builtin/reset: convert use of EMPTY_TREE_SHA1_BIN
[gitweb.git] / builtin / pack-objects.c
index a197926eaa697b45d4583cd4bea71f4a3059960e..f0145236135e9857eb2015de8764cb88781a5fd9 100644 (file)
@@ -1,5 +1,6 @@
 #include "builtin.h"
 #include "cache.h"
+#include "repository.h"
 #include "config.h"
 #include "attr.h"
 #include "object.h"
@@ -28,6 +29,7 @@
 #include "argv-array.h"
 #include "list.h"
 #include "packfile.h"
+#include "object-store.h"
 
 static const char *pack_usage[] = {
        N_("git pack-objects --stdout [<options>...] [< <ref-list> | < <object-list>]"),
@@ -122,11 +124,10 @@ static void *get_delta(struct object_entry *entry)
        void *buf, *base_buf, *delta_buf;
        enum object_type type;
 
-       buf = read_sha1_file(entry->idx.oid.hash, &type, &size);
+       buf = read_object_file(&entry->idx.oid, &type, &size);
        if (!buf)
                die("unable to read %s", oid_to_hex(&entry->idx.oid));
-       base_buf = read_sha1_file(entry->delta->idx.oid.hash, &type,
-                                 &base_size);
+       base_buf = read_object_file(&entry->delta->idx.oid, &type, &base_size);
        if (!base_buf)
                die("unable to read %s",
                    oid_to_hex(&entry->delta->idx.oid));
@@ -263,15 +264,15 @@ static unsigned long write_no_reuse_object(struct hashfile *f, struct object_ent
        enum object_type type;
        void *buf;
        struct git_istream *st = NULL;
+       const unsigned hashsz = the_hash_algo->rawsz;
 
        if (!usable_delta) {
                if (entry->type == OBJ_BLOB &&
                    entry->size > big_file_threshold &&
-                   (st = open_istream(entry->idx.oid.hash, &type, &size, NULL)) != NULL)
+                   (st = open_istream(&entry->idx.oid, &type, &size, NULL)) != NULL)
                        buf = NULL;
                else {
-                       buf = read_sha1_file(entry->idx.oid.hash, &type,
-                                            &size);
+                       buf = read_object_file(&entry->idx.oid, &type, &size);
                        if (!buf)
                                die(_("unable to read %s"),
                                    oid_to_hex(&entry->idx.oid));
@@ -320,7 +321,7 @@ static unsigned long write_no_reuse_object(struct hashfile *f, struct object_ent
                dheader[pos] = ofs & 127;
                while (ofs >>= 7)
                        dheader[--pos] = 128 | (--ofs & 127);
-               if (limit && hdrlen + sizeof(dheader) - pos + datalen + 20 >= limit) {
+               if (limit && hdrlen + sizeof(dheader) - pos + datalen + hashsz >= limit) {
                        if (st)
                                close_istream(st);
                        free(buf);
@@ -332,19 +333,19 @@ static unsigned long write_no_reuse_object(struct hashfile *f, struct object_ent
        } else if (type == OBJ_REF_DELTA) {
                /*
                 * Deltas with a base reference contain
-                * an additional 20 bytes for the base sha1.
+                * additional bytes for the base object ID.
                 */
-               if (limit && hdrlen + 20 + datalen + 20 >= limit) {
+               if (limit && hdrlen + hashsz + datalen + hashsz >= limit) {
                        if (st)
                                close_istream(st);
                        free(buf);
                        return 0;
                }
                hashwrite(f, header, hdrlen);
-               hashwrite(f, entry->delta->idx.oid.hash, 20);
-               hdrlen += 20;
+               hashwrite(f, entry->delta->idx.oid.hash, hashsz);
+               hdrlen += hashsz;
        } else {
-               if (limit && hdrlen + datalen + 20 >= limit) {
+               if (limit && hdrlen + datalen + hashsz >= limit) {
                        if (st)
                                close_istream(st);
                        free(buf);
@@ -376,6 +377,7 @@ static off_t write_reuse_object(struct hashfile *f, struct object_entry *entry,
        unsigned char header[MAX_PACK_OBJECT_HEADER],
                      dheader[MAX_PACK_OBJECT_HEADER];
        unsigned hdrlen;
+       const unsigned hashsz = the_hash_algo->rawsz;
 
        if (entry->delta)
                type = (allow_ofs_delta && entry->delta->idx.offset) ?
@@ -411,7 +413,7 @@ static off_t write_reuse_object(struct hashfile *f, struct object_entry *entry,
                dheader[pos] = ofs & 127;
                while (ofs >>= 7)
                        dheader[--pos] = 128 | (--ofs & 127);
-               if (limit && hdrlen + sizeof(dheader) - pos + datalen + 20 >= limit) {
+               if (limit && hdrlen + sizeof(dheader) - pos + datalen + hashsz >= limit) {
                        unuse_pack(&w_curs);
                        return 0;
                }
@@ -420,16 +422,16 @@ static off_t write_reuse_object(struct hashfile *f, struct object_entry *entry,
                hdrlen += sizeof(dheader) - pos;
                reused_delta++;
        } else if (type == OBJ_REF_DELTA) {
-               if (limit && hdrlen + 20 + datalen + 20 >= limit) {
+               if (limit && hdrlen + hashsz + datalen + hashsz >= limit) {
                        unuse_pack(&w_curs);
                        return 0;
                }
                hashwrite(f, header, hdrlen);
-               hashwrite(f, entry->delta->idx.oid.hash, 20);
-               hdrlen += 20;
+               hashwrite(f, entry->delta->idx.oid.hash, hashsz);
+               hdrlen += hashsz;
                reused_delta++;
        } else {
-               if (limit && hdrlen + datalen + 20 >= limit) {
+               if (limit && hdrlen + datalen + hashsz >= limit) {
                        unuse_pack(&w_curs);
                        return 0;
                }
@@ -752,7 +754,7 @@ static off_t write_reused_pack(struct hashfile *f)
                die_errno("unable to seek in reused packfile");
 
        if (reuse_packfile_offset < 0)
-               reuse_packfile_offset = reuse_packfile->pack_size - 20;
+               reuse_packfile_offset = reuse_packfile->pack_size - the_hash_algo->rawsz;
 
        total = to_write = reuse_packfile_offset - sizeof(struct pack_header);
 
@@ -1012,7 +1014,7 @@ static int want_object_in_pack(const struct object_id *oid,
        int want;
        struct list_head *pos;
 
-       if (!exclude && local && has_loose_object_nonlocal(oid->hash))
+       if (!exclude && local && has_loose_object_nonlocal(oid))
                return 0;
 
        /*
@@ -1025,8 +1027,7 @@ static int want_object_in_pack(const struct object_id *oid,
                if (want != -1)
                        return want;
        }
-
-       list_for_each(pos, &packed_git_mru) {
+       list_for_each(pos, get_packed_git_mru(the_repository)) {
                struct packed_git *p = list_entry(pos, struct packed_git, mru);
                off_t offset;
 
@@ -1044,7 +1045,8 @@ static int want_object_in_pack(const struct object_id *oid,
                        }
                        want = want_found_object(exclude, p);
                        if (!exclude && want > 0)
-                               list_move(&p->mru, &packed_git_mru);
+                               list_move(&p->mru,
+                                         get_packed_git_mru(the_repository));
                        if (want != -1)
                                return want;
                }
@@ -1190,7 +1192,7 @@ static struct pbase_tree_cache *pbase_tree_get(const struct object_id *oid)
        /* Did not find one.  Either we got a bogus request or
         * we need to read and perhaps cache.
         */
-       data = read_sha1_file(oid->hash, &type, &size);
+       data = read_object_file(oid, &type, &size);
        if (!data)
                return NULL;
        if (type != OBJ_TREE) {
@@ -1351,7 +1353,7 @@ static void add_preferred_base(struct object_id *oid)
        if (window <= num_preferred_base++)
                return;
 
-       data = read_object_with_reference(oid->hash, tree_type, &size, tree_oid.hash);
+       data = read_object_with_reference(oid, tree_type, &size, &tree_oid);
        if (!data)
                return;
 
@@ -1438,7 +1440,7 @@ static void check_object(struct object_entry *entry)
                        if (reuse_delta && !entry->preferred_base)
                                base_ref = use_pack(p, &w_curs,
                                                entry->in_pack_offset + used, NULL);
-                       entry->in_pack_header_size = used + 20;
+                       entry->in_pack_header_size = used + the_hash_algo->rawsz;
                        break;
                case OBJ_OFS_DELTA:
                        buf = use_pack(p, &w_curs,
@@ -1516,7 +1518,7 @@ static void check_object(struct object_entry *entry)
                unuse_pack(&w_curs);
        }
 
-       entry->type = sha1_object_info(entry->idx.oid.hash, &entry->size);
+       entry->type = oid_object_info(&entry->idx.oid, &entry->size);
        /*
         * The error condition is checked in prepare_pack().  This is
         * to permit a missing preferred base object to be ignored
@@ -1578,8 +1580,7 @@ static void drop_reused_delta(struct object_entry *entry)
                 * And if that fails, the error will be recorded in entry->type
                 * and dealt with in prepare_pack().
                 */
-               entry->type = sha1_object_info(entry->idx.oid.hash,
-                                              &entry->size);
+               entry->type = oid_object_info(&entry->idx.oid, &entry->size);
        }
 }
 
@@ -1851,7 +1852,7 @@ static int try_delta(struct unpacked *trg, struct unpacked *src,
        /* Now some size filtering heuristics. */
        trg_size = trg_entry->size;
        if (!trg_entry->delta) {
-               max_size = trg_size/2 - 20;
+               max_size = trg_size/2 - the_hash_algo->rawsz;
                ref_depth = 1;
        } else {
                max_size = trg_entry->delta_size;
@@ -1871,8 +1872,7 @@ static int try_delta(struct unpacked *trg, struct unpacked *src,
        /* Load data if not already done */
        if (!trg->data) {
                read_lock();
-               trg->data = read_sha1_file(trg_entry->idx.oid.hash, &type,
-                                          &sz);
+               trg->data = read_object_file(&trg_entry->idx.oid, &type, &sz);
                read_unlock();
                if (!trg->data)
                        die("object %s cannot be read",
@@ -1885,8 +1885,7 @@ static int try_delta(struct unpacked *trg, struct unpacked *src,
        }
        if (!src->data) {
                read_lock();
-               src->data = read_sha1_file(src_entry->idx.oid.hash, &type,
-                                          &sz);
+               src->data = read_object_file(&src_entry->idx.oid, &type, &sz);
                read_unlock();
                if (!src->data) {
                        if (src_entry->preferred_base) {
@@ -2549,6 +2548,7 @@ static void read_object_list_from_stdin(void)
        }
 }
 
+/* Remember to update object flag allocation in object.h */
 #define OBJECT_ADDED (1u<<20)
 
 static void show_commit(struct commit *commit, void *data)
@@ -2673,7 +2673,7 @@ static void add_objects_in_unpacked_packs(struct rev_info *revs)
 
        memset(&in_pack, 0, sizeof(in_pack));
 
-       for (p = packed_git; p; p = p->next) {
+       for (p = get_packed_git(the_repository); p; p = p->next) {
                struct object_id oid;
                struct object *o;
 
@@ -2708,7 +2708,7 @@ static void add_objects_in_unpacked_packs(struct rev_info *revs)
 static int add_loose_object(const struct object_id *oid, const char *path,
                            void *data)
 {
-       enum object_type type = sha1_object_info(oid->hash, NULL);
+       enum object_type type = oid_object_info(oid, NULL);
 
        if (type < 0) {
                warning("loose object at %s could not be examined", path);
@@ -2736,7 +2736,8 @@ static int has_sha1_pack_kept_or_nonlocal(const struct object_id *oid)
        static struct packed_git *last_found = (void *)1;
        struct packed_git *p;
 
-       p = (last_found != (void *)1) ? last_found : packed_git;
+       p = (last_found != (void *)1) ? last_found :
+                                       get_packed_git(the_repository);
 
        while (p) {
                if ((!p->pack_local || p->pack_keep) &&
@@ -2745,7 +2746,7 @@ static int has_sha1_pack_kept_or_nonlocal(const struct object_id *oid)
                        return 1;
                }
                if (p == last_found)
-                       p = packed_git;
+                       p = get_packed_git(the_repository);
                else
                        p = p->next;
                if (p == last_found)
@@ -2781,7 +2782,7 @@ static void loosen_unused_packed_objects(struct rev_info *revs)
        uint32_t i;
        struct object_id oid;
 
-       for (p = packed_git; p; p = p->next) {
+       for (p = get_packed_git(the_repository); p; p = p->next) {
                if (!p->pack_local || p->pack_keep)
                        continue;
 
@@ -3149,10 +3150,9 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
        if (progress && all_progress_implied)
                progress = 2;
 
-       prepare_packed_git();
        if (ignore_packed_keep) {
                struct packed_git *p;
-               for (p = packed_git; p; p = p->next)
+               for (p = get_packed_git(the_repository); p; p = p->next)
                        if (p->pack_local && p->pack_keep)
                                break;
                if (!p) /* no keep-able packs found */
@@ -3165,7 +3165,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
                 * also covers non-local objects
                 */
                struct packed_git *p;
-               for (p = packed_git; p; p = p->next) {
+               for (p = get_packed_git(the_repository); p; p = p->next) {
                        if (!p->pack_local) {
                                have_non_local_packs = 1;
                                break;