int git_blob_create_fromchunks(
git_oid *oid,
git_repository *repo,
const char *hintpath,
int (*source_cb)(char *content, size_t max_length, void *payload),
void *payload)
{
int error;
char *content = NULL;
git_filebuf file = GIT_FILEBUF_INIT;
git_buf path = GIT_BUF_INIT;
assert(oid && repo && source_cb);
if ((error = git_buf_joinpath(
&path, git_repository_path(repo), GIT_OBJECTS_DIR "streamed")) < 0)
goto cleanup;
content = git__malloc(BUFFER_SIZE);
GITERR_CHECK_ALLOC(content);
if ((error = git_filebuf_open(
&file, git_buf_cstr(&path), GIT_FILEBUF_TEMPORARY, 0666)) < 0)
goto cleanup;
while (1) {
int read_bytes = source_cb(content, BUFFER_SIZE, payload);
if (!read_bytes)
break;
if (read_bytes > BUFFER_SIZE) {
giterr_set(GITERR_OBJECT, "Invalid chunk size while creating blob");
error = GIT_EBUFS;
} else if (read_bytes < 0) {
error = giterr_set_after_callback(read_bytes);
} else {
error = git_filebuf_write(&file, content, read_bytes);
}
if (error < 0)
goto cleanup;
}
if ((error = git_filebuf_flush(&file)) < 0)
goto cleanup;
error = git_blob__create_from_paths(
oid, NULL, repo, file.path_lock, hintpath, 0, hintpath != NULL);
cleanup:
git_buf_free(&path);
git_filebuf_cleanup(&file);
git__free(content);
return error;
}
int git_blob_create_fromchunks(
git_oid *oid,
git_repository *repo,
const char *hintpath,
int (*source_cb)(char *content, size_t max_length, void *payload),
void *payload)
{
int error = -1, read_bytes;
char *content = NULL;
git_filebuf file = GIT_FILEBUF_INIT;
git_buf path = GIT_BUF_INIT;
if (git_buf_join_n(
&path, '/', 3,
git_repository_path(repo),
GIT_OBJECTS_DIR,
"streamed") < 0)
goto cleanup;
content = git__malloc(BUFFER_SIZE);
GITERR_CHECK_ALLOC(content);
if (git_filebuf_open(&file, git_buf_cstr(&path), GIT_FILEBUF_TEMPORARY) < 0)
goto cleanup;
while (1) {
read_bytes = source_cb(content, BUFFER_SIZE, payload);
assert(read_bytes <= BUFFER_SIZE);
if (read_bytes <= 0)
break;
if (git_filebuf_write(&file, content, read_bytes) < 0)
goto cleanup;
}
if (read_bytes < 0)
goto cleanup;
if (git_filebuf_flush(&file) < 0)
goto cleanup;
error = blob_create_internal(oid, repo, file.path_lock, hintpath, hintpath != NULL);
cleanup:
git_buf_free(&path);
git_filebuf_cleanup(&file);
git__free(content);
return error;
}
int git_blob_create_fromstream_commit(git_oid *out, git_writestream *_stream)
{
int error;
blob_writestream *stream = (blob_writestream *) _stream;
/*
* We can make this more officient by avoiding writing to
* disk, but for now let's re-use the helper functions we
* have.
*/
if ((error = git_filebuf_flush(&stream->fbuf)) < 0)
goto cleanup;
error = git_blob__create_from_paths(out, NULL, stream->repo, stream->fbuf.path_lock,
stream->hintpath, 0, !!stream->hintpath);
cleanup:
blob_writestream_free(_stream);
return error;
}