static const char pack_redundant_usage[] =
"git-pack-redundant [ --verbose ] [ --alt-odb ] < --all | <.pack filename> ...>";
-int load_all_packs = 0, verbose = 0, alt_odb = 0;
+static int load_all_packs = 0, verbose = 0, alt_odb = 0;
struct llist_item {
struct llist_item *next;
char *sha1;
};
-struct llist {
+static struct llist {
struct llist_item *front;
struct llist_item *back;
size_t size;
} *all_objects; /* all objects which must be present in local packfiles */
-struct pack_list {
+static struct pack_list {
struct pack_list *next;
struct packed_git *pack;
struct llist *unique_objects;
size_t pl_size;
};
-inline void llist_free(struct llist *list)
+static inline void llist_free(struct llist *list)
{
while((list->back = list->front)) {
list->front = list->front->next;
free(list);
}
-inline void llist_init(struct llist **list)
+static inline void llist_init(struct llist **list)
{
*list = xmalloc(sizeof(struct llist));
(*list)->front = (*list)->back = NULL;
(*list)->size = 0;
}
-struct llist * llist_copy(struct llist *list)
+static struct llist * llist_copy(struct llist *list)
{
struct llist *ret;
struct llist_item *new, *old, *prev;
return ret;
}
-inline struct llist_item * llist_insert(struct llist *list,
+static inline struct llist_item * llist_insert(struct llist *list,
struct llist_item *after, char *sha1)
{
struct llist_item *new = xmalloc(sizeof(struct llist_item));
return new;
}
-inline struct llist_item * llist_insert_back(struct llist *list, char *sha1)
+static inline struct llist_item * llist_insert_back(struct llist *list, char *sha1)
{
return llist_insert(list, list->back, sha1);
}
-inline struct llist_item * llist_insert_sorted_unique(struct llist *list,
+static inline struct llist_item * llist_insert_sorted_unique(struct llist *list,
char *sha1, struct llist_item *hint)
{
struct llist_item *prev = NULL, *l;
}
/* returns a pointer to an item in front of sha1 */
-inline struct llist_item * llist_sorted_remove(struct llist *list, char *sha1,
+static inline struct llist_item * llist_sorted_remove(struct llist *list, char *sha1,
struct llist_item *hint)
{
struct llist_item *prev, *l;
}
/* computes A\B */
-void llist_sorted_difference_inplace(struct llist *A,
+static void llist_sorted_difference_inplace(struct llist *A,
struct llist *B)
{
struct llist_item *hint, *b;
}
}
-inline struct pack_list * pack_list_insert(struct pack_list **pl,
+static inline struct pack_list * pack_list_insert(struct pack_list **pl,
struct pack_list *entry)
{
struct pack_list *p = xmalloc(sizeof(struct pack_list));
return p;
}
-inline size_t pack_list_size(struct pack_list *pl)
+static inline size_t pack_list_size(struct pack_list *pl)
{
size_t ret = 0;
while(pl) {
return ret;
}
-struct pack_list * pack_list_difference(struct pack_list *A,
+static struct pack_list * pack_list_difference(struct pack_list *A,
struct pack_list *B)
{
struct pack_list *ret, *pl;
return ret;
}
-void cmp_two_packs(struct pack_list *p1, struct pack_list *p2)
+static void cmp_two_packs(struct pack_list *p1, struct pack_list *p2)
{
int p1_off, p2_off;
void *p1_base, *p2_base;
}
}
-void pll_insert(struct pll **pll, struct pll **hint_table)
+static void pll_insert(struct pll **pll, struct pll **hint_table)
{
struct pll *prev;
int i = (*pll)->pl_size - 1;
/* all the permutations have to be free()d at the same time,
* since they refer to each other
*/
-struct pll * get_all_permutations(struct pack_list *list)
+static struct pll * get_all_permutations(struct pack_list *list)
{
struct pll *subset, *pll, *new_pll = NULL; /*silence warning*/
static struct pll **hint = NULL;
hint[0] = new_pll;
new_pll->next = NULL;
new_pll->pl = list;
+ new_pll->pl_size = 1;
return new_pll;
}
return hint[0];
}
-int is_superset(struct pack_list *pl, struct llist *list)
+static int is_superset(struct pack_list *pl, struct llist *list)
{
struct llist *diff;
return 0;
}
-size_t sizeof_union(struct packed_git *p1, struct packed_git *p2)
+static size_t sizeof_union(struct packed_git *p1, struct packed_git *p2)
{
size_t ret = 0;
int p1_off, p2_off;
}
/* another O(n^2) function ... */
-size_t get_pack_redundancy(struct pack_list *pl)
+static size_t get_pack_redundancy(struct pack_list *pl)
{
struct pack_list *subset;
+ size_t ret = 0;
if (pl == NULL)
return 0;
- size_t ret = 0;
while ((subset = pl->next)) {
while(subset) {
ret += sizeof_union(pl->pack, subset->pack);
return ret;
}
-inline size_t pack_set_bytecount(struct pack_list *pl)
+static inline size_t pack_set_bytecount(struct pack_list *pl)
{
size_t ret = 0;
while (pl) {
return ret;
}
-void minimize(struct pack_list **min)
+static void minimize(struct pack_list **min)
{
struct pack_list *pl, *unique = NULL,
*non_unique = NULL, *min_perm = NULL;
}
}
-void load_all_objects()
+static void load_all_objects(void)
{
struct pack_list *pl = local_packs;
struct llist_item *hint, *l;
}
/* this scales like O(n^2) */
-void cmp_packs()
+static void cmp_local_packs(void)
{
struct pack_list *subset, *pl = local_packs;
cmp_two_packs(pl, subset);
pl = pl->next;
}
+}
- pl = altodb_packs;
- while (pl) {
- subset = local_packs;
- while (subset) {
- llist_sorted_difference_inplace(subset->unique_objects,
- pl->all_objects);
- subset = subset->next;
+static void scan_alt_odb_packs(void)
+{
+ struct pack_list *local, *alt;
+
+ alt = altodb_packs;
+ while (alt) {
+ local = local_packs;
+ while (local) {
+ llist_sorted_difference_inplace(local->unique_objects,
+ alt->all_objects);
+ local = local->next;
}
- pl = pl->next;
+ alt = alt->next;
}
}
-struct pack_list * add_pack(struct packed_git *p)
+static struct pack_list * add_pack(struct packed_git *p)
{
struct pack_list l;
size_t off;
void *base;
+ if (!p->pack_local && !(alt_odb || verbose))
+ return NULL;
+
l.pack = p;
llist_init(&l.all_objects);
base = (void *)p->index_base;
while (off <= p->index_size - 3 * 20) {
llist_insert_back(l.all_objects, base + off);
- off+=24;
+ off += 24;
}
/* this list will be pruned in cmp_two_packs later */
l.unique_objects = llist_copy(l.all_objects);
if (p->pack_local)
return pack_list_insert(&local_packs, &l);
else
- return alt_odb ? pack_list_insert(&altodb_packs, &l) : NULL;
+ return pack_list_insert(&altodb_packs, &l);
}
-struct pack_list * add_pack_file(char *filename)
+static struct pack_list * add_pack_file(char *filename)
{
struct packed_git *p = packed_git;
die("Filename %s not found in packed_git\n", filename);
}
-void load_all()
+static void load_all(void)
{
struct packed_git *p = packed_git;
if (local_packs == NULL)
die("Zero packs found!\n");
- cmp_packs();
-
load_all_objects();
+ cmp_local_packs();
+ if (alt_odb)
+ scan_alt_odb_packs();
+
minimize(&min);
+
if (verbose) {
fprintf(stderr, "There are %lu packs available in alt-odbs.\n",
(unsigned long)pack_list_size(altodb_packs));
projects / git.git / blobdiff