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-rw-r--r--packfile.c307
1 files changed, 171 insertions, 136 deletions
diff --git a/packfile.c b/packfile.c
index 7c1a251..7cd45aa 100644
--- a/packfile.c
+++ b/packfile.c
@@ -1,6 +1,7 @@
#include "cache.h"
#include "list.h"
#include "pack.h"
+#include "repository.h"
#include "dir.h"
#include "mergesort.h"
#include "packfile.h"
@@ -13,6 +14,7 @@
#include "tag.h"
#include "tree-walk.h"
#include "tree.h"
+#include "object-store.h"
char *odb_pack_name(struct strbuf *buf,
const unsigned char *sha1,
@@ -44,8 +46,6 @@ static unsigned int pack_open_fds;
static unsigned int pack_max_fds;
static size_t peak_pack_mapped;
static size_t pack_mapped;
-struct packed_git *packed_git;
-LIST_HEAD(packed_git_mru);
#define SZ_FMT PRIuMAX
static inline uintmax_t sz_fmt(size_t s) { return s; }
@@ -84,6 +84,7 @@ static int check_packed_git_idx(const char *path, struct packed_git *p)
uint32_t version, nr, i, *index;
int fd = git_open(path);
struct stat st;
+ const unsigned int hashsz = the_hash_algo->rawsz;
if (fd < 0)
return -1;
@@ -92,7 +93,7 @@ static int check_packed_git_idx(const char *path, struct packed_git *p)
return -1;
}
idx_size = xsize_t(st.st_size);
- if (idx_size < 4 * 256 + 20 + 20) {
+ if (idx_size < 4 * 256 + hashsz + hashsz) {
close(fd);
return error("index file %s is too small", path);
}
@@ -129,11 +130,11 @@ static int check_packed_git_idx(const char *path, struct packed_git *p)
/*
* Total size:
* - 256 index entries 4 bytes each
- * - 24-byte entries * nr (20-byte sha1 + 4-byte offset)
- * - 20-byte SHA1 of the packfile
- * - 20-byte SHA1 file checksum
+ * - 24-byte entries * nr (object ID + 4-byte offset)
+ * - hash of the packfile
+ * - file checksum
*/
- if (idx_size != 4*256 + nr * 24 + 20 + 20) {
+ if (idx_size != 4*256 + nr * (hashsz + 4) + hashsz + hashsz) {
munmap(idx_map, idx_size);
return error("wrong index v1 file size in %s", path);
}
@@ -142,16 +143,16 @@ static int check_packed_git_idx(const char *path, struct packed_git *p)
* Minimum size:
* - 8 bytes of header
* - 256 index entries 4 bytes each
- * - 20-byte sha1 entry * nr
+ * - object ID entry * nr
* - 4-byte crc entry * nr
* - 4-byte offset entry * nr
- * - 20-byte SHA1 of the packfile
- * - 20-byte SHA1 file checksum
+ * - hash of the packfile
+ * - file checksum
* And after the 4-byte offset table might be a
* variable sized table containing 8-byte entries
* for offsets larger than 2^31.
*/
- unsigned long min_size = 8 + 4*256 + nr*(20 + 4 + 4) + 20 + 20;
+ unsigned long min_size = 8 + 4*256 + nr*(hashsz + 4 + 4) + hashsz + hashsz;
unsigned long max_size = min_size;
if (nr)
max_size += (nr - 1)*8;
@@ -188,7 +189,7 @@ int open_pack_index(struct packed_git *p)
return 0;
if (!strip_suffix(p->pack_name, ".pack", &len))
- die("BUG: pack_name does not end in .pack");
+ BUG("pack_name does not end in .pack");
idx_name = xstrfmt("%.*s.idx", (int)len, p->pack_name);
ret = check_packed_git_idx(idx_name, p);
free(idx_name);
@@ -245,7 +246,7 @@ static int unuse_one_window(struct packed_git *current)
if (current)
scan_windows(current, &lru_p, &lru_w, &lru_l);
- for (p = packed_git; p; p = p->next)
+ for (p = the_repository->objects->packed_git; p; p = p->next)
scan_windows(p, &lru_p, &lru_w, &lru_l);
if (lru_p) {
munmap(lru_w->base, lru_w->len);
@@ -304,20 +305,20 @@ void close_pack_index(struct packed_git *p)
}
}
-static void close_pack(struct packed_git *p)
+void close_pack(struct packed_git *p)
{
close_pack_windows(p);
close_pack_fd(p);
close_pack_index(p);
}
-void close_all_packs(void)
+void close_all_packs(struct raw_object_store *o)
{
struct packed_git *p;
- for (p = packed_git; p; p = p->next)
+ for (p = o->packed_git; p; p = p->next)
if (p->do_not_close)
- die("BUG: want to close pack marked 'do-not-close'");
+ BUG("want to close pack marked 'do-not-close'");
else
close_pack(p);
}
@@ -383,7 +384,7 @@ static int close_one_pack(void)
struct pack_window *mru_w = NULL;
int accept_windows_inuse = 1;
- for (p = packed_git; p; p = p->next) {
+ for (p = the_repository->objects->packed_git; p; p = p->next) {
if (p->pack_fd == -1)
continue;
find_lru_pack(p, &lru_p, &mru_w, &accept_windows_inuse);
@@ -444,10 +445,11 @@ static int open_packed_git_1(struct packed_git *p)
{
struct stat st;
struct pack_header hdr;
- unsigned char sha1[20];
- unsigned char *idx_sha1;
+ unsigned char hash[GIT_MAX_RAWSZ];
+ unsigned char *idx_hash;
long fd_flag;
ssize_t read_result;
+ const unsigned hashsz = the_hash_algo->rawsz;
if (!p->index_data && open_pack_index(p))
return error("packfile %s index unavailable", p->pack_name);
@@ -507,15 +509,15 @@ static int open_packed_git_1(struct packed_git *p)
" while index indicates %"PRIu32" objects",
p->pack_name, ntohl(hdr.hdr_entries),
p->num_objects);
- if (lseek(p->pack_fd, p->pack_size - sizeof(sha1), SEEK_SET) == -1)
+ if (lseek(p->pack_fd, p->pack_size - hashsz, SEEK_SET) == -1)
return error("end of packfile %s is unavailable", p->pack_name);
- read_result = read_in_full(p->pack_fd, sha1, sizeof(sha1));
+ read_result = read_in_full(p->pack_fd, hash, hashsz);
if (read_result < 0)
return error_errno("error reading from %s", p->pack_name);
- if (read_result != sizeof(sha1))
+ if (read_result != hashsz)
return error("packfile %s signature is unavailable", p->pack_name);
- idx_sha1 = ((unsigned char *)p->index_data) + p->index_size - 40;
- if (hashcmp(sha1, idx_sha1))
+ idx_hash = ((unsigned char *)p->index_data) + p->index_size - hashsz * 2;
+ if (hashcmp(hash, idx_hash))
return error("packfile %s does not match index", p->pack_name);
return 0;
}
@@ -530,7 +532,7 @@ static int open_packed_git(struct packed_git *p)
static int in_window(struct pack_window *win, off_t offset)
{
- /* We must promise at least 20 bytes (one hash) after the
+ /* We must promise at least one full hash after the
* offset is available from this window, otherwise the offset
* is not actually in this window and a different window (which
* has that one hash excess) must be used. This is to support
@@ -538,7 +540,7 @@ static int in_window(struct pack_window *win, off_t offset)
*/
off_t win_off = win->offset;
return win_off <= offset
- && (offset + 20) <= (win_off + win->len);
+ && (offset + the_hash_algo->rawsz) <= (win_off + win->len);
}
unsigned char *use_pack(struct packed_git *p,
@@ -555,7 +557,7 @@ unsigned char *use_pack(struct packed_git *p,
*/
if (!p->pack_size && p->pack_fd == -1 && open_packed_git(p))
die("packfile %s cannot be accessed", p->pack_name);
- if (offset > (p->pack_size - 20))
+ if (offset > (p->pack_size - the_hash_algo->rawsz))
die("offset beyond end of packfile (truncated pack?)");
if (offset < 0)
die(_("offset before end of packfile (broken .idx?)"));
@@ -675,18 +677,19 @@ struct packed_git *add_packed_git(const char *path, size_t path_len, int local)
p->pack_size = st.st_size;
p->pack_local = local;
p->mtime = st.st_mtime;
- if (path_len < 40 || get_sha1_hex(path + path_len - 40, p->sha1))
+ if (path_len < the_hash_algo->hexsz ||
+ get_sha1_hex(path + path_len - the_hash_algo->hexsz, p->sha1))
hashclr(p->sha1);
return p;
}
-void install_packed_git(struct packed_git *pack)
+void install_packed_git(struct repository *r, struct packed_git *pack)
{
if (pack->pack_fd != -1)
pack_open_fds++;
- pack->next = packed_git;
- packed_git = pack;
+ pack->next = r->objects->packed_git;
+ r->objects->packed_git = pack;
}
void (*report_garbage)(unsigned seen_bits, const char *path);
@@ -735,7 +738,7 @@ static void report_pack_garbage(struct string_list *list)
report_helper(list, seen_bits, first, list->nr);
}
-static void prepare_packed_git_one(char *objdir, int local)
+static void prepare_packed_git_one(struct repository *r, char *objdir, int local)
{
struct strbuf path = STRBUF_INIT;
size_t dirnamelen;
@@ -768,7 +771,8 @@ static void prepare_packed_git_one(char *objdir, int local)
base_len = path.len;
if (strip_suffix_mem(path.buf, &base_len, ".idx")) {
/* Don't reopen a pack we already have. */
- for (p = packed_git; p; p = p->next) {
+ for (p = r->objects->packed_git; p;
+ p = p->next) {
size_t len;
if (strip_suffix(p->pack_name, ".pack", &len) &&
len == base_len &&
@@ -781,7 +785,7 @@ static void prepare_packed_git_one(char *objdir, int local)
* corresponding .pack file that we can map.
*/
(p = add_packed_git(path.buf, path.len, local)) != NULL)
- install_packed_git(p);
+ install_packed_git(r, p);
}
if (!report_garbage)
@@ -802,8 +806,7 @@ static void prepare_packed_git_one(char *objdir, int local)
strbuf_release(&path);
}
-static int approximate_object_count_valid;
-
+static void prepare_packed_git(struct repository *r);
/*
* Give a fast, rough count of the number of objects in the repository. This
* ignores loose objects completely. If you have a lot of them, then either
@@ -813,19 +816,20 @@ static int approximate_object_count_valid;
*/
unsigned long approximate_object_count(void)
{
- static unsigned long count;
- if (!approximate_object_count_valid) {
+ if (!the_repository->objects->approximate_object_count_valid) {
+ unsigned long count;
struct packed_git *p;
- prepare_packed_git();
+ prepare_packed_git(the_repository);
count = 0;
- for (p = packed_git; p; p = p->next) {
+ for (p = the_repository->objects->packed_git; p; p = p->next) {
if (open_pack_index(p))
continue;
count += p->num_objects;
}
+ the_repository->objects->approximate_object_count = count;
}
- return count;
+ return the_repository->objects->approximate_object_count;
}
static void *get_next_packed_git(const void *p)
@@ -866,43 +870,55 @@ static int sort_pack(const void *a_, const void *b_)
return -1;
}
-static void rearrange_packed_git(void)
+static void rearrange_packed_git(struct repository *r)
{
- packed_git = llist_mergesort(packed_git, get_next_packed_git,
- set_next_packed_git, sort_pack);
+ r->objects->packed_git = llist_mergesort(
+ r->objects->packed_git, get_next_packed_git,
+ set_next_packed_git, sort_pack);
}
-static void prepare_packed_git_mru(void)
+static void prepare_packed_git_mru(struct repository *r)
{
struct packed_git *p;
- INIT_LIST_HEAD(&packed_git_mru);
+ INIT_LIST_HEAD(&r->objects->packed_git_mru);
- for (p = packed_git; p; p = p->next)
- list_add_tail(&p->mru, &packed_git_mru);
+ for (p = r->objects->packed_git; p; p = p->next)
+ list_add_tail(&p->mru, &r->objects->packed_git_mru);
}
-static int prepare_packed_git_run_once = 0;
-void prepare_packed_git(void)
+static void prepare_packed_git(struct repository *r)
{
struct alternate_object_database *alt;
- if (prepare_packed_git_run_once)
+ if (r->objects->packed_git_initialized)
return;
- prepare_packed_git_one(get_object_directory(), 1);
- prepare_alt_odb();
- for (alt = alt_odb_list; alt; alt = alt->next)
- prepare_packed_git_one(alt->path, 0);
- rearrange_packed_git();
- prepare_packed_git_mru();
- prepare_packed_git_run_once = 1;
+ prepare_packed_git_one(r, r->objects->objectdir, 1);
+ prepare_alt_odb(r);
+ for (alt = r->objects->alt_odb_list; alt; alt = alt->next)
+ prepare_packed_git_one(r, alt->path, 0);
+ rearrange_packed_git(r);
+ prepare_packed_git_mru(r);
+ r->objects->packed_git_initialized = 1;
+}
+
+void reprepare_packed_git(struct repository *r)
+{
+ r->objects->approximate_object_count_valid = 0;
+ r->objects->packed_git_initialized = 0;
+ prepare_packed_git(r);
+}
+
+struct packed_git *get_packed_git(struct repository *r)
+{
+ prepare_packed_git(r);
+ return r->objects->packed_git;
}
-void reprepare_packed_git(void)
+struct list_head *get_packed_git_mru(struct repository *r)
{
- approximate_object_count_valid = 0;
- prepare_packed_git_run_once = 0;
- prepare_packed_git();
+ prepare_packed_git(r);
+ return &r->objects->packed_git_mru;
}
unsigned long unpack_object_header_buffer(const unsigned char *buf,
@@ -1013,9 +1029,10 @@ const struct packed_git *has_packed_and_bad(const unsigned char *sha1)
struct packed_git *p;
unsigned i;
- for (p = packed_git; p; p = p->next)
+ for (p = the_repository->objects->packed_git; p; p = p->next)
for (i = 0; i < p->num_bad_objects; i++)
- if (!hashcmp(sha1, p->bad_object_sha1 + 20 * i))
+ if (!hashcmp(sha1,
+ p->bad_object_sha1 + the_hash_algo->rawsz * i))
return p;
return NULL;
}
@@ -1053,7 +1070,7 @@ static off_t get_delta_base(struct packed_git *p,
} else if (type == OBJ_REF_DELTA) {
/* The base entry _must_ be in the same pack */
base_offset = find_pack_entry_one(base_info, p);
- *curpos += 20;
+ *curpos += the_hash_algo->rawsz;
} else
die("I am totally screwed");
return base_offset;
@@ -1091,17 +1108,19 @@ static const unsigned char *get_delta_base_sha1(struct packed_git *p,
return NULL;
}
-static int retry_bad_packed_offset(struct packed_git *p, off_t obj_offset)
+static int retry_bad_packed_offset(struct repository *r,
+ struct packed_git *p,
+ off_t obj_offset)
{
int type;
struct revindex_entry *revidx;
- const unsigned char *sha1;
+ struct object_id oid;
revidx = find_pack_revindex(p, obj_offset);
if (!revidx)
return OBJ_BAD;
- sha1 = nth_packed_object_sha1(p, revidx->nr);
- mark_bad_packed_object(p, sha1);
- type = sha1_object_info(sha1, NULL);
+ nth_packed_object_oid(&oid, p, revidx->nr);
+ mark_bad_packed_object(p, oid.hash);
+ type = oid_object_info(r, &oid, NULL);
if (type <= OBJ_NONE)
return OBJ_BAD;
return type;
@@ -1109,7 +1128,8 @@ static int retry_bad_packed_offset(struct packed_git *p, off_t obj_offset)
#define POI_STACK_PREALLOC 64
-static enum object_type packed_to_object_type(struct packed_git *p,
+static enum object_type packed_to_object_type(struct repository *r,
+ struct packed_git *p,
off_t obj_offset,
enum object_type type,
struct pack_window **w_curs,
@@ -1140,7 +1160,7 @@ static enum object_type packed_to_object_type(struct packed_git *p,
if (type <= OBJ_NONE) {
/* If getting the base itself fails, we first
* retry the base, otherwise unwind */
- type = retry_bad_packed_offset(p, base_offset);
+ type = retry_bad_packed_offset(r, p, base_offset);
if (type > OBJ_NONE)
goto out;
goto unwind;
@@ -1168,7 +1188,7 @@ out:
unwind:
while (poi_stack_nr) {
obj_offset = poi_stack[--poi_stack_nr];
- type = retry_bad_packed_offset(p, obj_offset);
+ type = retry_bad_packed_offset(r, p, obj_offset);
if (type > OBJ_NONE)
goto out;
}
@@ -1255,14 +1275,15 @@ static void detach_delta_base_cache_entry(struct delta_base_cache_entry *ent)
free(ent);
}
-static void *cache_or_unpack_entry(struct packed_git *p, off_t base_offset,
- unsigned long *base_size, enum object_type *type)
+static void *cache_or_unpack_entry(struct repository *r, struct packed_git *p,
+ off_t base_offset, unsigned long *base_size,
+ enum object_type *type)
{
struct delta_base_cache_entry *ent;
ent = get_delta_base_cache_entry(p, base_offset);
if (!ent)
- return unpack_entry(p, base_offset, type, base_size);
+ return unpack_entry(r, p, base_offset, type, base_size);
if (type)
*type = ent->type;
@@ -1316,8 +1337,8 @@ static void add_delta_base_cache(struct packed_git *p, off_t base_offset,
hashmap_add(&delta_base_cache, ent);
}
-int packed_object_info(struct packed_git *p, off_t obj_offset,
- struct object_info *oi)
+int packed_object_info(struct repository *r, struct packed_git *p,
+ off_t obj_offset, struct object_info *oi)
{
struct pack_window *w_curs = NULL;
unsigned long size;
@@ -1329,7 +1350,7 @@ int packed_object_info(struct packed_git *p, off_t obj_offset,
* a "real" type later if the caller is interested.
*/
if (oi->contentp) {
- *oi->contentp = cache_or_unpack_entry(p, obj_offset, oi->sizep,
+ *oi->contentp = cache_or_unpack_entry(r, p, obj_offset, oi->sizep,
&type);
if (!*oi->contentp)
type = OBJ_BAD;
@@ -1363,8 +1384,8 @@ int packed_object_info(struct packed_git *p, off_t obj_offset,
if (oi->typep || oi->type_name) {
enum object_type ptot;
- ptot = packed_to_object_type(p, obj_offset, type, &w_curs,
- curpos);
+ ptot = packed_to_object_type(r, p, obj_offset,
+ type, &w_curs, curpos);
if (oi->typep)
*oi->typep = ptot;
if (oi->type_name) {
@@ -1433,6 +1454,9 @@ static void *unpack_compressed_entry(struct packed_git *p,
return NULL;
}
+ /* versions of zlib can clobber unconsumed portion of outbuf */
+ buffer[size] = '\0';
+
return buffer;
}
@@ -1452,7 +1476,9 @@ struct unpack_entry_stack_ent {
unsigned long size;
};
-static void *read_object(const unsigned char *sha1, enum object_type *type,
+static void *read_object(struct repository *r,
+ const struct object_id *oid,
+ enum object_type *type,
unsigned long *size)
{
struct object_info oi = OBJECT_INFO_INIT;
@@ -1461,12 +1487,12 @@ static void *read_object(const unsigned char *sha1, enum object_type *type,
oi.sizep = size;
oi.contentp = &content;
- if (sha1_object_info_extended(sha1, &oi, 0) < 0)
+ if (oid_object_info_extended(r, oid, &oi, 0) < 0)
return NULL;
return content;
}
-void *unpack_entry(struct packed_git *p, off_t obj_offset,
+void *unpack_entry(struct repository *r, struct packed_git *p, off_t obj_offset,
enum object_type *final_type, unsigned long *final_size)
{
struct pack_window *w_curs = NULL;
@@ -1501,11 +1527,11 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
struct revindex_entry *revidx = find_pack_revindex(p, obj_offset);
off_t len = revidx[1].offset - obj_offset;
if (check_pack_crc(p, &w_curs, obj_offset, len, revidx->nr)) {
- const unsigned char *sha1 =
- nth_packed_object_sha1(p, revidx->nr);
+ struct object_id oid;
+ nth_packed_object_oid(&oid, p, revidx->nr);
error("bad packed object CRC for %s",
- sha1_to_hex(sha1));
- mark_bad_packed_object(p, sha1);
+ oid_to_hex(&oid));
+ mark_bad_packed_object(p, oid.hash);
data = NULL;
goto out;
}
@@ -1548,7 +1574,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
case OBJ_OFS_DELTA:
case OBJ_REF_DELTA:
if (data)
- die("BUG: unpack_entry: left loop at a valid delta");
+ BUG("unpack_entry: left loop at a valid delta");
break;
case OBJ_COMMIT:
case OBJ_TREE:
@@ -1588,16 +1614,16 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
* of a corrupted pack, and is better than failing outright.
*/
struct revindex_entry *revidx;
- const unsigned char *base_sha1;
+ struct object_id base_oid;
revidx = find_pack_revindex(p, obj_offset);
if (revidx) {
- base_sha1 = nth_packed_object_sha1(p, revidx->nr);
+ nth_packed_object_oid(&base_oid, p, revidx->nr);
error("failed to read delta base object %s"
" at offset %"PRIuMAX" from %s",
- sha1_to_hex(base_sha1), (uintmax_t)obj_offset,
+ oid_to_hex(&base_oid), (uintmax_t)obj_offset,
p->pack_name);
- mark_bad_packed_object(p, base_sha1);
- base = read_object(base_sha1, &type, &base_size);
+ mark_bad_packed_object(p, base_oid.hash);
+ base = read_object(r, &base_oid, &type, &base_size);
external_base = base;
}
}
@@ -1654,10 +1680,35 @@ out:
return data;
}
+int bsearch_pack(const struct object_id *oid, const struct packed_git *p, uint32_t *result)
+{
+ const unsigned char *index_fanout = p->index_data;
+ const unsigned char *index_lookup;
+ const unsigned int hashsz = the_hash_algo->rawsz;
+ int index_lookup_width;
+
+ if (!index_fanout)
+ BUG("bsearch_pack called without a valid pack-index");
+
+ index_lookup = index_fanout + 4 * 256;
+ if (p->index_version == 1) {
+ index_lookup_width = hashsz + 4;
+ index_lookup += 4;
+ } else {
+ index_lookup_width = hashsz;
+ index_fanout += 8;
+ index_lookup += 8;
+ }
+
+ return bsearch_hash(oid->hash, (const uint32_t*)index_fanout,
+ index_lookup, index_lookup_width, result);
+}
+
const unsigned char *nth_packed_object_sha1(struct packed_git *p,
uint32_t n)
{
const unsigned char *index = p->index_data;
+ const unsigned int hashsz = the_hash_algo->rawsz;
if (!index) {
if (open_pack_index(p))
return NULL;
@@ -1667,10 +1718,10 @@ const unsigned char *nth_packed_object_sha1(struct packed_git *p,
return NULL;
index += 4 * 256;
if (p->index_version == 1) {
- return index + 24 * n + 4;
+ return index + (hashsz + 4) * n + 4;
} else {
index += 8;
- return index + 20 * n;
+ return index + hashsz * n;
}
}
@@ -1702,12 +1753,13 @@ void check_pack_index_ptr(const struct packed_git *p, const void *vptr)
off_t nth_packed_object_offset(const struct packed_git *p, uint32_t n)
{
const unsigned char *index = p->index_data;
+ const unsigned int hashsz = the_hash_algo->rawsz;
index += 4 * 256;
if (p->index_version == 1) {
- return ntohl(*((uint32_t *)(index + 24 * n)));
+ return ntohl(*((uint32_t *)(index + (hashsz + 4) * n)));
} else {
uint32_t off;
- index += 8 + p->num_objects * (20 + 4);
+ index += 8 + p->num_objects * (hashsz + 4);
off = ntohl(*((uint32_t *)(index + 4 * n)));
if (!(off & 0x80000000))
return off;
@@ -1720,30 +1772,17 @@ off_t nth_packed_object_offset(const struct packed_git *p, uint32_t n)
off_t find_pack_entry_one(const unsigned char *sha1,
struct packed_git *p)
{
- const uint32_t *level1_ofs = p->index_data;
const unsigned char *index = p->index_data;
- unsigned stride;
+ struct object_id oid;
uint32_t result;
if (!index) {
if (open_pack_index(p))
return 0;
- level1_ofs = p->index_data;
- index = p->index_data;
- }
- if (p->index_version > 1) {
- level1_ofs += 2;
- index += 8;
- }
- index += 4 * 256;
- if (p->index_version > 1) {
- stride = 20;
- } else {
- stride = 24;
- index += 4;
}
- if (bsearch_hash(sha1, level1_ofs, index, stride, &result))
+ hashcpy(oid.hash, sha1);
+ if (bsearch_pack(&oid, p, &result))
return nth_packed_object_offset(p, result);
return 0;
}
@@ -1782,7 +1821,7 @@ struct packed_git *find_sha1_pack(const unsigned char *sha1,
}
-static int fill_pack_entry(const unsigned char *sha1,
+static int fill_pack_entry(const struct object_id *oid,
struct pack_entry *e,
struct packed_git *p)
{
@@ -1791,11 +1830,12 @@ static int fill_pack_entry(const unsigned char *sha1,
if (p->num_bad_objects) {
unsigned i;
for (i = 0; i < p->num_bad_objects; i++)
- if (!hashcmp(sha1, p->bad_object_sha1 + 20 * i))
+ if (!hashcmp(oid->hash,
+ p->bad_object_sha1 + the_hash_algo->rawsz * i))
return 0;
}
- offset = find_pack_entry_one(sha1, p);
+ offset = find_pack_entry_one(oid->hash, p);
if (!offset)
return 0;
@@ -1810,36 +1850,31 @@ static int fill_pack_entry(const unsigned char *sha1,
return 0;
e->offset = offset;
e->p = p;
- hashcpy(e->sha1, sha1);
return 1;
}
-/*
- * Iff a pack file contains the object named by sha1, return true and
- * store its location to e.
- */
-int find_pack_entry(const unsigned char *sha1, struct pack_entry *e)
+int find_pack_entry(struct repository *r, const struct object_id *oid, struct pack_entry *e)
{
struct list_head *pos;
- prepare_packed_git();
- if (!packed_git)
+ prepare_packed_git(r);
+ if (!r->objects->packed_git)
return 0;
- list_for_each(pos, &packed_git_mru) {
+ list_for_each(pos, &r->objects->packed_git_mru) {
struct packed_git *p = list_entry(pos, struct packed_git, mru);
- if (fill_pack_entry(sha1, e, p)) {
- list_move(&p->mru, &packed_git_mru);
+ if (fill_pack_entry(oid, e, p)) {
+ list_move(&p->mru, &r->objects->packed_git_mru);
return 1;
}
}
return 0;
}
-int has_sha1_pack(const unsigned char *sha1)
+int has_object_pack(const struct object_id *oid)
{
struct pack_entry e;
- return find_pack_entry(sha1, &e);
+ return find_pack_entry(the_repository, oid, &e);
}
int has_pack_index(const unsigned char *sha1)
@@ -1850,7 +1885,7 @@ int has_pack_index(const unsigned char *sha1)
return 1;
}
-static int for_each_object_in_pack(struct packed_git *p, each_packed_object_fn cb, void *data)
+int for_each_object_in_pack(struct packed_git *p, each_packed_object_fn cb, void *data)
{
uint32_t i;
int r = 0;
@@ -1875,8 +1910,8 @@ int for_each_packed_object(each_packed_object_fn cb, void *data, unsigned flags)
int r = 0;
int pack_errors = 0;
- prepare_packed_git();
- for (p = packed_git; p; p = p->next) {
+ prepare_packed_git(the_repository);
+ for (p = the_repository->objects->packed_git; p; p = p->next) {
if ((flags & FOR_EACH_OBJECT_LOCAL_ONLY) && !p->pack_local)
continue;
if ((flags & FOR_EACH_OBJECT_PROMISOR_ONLY) &&
@@ -1907,7 +1942,7 @@ static int add_promisor_object(const struct object_id *oid,
/*
* If this is a tree, commit, or tag, the objects it refers
- * to are also promisor objects. (Blobs refer to no objects.)
+ * to are also promisor objects. (Blobs refer to no objects->)
*/
if (obj->type == OBJ_TREE) {
struct tree *tree = (struct tree *)obj;
@@ -1925,7 +1960,7 @@ static int add_promisor_object(const struct object_id *oid,
struct commit *commit = (struct commit *) obj;
struct commit_list *parents = commit->parents;
- oidset_insert(set, &commit->tree->object.oid);
+ oidset_insert(set, get_commit_tree_oid(commit));
for (; parents; parents = parents->next)
oidset_insert(set, &parents->item->object.oid);
} else if (obj->type == OBJ_TAG) {