chore: replace all copyright comments with SPDX file tags

SPDX identifiers are ubiquitous, shorter, easy to remember, and easier to copy/
paste. Let's get rid of the old copyright comments and save some precious bytes.

Signed-off-by: Austin Seipp <[email protected]>

cli/build.rs

@@ -1,16 +1,5 @@
-// Copyright 2023 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::path::Path;
 use std::process::Command;

cli/examples/custom-backend/main.rs

@@ -1,16 +1,5 @@
-// Copyright 2022 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::any::Any;
 use std::io::Read;

cli/examples/custom-command/main.rs

@@ -1,16 +1,5 @@
-// Copyright 2022 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::Write as _;
 

cli/examples/custom-global-flag/main.rs

@@ -1,16 +1,5 @@
-// Copyright 2023 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::Write as _;
 

cli/examples/custom-working-copy/main.rs

@@ -1,16 +1,5 @@
-// Copyright 2023 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::any::Any;
 use std::path::{Path, PathBuf};

cli/src/cli_util.rs

@@ -1,16 +1,5 @@
-// Copyright 2022 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use core::fmt;
 use std::collections::{HashMap, HashSet};

cli/src/commands/abandon.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::Write;
 

cli/src/commands/backout.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use jj_lib::object_id::ObjectId;
 use jj_lib::rewrite::back_out_commit;

cli/src/commands/bench.rs

@@ -1,16 +1,5 @@
-// Copyright 2023 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::fmt::Debug;
 use std::io;

cli/src/commands/branch.rs

@@ -1,16 +1,5 @@
-// Copyright 2020-2023 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::collections::HashSet;
 use std::fmt;

cli/src/commands/cat.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::Write;
 

cli/src/commands/checkout.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use jj_lib::object_id::ObjectId;
 use tracing::instrument;

cli/src/commands/chmod.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use itertools::Itertools;
 use jj_lib::backend::TreeValue;

cli/src/commands/commit.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use jj_lib::object_id::ObjectId;
 use jj_lib::repo::Repo;

cli/src/commands/config.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::Write;
 

cli/src/commands/debug.rs

@@ -1,16 +1,5 @@
-// Copyright 2023 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::any::Any;
 use std::fmt::Debug;

cli/src/commands/describe.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::{self, Read, Write};
 

cli/src/commands/diff.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use jj_lib::rewrite::merge_commit_trees;
 use tracing::instrument;

cli/src/commands/diffedit.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::Write;
 

cli/src/commands/duplicate.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::Write;
 

cli/src/commands/edit.rs

@@ -1,16 +1,5 @@
-// Copyright 2020 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.
+// SPDX-FileCopyrightText: © 2020-2024 The Jujutsu Authors
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::Write;