#include "tree-walk.h"
#include <sys/time.h>
#include <signal.h>
-#include <stdint.h>
static const char pack_usage[] = "git-pack-objects [-q] [--no-reuse-delta] [--non-empty] [--local] [--incremental] [--window=N] [--depth=N] {--stdout | base-name} < object-list";
rix->revindex = xmalloc(sizeof(unsigned long) * (num_ent + 1));
for (i = 0; i < num_ent; i++) {
- uint32_t hl = *((uint32_t *)(index + 24 * i));
+ unsigned int hl = *((unsigned int *)((char *) index + 24*i));
rix->revindex[i] = ntohl(hl);
}
/* This knows the pack format -- the 20-byte trailer
use_packed_git(p);
datalen = find_packed_object_size(p, entry->in_pack_offset);
- buf = p->pack_base + entry->in_pack_offset;
+ buf = (char *) p->pack_base + entry->in_pack_offset;
sha1write(f, buf, datalen);
unuse_packed_git(p);
hdrlen = 0; /* not really */
}
}
-struct name_path {
- struct name_path *up;
- const char *elem;
- int len;
-};
-
-#define DIRBITS 12
-
-static unsigned name_hash(struct name_path *path, const char *name)
+static unsigned name_hash(const char *name)
{
- struct name_path *p = path;
- const char *n = name + strlen(name);
- unsigned hash = 0, name_hash = 0, name_done = 0;
-
- if (n != name && n[-1] == '\n')
- n--;
- while (name <= --n) {
- unsigned char c = *n;
- if (c == '/' && !name_done) {
- name_hash = hash;
- name_done = 1;
- hash = 0;
- }
- hash = hash * 11 + c;
- }
- if (!name_done) {
- name_hash = hash;
- hash = 0;
- }
- for (p = path; p; p = p->up) {
- hash = hash * 11 + '/';
- n = p->elem + p->len;
- while (p->elem <= --n) {
- unsigned char c = *n;
- hash = hash * 11 + c;
- }
- }
+ unsigned char c;
+ unsigned hash = 0;
+
/*
- * Make sure "Makefile" and "t/Makefile" are hashed separately
- * but close enough.
+ * This effectively just creates a sortable number from the
+ * last sixteen non-whitespace characters. Last characters
+ * count "most", so things that end in ".c" sort together.
*/
- hash = (name_hash<<DIRBITS) | (hash & ((1U<<DIRBITS )-1));
+ while ((c = *name++) != 0) {
+ if (isspace(c))
+ continue;
+ hash = (hash >> 2) + (c << 24);
+ }
return hash;
}
}
static void add_pbase_object(struct tree_desc *tree,
- struct name_path *up,
const char *name,
- int cmplen)
+ int cmplen,
+ const char *fullname)
{
- while (tree->size) {
- const unsigned char *sha1;
- const char *entry_name;
- int entry_len;
- unsigned mode;
+ struct name_entry entry;
+
+ while (tree_entry(tree,&entry)) {
unsigned long size;
char type[20];
- sha1 = tree_entry_extract(tree, &entry_name, &mode);
- update_tree_entry(tree);
- entry_len = strlen(entry_name);
- if (entry_len != cmplen ||
- memcmp(entry_name, name, cmplen) ||
- !has_sha1_file(sha1) ||
- sha1_object_info(sha1, type, &size))
+ if (entry.pathlen != cmplen ||
+ memcmp(entry.path, name, cmplen) ||
+ !has_sha1_file(entry.sha1) ||
+ sha1_object_info(entry.sha1, type, &size))
continue;
if (name[cmplen] != '/') {
- unsigned hash = name_hash(up, name);
- add_object_entry(sha1, hash, 1);
+ unsigned hash = name_hash(fullname);
+ add_object_entry(entry.sha1, hash, 1);
return;
}
if (!strcmp(type, tree_type)) {
struct tree_desc sub;
- struct name_path me;
struct pbase_tree_cache *tree;
const char *down = name+cmplen+1;
int downlen = name_cmp_len(down);
- tree = pbase_tree_get(sha1);
+ tree = pbase_tree_get(entry.sha1);
if (!tree)
return;
sub.buf = tree->tree_data;
sub.size = tree->tree_size;
- me.up = up;
- me.elem = entry_name;
- me.len = entry_len;
- add_pbase_object(&sub, &me, down, downlen);
+ add_pbase_object(&sub, down, downlen, fullname);
pbase_tree_put(tree);
}
}
for (it = pbase_tree; it; it = it->next) {
if (cmplen == 0) {
- hash = name_hash(NULL, "");
+ hash = name_hash("");
add_object_entry(it->pcache.sha1, hash, 1);
}
else {
struct tree_desc tree;
tree.buf = it->pcache.tree_data;
tree.size = it->pcache.tree_size;
- add_pbase_object(&tree, NULL, name, cmplen);
+ add_pbase_object(&tree, name, cmplen, name);
}
}
}
if (src_entry->depth >= max_depth)
return 0;
- /* Now some size filtering euristics. */
+ /* Now some size filtering heuristics. */
size = trg_entry->size;
- max_size = (size/2 - 20) / (src_entry->depth + 1);
+ max_size = size/2 - 20;
+ max_size = max_size * (max_depth - src_entry->depth) / max_depth;
+ if (max_size == 0)
+ return 0;
if (trg_entry->delta && trg_entry->delta_size <= max_size)
max_size = trg_entry->delta_size-1;
src_size = src_entry->size;
local = 1;
continue;
}
+ if (!strcmp("--progress", arg)) {
+ progress = 1;
+ continue;
+ }
if (!strcmp("--incremental", arg)) {
incremental = 1;
continue;
}
if (get_sha1_hex(line, sha1))
die("expected sha1, got garbage:\n %s", line);
- hash = name_hash(NULL, line+41);
+ hash = name_hash(line+41);
add_preferred_base_object(line+41, hash);
add_object_entry(sha1, hash, 0);
}