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_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;
}
int git_blob_create_fromdisk(
git_oid *id, git_repository *repo, const char *path)
{
int error;
git_buf full_path = GIT_BUF_INIT;
const char *workdir, *hintpath;
if ((error = git_path_prettify(&full_path, path, NULL)) < 0) {
git_buf_dispose(&full_path);
return error;
}
hintpath = git_buf_cstr(&full_path);
workdir = git_repository_workdir(repo);
if (workdir && !git__prefixcmp(hintpath, workdir))
hintpath += strlen(workdir);
error = git_blob__create_from_paths(
id, NULL, repo, git_buf_cstr(&full_path), hintpath, 0, true);
git_buf_dispose(&full_path);
return error;
}
int git_blob_create_fromworkdir(
git_oid *id, git_repository *repo, const char *path)
{
return git_blob__create_from_paths(id, NULL, repo, NULL, path, 0, true);
}
