Use SPDX-License-Identifier consistently

This replaces all of the Apache blurbs at the start of each file with an
`# SPDX-License-Identifier: Apache-2.0` string. It also fixes existing
uses to be consistent in capitalization, and to be placed above any
copyright notices.

This removes nearly 3000 lines of boilerplate from the project (only
python files), which no developer cares to look at.

SPDX is in common use, particularly in the Linux kernel, and is the
recommended format for Meson's own `project(license: )` field

14 files changed, 14 insertions, 154 deletions

diff --git a/mesonbuild/templates/cpptemplates.py b/mesonbuild/templates/cpptemplates.py
index d3d29d3cb..70e4dd42b 100644
--- a/mesonbuild/templates/cpptemplates.py
+++ b/mesonbuild/templates/cpptemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import FileHeaderImpl
diff --git a/mesonbuild/templates/cstemplates.py b/mesonbuild/templates/cstemplates.py
index d2d5ec9f3..4b16b7265 100644
--- a/mesonbuild/templates/cstemplates.py
+++ b/mesonbuild/templates/cstemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import ClassImpl
diff --git a/mesonbuild/templates/ctemplates.py b/mesonbuild/templates/ctemplates.py
index 14eeaf789..d7616054a 100644
--- a/mesonbuild/templates/ctemplates.py
+++ b/mesonbuild/templates/ctemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import FileHeaderImpl
diff --git a/mesonbuild/templates/cudatemplates.py b/mesonbuild/templates/cudatemplates.py
index f59d79aeb..12eefa5a8 100644
--- a/mesonbuild/templates/cudatemplates.py
+++ b/mesonbuild/templates/cudatemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import FileHeaderImpl
diff --git a/mesonbuild/templates/dlangtemplates.py b/mesonbuild/templates/dlangtemplates.py
index 6a8a0710c..2e9a32915 100644
--- a/mesonbuild/templates/dlangtemplates.py
+++ b/mesonbuild/templates/dlangtemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import FileImpl
diff --git a/mesonbuild/templates/fortrantemplates.py b/mesonbuild/templates/fortrantemplates.py
index 8895e321e..9ac001564 100644
--- a/mesonbuild/templates/fortrantemplates.py
+++ b/mesonbuild/templates/fortrantemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import FileImpl
diff --git a/mesonbuild/templates/javatemplates.py b/mesonbuild/templates/javatemplates.py
index 4163ffd32..e229d7add 100644
--- a/mesonbuild/templates/javatemplates.py
+++ b/mesonbuild/templates/javatemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import ClassImpl
diff --git a/mesonbuild/templates/mesontemplates.py b/mesonbuild/templates/mesontemplates.py
index bc059fa08..db553c09d 100644
--- a/mesonbuild/templates/mesontemplates.py
+++ b/mesonbuild/templates/mesontemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 import typing as T
diff --git a/mesonbuild/templates/objcpptemplates.py b/mesonbuild/templates/objcpptemplates.py
index a1021656c..33bff2d79 100644
--- a/mesonbuild/templates/objcpptemplates.py
+++ b/mesonbuild/templates/objcpptemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import FileHeaderImpl
diff --git a/mesonbuild/templates/objctemplates.py b/mesonbuild/templates/objctemplates.py
index 4e31beb8d..8f46d91fd 100644
--- a/mesonbuild/templates/objctemplates.py
+++ b/mesonbuild/templates/objctemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import FileHeaderImpl
diff --git a/mesonbuild/templates/rusttemplates.py b/mesonbuild/templates/rusttemplates.py
index 26548b837..5bb7e4c19 100644
--- a/mesonbuild/templates/rusttemplates.py
+++ b/mesonbuild/templates/rusttemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 import typing as T
diff --git a/mesonbuild/templates/samplefactory.py b/mesonbuild/templates/samplefactory.py
index 8e200e200..0083c614a 100644
--- a/mesonbuild/templates/samplefactory.py
+++ b/mesonbuild/templates/samplefactory.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 import typing as T
diff --git a/mesonbuild/templates/sampleimpl.py b/mesonbuild/templates/sampleimpl.py
index e34cad771..570a370b8 100644
--- a/mesonbuild/templates/sampleimpl.py
+++ b/mesonbuild/templates/sampleimpl.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 import abc
diff --git a/mesonbuild/templates/valatemplates.py b/mesonbuild/templates/valatemplates.py
index aa82de73f..1520de0a7 100644
--- a/mesonbuild/templates/valatemplates.py
+++ b/mesonbuild/templates/valatemplates.py
@@ -1,16 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 # Copyright 2019 The Meson development team
 
-# 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
-
-# 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.
 from __future__ import annotations
 
 from mesonbuild.templates.sampleimpl import FileImpl