+/*
+Format of STDIN stream:
+
+ stream ::= cmd*;
+
+ cmd ::= new_blob
+ | new_commit
+ | new_tag
+ ;
+
+ new_blob ::= 'blob' lf
+ mark?
+ file_content;
+ file_content ::= data;
+
+ new_commit ::= 'commit' sp ref_str lf
+ mark?
+ ('author' sp name '<' email '>' ts tz lf)?
+ 'committer' sp name '<' email '>' ts tz lf
+ commit_msg
+ ('from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)?
+ file_change*
+ lf;
+ commit_msg ::= data;
+
+ file_change ::= 'M' sp mode sp (hexsha1 | idnum) sp path_str lf
+ | 'D' sp path_str lf
+ ;
+ mode ::= '644' | '755';
+
+ new_tag ::= 'tag' sp tag_str lf
+ 'from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf
+ 'tagger' sp name '<' email '>' ts tz lf
+ tag_msg;
+ tag_msg ::= data;
+
+ # note: the first idnum in a stream should be 1 and subsequent
+ # idnums should not have gaps between values as this will cause
+ # the stream parser to reserve space for the gapped values. An
+ # idnum can be updated in the future to a new object by issuing
+ # a new mark directive with the old idnum.
+ #
+ mark ::= 'mark' sp idnum lf;
+
+ # note: declen indicates the length of binary_data in bytes.
+ # declen does not include the lf preceeding or trailing the
+ # binary data.
+ #
+ data ::= 'data' sp declen lf
+ binary_data
+ lf;
+
+ # note: quoted strings are C-style quoting supporting \c for
+ # common escapes of 'c' (e..g \n, \t, \\, \") or \nnn where nnn
+ # is the signed byte value in octal. Note that the only
+ # characters which must actually be escaped to protect the
+ # stream formatting is: \, " and LF. Otherwise these values
+ # are UTF8.
+ #
+ ref_str ::= ref | '"' quoted(ref) '"' ;
+ sha1exp_str ::= sha1exp | '"' quoted(sha1exp) '"' ;
+ tag_str ::= tag | '"' quoted(tag) '"' ;
+ path_str ::= path | '"' quoted(path) '"' ;
+
+ declen ::= # unsigned 32 bit value, ascii base10 notation;
+ binary_data ::= # file content, not interpreted;
+
+ sp ::= # ASCII space character;
+ lf ::= # ASCII newline (LF) character;
+
+ # note: a colon (':') must precede the numerical value assigned to
+ # an idnum. This is to distinguish it from a ref or tag name as
+ # GIT does not permit ':' in ref or tag strings.
+ #
+ idnum ::= ':' declen;
+ path ::= # GIT style file path, e.g. "a/b/c";
+ ref ::= # GIT ref name, e.g. "refs/heads/MOZ_GECKO_EXPERIMENT";
+ tag ::= # GIT tag name, e.g. "FIREFOX_1_5";
+ sha1exp ::= # Any valid GIT SHA1 expression;
+ hexsha1 ::= # SHA1 in hexadecimal format;
+
+ # note: name and email are UTF8 strings, however name must not
+ # contain '<' or lf and email must not contain any of the
+ # following: '<', '>', lf.
+ #
+ name ::= # valid GIT author/committer name;
+ email ::= # valid GIT author/committer email;
+ ts ::= # time since the epoch in seconds, ascii base10 notation;
+ tz ::= # GIT style timezone;
+*/
+
#include "builtin.h"
#include "cache.h"
#include "object.h"
#include "blob.h"
+#include "tree.h"
#include "delta.h"
#include "pack.h"
+#include "refs.h"
#include "csum-file.h"
+#include "strbuf.h"
+#include "quote.h"
struct object_entry
{
struct object_entry *next;
+ enum object_type type;
unsigned long offset;
unsigned char sha1[20];
};
-struct object_entry_block
+struct object_entry_pool
{
- struct object_entry_block *next_block;
+ struct object_entry_pool *next_pool;
struct object_entry *next_free;
struct object_entry *end;
struct object_entry entries[FLEX_ARRAY]; /* more */
};
+struct mark_set
+{
+ int shift;
+ union {
+ struct object_entry *marked[1024];
+ struct mark_set *sets[1024];
+ } data;
+};
+
struct last_object
{
void *data;
- unsigned long len;
- int depth;
+ unsigned int len;
+ unsigned int depth;
+ unsigned char sha1[20];
+};
+
+struct mem_pool
+{
+ struct mem_pool *next_pool;
+ char *next_free;
+ char *end;
+ char space[FLEX_ARRAY]; /* more */
+};
+
+struct atom_str
+{
+ struct atom_str *next_atom;
+ int str_len;
+ char str_dat[FLEX_ARRAY]; /* more */
+};
+
+struct tree_content;
+struct tree_entry
+{
+ struct tree_content *tree;
+ struct atom_str* name;
+ unsigned int mode;
+ unsigned char sha1[20];
+};
+
+struct tree_content
+{
+ unsigned int entry_capacity; /* must match avail_tree_content */
+ unsigned int entry_count;
+ struct tree_entry *entries[FLEX_ARRAY]; /* more */
+};
+
+struct avail_tree_content
+{
+ unsigned int entry_capacity; /* must match tree_content */
+ struct avail_tree_content *next_avail;
+};
+
+struct branch
+{
+ struct branch *table_next_branch;
+ struct branch *active_next_branch;
+ const char *name;
+ unsigned long last_commit;
+ struct tree_entry branch_tree;
unsigned char sha1[20];
};
-/* Stats and misc. counters. */
-static int max_depth = 10;
+struct tag
+{
+ struct tag *next_tag;
+ const char *name;
+ unsigned char sha1[20];
+};
+
+
+/* Stats and misc. counters */
+static unsigned long max_depth = 10;
static unsigned long alloc_count;
+static unsigned long branch_count;
+static unsigned long branch_load_count;
+static unsigned long remap_count;
static unsigned long object_count;
static unsigned long duplicate_count;
+static unsigned long marks_set_count;
+static unsigned long object_count_by_type[9];
+static unsigned long duplicate_count_by_type[9];
+
+/* Memory pools */
+static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool);
+static size_t total_allocd;
+static struct mem_pool *mem_pool;
+
+/* Atom management */
+static unsigned int atom_table_sz = 4451;
+static unsigned int atom_cnt;
+static struct atom_str **atom_table;
-/* The .pack file */
+/* The .pack file being generated */
static int pack_fd;
-static unsigned long pack_offset;
+static unsigned long pack_size;
static unsigned char pack_sha1[20];
+static void* pack_base;
+static size_t pack_mlen;
/* Table of objects we've written. */
-struct object_entry_block *blocks;
-struct object_entry *object_table[1 << 16];
+static unsigned int object_entry_alloc = 1000;
+static struct object_entry_pool *blocks;
+static struct object_entry *object_table[1 << 16];
+static struct mark_set *marks;
/* Our last blob */
-struct last_object last_blob;
+static struct last_object last_blob;
+
+/* Tree management */
+static unsigned int tree_entry_alloc = 1000;
+static void *avail_tree_entry;
+static unsigned int avail_tree_table_sz = 100;
+static struct avail_tree_content **avail_tree_table;
+
+/* Branch data */
+static unsigned long max_active_branches = 5;
+static unsigned long cur_active_branches;
+static unsigned long branch_table_sz = 1039;
+static struct branch **branch_table;
+static struct branch *active_branches;
+
+/* Tag data */
+static struct tag *first_tag;
+static struct tag *last_tag;
+
+/* Input stream parsing */
+static struct strbuf command_buf;
+static unsigned long next_mark;
+
static void alloc_objects(int cnt)
{
- struct object_entry_block *b;
+ struct object_entry_pool *b;
- b = xmalloc(sizeof(struct object_entry_block)
+ b = xmalloc(sizeof(struct object_entry_pool)
+ cnt * sizeof(struct object_entry));
- b->next_block = blocks;
+ b->next_pool = blocks;
b->next_free = b->entries;
b->end = b->entries + cnt;
blocks = b;
struct object_entry *e;
if (blocks->next_free == blocks->end)
- alloc_objects(1000);
+ alloc_objects(object_entry_alloc);
e = blocks->next_free++;
memcpy(e->sha1, sha1, sizeof(e->sha1));
return e;
}
+static struct object_entry* find_object(unsigned char *sha1)
+{
+ unsigned int h = sha1[0] << 8 | sha1[1];
+ struct object_entry *e;
+ for (e = object_table[h]; e; e = e->next)
+ if (!memcmp(sha1, e->sha1, sizeof(e->sha1)))
+ return e;
+ return NULL;
+}
+
static struct object_entry* insert_object(unsigned char *sha1)
{
unsigned int h = sha1[0] << 8 | sha1[1];
struct object_entry *e = object_table[h];
- struct object_entry *p = 0;
+ struct object_entry *p = NULL;
while (e) {
if (!memcmp(sha1, e->sha1, sizeof(e->sha1)))
}
e = new_object(sha1);
- e->next = 0;
+ e->next = NULL;
e->offset = 0;
if (p)
p->next = e;
return e;
}
-static ssize_t yread(int fd, void *buffer, size_t length)
+static unsigned int hc_str(const char *s, size_t len)
+{
+ unsigned int r = 0;
+ while (len-- > 0)
+ r = r * 31 + *s++;
+ return r;
+}
+
+static void* pool_alloc(size_t len)
+{
+ struct mem_pool *p;
+ void *r;
+
+ for (p = mem_pool; p; p = p->next_pool)
+ if ((p->end - p->next_free >= len))
+ break;
+
+ if (!p) {
+ if (len >= (mem_pool_alloc/2)) {
+ total_allocd += len;
+ return xmalloc(len);
+ }
+ total_allocd += sizeof(struct mem_pool) + mem_pool_alloc;
+ p = xmalloc(sizeof(struct mem_pool) + mem_pool_alloc);
+ p->next_pool = mem_pool;
+ p->next_free = p->space;
+ p->end = p->next_free + mem_pool_alloc;
+ mem_pool = p;
+ }
+
+ r = p->next_free;
+ /* round out to a pointer alignment */
+ if (len & (sizeof(void*) - 1))
+ len += sizeof(void*) - (len & (sizeof(void*) - 1));
+ p->next_free += len;
+ return r;
+}
+
+static void* pool_calloc(size_t count, size_t size)
+{
+ size_t len = count * size;
+ void *r = pool_alloc(len);
+ memset(r, 0, len);
+ return r;
+}
+
+static char* pool_strdup(const char *s)
+{
+ char *r = pool_alloc(strlen(s) + 1);
+ strcpy(r, s);
+ return r;
+}
+
+static void insert_mark(unsigned long idnum, struct object_entry *oe)
+{
+ struct mark_set *s = marks;
+ while ((idnum >> s->shift) >= 1024) {
+ s = pool_calloc(1, sizeof(struct mark_set));
+ s->shift = marks->shift + 10;
+ s->data.sets[0] = marks;
+ marks = s;
+ }
+ while (s->shift) {
+ unsigned long i = idnum >> s->shift;
+ idnum -= i << s->shift;
+ if (!s->data.sets[i]) {
+ s->data.sets[i] = pool_calloc(1, sizeof(struct mark_set));
+ s->data.sets[i]->shift = s->shift - 10;
+ }
+ s = s->data.sets[i];
+ }
+ if (!s->data.marked[idnum])
+ marks_set_count++;
+ s->data.marked[idnum] = oe;
+}
+
+static struct object_entry* find_mark(unsigned long idnum)
+{
+ unsigned long orig_idnum = idnum;
+ struct mark_set *s = marks;
+ struct object_entry *oe = NULL;
+ if ((idnum >> s->shift) < 1024) {
+ while (s && s->shift) {
+ unsigned long i = idnum >> s->shift;
+ idnum -= i << s->shift;
+ s = s->data.sets[i];
+ }
+ if (s)
+ oe = s->data.marked[idnum];
+ }
+ if (!oe)
+ die("mark :%lu not declared", orig_idnum);
+ return oe;
+}
+
+static struct atom_str* to_atom(const char *s, size_t len)
+{
+ unsigned int hc = hc_str(s, len) % atom_table_sz;
+ struct atom_str *c;
+
+ for (c = atom_table[hc]; c; c = c->next_atom)
+ if (c->str_len == len && !strncmp(s, c->str_dat, len))
+ return c;
+
+ c = pool_alloc(sizeof(struct atom_str) + len + 1);
+ c->str_len = len;
+ strncpy(c->str_dat, s, len);
+ c->str_dat[len] = 0;
+ c->next_atom = atom_table[hc];
+ atom_table[hc] = c;
+ atom_cnt++;
+ return c;
+}
+
+static struct branch* lookup_branch(const char *name)
+{
+ unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz;
+ struct branch *b;
+
+ for (b = branch_table[hc]; b; b = b->table_next_branch)
+ if (!strcmp(name, b->name))
+ return b;
+ return NULL;
+}
+
+static struct branch* new_branch(const char *name)
+{
+ unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz;
+ struct branch* b = lookup_branch(name);
+
+ if (b)
+ die("Invalid attempt to create duplicate branch: %s", name);
+ if (check_ref_format(name))
+ die("Branch name doesn't conform to GIT standards: %s", name);
+
+ b = pool_calloc(1, sizeof(struct branch));
+ b->name = pool_strdup(name);
+ b->table_next_branch = branch_table[hc];
+ branch_table[hc] = b;
+ branch_count++;
+ return b;
+}
+
+static unsigned int hc_entries(unsigned int cnt)
+{
+ cnt = cnt & 7 ? (cnt / 8) + 1 : cnt / 8;
+ return cnt < avail_tree_table_sz ? cnt : avail_tree_table_sz - 1;
+}
+
+static struct tree_content* new_tree_content(unsigned int cnt)
+{
+ struct avail_tree_content *f, *l = NULL;
+ struct tree_content *t;
+ unsigned int hc = hc_entries(cnt);
+
+ for (f = avail_tree_table[hc]; f; l = f, f = f->next_avail)
+ if (f->entry_capacity >= cnt)
+ break;
+
+ if (f) {
+ if (l)
+ l->next_avail = f->next_avail;
+ else
+ avail_tree_table[hc] = f->next_avail;
+ } else {
+ cnt = cnt & 7 ? ((cnt / 8) + 1) * 8 : cnt;
+ f = pool_alloc(sizeof(*t) + sizeof(t->entries[0]) * cnt);
+ f->entry_capacity = cnt;
+ }
+
+ t = (struct tree_content*)f;
+ t->entry_count = 0;
+ return t;
+}
+
+static void release_tree_entry(struct tree_entry *e);
+static void release_tree_content(struct tree_content *t)
+{
+ struct avail_tree_content *f = (struct avail_tree_content*)t;
+ unsigned int hc = hc_entries(f->entry_capacity);
+ f->next_avail = avail_tree_table[hc];
+ avail_tree_table[hc] = f;
+}
+
+static void release_tree_content_recursive(struct tree_content *t)
+{
+ unsigned int i;
+ for (i = 0; i < t->entry_count; i++)
+ release_tree_entry(t->entries[i]);
+ release_tree_content(t);
+}
+
+static struct tree_content* grow_tree_content(
+ struct tree_content *t,
+ int amt)
+{
+ struct tree_content *r = new_tree_content(t->entry_count + amt);
+ r->entry_count = t->entry_count;
+ memcpy(r->entries,t->entries,t->entry_count*sizeof(t->entries[0]));
+ release_tree_content(t);
+ return r;
+}
+
+static struct tree_entry* new_tree_entry()
+{
+ struct tree_entry *e;
+
+ if (!avail_tree_entry) {
+ unsigned int n = tree_entry_alloc;
+ avail_tree_entry = e = xmalloc(n * sizeof(struct tree_entry));
+ while (n--) {
+ *((void**)e) = e + 1;
+ e++;
+ }
+ }
+
+ e = avail_tree_entry;
+ avail_tree_entry = *((void**)e);
+ return e;
+}
+
+static void release_tree_entry(struct tree_entry *e)
+{
+ if (e->tree)
+ release_tree_content_recursive(e->tree);
+ *((void**)e) = avail_tree_entry;
+ avail_tree_entry = e;
+}
+
+static void yread(int fd, void *buffer, size_t length)
{
ssize_t ret = 0;
while (ret < length) {
ssize_t size = xread(fd, (char *) buffer + ret, length - ret);
- if (size < 0) {
- return size;
- }
- if (size == 0) {
- return ret;
- }
+ if (!size)
+ die("Read from descriptor %i: end of stream", fd);
+ if (size < 0)
+ die("Read from descriptor %i: %s", fd, strerror(errno));
ret += size;
}
- return ret;
}
-static ssize_t ywrite(int fd, void *buffer, size_t length)
+static void ywrite(int fd, void *buffer, size_t length)
{
ssize_t ret = 0;
while (ret < length) {
ssize_t size = xwrite(fd, (char *) buffer + ret, length - ret);
- if (size < 0) {
- return size;
- }
- if (size == 0) {
- return ret;
- }
+ if (!size)
+ die("Write to descriptor %i: end of file", fd);
+ if (size < 0)
+ die("Write to descriptor %i: %s", fd, strerror(errno));
ret += size;
}
- return ret;
}
-static unsigned long encode_header(
+static size_t encode_header(
enum object_type type,
- unsigned long size,
+ size_t size,
unsigned char *hdr)
{
int n = 1;
static int store_object(
enum object_type type,
void *dat,
- unsigned long datlen,
- struct last_object *last)
+ size_t datlen,
+ struct last_object *last,
+ unsigned char *sha1out,
+ unsigned long mark)
{
void *out, *delta;
struct object_entry *e;
SHA1_Update(&c, hdr, hdrlen);
SHA1_Update(&c, dat, datlen);
SHA1_Final(sha1, &c);
+ if (sha1out)
+ memcpy(sha1out, sha1, sizeof(sha1));
e = insert_object(sha1);
+ if (mark)
+ insert_mark(mark, e);
if (e->offset) {
duplicate_count++;
- return 0;
+ duplicate_count_by_type[type]++;
+ return 1;
}
- e->offset = pack_offset;
+ e->type = type;
+ e->offset = pack_size;
object_count++;
+ object_count_by_type[type]++;
- if (last->data && last->depth < max_depth)
+ if (last && last->data && last->depth < max_depth)
delta = diff_delta(last->data, last->len,
dat, datlen,
&deltalen, 0);
s.next_in = delta;
s.avail_in = deltalen;
hdrlen = encode_header(OBJ_DELTA, deltalen, hdr);
- if (ywrite(pack_fd, hdr, hdrlen) != hdrlen)
- die("Can't write object header: %s", strerror(errno));
- if (ywrite(pack_fd, last->sha1, sizeof(sha1)) != sizeof(sha1))
- die("Can't write object base: %s", strerror(errno));
- pack_offset += hdrlen + sizeof(sha1);
+ ywrite(pack_fd, hdr, hdrlen);
+ ywrite(pack_fd, last->sha1, sizeof(sha1));
+ pack_size += hdrlen + sizeof(sha1);
} else {
- last->depth = 0;
+ if (last)
+ last->depth = 0;
s.next_in = dat;
s.avail_in = datlen;
hdrlen = encode_header(type, datlen, hdr);
- if (ywrite(pack_fd, hdr, hdrlen) != hdrlen)
- die("Can't write object header: %s", strerror(errno));
- pack_offset += hdrlen;
+ ywrite(pack_fd, hdr, hdrlen);
+ pack_size += hdrlen;
}
s.avail_out = deflateBound(&s, s.avail_in);
/* nothing */;
deflateEnd(&s);
- if (ywrite(pack_fd, out, s.total_out) != s.total_out)
- die("Failed writing compressed data %s", strerror(errno));
- pack_offset += s.total_out;
+ ywrite(pack_fd, out, s.total_out);
+ pack_size += s.total_out;
free(out);
if (delta)
free(delta);
- if (last->data)
- free(last->data);
- last->data = dat;
- last->len = datlen;
- memcpy(last->sha1, sha1, sizeof(sha1));
+ if (last) {
+ if (last->data)
+ free(last->data);
+ last->data = dat;
+ last->len = datlen;
+ memcpy(last->sha1, sha1, sizeof(sha1));
+ }
+ return 0;
+}
+
+static void* map_pack(unsigned long offset)
+{
+ if (offset >= pack_size)
+ die("object offset outside of pack file");
+ if (offset >= pack_mlen) {
+ if (pack_base)
+ munmap(pack_base, pack_mlen);
+ /* round out how much we map to 16 MB units */
+ pack_mlen = pack_size;
+ if (pack_mlen & ((1 << 24) - 1))
+ pack_mlen = ((pack_mlen >> 24) + 1) << 24;
+ pack_base = mmap(NULL,pack_mlen,PROT_READ,MAP_SHARED,pack_fd,0);
+ if (pack_base == MAP_FAILED)
+ die("Failed to map generated pack: %s", strerror(errno));
+ remap_count++;
+ }
+ return (char*)pack_base + offset;
+}
+
+static unsigned long unpack_object_header(unsigned long offset,
+ enum object_type *type,
+ unsigned long *sizep)
+{
+ unsigned shift;
+ unsigned char c;
+ unsigned long size;
+
+ c = *(unsigned char*)map_pack(offset++);
+ *type = (c >> 4) & 7;
+ size = c & 15;
+ shift = 4;
+ while (c & 0x80) {
+ c = *(unsigned char*)map_pack(offset++);
+ size += (c & 0x7f) << shift;
+ shift += 7;
+ }
+ *sizep = size;
+ return offset;
+}
+
+static void *unpack_non_delta_entry(unsigned long o, unsigned long sz)
+{
+ z_stream stream;
+ unsigned char *result;
+
+ result = xmalloc(sz + 1);
+ result[sz] = 0;
+
+ memset(&stream, 0, sizeof(stream));
+ stream.next_in = map_pack(o);
+ stream.avail_in = pack_mlen - o;
+ stream.next_out = result;
+ stream.avail_out = sz;
+
+ inflateInit(&stream);
+ for (;;) {
+ int st = inflate(&stream, Z_FINISH);
+ if (st == Z_STREAM_END)
+ break;
+ if (st == Z_OK) {
+ o = stream.next_in - (unsigned char*)pack_base;
+ stream.next_in = map_pack(o);
+ stream.avail_in = pack_mlen - o;
+ continue;
+ }
+ die("Error from zlib during inflate.");
+ }
+ inflateEnd(&stream);
+ if (stream.total_out != sz)
+ die("Error after inflate: sizes mismatch");
+ return result;
+}
+
+static void *unpack_entry(unsigned long offset, unsigned long *sizep);
+
+static void *unpack_delta_entry(unsigned long offset,
+ unsigned long delta_size,
+ unsigned long *sizep)
+{
+ struct object_entry *base_oe;
+ unsigned char *base_sha1;
+ void *delta_data, *base, *result;
+ unsigned long base_size, result_size;
+
+ base_sha1 = (unsigned char*)map_pack(offset + 20) - 20;
+ base_oe = find_object(base_sha1);
+ if (!base_oe)
+ die("I'm broken; I can't find a base I know must be here.");
+ base = unpack_entry(base_oe->offset, &base_size);
+ delta_data = unpack_non_delta_entry(offset + 20, delta_size);
+ result = patch_delta(base, base_size,
+ delta_data, delta_size,
+ &result_size);
+ if (!result)
+ die("failed to apply delta");
+ free(delta_data);
+ free(base);
+ *sizep = result_size;
+ return result;
+}
+
+static void *unpack_entry(unsigned long offset, unsigned long *sizep)
+{
+ unsigned long size;
+ enum object_type kind;
+
+ offset = unpack_object_header(offset, &kind, &size);
+ switch (kind) {
+ case OBJ_DELTA:
+ return unpack_delta_entry(offset, size, sizep);
+ case OBJ_COMMIT:
+ case OBJ_TREE:
+ case OBJ_BLOB:
+ case OBJ_TAG:
+ *sizep = size;
+ return unpack_non_delta_entry(offset, size);
+ default:
+ die("I created an object I can't read!");
+ }
+}
+
+static const char *get_mode(const char *str, unsigned int *modep)
+{
+ unsigned char c;
+ unsigned int mode = 0;
+
+ while ((c = *str++) != ' ') {
+ if (c < '0' || c > '7')
+ return NULL;
+ mode = (mode << 3) + (c - '0');
+ }
+ *modep = mode;
+ return str;
+}
+
+static void load_tree(struct tree_entry *root)
+{
+ struct object_entry *myoe;
+ struct tree_content *t;
+ unsigned long size;
+ char *buf;
+ const char *c;
+
+ root->tree = t = new_tree_content(8);
+ if (!memcmp(root->sha1, null_sha1, 20))
+ return;
+
+ myoe = find_object(root->sha1);
+ if (myoe) {
+ if (myoe->type != OBJ_TREE)
+ die("Not a tree: %s", sha1_to_hex(root->sha1));
+ buf = unpack_entry(myoe->offset, &size);
+ } else {
+ char type[20];
+ buf = read_sha1_file(root->sha1, type, &size);
+ if (!buf || strcmp(type, tree_type))
+ die("Can't load tree %s", sha1_to_hex(root->sha1));
+ }
+
+ c = buf;
+ while (c != (buf + size)) {
+ struct tree_entry *e = new_tree_entry();
+
+ if (t->entry_count == t->entry_capacity)
+ root->tree = t = grow_tree_content(t, 8);
+ t->entries[t->entry_count++] = e;
+
+ e->tree = NULL;
+ c = get_mode(c, &e->mode);
+ if (!c)
+ die("Corrupt mode in %s", sha1_to_hex(root->sha1));
+ e->name = to_atom(c, strlen(c));
+ c += e->name->str_len + 1;
+ memcpy(e->sha1, c, sizeof(e->sha1));
+ c += 20;
+ }
+ free(buf);
+}
+
+static int tecmp (const void *_a, const void *_b)
+{
+ struct tree_entry *a = *((struct tree_entry**)_a);
+ struct tree_entry *b = *((struct tree_entry**)_b);
+ return base_name_compare(
+ a->name->str_dat, a->name->str_len, a->mode,
+ b->name->str_dat, b->name->str_len, b->mode);
+}
+
+static void store_tree(struct tree_entry *root)
+{
+ struct tree_content *t = root->tree;
+ unsigned int i;
+ size_t maxlen;
+ char *buf, *c;
+
+ if (memcmp(root->sha1, null_sha1, 20))
+ return;
+
+ maxlen = 0;
+ for (i = 0; i < t->entry_count; i++) {
+ maxlen += t->entries[i]->name->str_len + 34;
+ if (t->entries[i]->tree)
+ store_tree(t->entries[i]);
+ }
+
+ qsort(t->entries, t->entry_count, sizeof(t->entries[0]), tecmp);
+ buf = c = xmalloc(maxlen);
+ for (i = 0; i < t->entry_count; i++) {
+ struct tree_entry *e = t->entries[i];
+ c += sprintf(c, "%o", e->mode);
+ *c++ = ' ';
+ strcpy(c, e->name->str_dat);
+ c += e->name->str_len + 1;
+ memcpy(c, e->sha1, 20);
+ c += 20;
+ }
+ store_object(OBJ_TREE, buf, c - buf, NULL, root->sha1, 0);
+ free(buf);
+}
+
+static int tree_content_set(
+ struct tree_entry *root,
+ const char *p,
+ const unsigned char *sha1,
+ const unsigned int mode)
+{
+ struct tree_content *t = root->tree;
+ const char *slash1;
+ unsigned int i, n;
+ struct tree_entry *e;
+
+ slash1 = strchr(p, '/');
+ if (slash1)
+ n = slash1 - p;
+ else
+ n = strlen(p);
+
+ for (i = 0; i < t->entry_count; i++) {
+ e = t->entries[i];
+ if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) {
+ if (!slash1) {
+ if (e->mode == mode && !memcmp(e->sha1, sha1, 20))
+ return 0;
+ e->mode = mode;
+ memcpy(e->sha1, sha1, 20);
+ if (e->tree) {
+ release_tree_content_recursive(e->tree);
+ e->tree = NULL;
+ }
+ memcpy(root->sha1, null_sha1, 20);
+ return 1;
+ }
+ if (!S_ISDIR(e->mode)) {
+ e->tree = new_tree_content(8);
+ e->mode = S_IFDIR;
+ }
+ if (!e->tree)
+ load_tree(e);
+ if (tree_content_set(e, slash1 + 1, sha1, mode)) {
+ memcpy(root->sha1, null_sha1, 20);
+ return 1;
+ }
+ return 0;
+ }
+ }
+
+ if (t->entry_count == t->entry_capacity)
+ root->tree = t = grow_tree_content(t, 8);
+ e = new_tree_entry();
+ e->name = to_atom(p, n);
+ t->entries[t->entry_count++] = e;
+ if (slash1) {
+ e->tree = new_tree_content(8);
+ e->mode = S_IFDIR;
+ tree_content_set(e, slash1 + 1, sha1, mode);
+ } else {
+ e->tree = NULL;
+ e->mode = mode;
+ memcpy(e->sha1, sha1, 20);
+ }
+ memcpy(root->sha1, null_sha1, 20);
+ return 1;
+}
+
+static int tree_content_remove(struct tree_entry *root, const char *p)
+{
+ struct tree_content *t = root->tree;
+ const char *slash1;
+ unsigned int i, n;
+ struct tree_entry *e;
+
+ slash1 = strchr(p, '/');
+ if (slash1)
+ n = slash1 - p;
+ else
+ n = strlen(p);
+
+ for (i = 0; i < t->entry_count; i++) {
+ e = t->entries[i];
+ if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) {
+ if (!slash1 || !S_ISDIR(e->mode))
+ goto del_entry;
+ if (!e->tree)
+ load_tree(e);
+ if (tree_content_remove(e, slash1 + 1)) {
+ if (!e->tree->entry_count)
+ goto del_entry;
+ memcpy(root->sha1, null_sha1, 20);
+ return 1;
+ }
+ return 0;
+ }
+ }
+ return 0;
+
+del_entry:
+ for (i++; i < t->entry_count; i++)
+ t->entries[i-1] = t->entries[i];
+ t->entry_count--;
+ release_tree_entry(e);
+ memcpy(root->sha1, null_sha1, 20);
return 1;
}
static void init_pack_header()
{
- const char* magic = "PACK";
- unsigned long version = 2;
- unsigned long zero = 0;
+ struct pack_header hdr;
- version = htonl(version);
+ hdr.hdr_signature = htonl(PACK_SIGNATURE);
+ hdr.hdr_version = htonl(2);
+ hdr.hdr_entries = 0;
- if (ywrite(pack_fd, (char*)magic, 4) != 4)
- die("Can't write pack magic: %s", strerror(errno));
- if (ywrite(pack_fd, &version, 4) != 4)
- die("Can't write pack version: %s", strerror(errno));
- if (ywrite(pack_fd, &zero, 4) != 4)
- die("Can't write 0 object count: %s", strerror(errno));
- pack_offset = 4 * 3;
+ ywrite(pack_fd, &hdr, sizeof(hdr));
+ pack_size = sizeof(hdr);
}
static void fixup_header_footer()
die("Failed seeking to start: %s", strerror(errno));
SHA1_Init(&c);
- if (yread(pack_fd, hdr, 8) != 8)
- die("Failed reading header: %s", strerror(errno));
+ yread(pack_fd, hdr, 8);
SHA1_Update(&c, hdr, 8);
cnt = htonl(object_count);
SHA1_Update(&c, &cnt, 4);
- if (ywrite(pack_fd, &cnt, 4) != 4)
- die("Failed writing object count: %s", strerror(errno));
+ ywrite(pack_fd, &cnt, 4);
buf = xmalloc(128 * 1024);
for (;;) {
free(buf);
SHA1_Final(pack_sha1, &c);
- if (ywrite(pack_fd, pack_sha1, sizeof(pack_sha1)) != sizeof(pack_sha1))
- die("Failed writing pack checksum: %s", strerror(errno));
+ ywrite(pack_fd, pack_sha1, sizeof(pack_sha1));
}
static int oecmp (const void *_a, const void *_b)
struct sha1file *f;
struct object_entry **idx, **c, **last;
struct object_entry *e;
- struct object_entry_block *o;
+ struct object_entry_pool *o;
unsigned int array[256];
int i;
/* Build the sorted table of object IDs. */
idx = xmalloc(object_count * sizeof(struct object_entry*));
c = idx;
- for (o = blocks; o; o = o->next_block)
+ for (o = blocks; o; o = o->next_pool)
for (e = o->entries; e != o->next_free; e++)
*c++ = e;
last = idx + object_count;
free(idx);
}
+static void dump_branches()
+{
+ static const char *msg = "fast-import";
+ unsigned int i;
+ struct branch *b;
+ struct ref_lock *lock;
+
+ for (i = 0; i < branch_table_sz; i++) {
+ for (b = branch_table[i]; b; b = b->table_next_branch) {
+ lock = lock_any_ref_for_update(b->name, NULL, 0);
+ if (!lock || write_ref_sha1(lock, b->sha1, msg) < 0)
+ die("Can't write %s", b->name);
+ }
+ }
+}
+
+static void dump_tags()
+{
+ static const char *msg = "fast-import";
+ struct tag *t;
+ struct ref_lock *lock;
+ char path[PATH_MAX];
+
+ for (t = first_tag; t; t = t->next_tag) {
+ sprintf(path, "refs/tags/%s", t->name);
+ lock = lock_any_ref_for_update(path, NULL, 0);
+ if (!lock || write_ref_sha1(lock, t->sha1, msg) < 0)
+ die("Can't write %s", path);
+ }
+}
+
+static void read_next_command()
+{
+ read_line(&command_buf, stdin, '\n');
+}
+
+static void cmd_mark()
+{
+ if (!strncmp("mark :", command_buf.buf, 6)) {
+ next_mark = strtoul(command_buf.buf + 6, NULL, 10);
+ read_next_command();
+ }
+ else
+ next_mark = 0;
+}
+
+static void* cmd_data (size_t *size)
+{
+ size_t n = 0;
+ void *buffer;
+ size_t length;
+
+ if (strncmp("data ", command_buf.buf, 5))
+ die("Expected 'data n' command, found: %s", command_buf.buf);
+
+ length = strtoul(command_buf.buf + 5, NULL, 10);
+ buffer = xmalloc(length);
+
+ while (n < length) {
+ size_t s = fread((char*)buffer + n, 1, length - n, stdin);
+ if (!s && feof(stdin))
+ die("EOF in data (%lu bytes remaining)", length - n);
+ n += s;
+ }
+
+ if (fgetc(stdin) != '\n')
+ die("An lf did not trail the binary data as expected.");
+
+ *size = length;
+ return buffer;
+}
+
+static void cmd_new_blob()
+{
+ size_t l;
+ void *d;
+
+ read_next_command();
+ cmd_mark();
+ d = cmd_data(&l);
+
+ if (store_object(OBJ_BLOB, d, l, &last_blob, NULL, next_mark))
+ free(d);
+}
+
+static void unload_one_branch()
+{
+ while (cur_active_branches
+ && cur_active_branches >= max_active_branches) {
+ unsigned long min_commit = ULONG_MAX;
+ struct branch *e, *l = NULL, *p = NULL;
+
+ for (e = active_branches; e; e = e->active_next_branch) {
+ if (e->last_commit < min_commit) {
+ p = l;
+ min_commit = e->last_commit;
+ }
+ l = e;
+ }
+
+ if (p) {
+ e = p->active_next_branch;
+ p->active_next_branch = e->active_next_branch;
+ } else {
+ e = active_branches;
+ active_branches = e->active_next_branch;
+ }
+ e->active_next_branch = NULL;
+ if (e->branch_tree.tree) {
+ release_tree_content_recursive(e->branch_tree.tree);
+ e->branch_tree.tree = NULL;
+ }
+ cur_active_branches--;
+ }
+}
+
+static void load_branch(struct branch *b)
+{
+ load_tree(&b->branch_tree);
+ b->active_next_branch = active_branches;
+ active_branches = b;
+ cur_active_branches++;
+ branch_load_count++;
+}
+
+static void file_change_m(struct branch *b)
+{
+ const char *p = command_buf.buf + 2;
+ char *p_uq;
+ const char *endp;
+ struct object_entry *oe;
+ unsigned char sha1[20];
+ unsigned int mode;
+ char type[20];
+
+ p = get_mode(p, &mode);
+ if (!p)
+ die("Corrupt mode: %s", command_buf.buf);
+ switch (mode) {
+ case S_IFREG | 0644:
+ case S_IFREG | 0755:
+ case S_IFLNK:
+ case 0644:
+ case 0755:
+ /* ok */
+ break;
+ default:
+ die("Corrupt mode: %s", command_buf.buf);
+ }
+
+ if (*p == ':') {
+ char *x;
+ oe = find_mark(strtoul(p + 1, &x, 10));
+ p = x;
+ } else {
+ if (get_sha1_hex(p, sha1))
+ die("Invalid SHA1: %s", command_buf.buf);
+ oe = find_object(sha1);
+ p += 40;
+ }
+ if (*p++ != ' ')
+ die("Missing space after SHA1: %s", command_buf.buf);
+
+ p_uq = unquote_c_style(p, &endp);
+ if (p_uq) {
+ if (*endp)
+ die("Garbage after path in: %s", command_buf.buf);
+ p = p_uq;
+ }
+
+ if (oe) {
+ if (oe->type != OBJ_BLOB)
+ die("Not a blob (actually a %s): %s",
+ command_buf.buf, type_names[oe->type]);
+ } else {
+ if (sha1_object_info(sha1, type, NULL))
+ die("Blob not found: %s", command_buf.buf);
+ if (strcmp(blob_type, type))
+ die("Not a blob (actually a %s): %s",
+ command_buf.buf, type);
+ }
+
+ tree_content_set(&b->branch_tree, p, sha1, S_IFREG | mode);
+
+ if (p_uq)
+ free(p_uq);
+}
+
+static void file_change_d(struct branch *b)
+{
+ const char *p = command_buf.buf + 2;
+ char *p_uq;
+ const char *endp;
+
+ p_uq = unquote_c_style(p, &endp);
+ if (p_uq) {
+ if (*endp)
+ die("Garbage after path in: %s", command_buf.buf);
+ p = p_uq;
+ }
+ tree_content_remove(&b->branch_tree, p);
+ if (p_uq)
+ free(p_uq);
+}
+
+static void cmd_from(struct branch *b)
+{
+ const char *from, *endp;
+ char *str_uq;
+ struct branch *s;
+
+ if (strncmp("from ", command_buf.buf, 5))
+ return;
+
+ if (b->last_commit)
+ die("Can't reinitailize branch %s", b->name);
+
+ from = strchr(command_buf.buf, ' ') + 1;
+ str_uq = unquote_c_style(from, &endp);
+ if (str_uq) {
+ if (*endp)
+ die("Garbage after string in: %s", command_buf.buf);
+ from = str_uq;
+ }
+
+ s = lookup_branch(from);
+ if (b == s)
+ die("Can't create a branch from itself: %s", b->name);
+ else if (s) {
+ memcpy(b->sha1, s->sha1, 20);
+ memcpy(b->branch_tree.sha1, s->branch_tree.sha1, 20);
+ } else if (*from == ':') {
+ unsigned long idnum = strtoul(from + 1, NULL, 10);
+ struct object_entry *oe = find_mark(idnum);
+ unsigned long size;
+ char *buf;
+ if (oe->type != OBJ_COMMIT)
+ die("Mark :%lu not a commit", idnum);
+ memcpy(b->sha1, oe->sha1, 20);
+ buf = unpack_entry(oe->offset, &size);
+ if (!buf || size < 46)
+ die("Not a valid commit: %s", from);
+ if (memcmp("tree ", buf, 5)
+ || get_sha1_hex(buf + 5, b->branch_tree.sha1))
+ die("The commit %s is corrupt", sha1_to_hex(b->sha1));
+ free(buf);
+ } else if (!get_sha1(from, b->sha1)) {
+ if (!memcmp(b->sha1, null_sha1, 20))
+ memcpy(b->branch_tree.sha1, null_sha1, 20);
+ else {
+ unsigned long size;
+ char *buf;
+
+ buf = read_object_with_reference(b->sha1,
+ type_names[OBJ_COMMIT], &size, b->sha1);
+ if (!buf || size < 46)
+ die("Not a valid commit: %s", from);
+ if (memcmp("tree ", buf, 5)
+ || get_sha1_hex(buf + 5, b->branch_tree.sha1))
+ die("The commit %s is corrupt", sha1_to_hex(b->sha1));
+ free(buf);
+ }
+ } else
+ die("Invalid ref name or SHA1 expression: %s", from);
+
+ read_next_command();
+}
+
+static void cmd_new_commit()
+{
+ struct branch *b;
+ void *msg;
+ size_t msglen;
+ char *str_uq;
+ const char *endp;
+ char *sp;
+ char *author = NULL;
+ char *committer = NULL;
+ char *body;
+
+ /* Obtain the branch name from the rest of our command */
+ sp = strchr(command_buf.buf, ' ') + 1;
+ str_uq = unquote_c_style(sp, &endp);
+ if (str_uq) {
+ if (*endp)
+ die("Garbage after ref in: %s", command_buf.buf);
+ sp = str_uq;
+ }
+ b = lookup_branch(sp);
+ if (!b)
+ b = new_branch(sp);
+ if (str_uq)
+ free(str_uq);
+
+ read_next_command();
+ cmd_mark();
+ if (!strncmp("author ", command_buf.buf, 7)) {
+ author = strdup(command_buf.buf);
+ read_next_command();
+ }
+ if (!strncmp("committer ", command_buf.buf, 10)) {
+ committer = strdup(command_buf.buf);
+ read_next_command();
+ }
+ if (!committer)
+ die("Expected committer but didn't get one");
+ msg = cmd_data(&msglen);
+ read_next_command();
+ cmd_from(b);
+
+ /* ensure the branch is active/loaded */
+ if (!b->branch_tree.tree || !max_active_branches) {
+ unload_one_branch();
+ load_branch(b);
+ }
+
+ /* file_change* */
+ for (;;) {
+ if (1 == command_buf.len)
+ break;
+ else if (!strncmp("M ", command_buf.buf, 2))
+ file_change_m(b);
+ else if (!strncmp("D ", command_buf.buf, 2))
+ file_change_d(b);
+ else
+ die("Unsupported file_change: %s", command_buf.buf);
+ read_next_command();
+ }
+
+ /* build the tree and the commit */
+ store_tree(&b->branch_tree);
+ body = xmalloc(97 + msglen
+ + (author
+ ? strlen(author) + strlen(committer)
+ : 2 * strlen(committer)));
+ sp = body;
+ sp += sprintf(sp, "tree %s\n", sha1_to_hex(b->branch_tree.sha1));
+ if (memcmp(b->sha1, null_sha1, 20))
+ sp += sprintf(sp, "parent %s\n", sha1_to_hex(b->sha1));
+ if (author)
+ sp += sprintf(sp, "%s\n", author);
+ else
+ sp += sprintf(sp, "author %s\n", committer + 10);
+ sp += sprintf(sp, "%s\n\n", committer);
+ memcpy(sp, msg, msglen);
+ sp += msglen;
+ if (author)
+ free(author);
+ free(committer);
+ free(msg);
+
+ store_object(OBJ_COMMIT, body, sp - body, NULL, b->sha1, next_mark);
+ free(body);
+ b->last_commit = object_count_by_type[OBJ_COMMIT];
+}
+
+static void cmd_new_tag()
+{
+ char *str_uq;
+ const char *endp;
+ char *sp;
+ const char *from;
+ char *tagger;
+ struct branch *s;
+ void *msg;
+ size_t msglen;
+ char *body;
+ struct tag *t;
+ unsigned char sha1[20];
+
+ /* Obtain the new tag name from the rest of our command */
+ sp = strchr(command_buf.buf, ' ') + 1;
+ str_uq = unquote_c_style(sp, &endp);
+ if (str_uq) {
+ if (*endp)
+ die("Garbage after tag name in: %s", command_buf.buf);
+ sp = str_uq;
+ }
+ t = pool_alloc(sizeof(struct tag));
+ t->next_tag = NULL;
+ t->name = pool_strdup(sp);
+ if (last_tag)
+ last_tag->next_tag = t;
+ else
+ first_tag = t;
+ last_tag = t;
+ if (str_uq)
+ free(str_uq);
+ read_next_command();
+
+ /* from ... */
+ if (strncmp("from ", command_buf.buf, 5))
+ die("Expected from command, got %s", command_buf.buf);
+
+ from = strchr(command_buf.buf, ' ') + 1;
+ str_uq = unquote_c_style(from, &endp);
+ if (str_uq) {
+ if (*endp)
+ die("Garbage after string in: %s", command_buf.buf);
+ from = str_uq;
+ }
+
+ s = lookup_branch(from);
+ if (s) {
+ memcpy(sha1, s->sha1, 20);
+ } else if (*from == ':') {
+ unsigned long idnum = strtoul(from + 1, NULL, 10);
+ struct object_entry *oe = find_mark(idnum);
+ if (oe->type != OBJ_COMMIT)
+ die("Mark :%lu not a commit", idnum);
+ memcpy(sha1, oe->sha1, 20);
+ } else if (!get_sha1(from, sha1)) {
+ unsigned long size;
+ char *buf;
+
+ buf = read_object_with_reference(sha1,
+ type_names[OBJ_COMMIT], &size, sha1);
+ if (!buf || size < 46)
+ die("Not a valid commit: %s", from);
+ free(buf);
+ } else
+ die("Invalid ref name or SHA1 expression: %s", from);
+
+ if (str_uq)
+ free(str_uq);
+ read_next_command();
+
+ /* tagger ... */
+ if (strncmp("tagger ", command_buf.buf, 7))
+ die("Expected tagger command, got %s", command_buf.buf);
+ tagger = strdup(command_buf.buf);
+
+ /* tag payload/message */
+ read_next_command();
+ msg = cmd_data(&msglen);
+
+ /* build the tag object */
+ body = xmalloc(67 + strlen(t->name) + strlen(tagger) + msglen);
+ sp = body;
+ sp += sprintf(sp, "object %s\n", sha1_to_hex(sha1));
+ sp += sprintf(sp, "type %s\n", type_names[OBJ_COMMIT]);
+ sp += sprintf(sp, "tag %s\n", t->name);
+ sp += sprintf(sp, "%s\n\n", tagger);
+ memcpy(sp, msg, msglen);
+ sp += msglen;
+ free(tagger);
+ free(msg);
+
+ store_object(OBJ_TAG, body, sp - body, NULL, t->sha1, 0);
+ free(body);
+}
+
+static const char fast_import_usage[] =
+"git-fast-import [--objects=n] [--depth=n] [--active-branches=n] temp.pack";
+
int main(int argc, const char **argv)
{
- const char *base_name = argv[1];
- int est_obj_cnt = atoi(argv[2]);
+ const char *base_name;
+ int i;
+ unsigned long est_obj_cnt = 1000;
char *pack_name;
char *idx_name;
+ struct stat sb;
+
+ setup_ident();
+ git_config(git_default_config);
+
+ for (i = 1; i < argc; i++) {
+ const char *a = argv[i];
+
+ if (*a != '-' || !strcmp(a, "--"))
+ break;
+ else if (!strncmp(a, "--objects=", 10))
+ est_obj_cnt = strtoul(a + 10, NULL, 0);
+ else if (!strncmp(a, "--depth=", 8))
+ max_depth = strtoul(a + 8, NULL, 0);
+ else if (!strncmp(a, "--active-branches=", 18))
+ max_active_branches = strtoul(a + 18, NULL, 0);
+ else
+ die("unknown option %s", a);
+ }
+ if ((i+1) != argc)
+ usage(fast_import_usage);
+ base_name = argv[i];
pack_name = xmalloc(strlen(base_name) + 6);
sprintf(pack_name, "%s.pack", base_name);
pack_fd = open(pack_name, O_RDWR|O_CREAT|O_EXCL, 0666);
if (pack_fd < 0)
- die("Can't create pack file %s: %s", pack_name, strerror(errno));
+ die("Can't create %s: %s", pack_name, strerror(errno));
- alloc_objects(est_obj_cnt);
init_pack_header();
- for (;;) {
- unsigned long datlen;
- void *dat;
+ alloc_objects(est_obj_cnt);
+ strbuf_init(&command_buf);
- if (yread(0, &datlen, 4) != 4)
- break;
+ atom_table = xcalloc(atom_table_sz, sizeof(struct atom_str*));
+ branch_table = xcalloc(branch_table_sz, sizeof(struct branch*));
+ avail_tree_table = xcalloc(avail_tree_table_sz, sizeof(struct avail_tree_content*));
+ marks = pool_calloc(1, sizeof(struct mark_set));
- dat = xmalloc(datlen);
- if (yread(0, dat, datlen) != datlen)
+ for (;;) {
+ read_next_command();
+ if (command_buf.eof)
break;
-
- if (!store_object(OBJ_BLOB, dat, datlen, &last_blob))
- free(dat);
+ else if (!strcmp("blob", command_buf.buf))
+ cmd_new_blob();
+ else if (!strncmp("commit ", command_buf.buf, 7))
+ cmd_new_commit();
+ else if (!strncmp("tag ", command_buf.buf, 4))
+ cmd_new_tag();
+ else
+ die("Unsupported command: %s", command_buf.buf);
}
+
fixup_header_footer();
close(pack_fd);
write_index(idx_name);
+ dump_branches();
+ dump_tags();
+
+ fprintf(stderr, "%s statistics:\n", argv[0]);
+ fprintf(stderr, "---------------------------------------------------\n");
+ fprintf(stderr, "Alloc'd objects: %10lu (%10lu overflow )\n", alloc_count, alloc_count - est_obj_cnt);
+ fprintf(stderr, "Total objects: %10lu (%10lu duplicates)\n", object_count, duplicate_count);
+ fprintf(stderr, " blobs : %10lu (%10lu duplicates)\n", object_count_by_type[OBJ_BLOB], duplicate_count_by_type[OBJ_BLOB]);
+ fprintf(stderr, " trees : %10lu (%10lu duplicates)\n", object_count_by_type[OBJ_TREE], duplicate_count_by_type[OBJ_TREE]);
+ fprintf(stderr, " commits: %10lu (%10lu duplicates)\n", object_count_by_type[OBJ_COMMIT], duplicate_count_by_type[OBJ_COMMIT]);
+ fprintf(stderr, " tags : %10lu (%10lu duplicates)\n", object_count_by_type[OBJ_TAG], duplicate_count_by_type[OBJ_TAG]);
+ fprintf(stderr, "Total branches: %10lu (%10lu loads )\n", branch_count, branch_load_count);
+ fprintf(stderr, " marks: %10u (%10lu unique )\n", (1 << marks->shift) * 1024, marks_set_count);
+ fprintf(stderr, " atoms: %10u\n", atom_cnt);
+ fprintf(stderr, "Memory total: %10lu KiB\n", (total_allocd + alloc_count*sizeof(struct object_entry))/1024);
+ fprintf(stderr, " pools: %10lu KiB\n", total_allocd/1024);
+ fprintf(stderr, " objects: %10lu KiB\n", (alloc_count*sizeof(struct object_entry))/1024);
+ fprintf(stderr, "Pack remaps: %10lu\n", remap_count);
+ fprintf(stderr, "---------------------------------------------------\n");
+
+ stat(pack_name, &sb);
+ fprintf(stderr, "Pack size: %10lu KiB\n", (unsigned long)(sb.st_size/1024));
+ stat(idx_name, &sb);
+ fprintf(stderr, "Index size: %10lu KiB\n", (unsigned long)(sb.st_size/1024));
- fprintf(stderr, "%lu objects, %lu duplicates, %lu allocated (%lu overflow)\n",
- object_count, duplicate_count, alloc_count, alloc_count - est_obj_cnt);
+ fprintf(stderr, "\n");
return 0;
}