static int write_file_stream(
git_oid *oid, git_odb *odb, const char *path, git_off_t file_size)
{
int fd, error;
char buffer[4096];
git_odb_stream *stream = NULL;
ssize_t read_len = -1, written = 0;
if ((error = git_odb_open_wstream(
&stream, odb, (size_t)file_size, GIT_OBJ_BLOB)) < 0)
return error;
if ((fd = git_futils_open_ro(path)) < 0) {
git_odb_stream_free(stream);
return -1;
}
while (!error && (read_len = p_read(fd, buffer, sizeof(buffer))) > 0) {
error = git_odb_stream_write(stream, buffer, read_len);
written += read_len;
}
p_close(fd);
if (written != file_size || read_len < 0) {
giterr_set(GITERR_OS, "Failed to read file into stream");
error = -1;
}
if (!error)
error = git_odb_stream_finalize_write(oid, stream);
git_odb_stream_free(stream);
return error;
}
int git_blob_create_frombuffer(git_oid *oid, git_repository *repo, const void *buffer, size_t len)
{
int error;
git_odb *odb;
git_odb_stream *stream;
if ((error = git_repository_odb__weakptr(&odb, repo)) < 0 ||
(error = git_odb_open_wstream(&stream, odb, len, GIT_OBJ_BLOB)) < 0)
return error;
if ((error = git_odb_stream_write(stream, buffer, len)) == 0)
error = git_odb_stream_finalize_write(oid, stream);
git_odb_stream_free(stream);
return error;
}
static void writefile(git_oid *oid)
{
static git_odb_stream *stream;
git_buf buf = GIT_BUF_INIT;
size_t i;
for (i = 0; i < 3041; i++)
cl_git_pass(git_buf_puts(&buf, "Hello, world.\n"));
cl_git_pass(git_odb_open_wstream(&stream, odb, LARGEFILE_SIZE, GIT_OBJ_BLOB));
for (i = 0; i < 126103; i++)
cl_git_pass(git_odb_stream_write(stream, buf.ptr, buf.size));
cl_git_pass(git_odb_stream_finalize_write(oid, stream));
git_odb_stream_free(stream);
git_buf_dispose(&buf);
}
PyObject *
Repository_write(Repository *self, PyObject *args)
{
int err;
git_oid oid;
git_odb *odb;
git_odb_stream* stream;
int type_id;
const char* buffer;
Py_ssize_t buflen;
git_otype type;
if (!PyArg_ParseTuple(args, "Is#", &type_id, &buffer, &buflen))
return NULL;
type = int_to_loose_object_type(type_id);
if (type == GIT_OBJ_BAD)
return PyErr_Format(PyExc_ValueError, "%d", type_id);
err = git_repository_odb(&odb, self->repo);
if (err < 0)
return Error_set(err);
err = git_odb_open_wstream(&stream, odb, buflen, type);
git_odb_free(odb);
if (err < 0)
return Error_set(err);
err = git_odb_stream_write(stream, buffer, buflen);
if (err) {
git_odb_stream_free(stream);
return Error_set(err);
}
err = git_odb_stream_finalize_write(&oid, stream);
git_odb_stream_free(stream);
if (err)
return Error_set(err);
return git_oid_to_python(&oid);
}
int git_tag_create_frombuffer(git_oid *oid, git_repository *repo, const char *buffer, int allow_ref_overwrite)
{
git_tag tag;
int error;
git_odb *odb;
git_odb_stream *stream;
git_odb_object *target_obj;
git_reference *new_ref = NULL;
git_buf ref_name = GIT_BUF_INIT;
assert(oid && buffer);
memset(&tag, 0, sizeof(tag));
if (git_repository_odb__weakptr(&odb, repo) < 0)
return -1;
/* validate the buffer */
if (tag_parse(&tag, buffer, buffer + strlen(buffer)) < 0)
return -1;
/* validate the target */
if (git_odb_read(&target_obj, odb, &tag.target) < 0)
goto on_error;
if (tag.type != target_obj->cached.type) {
giterr_set(GITERR_TAG, "The type for the given target is invalid");
goto on_error;
}
error = retrieve_tag_reference_oid(oid, &ref_name, repo, tag.tag_name);
if (error < 0 && error != GIT_ENOTFOUND)
goto on_error;
/* We don't need these objects after this */
git_signature_free(tag.tagger);
git__free(tag.tag_name);
git__free(tag.message);
git_odb_object_free(target_obj);
/** Ensure the tag name doesn't conflict with an already existing
* reference unless overwriting has explicitly been requested **/
if (error == 0 && !allow_ref_overwrite) {
giterr_set(GITERR_TAG, "Tag already exists");
return GIT_EEXISTS;
}
/* write the buffer */
if ((error = git_odb_open_wstream(
&stream, odb, strlen(buffer), GIT_OBJ_TAG)) < 0)
return error;
if (!(error = git_odb_stream_write(stream, buffer, strlen(buffer))))
error = git_odb_stream_finalize_write(oid, stream);
git_odb_stream_free(stream);
if (error < 0) {
git_buf_free(&ref_name);
return error;
}
error = git_reference_create(
&new_ref, repo, ref_name.ptr, oid, allow_ref_overwrite, NULL);
git_reference_free(new_ref);
git_buf_free(&ref_name);
return error;
on_error:
git_signature_free(tag.tagger);
git__free(tag.tag_name);
git__free(tag.message);
git_odb_object_free(target_obj);
return -1;
}
