ls-files: mark exclude options as NONEG
[gitweb.git] / builtin / pack-redundant.c
index aaa8136322244ccde5b7d6804a3bc09b0c053568..cf9a9aabd4eb2e834c08f85240bcb3d0154c3320 100644 (file)
@@ -7,7 +7,9 @@
 */
 
 #include "builtin.h"
+#include "repository.h"
 #include "packfile.h"
+#include "object-store.h"
 
 #define BLKSIZE 512
 
@@ -18,7 +20,7 @@ static int load_all_packs, verbose, alt_odb;
 
 struct llist_item {
        struct llist_item *next;
-       const unsigned char *sha1;
+       const struct object_id *oid;
 };
 static struct llist {
        struct llist_item *front;
@@ -48,17 +50,17 @@ static inline void llist_item_put(struct llist_item *item)
 
 static inline struct llist_item *llist_item_get(void)
 {
-       struct llist_item *new;
+       struct llist_item *new_item;
        if ( free_nodes ) {
-               new = free_nodes;
+               new_item = free_nodes;
                free_nodes = free_nodes->next;
        } else {
                int i = 1;
-               ALLOC_ARRAY(new, BLKSIZE);
+               ALLOC_ARRAY(new_item, BLKSIZE);
                for (; i < BLKSIZE; i++)
-                       llist_item_put(&new[i]);
+                       llist_item_put(&new_item[i]);
        }
-       return new;
+       return new_item;
 }
 
 static void llist_free(struct llist *list)
@@ -80,70 +82,70 @@ static inline void llist_init(struct llist **list)
 static struct llist * llist_copy(struct llist *list)
 {
        struct llist *ret;
-       struct llist_item *new, *old, *prev;
+       struct llist_item *new_item, *old_item, *prev;
 
        llist_init(&ret);
 
        if ((ret->size = list->size) == 0)
                return ret;
 
-       new = ret->front = llist_item_get();
-       new->sha1 = list->front->sha1;
+       new_item = ret->front = llist_item_get();
+       new_item->oid = list->front->oid;
 
-       old = list->front->next;
-       while (old) {
-               prev = new;
-               new = llist_item_get();
-               prev->next = new;
-               new->sha1 = old->sha1;
-               old = old->next;
+       old_item = list->front->next;
+       while (old_item) {
+               prev = new_item;
+               new_item = llist_item_get();
+               prev->next = new_item;
+               new_item->oid = old_item->oid;
+               old_item = old_item->next;
        }
-       new->next = NULL;
-       ret->back = new;
+       new_item->next = NULL;
+       ret->back = new_item;
 
        return ret;
 }
 
 static inline struct llist_item *llist_insert(struct llist *list,
                                              struct llist_item *after,
-                                              const unsigned char *sha1)
+                                             const struct object_id *oid)
 {
-       struct llist_item *new = llist_item_get();
-       new->sha1 = sha1;
-       new->next = NULL;
+       struct llist_item *new_item = llist_item_get();
+       new_item->oid = oid;
+       new_item->next = NULL;
 
        if (after != NULL) {
-               new->next = after->next;
-               after->next = new;
+               new_item->next = after->next;
+               after->next = new_item;
                if (after == list->back)
-                       list->back = new;
+                       list->back = new_item;
        } else {/* insert in front */
                if (list->size == 0)
-                       list->back = new;
+                       list->back = new_item;
                else
-                       new->next = list->front;
-               list->front = new;
+                       new_item->next = list->front;
+               list->front = new_item;
        }
        list->size++;
-       return new;
+       return new_item;
 }
 
 static inline struct llist_item *llist_insert_back(struct llist *list,
-                                                  const unsigned char *sha1)
+                                                  const struct object_id *oid)
 {
-       return llist_insert(list, list->back, sha1);
+       return llist_insert(list, list->back, oid);
 }
 
 static inline struct llist_item *llist_insert_sorted_unique(struct llist *list,
-                       const unsigned char *sha1, struct llist_item *hint)
+                       const struct object_id *oid, struct llist_item *hint)
 {
        struct llist_item *prev = NULL, *l;
 
        l = (hint == NULL) ? list->front : hint;
        while (l) {
-               int cmp = hashcmp(l->sha1, sha1);
+               int cmp = oidcmp(l->oid, oid);
                if (cmp > 0) { /* we insert before this entry */
-                       return llist_insert(list, prev, sha1);
+                       return llist_insert(list, prev, oid);
                }
                if (!cmp) { /* already exists */
                        return l;
@@ -152,11 +154,11 @@ static inline struct llist_item *llist_insert_sorted_unique(struct llist *list,
                l = l->next;
        }
        /* insert at the end */
-       return llist_insert_back(list, sha1);
+       return llist_insert_back(list, oid);
 }
 
 /* returns a pointer to an item in front of sha1 */
-static inline struct llist_item * llist_sorted_remove(struct llist *list, const unsigned char *sha1, struct llist_item *hint)
+static inline struct llist_item * llist_sorted_remove(struct llist *list, const struct object_id *oid, struct llist_item *hint)
 {
        struct llist_item *prev, *l;
 
@@ -164,7 +166,7 @@ static inline struct llist_item * llist_sorted_remove(struct llist *list, const
        l = (hint == NULL) ? list->front : hint;
        prev = NULL;
        while (l) {
-               int cmp = hashcmp(l->sha1, sha1);
+               int cmp = oidcmp(l->oid, oid);
                if (cmp > 0) /* not in list, since sorted */
                        return prev;
                if (!cmp) { /* found */
@@ -199,7 +201,7 @@ static void llist_sorted_difference_inplace(struct llist *A,
        b = B->front;
 
        while (b) {
-               hint = llist_sorted_remove(A, b->sha1, hint);
+               hint = llist_sorted_remove(A, b->oid, hint);
                b = b->next;
        }
 }
@@ -250,13 +252,14 @@ static void cmp_two_packs(struct pack_list *p1, struct pack_list *p2)
        unsigned long p1_off = 0, p2_off = 0, p1_step, p2_step;
        const unsigned char *p1_base, *p2_base;
        struct llist_item *p1_hint = NULL, *p2_hint = NULL;
+       const unsigned int hashsz = the_hash_algo->rawsz;
 
        p1_base = p1->pack->index_data;
        p2_base = p2->pack->index_data;
        p1_base += 256 * 4 + ((p1->pack->index_version < 2) ? 4 : 8);
        p2_base += 256 * 4 + ((p2->pack->index_version < 2) ? 4 : 8);
-       p1_step = (p1->pack->index_version < 2) ? 24 : 20;
-       p2_step = (p2->pack->index_version < 2) ? 24 : 20;
+       p1_step = hashsz + ((p1->pack->index_version < 2) ? 4 : 0);
+       p2_step = hashsz + ((p2->pack->index_version < 2) ? 4 : 0);
 
        while (p1_off < p1->pack->num_objects * p1_step &&
               p2_off < p2->pack->num_objects * p2_step)
@@ -265,9 +268,11 @@ static void cmp_two_packs(struct pack_list *p1, struct pack_list *p2)
                /* cmp ~ p1 - p2 */
                if (cmp == 0) {
                        p1_hint = llist_sorted_remove(p1->unique_objects,
-                                       p1_base + p1_off, p1_hint);
+                                       (const struct object_id *)(p1_base + p1_off),
+                                       p1_hint);
                        p2_hint = llist_sorted_remove(p2->unique_objects,
-                                       p1_base + p1_off, p2_hint);
+                                       (const struct object_id *)(p1_base + p1_off),
+                                       p2_hint);
                        p1_off += p1_step;
                        p2_off += p2_step;
                        continue;
@@ -357,13 +362,14 @@ static size_t sizeof_union(struct packed_git *p1, struct packed_git *p2)
        size_t ret = 0;
        unsigned long p1_off = 0, p2_off = 0, p1_step, p2_step;
        const unsigned char *p1_base, *p2_base;
+       const unsigned int hashsz = the_hash_algo->rawsz;
 
        p1_base = p1->index_data;
        p2_base = p2->index_data;
        p1_base += 256 * 4 + ((p1->index_version < 2) ? 4 : 8);
        p2_base += 256 * 4 + ((p2->index_version < 2) ? 4 : 8);
-       p1_step = (p1->index_version < 2) ? 24 : 20;
-       p2_step = (p2->index_version < 2) ? 24 : 20;
+       p1_step = hashsz + ((p1->index_version < 2) ? 4 : 0);
+       p2_step = hashsz + ((p2->index_version < 2) ? 4 : 0);
 
        while (p1_off < p1->num_objects * p1_step &&
               p2_off < p2->num_objects * p2_step)
@@ -497,7 +503,7 @@ static void load_all_objects(void)
                l = pl->all_objects->front;
                while (l) {
                        hint = llist_insert_sorted_unique(all_objects,
-                                                         l->sha1, hint);
+                                                         l->oid, hint);
                        l = l->next;
                }
                pl = pl->next;
@@ -556,9 +562,9 @@ static struct pack_list * add_pack(struct packed_git *p)
 
        base = p->index_data;
        base += 256 * 4 + ((p->index_version < 2) ? 4 : 8);
-       step = (p->index_version < 2) ? 24 : 20;
+       step = the_hash_algo->rawsz + ((p->index_version < 2) ? 4 : 0);
        while (off < p->num_objects * step) {
-               llist_insert_back(l.all_objects, base + off);
+               llist_insert_back(l.all_objects, (const struct object_id *)(base + off));
                off += step;
        }
        /* this list will be pruned in cmp_two_packs later */
@@ -571,7 +577,7 @@ static struct pack_list * add_pack(struct packed_git *p)
 
 static struct pack_list * add_pack_file(const char *filename)
 {
-       struct packed_git *p = packed_git;
+       struct packed_git *p = get_all_packs(the_repository);
 
        if (strlen(filename) < 40)
                die("Bad pack filename: %s", filename);
@@ -586,7 +592,7 @@ static struct pack_list * add_pack_file(const char *filename)
 
 static void load_all(void)
 {
-       struct packed_git *p = packed_git;
+       struct packed_git *p = get_all_packs(the_repository);
 
        while (p) {
                add_pack(p);
@@ -599,8 +605,8 @@ int cmd_pack_redundant(int argc, const char **argv, const char *prefix)
        int i;
        struct pack_list *min, *red, *pl;
        struct llist *ignore;
-       unsigned char *sha1;
-       char buf[42]; /* 40 byte sha1 + \n + \0 */
+       struct object_id *oid;
+       char buf[GIT_MAX_HEXSZ + 2]; /* hex hash + \n + \0 */
 
        if (argc == 2 && !strcmp(argv[1], "-h"))
                usage(pack_redundant_usage);
@@ -629,8 +635,6 @@ int cmd_pack_redundant(int argc, const char **argv, const char *prefix)
                        break;
        }
 
-       prepare_packed_git();
-
        if (load_all_packs)
                load_all();
        else
@@ -650,10 +654,10 @@ int cmd_pack_redundant(int argc, const char **argv, const char *prefix)
        llist_init(&ignore);
        if (!isatty(0)) {
                while (fgets(buf, sizeof(buf), stdin)) {
-                       sha1 = xmalloc(20);
-                       if (get_sha1_hex(buf, sha1))
-                               die("Bad sha1 on stdin: %s", buf);
-                       llist_insert_sorted_unique(ignore, sha1, NULL);
+                       oid = xmalloc(sizeof(*oid));
+                       if (get_oid_hex(buf, oid))
+                               die("Bad object ID on stdin: %s", buf);
+                       llist_insert_sorted_unique(ignore, oid, NULL);
                }
        }
        llist_sorted_difference_inplace(all_objects, ignore);