git_SHA1_Init(&ctx->sha1);
}
+static void git_hash_sha1_clone(git_hash_ctx *dst, const git_hash_ctx *src)
+{
+ git_SHA1_Clone(&dst->sha1, &src->sha1);
+}
+
static void git_hash_sha1_update(git_hash_ctx *ctx, const void *data, size_t len)
{
git_SHA1_Update(&ctx->sha1, data, len);
git_SHA256_Init(&ctx->sha256);
}
+static void git_hash_sha256_clone(git_hash_ctx *dst, const git_hash_ctx *src)
+{
+ git_SHA256_Clone(&dst->sha256, &src->sha256);
+}
+
static void git_hash_sha256_update(git_hash_ctx *ctx, const void *data, size_t len)
{
git_SHA256_Update(&ctx->sha256, data, len);
BUG("trying to init unknown hash");
}
+static void git_hash_unknown_clone(git_hash_ctx *dst, const git_hash_ctx *src)
+{
+ BUG("trying to clone unknown hash");
+}
+
static void git_hash_unknown_update(git_hash_ctx *ctx, const void *data, size_t len)
{
BUG("trying to update unknown hash");
0,
0,
git_hash_unknown_init,
+ git_hash_unknown_clone,
git_hash_unknown_update,
git_hash_unknown_final,
NULL,
GIT_SHA1_HEXSZ,
GIT_SHA1_BLKSZ,
git_hash_sha1_init,
+ git_hash_sha1_clone,
git_hash_sha1_update,
git_hash_sha1_final,
&empty_tree_oid,
GIT_SHA256_HEXSZ,
GIT_SHA256_BLKSZ,
git_hash_sha256_init,
+ git_hash_sha256_clone,
git_hash_sha256_update,
git_hash_sha256_final,
&empty_tree_oid_sha256,
return adjust_shared_perm(path);
}
-enum scld_error safe_create_leading_directories(char *path)
+static enum scld_error safe_create_leading_directories_1(char *path, int share)
{
char *next_component = path + offset_1st_component(path);
enum scld_error ret = SCLD_OK;
ret = SCLD_VANISHED;
else
ret = SCLD_FAILED;
- } else if (adjust_shared_perm(path)) {
+ } else if (share && adjust_shared_perm(path)) {
ret = SCLD_PERMS;
}
*slash = slash_character;
return ret;
}
+enum scld_error safe_create_leading_directories(char *path)
+{
+ return safe_create_leading_directories_1(path, 1);
+}
+
+enum scld_error safe_create_leading_directories_no_share(char *path)
+{
+ return safe_create_leading_directories_1(path, 0);
+}
+
enum scld_error safe_create_leading_directories_const(const char *path)
{
int save_errno;
char *compute_alternate_path(const char *path, struct strbuf *err)
{
char *ref_git = NULL;
- const char *repo, *ref_git_s;
+ const char *repo;
int seen_error = 0;
- ref_git_s = real_path_if_valid(path);
- if (!ref_git_s) {
+ ref_git = real_pathdup(path, 0);
+ if (!ref_git) {
seen_error = 1;
strbuf_addf(err, _("path '%s' does not exist"), path);
goto out;
- } else
- /*
- * Beware: read_gitfile(), real_path() and mkpath()
- * return static buffer
- */
- ref_git = xstrdup(ref_git_s);
+ }
repo = read_gitfile(ref_git);
if (!repo)
if (!git_config_get_value("core.alternateRefsCommand", &value)) {
cmd->use_shell = 1;
- argv_array_push(&cmd->args, value);
- argv_array_push(&cmd->args, repo_path);
+ strvec_push(&cmd->args, value);
+ strvec_push(&cmd->args, repo_path);
} else {
cmd->git_cmd = 1;
- argv_array_pushf(&cmd->args, "--git-dir=%s", repo_path);
- argv_array_push(&cmd->args, "for-each-ref");
- argv_array_push(&cmd->args, "--format=%(objectname)");
+ strvec_pushf(&cmd->args, "--git-dir=%s", repo_path);
+ strvec_push(&cmd->args, "for-each-ref");
+ strvec_push(&cmd->args, "--format=%(objectname)");
if (!git_config_get_value("core.alternateRefsPrefixes", &value)) {
- argv_array_push(&cmd->args, "--");
- argv_array_split(&cmd->args, value);
+ strvec_push(&cmd->args, "--");
+ strvec_split(&cmd->args, value);
}
}
/* Returns 1 if we have successfully freshened the file, 0 otherwise. */
static int freshen_file(const char *fn)
{
- struct utimbuf t;
- t.actime = t.modtime = time(NULL);
- return !utime(fn, &t);
+ return !utime(fn, NULL);
}
/*
* With "map" == NULL, try reading the object named with "oid" using
* the streaming interface and rehash it to do the same.
*/
-int check_object_signature(const struct object_id *oid, void *map,
- unsigned long size, const char *type)
+int check_object_signature(struct repository *r, const struct object_id *oid,
+ void *map, unsigned long size, const char *type)
{
struct object_id real_oid;
enum object_type obj_type;
int hdrlen;
if (map) {
- hash_object_file(map, size, type, &real_oid);
+ hash_object_file(r->hash_algo, map, size, type, &real_oid);
return !oideq(oid, &real_oid) ? -1 : 0;
}
- st = open_istream(oid, &obj_type, &size, NULL);
+ st = open_istream(r, oid, &obj_type, &size, NULL);
if (!st)
return -1;
hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %"PRIuMAX , type_name(obj_type), (uintmax_t)size) + 1;
/* Sha1.. */
- the_hash_algo->init_fn(&c);
- the_hash_algo->update_fn(&c, hdr, hdrlen);
+ r->hash_algo->init_fn(&c);
+ r->hash_algo->update_fn(&c, hdr, hdrlen);
for (;;) {
char buf[1024 * 16];
ssize_t readlen = read_istream(st, buf, sizeof(buf));
}
if (!readlen)
break;
- the_hash_algo->update_fn(&c, buf, readlen);
+ r->hash_algo->update_fn(&c, buf, readlen);
}
- the_hash_algo->final_fn(real_oid.hash, &c);
+ r->hash_algo->final_fn(real_oid.hash, &c);
close_istream(st);
return !oideq(oid, &real_oid) ? -1 : 0;
}
unsigned char *map, unsigned long mapsize,
void *buffer, unsigned long bufsiz)
{
+ int ret;
+
/* Get the data stream */
memset(stream, 0, sizeof(*stream));
stream->next_in = map;
stream->avail_out = bufsiz;
git_inflate_init(stream);
- return git_inflate(stream, 0);
+ obj_read_unlock();
+ ret = git_inflate(stream, 0);
+ obj_read_lock();
+
+ return ret;
}
int unpack_loose_header(git_zstream *stream,
stream->avail_out = bufsiz;
do {
+ obj_read_unlock();
status = git_inflate(stream, 0);
+ obj_read_lock();
strbuf_add(header, buffer, stream->next_out - (unsigned char *)buffer);
if (memchr(buffer, '\0', stream->next_out - (unsigned char *)buffer))
return 0;
*/
stream->next_out = buf + bytes;
stream->avail_out = size - bytes;
- while (status == Z_OK)
+ while (status == Z_OK) {
+ obj_read_unlock();
status = git_inflate(stream, Z_FINISH);
+ obj_read_lock();
+ }
}
if (status == Z_STREAM_END && !stream->avail_in) {
git_inflate_end(stream);
struct strbuf hdrbuf = STRBUF_INIT;
unsigned long size_scratch;
- if (oi->delta_base_sha1)
- hashclr(oi->delta_base_sha1);
+ if (oi->delta_base_oid)
+ oidclr(oi->delta_base_oid);
/*
* If we don't care about type or size, then we don't
return (status < 0) ? status : 0;
}
+int obj_read_use_lock = 0;
+pthread_mutex_t obj_read_mutex;
+
+void enable_obj_read_lock(void)
+{
+ if (obj_read_use_lock)
+ return;
+
+ obj_read_use_lock = 1;
+ init_recursive_mutex(&obj_read_mutex);
+}
+
+void disable_obj_read_lock(void)
+{
+ if (!obj_read_use_lock)
+ return;
+
+ obj_read_use_lock = 0;
+ pthread_mutex_destroy(&obj_read_mutex);
+}
+
int fetch_if_missing = 1;
-int oid_object_info_extended(struct repository *r, const struct object_id *oid,
- struct object_info *oi, unsigned flags)
+static int do_oid_object_info_extended(struct repository *r,
+ const struct object_id *oid,
+ struct object_info *oi, unsigned flags)
{
static struct object_info blank_oi = OBJECT_INFO_INIT;
struct cached_object *co;
const struct object_id *real = oid;
int already_retried = 0;
+
if (flags & OBJECT_INFO_LOOKUP_REPLACE)
real = lookup_replace_object(r, oid);
*(oi->sizep) = co->size;
if (oi->disk_sizep)
*(oi->disk_sizep) = 0;
- if (oi->delta_base_sha1)
- hashclr(oi->delta_base_sha1);
+ if (oi->delta_base_oid)
+ oidclr(oi->delta_base_oid);
if (oi->type_name)
strbuf_addstr(oi->type_name, type_name(co->type));
if (oi->contentp)
rtype = packed_object_info(r, e.p, e.offset, oi);
if (rtype < 0) {
mark_bad_packed_object(e.p, real->hash);
- return oid_object_info_extended(r, real, oi, 0);
+ return do_oid_object_info_extended(r, real, oi, 0);
} else if (oi->whence == OI_PACKED) {
oi->u.packed.offset = e.offset;
oi->u.packed.pack = e.p;
return 0;
}
+int oid_object_info_extended(struct repository *r, const struct object_id *oid,
+ struct object_info *oi, unsigned flags)
+{
+ int ret;
+ obj_read_lock();
+ ret = do_oid_object_info_extended(r, oid, oi, flags);
+ obj_read_unlock();
+ return ret;
+}
+
+
/* returns enum object_type or negative */
int oid_object_info(struct repository *r,
const struct object_id *oid,
{
struct cached_object *co;
- hash_object_file(buf, len, type_name(type), oid);
- if (has_object_file(oid) || find_cached_object(oid))
+ hash_object_file(the_hash_algo, buf, len, type_name(type), oid);
+ if (has_object_file_with_flags(oid, OBJECT_INFO_QUICK | OBJECT_INFO_SKIP_FETCH_OBJECT) ||
+ find_cached_object(oid))
return 0;
ALLOC_GROW(cached_objects, cached_object_nr + 1, cached_object_alloc);
co = &cached_objects[cached_object_nr++];
if (data)
return data;
+ obj_read_lock();
if (errno && errno != ENOENT)
die_errno(_("failed to read object %s"), oid_to_hex(oid));
if ((p = has_packed_and_bad(r, repl->hash)) != NULL)
die(_("packed object %s (stored in %s) is corrupt"),
oid_to_hex(repl), p->pack_name);
+ obj_read_unlock();
return NULL;
}
}
}
-static void write_object_file_prepare(const void *buf, unsigned long len,
+static void write_object_file_prepare(const struct git_hash_algo *algo,
+ const void *buf, unsigned long len,
const char *type, struct object_id *oid,
char *hdr, int *hdrlen)
{
*hdrlen = xsnprintf(hdr, *hdrlen, "%s %"PRIuMAX , type, (uintmax_t)len)+1;
/* Sha1.. */
- the_hash_algo->init_fn(&c);
- the_hash_algo->update_fn(&c, hdr, *hdrlen);
- the_hash_algo->update_fn(&c, buf, len);
- the_hash_algo->final_fn(oid->hash, &c);
+ algo->init_fn(&c);
+ algo->update_fn(&c, hdr, *hdrlen);
+ algo->update_fn(&c, buf, len);
+ algo->final_fn(oid->hash, &c);
}
/*
return 0;
}
-int hash_object_file(const void *buf, unsigned long len, const char *type,
+int hash_object_file(const struct git_hash_algo *algo, const void *buf,
+ unsigned long len, const char *type,
struct object_id *oid)
{
char hdr[MAX_HEADER_LEN];
int hdrlen = sizeof(hdr);
- write_object_file_prepare(buf, len, type, oid, hdr, &hdrlen);
+ write_object_file_prepare(algo, buf, len, type, oid, hdr, &hdrlen);
return 0;
}
/* Normally if we have it in the pack then we do not bother writing
* it out into .git/objects/??/?{38} file.
*/
- write_object_file_prepare(buf, len, type, oid, hdr, &hdrlen);
+ write_object_file_prepare(the_hash_algo, buf, len, type, oid, hdr,
+ &hdrlen);
if (freshen_packed_object(oid) || freshen_loose_object(oid))
return 0;
return write_loose_object(oid, hdr, hdrlen, buf, len, 0);
/* type string, SP, %lu of the length plus NUL must fit this */
hdrlen = strlen(type) + MAX_HEADER_LEN;
header = xmalloc(hdrlen);
- write_object_file_prepare(buf, len, type, oid, header, &hdrlen);
+ write_object_file_prepare(the_hash_algo, buf, len, type, oid, header,
+ &hdrlen);
if (!(flags & HASH_WRITE_OBJECT))
goto cleanup;
return ret;
}
+int has_object(struct repository *r, const struct object_id *oid,
+ unsigned flags)
+{
+ int quick = !(flags & HAS_OBJECT_RECHECK_PACKED);
+ unsigned object_info_flags = OBJECT_INFO_SKIP_FETCH_OBJECT |
+ (quick ? OBJECT_INFO_QUICK : 0);
+
+ if (!startup_info->have_repository)
+ return 0;
+ return oid_object_info_extended(r, oid, NULL, object_info_flags) >= 0;
+}
+
int repo_has_object_file_with_flags(struct repository *r,
const struct object_id *oid, int flags)
{
if (write_object)
ret = write_object_file(buf, size, type_name(type), oid);
else
- ret = hash_object_file(buf, size, type_name(type), oid);
+ ret = hash_object_file(the_hash_algo, buf, size,
+ type_name(type), oid);
if (re_allocated)
free(buf);
return ret;
ret = write_object_file(sbuf.buf, sbuf.len, type_name(OBJ_BLOB),
oid);
else
- ret = hash_object_file(sbuf.buf, sbuf.len, type_name(OBJ_BLOB),
- oid);
+ ret = hash_object_file(the_hash_algo, sbuf.buf, sbuf.len,
+ type_name(OBJ_BLOB), oid);
strbuf_release(&sbuf);
return ret;
}
if (strbuf_readlink(&sb, path, st->st_size))
return error_errno("readlink(\"%s\")", path);
if (!(flags & HASH_WRITE_OBJECT))
- hash_object_file(sb.buf, sb.len, blob_type, oid);
+ hash_object_file(the_hash_algo, sb.buf, sb.len,
+ blob_type, oid);
else if (write_object_file(sb.buf, sb.len, blob_type, oid))
rc = error(_("%s: failed to insert into database"), path);
strbuf_release(&sb);
git_inflate_end(&stream);
goto out;
}
- if (check_object_signature(expected_oid, *contents,
- *size, type_name(*type))) {
+ if (check_object_signature(the_repository, expected_oid,
+ *contents, *size,
+ type_name(*type))) {
error(_("hash mismatch for %s (expected %s)"), path,
oid_to_hex(expected_oid));
free(*contents);
projects / platform / upstream / git.git / blobdiff