iox-#2491 Relicense 'iceoryx_platform', 'iceoryx_hoofs', scripts, ci and git hooks

CONTRIBUTING.md

@@ -377,7 +377,13 @@ class Foo
 
 ### Header
 
-Each source file needs to have this header:
+All files are licensed as Apache-2.0. In addition, the files in
+`iceoryx_platform`, `iceoryx_hoofs`, `tools/ci`, `tools/git-hoods` and
+`tools/scripts` are licensed as Apache-2.0 or MIT.
+
+Each source file needs to have one of these header, depending on their location.
+
+Apache-2.0:
 
 ```cpp
 // Copyright (c) [YEAR OF INITIAL CONTRIBUTION] - [YEAR LAST CONTRIBUTION] by [CONTRIBUTOR]. All rights reserved.
@@ -397,6 +403,25 @@ Each source file needs to have this header:
 // SPDX-License-Identifier: Apache-2.0
 ```
 
+Apache-2.0 or MIT:
+
+```cpp
+// Copyright (c) [YEAR OF INITIAL CONTRIBUTION] - [YEAR LAST CONTRIBUTION] by [CONTRIBUTOR]. All rights reserved.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
+//
+// 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-License-Identifier: Apache-2.0 OR MIT
+```
+
 **_NOTE:_** The date is either a year or a range of years with the first and last years of the range separated by a dash.
 For example: "2004" (initial and last contribution in the same year) or "2000 - 2004". The first year is when the contents
 of the file were first created and the last year is when the contents were last modified. The years of contribution should

NOTICE.md

@@ -20,7 +20,15 @@ This program and the accompanying materials are made available under the terms
 of the Apache License, Version 2.0 which is available at
 <https://www.apache.org/licenses/LICENSE-2.0>.
 
-SPDX-License-Identifier: Apache-2.0
+> SPDX-License-Identifier: Apache-2.0
+
+Some of the files are also made available under the terms of the MIT License
+which is available at <https://opensource.org/licenses/MIT>.
+
+> SPDX-License-Identifier: Apache-2.0 OR MIT
+
+Please refer to the copyright header in each individual file for the specific
+license(s) that apply to that file.
 
 ## Source Code
 

doc/website/release-notes/iceoryx-unreleased.md

@@ -262,6 +262,10 @@
 - Document workaround for documentation in internal headers [#1293](https://github.com/eclipse-iceoryx/iceoryx/issues/1293)
 - The default branch is now `main` [#2270](https://github.com/eclipse-iceoryx/iceoryx/issues/2270)
 
+**License changes**
+
+- Relicense iceoryx_hoofs, iceoryx_platform, scripts, CI setup and git hooks from "Apache-2.0" to "Apache-2.0 or MIT" (dual license) [#2491](https://github.com/eclipse-iceoryx/iceoryx/issues/2491)
+
 **New API features:**
 
 - None
@@ -1507,6 +1511,6 @@
 
 65. The non-functional `iox::popo::Node` was removed
 
-66. add optional timeout parameter in sendRequestToRouDi 
+66. add optional timeout parameter in sendRequestToRouDi
 
 67. add timeout in terminator request

iceoryx_hoofs/BUILD.bazel

@@ -1,18 +1,17 @@
 # Copyright (c) 2022 - 2023 by Apex.AI Inc. All rights reserved.
 #
-# 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
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
+# This program and the accompanying materials are made available under the
+# terms of the Apache Software License 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+# which is available at https://opensource.org/licenses/MIT.
 #
 # 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-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: Apache-2.0 OR MIT
 
 load("@rules_cc//cc:defs.bzl", "cc_library")
 load("//bazel:configure_file.bzl", "configure_file")

iceoryx_hoofs/CMakeLists.txt

@@ -1,19 +1,18 @@
 # Copyright (c) 2019 - 2021 by Robert Bosch GmbH. All rights reserved.
 # Copyright (c) 2020 - 2023 by Apex.AI Inc. All rights reserved.
 #
-# 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
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
+# This program and the accompanying materials are made available under the
+# terms of the Apache Software License 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+# which is available at https://opensource.org/licenses/MIT.
 #
 # 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-License-Identifier: Apache-2.0
+# SPDX-License-Identifier: Apache-2.0 OR MIT
 
 cmake_minimum_required(VERSION 3.16)
 

iceoryx_hoofs/LICENSE-MIT

@@ -0,0 +1,23 @@
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

iceoryx_hoofs/buffer/include/iox/buffer_info.hpp

@@ -1,18 +1,17 @@
 // Copyright 2023, Eclipse Foundation and the iceoryx contributors. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 #ifndef IOX_HOOFS_BUFFER_BUFFER_INFO_HPP
 #define IOX_HOOFS_BUFFER_BUFFER_INFO_HPP
 

iceoryx_hoofs/buffer/include/iox/detail/stack.inl

@@ -1,18 +1,17 @@
 // Copyright (c) 2021 - 2023 by Apex.AI Inc. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 #ifndef IOX_HOOFS_BUFFER_STACK_INL
 #define IOX_HOOFS_BUFFER_STACK_INL
 

iceoryx_hoofs/buffer/include/iox/stack.hpp

@@ -1,18 +1,17 @@
 // Copyright (c) 2021 - 2022 by Apex.AI Inc. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 #ifndef IOX_HOOFS_BUFFER_STACK_HPP
 #define IOX_HOOFS_BUFFER_STACK_HPP
 

iceoryx_hoofs/cli/include/iox/cli/arguments.hpp

@@ -1,18 +1,17 @@
 // Copyright (c) 2022 by Apex.AI Inc. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 
 #ifndef IOX_HOOFS_CLI_ARGUMENTS_HPP
 #define IOX_HOOFS_CLI_ARGUMENTS_HPP

iceoryx_hoofs/cli/include/iox/cli/arguments.inl

@@ -1,18 +1,17 @@
 // Copyright (c) 2022 by Apex.AI Inc. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 
 #ifndef IOX_HOOFS_CLI_CLI_DEFINITION_INL
 #define IOX_HOOFS_CLI_CLI_DEFINITION_INL

iceoryx_hoofs/cli/include/iox/cli/command_line_parser.hpp

@@ -1,18 +1,17 @@
 // Copyright (c) 2022 by Apex.AI Inc. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 
 #ifndef IOX_HOOFS_CLI_COMMAND_PARSER_HPP
 #define IOX_HOOFS_CLI_COMMAND_PARSER_HPP

iceoryx_hoofs/cli/include/iox/cli/option.hpp

@@ -1,18 +1,17 @@
 // Copyright (c) 2022 by Apex.AI Inc. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 
 #ifndef IOX_HOOFS_CLI_OPTION_HPP
 #define IOX_HOOFS_CLI_OPTION_HPP

iceoryx_hoofs/cli/include/iox/cli/option_definition.hpp

@@ -1,18 +1,17 @@
 // Copyright (c) 2022 by Apex.AI Inc. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 
 #ifndef IOX_HOOFS_CLI_OPTION_DEFINITION_HPP
 #define IOX_HOOFS_CLI_OPTION_DEFINITION_HPP

iceoryx_hoofs/cli/include/iox/cli/option_manager.hpp

@@ -1,18 +1,17 @@
 // Copyright (c) 2022 by Apex.AI Inc. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 
 #ifndef IOX_HOOFS_CLI_OPTION_MANAGER_HPP
 #define IOX_HOOFS_CLI_OPTION_MANAGER_HPP

iceoryx_hoofs/cli/include/iox/cli/option_manager.inl

@@ -1,18 +1,17 @@
 // Copyright (c) 2022 by Apex.AI Inc. All rights reserved.
 //
-// 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
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
+// This program and the accompanying materials are made available under the
+// terms of the Apache Software License 2.0 which is available at
+// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+// which is available at https://opensource.org/licenses/MIT.
 //
 // 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-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR MIT
 
 #ifndef IOX_HOOFS_CLI_OPTION_MANAGER_INL
 #define IOX_HOOFS_CLI_OPTION_MANAGER_INL