// Copyright 2026 The Jujutsu Authors//// Licensed under the Apache License, Version 2.0 (the "License");// you may not use this file except in compliance with the License.// You may obtain a copy of the License at//// https://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software// distributed under the License is distributed on an "AS IS" BASIS,// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.// See the License for the specific language governing permissions and// limitations under the License. //! The core library powering the Jujutsu Version Control System. It contains//! all "base" types such as `Commit` and the `Backend` trait. #![warn(missing_docs)]#![forbid(unsafe_code)]#![deny(unused_must_use)] // Needed so that proc macros can be used inside jj_core and by external crates// that depend on it.//// See:// - https://github.com/rust-lang/rust/issues/54647#issuecomment-432015102// - https://github.com/rust-lang/rust/issues/54363extern crate self as jj_core; pub mod conflict_labels;pub mod content_hash;pub mod dag_walk;pub mod dag_walk_async;pub mod diff;pub mod file_util;pub mod graph;pub mod hex_util;pub mod matchers;pub mod merge;pub mod object_id;pub mod ref_name;pub mod repo_path;pub mod str_util;pub mod symbol_util; #[cfg(test)]#[cfg_attr(coverage_nightly, coverage(off))]mod tests {    use tempfile::TempDir;     // Copied from `testutils::TestResult` to remove dependency cycle.    pub type TestResult<T = ()> = eyre::Result<T>;     /// Unlike `testutils::new_temp_dir()`, this function doesn't set up    /// hermetic Git environment.    pub fn new_temp_dir() -> TempDir {        tempfile::Builder::new()            .prefix("jj-test-")            .tempdir()            .unwrap()    }}