int git_blob_create_fromstream(git_writestream **out, git_repository *repo, const char *hintpath)
{
int error;
git_buf path = GIT_BUF_INIT;
blob_writestream *stream;
assert(out && repo);
stream = git__calloc(1, sizeof(blob_writestream));
GITERR_CHECK_ALLOC(stream);
if (hintpath) {
stream->hintpath = git__strdup(hintpath);
GITERR_CHECK_ALLOC(stream->hintpath);
}
stream->repo = repo;
stream->parent.write = blob_writestream_write;
stream->parent.close = blob_writestream_close;
stream->parent.free = blob_writestream_free;
if ((error = git_repository_item_path(&path, repo, GIT_REPOSITORY_ITEM_OBJECTS)) < 0
|| (error = git_buf_joinpath(&path, path.ptr, "streamed")) < 0)
goto cleanup;
if ((error = git_filebuf_open_withsize(&stream->fbuf, git_buf_cstr(&path), GIT_FILEBUF_TEMPORARY,
0666, 2 * 1024 * 1024)) < 0)
goto cleanup;
*out = (git_writestream *) stream;
cleanup:
if (error < 0)
blob_writestream_free((git_writestream *) stream);
git_buf_dispose(&path);
return error;
}
static int clone_local_into(git_repository *repo, git_remote *remote, const git_fetch_options *fetch_opts, const git_checkout_options *co_opts, const char *branch, int link)
{
int error, flags;
git_repository *src;
git_buf src_odb = GIT_BUF_INIT, dst_odb = GIT_BUF_INIT, src_path = GIT_BUF_INIT;
git_buf reflog_message = GIT_BUF_INIT;
assert(repo && remote);
if (!git_repository_is_empty(repo)) {
git_error_set(GIT_ERROR_INVALID, "the repository is not empty");
return -1;
}
/*
* Let's figure out what path we should use for the source
* repo, if it's not rooted, the path should be relative to
* the repository's worktree/gitdir.
*/
if ((error = git_path_from_url_or_path(&src_path, git_remote_url(remote))) < 0)
return error;
/* Copy .git/objects/ from the source to the target */
if ((error = git_repository_open(&src, git_buf_cstr(&src_path))) < 0) {
git_buf_dispose(&src_path);
return error;
}
if (git_repository_item_path(&src_odb, src, GIT_REPOSITORY_ITEM_OBJECTS) < 0
|| git_repository_item_path(&dst_odb, repo, GIT_REPOSITORY_ITEM_OBJECTS) < 0) {
error = -1;
goto cleanup;
}
flags = 0;
if (can_link(git_repository_path(src), git_repository_path(repo), link))
flags |= GIT_CPDIR_LINK_FILES;
error = git_futils_cp_r(git_buf_cstr(&src_odb), git_buf_cstr(&dst_odb),
flags, GIT_OBJECT_DIR_MODE);
/*
* can_link() doesn't catch all variations, so if we hit an
* error and did want to link, let's try again without trying
* to link.
*/
if (error < 0 && link) {
flags &= ~GIT_CPDIR_LINK_FILES;
error = git_futils_cp_r(git_buf_cstr(&src_odb), git_buf_cstr(&dst_odb),
flags, GIT_OBJECT_DIR_MODE);
}
if (error < 0)
goto cleanup;
git_buf_printf(&reflog_message, "clone: from %s", git_remote_url(remote));
if ((error = git_remote_fetch(remote, NULL, fetch_opts, git_buf_cstr(&reflog_message))) != 0)
goto cleanup;
error = checkout_branch(repo, remote, co_opts, branch, git_buf_cstr(&reflog_message));
cleanup:
git_buf_dispose(&reflog_message);
git_buf_dispose(&src_path);
git_buf_dispose(&src_odb);
git_buf_dispose(&dst_odb);
git_repository_free(src);
return error;
}
