!nth_packed_object_oid(&entry->oid, p, cur_object))
+ if (nth_packed_object_id(&entry->oid, p, cur_object) < 0)
die(_("failed to locate object %d in packfile"), cur_object);
entry->pack_int_id = pack_int_id;
@@ -785,7 +786,7 @@ static size_t write_midx_large_offsets(struct hashfile *f, uint32_t nr_large_off
}
static int write_midx_internal(const char *object_dir, struct multi_pack_index *m,
- struct string_list *packs_to_drop)
+ struct string_list *packs_to_drop, unsigned flags)
{
unsigned char cur_chunk, num_chunks = 0;
char *midx_name;
@@ -799,6 +800,7 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index *
uint64_t chunk_offsets[MIDX_MAX_CHUNKS + 1];
uint32_t nr_entries, num_large_offsets = 0;
struct pack_midx_entry *entries = NULL;
+ struct progress *progress = NULL;
int large_offsets_needed = 0;
int pack_name_concat_len = 0;
int dropped_packs = 0;
@@ -833,7 +835,14 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index *
}
}
+ packs.pack_paths_checked = 0;
+ if (flags & MIDX_PROGRESS)
+ packs.progress = start_progress(_("Adding packfiles to multi-pack-index"), 0);
+ else
+ packs.progress = NULL;
+
for_each_file_in_pack_dir(object_dir, add_pack_to_midx, &packs);
+ stop_progress(&packs.progress);
if (packs.m && packs.nr == packs.m->num_packs && !packs_to_drop)
goto cleanup;
@@ -912,6 +921,12 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index *
cur_chunk = 0;
num_chunks = large_offsets_needed ? 5 : 4;
+ if (packs.nr - dropped_packs == 0) {
+ error(_("no pack files to index."));
+ result = 1;
+ goto cleanup;
+ }
+
written = write_midx_header(f, num_chunks, packs.nr - dropped_packs);
chunk_ids[cur_chunk] = MIDX_CHUNKID_PACKNAMES;
@@ -958,6 +973,9 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index *
written += MIDX_CHUNKLOOKUP_WIDTH;
}
+ if (flags & MIDX_PROGRESS)
+ progress = start_progress(_("Writing chunks to multi-pack-index"),
+ num_chunks);
for (i = 0; i < num_chunks; i++) {
if (written != chunk_offsets[i])
BUG("incorrect chunk offset (%"PRIu64" != %"PRIu64") for chunk id %"PRIx32,
@@ -990,7 +1008,10 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index *
BUG("trying to write unknown chunk id %"PRIx32,
chunk_ids[i]);
}
+
+ display_progress(progress, i + 1);
}
+ stop_progress(&progress);
if (written != chunk_offsets[num_chunks])
BUG("incorrect final offset %"PRIu64" != %"PRIu64,
@@ -1016,9 +1037,9 @@ cleanup:
return result;
}
-int write_midx_file(const char *object_dir)
+int write_midx_file(const char *object_dir, unsigned flags)
{
- return write_midx_internal(object_dir, NULL, NULL);
+ return write_midx_internal(object_dir, NULL, NULL, flags);
}
void clear_midx_file(struct repository *r)
@@ -1076,19 +1097,20 @@ static int compare_pair_pos_vs_id(const void *_a, const void *_b)
display_progress(progress, _n); \
} while (0)
-int verify_midx_file(struct repository *r, const char *object_dir)
+int verify_midx_file(struct repository *r, const char *object_dir, unsigned flags)
{
struct pair_pos_vs_id *pairs = NULL;
uint32_t i;
- struct progress *progress;
+ struct progress *progress = NULL;
struct multi_pack_index *m = load_multi_pack_index(object_dir, 1);
verify_midx_error = 0;
if (!m)
return 0;
- progress = start_progress(_("Looking for referenced packfiles"),
- m->num_packs);
+ if (flags & MIDX_PROGRESS)
+ progress = start_progress(_("Looking for referenced packfiles"),
+ m->num_packs);
for (i = 0; i < m->num_packs; i++) {
if (prepare_midx_pack(r, m, i))
midx_report("failed to load pack in position %d", i);
@@ -1106,8 +1128,18 @@ int verify_midx_file(struct repository *r, const char *object_dir)
i, oid_fanout1, oid_fanout2, i + 1);
}
- progress = start_sparse_progress(_("Verifying OID order in MIDX"),
- m->num_objects - 1);
+ if (m->num_objects == 0) {
+ midx_report(_("the midx contains no oid"));
+ /*
+ * Remaining tests assume that we have objects, so we can
+ * return here.
+ */
+ return verify_midx_error;
+ }
+
+ if (flags & MIDX_PROGRESS)
+ progress = start_sparse_progress(_("Verifying OID order in multi-pack-index"),
+ m->num_objects - 1);
for (i = 0; i < m->num_objects - 1; i++) {
struct object_id oid1, oid2;
@@ -1134,13 +1166,15 @@ int verify_midx_file(struct repository *r, const char *object_dir)
pairs[i].pack_int_id = nth_midxed_pack_int_id(m, i);
}
- progress = start_sparse_progress(_("Sorting objects by packfile"),
- m->num_objects);
+ if (flags & MIDX_PROGRESS)
+ progress = start_sparse_progress(_("Sorting objects by packfile"),
+ m->num_objects);
display_progress(progress, 0); /* TODO: Measure QSORT() progress */
QSORT(pairs, m->num_objects, compare_pair_pos_vs_id);
stop_progress(&progress);
- progress = start_sparse_progress(_("Verifying object offsets"), m->num_objects);
+ if (flags & MIDX_PROGRESS)
+ progress = start_sparse_progress(_("Verifying object offsets"), m->num_objects);
for (i = 0; i < m->num_objects; i++) {
struct object_id oid;
struct pack_entry e;
@@ -1183,23 +1217,34 @@ int verify_midx_file(struct repository *r, const char *object_dir)
return verify_midx_error;
}
-int expire_midx_packs(struct repository *r, const char *object_dir)
+int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags)
{
uint32_t i, *count, result = 0;
struct string_list packs_to_drop = STRING_LIST_INIT_DUP;
struct multi_pack_index *m = load_multi_pack_index(object_dir, 1);
+ struct progress *progress = NULL;
if (!m)
return 0;
count = xcalloc(m->num_packs, sizeof(uint32_t));
+
+ if (flags & MIDX_PROGRESS)
+ progress = start_progress(_("Counting referenced objects"),
+ m->num_objects);
for (i = 0; i < m->num_objects; i++) {
int pack_int_id = nth_midxed_pack_int_id(m, i);
count[pack_int_id]++;
+ display_progress(progress, i + 1);
}
+ stop_progress(&progress);
+ if (flags & MIDX_PROGRESS)
+ progress = start_progress(_("Finding and deleting unreferenced packfiles"),
+ m->num_packs);
for (i = 0; i < m->num_packs; i++) {
char *pack_name;
+ display_progress(progress, i + 1);
if (count[i])
continue;
@@ -1217,11 +1262,12 @@ int expire_midx_packs(struct repository *r, const char *object_dir)
unlink_pack_path(pack_name, 0);
free(pack_name);
}
+ stop_progress(&progress);
free(count);
if (packs_to_drop.nr)
- result = write_midx_internal(object_dir, m, &packs_to_drop);
+ result = write_midx_internal(object_dir, m, &packs_to_drop, flags);
string_list_clear(&packs_to_drop, 0);
return result;
@@ -1247,15 +1293,26 @@ static int compare_by_mtime(const void *a_, const void *b_)
return 0;
}
-static int fill_included_packs_all(struct multi_pack_index *m,
+static int fill_included_packs_all(struct repository *r,
+ struct multi_pack_index *m,
unsigned char *include_pack)
{
- uint32_t i;
+ uint32_t i, count = 0;
+ int pack_kept_objects = 0;
+
+ repo_config_get_bool(r, "repack.packkeptobjects", &pack_kept_objects);
+
+ for (i = 0; i < m->num_packs; i++) {
+ if (prepare_midx_pack(r, m, i))
+ continue;
+ if (!pack_kept_objects && m->packs[i]->pack_keep)
+ continue;
- for (i = 0; i < m->num_packs; i++)
include_pack[i] = 1;
+ count++;
+ }
- return m->num_packs < 2;
+ return count < 2;
}
static int fill_included_packs_batch(struct repository *r,
@@ -1266,6 +1323,9 @@ static int fill_included_packs_batch(struct repository *r,
uint32_t i, packs_to_repack;
size_t total_size;
struct repack_info *pack_info = xcalloc(m->num_packs, sizeof(struct repack_info));
+ int pack_kept_objects = 0;
+
+ repo_config_get_bool(r, "repack.packkeptobjects", &pack_kept_objects);
for (i = 0; i < m->num_packs; i++) {
pack_info[i].pack_int_id = i;
@@ -1292,6 +1352,8 @@ static int fill_included_packs_batch(struct repository *r,
if (!p)
continue;
+ if (!pack_kept_objects && p->pack_keep)
+ continue;
if (open_pack_index(p) || !p->num_objects)
continue;
@@ -1315,7 +1377,7 @@ static int fill_included_packs_batch(struct repository *r,
return 0;
}
-int midx_repack(struct repository *r, const char *object_dir, size_t batch_size)
+int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, unsigned flags)
{
int result = 0;
uint32_t i;
@@ -1324,6 +1386,14 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size)
struct strbuf base_name = STRBUF_INIT;
struct multi_pack_index *m = load_multi_pack_index(object_dir, 1);
+ /*
+ * When updating the default for these configuration
+ * variables in builtin/repack.c, these must be adjusted
+ * to match.
+ */
+ int delta_base_offset = 1;
+ int use_delta_islands = 0;
+
if (!m)
return 0;
@@ -1332,14 +1402,28 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size)
if (batch_size) {
if (fill_included_packs_batch(r, m, include_pack, batch_size))
goto cleanup;
- } else if (fill_included_packs_all(m, include_pack))
+ } else if (fill_included_packs_all(r, m, include_pack))
goto cleanup;
+ repo_config_get_bool(r, "repack.usedeltabaseoffset", &delta_base_offset);
+ repo_config_get_bool(r, "repack.usedeltaislands", &use_delta_islands);
+
argv_array_push(&cmd.args, "pack-objects");
strbuf_addstr(&base_name, object_dir);
strbuf_addstr(&base_name, "/pack/pack");
argv_array_push(&cmd.args, base_name.buf);
+
+ if (delta_base_offset)
+ argv_array_push(&cmd.args, "--delta-base-offset");
+ if (use_delta_islands)
+ argv_array_push(&cmd.args, "--delta-islands");
+
+ if (flags & MIDX_PROGRESS)
+ argv_array_push(&cmd.args, "--progress");
+ else
+ argv_array_push(&cmd.args, "-q");
+
strbuf_release(&base_name);
cmd.git_cmd = 1;
@@ -1370,7 +1454,7 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size)
goto cleanup;
}
- result = write_midx_internal(object_dir, m, NULL);
+ result = write_midx_internal(object_dir, m, NULL, flags);
m = NULL;
cleanup: