copyright: make repository REUSE compliant

Add licensing and copyright information for all files in this repository. This
either happens in the file itself as a comment header or in the file
`.reuse/dep5`.

This commit also adds a Github workflow to check pull requests and adapts
copyright.pl to the changes.

Closes #8869

26 files changed, 96 insertions, 0 deletions

diff --git a/projects/README.md b/projects/README.md
index 85550fe19..a578f9aaa 100644
--- a/projects/README.md
+++ b/projects/README.md
@@ -1,3 +1,9 @@
+<!--
+Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+
+SPDX-License-Identifier: curl
+-->
+
 Building via IDE Project Files
 ==============================
 
diff --git a/projects/Windows/.gitattributes b/projects/Windows/.gitattributes
index 391fd002c..8849a710b 100644
--- a/projects/Windows/.gitattributes
+++ b/projects/Windows/.gitattributes
@@ -1 +1,5 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 *.sln eol=crlf
diff --git a/projects/Windows/.gitignore b/projects/Windows/.gitignore
index 9dc865b00..e2f943e15 100644
--- a/projects/Windows/.gitignore
+++ b/projects/Windows/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 VC*/src/*curl.vcproj.dist
 VC*/lib/*curl.vcproj.dist
 VC*/src/*curl.vcxproj.dist
diff --git a/projects/Windows/VC10/.gitignore b/projects/Windows/VC10/.gitignore
index 3e0c9cc6e..b3c0e9ed0 100644
--- a/projects/Windows/VC10/.gitignore
+++ b/projects/Windows/VC10/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.ncb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC10/lib/.gitignore b/projects/Windows/VC10/lib/.gitignore
index 60208d7e0..5a33b009b 100644
--- a/projects/Windows/VC10/lib/.gitignore
+++ b/projects/Windows/VC10/lib/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.ncb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC10/src/.gitignore b/projects/Windows/VC10/src/.gitignore
index 60208d7e0..5a33b009b 100644
--- a/projects/Windows/VC10/src/.gitignore
+++ b/projects/Windows/VC10/src/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.ncb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC11/.gitignore b/projects/Windows/VC11/.gitignore
index 3e0c9cc6e..b3c0e9ed0 100644
--- a/projects/Windows/VC11/.gitignore
+++ b/projects/Windows/VC11/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.ncb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC11/lib/.gitignore b/projects/Windows/VC11/lib/.gitignore
index 60208d7e0..5a33b009b 100644
--- a/projects/Windows/VC11/lib/.gitignore
+++ b/projects/Windows/VC11/lib/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.ncb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC11/src/.gitignore b/projects/Windows/VC11/src/.gitignore
index 60208d7e0..5a33b009b 100644
--- a/projects/Windows/VC11/src/.gitignore
+++ b/projects/Windows/VC11/src/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.ncb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC12/.gitignore b/projects/Windows/VC12/.gitignore
index 3e0c9cc6e..b3c0e9ed0 100644
--- a/projects/Windows/VC12/.gitignore
+++ b/projects/Windows/VC12/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.ncb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC12/lib/.gitignore b/projects/Windows/VC12/lib/.gitignore
index 60208d7e0..5a33b009b 100644
--- a/projects/Windows/VC12/lib/.gitignore
+++ b/projects/Windows/VC12/lib/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.ncb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC12/src/.gitignore b/projects/Windows/VC12/src/.gitignore
index 60208d7e0..5a33b009b 100644
--- a/projects/Windows/VC12/src/.gitignore
+++ b/projects/Windows/VC12/src/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.ncb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC14.10/.gitignore b/projects/Windows/VC14.10/.gitignore
index a12d4ea1a..f97107efa 100644
--- a/projects/Windows/VC14.10/.gitignore
+++ b/projects/Windows/VC14.10/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.opendb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC14.10/lib/.gitignore b/projects/Windows/VC14.10/lib/.gitignore
index 1ac1710a4..37168c357 100644
--- a/projects/Windows/VC14.10/lib/.gitignore
+++ b/projects/Windows/VC14.10/lib/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.opensdf
 /*.sdf
 /*.user
diff --git a/projects/Windows/VC14.10/src/.gitignore b/projects/Windows/VC14.10/src/.gitignore
index 1ac1710a4..37168c357 100644
--- a/projects/Windows/VC14.10/src/.gitignore
+++ b/projects/Windows/VC14.10/src/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.opensdf
 /*.sdf
 /*.user
diff --git a/projects/Windows/VC14.30/.gitignore b/projects/Windows/VC14.30/.gitignore
index a12d4ea1a..f97107efa 100644
--- a/projects/Windows/VC14.30/.gitignore
+++ b/projects/Windows/VC14.30/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.opendb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC14.30/lib/.gitignore b/projects/Windows/VC14.30/lib/.gitignore
index 1ac1710a4..37168c357 100644
--- a/projects/Windows/VC14.30/lib/.gitignore
+++ b/projects/Windows/VC14.30/lib/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.opensdf
 /*.sdf
 /*.user
diff --git a/projects/Windows/VC14.30/src/.gitignore b/projects/Windows/VC14.30/src/.gitignore
index 1ac1710a4..37168c357 100644
--- a/projects/Windows/VC14.30/src/.gitignore
+++ b/projects/Windows/VC14.30/src/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.opensdf
 /*.sdf
 /*.user
diff --git a/projects/Windows/VC14/.gitignore b/projects/Windows/VC14/.gitignore
index a12d4ea1a..f97107efa 100644
--- a/projects/Windows/VC14/.gitignore
+++ b/projects/Windows/VC14/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.opendb
 /*.opensdf
 /*.sdf
diff --git a/projects/Windows/VC14/lib/.gitignore b/projects/Windows/VC14/lib/.gitignore
index 1ac1710a4..37168c357 100644
--- a/projects/Windows/VC14/lib/.gitignore
+++ b/projects/Windows/VC14/lib/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.opensdf
 /*.sdf
 /*.user
diff --git a/projects/Windows/VC14/src/.gitignore b/projects/Windows/VC14/src/.gitignore
index 1ac1710a4..37168c357 100644
--- a/projects/Windows/VC14/src/.gitignore
+++ b/projects/Windows/VC14/src/.gitignore
@@ -1,3 +1,7 @@
+# Copyright (C) 2000 - 2022 Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# SPDX-License-Identifier: curl
+
 /*.opensdf
 /*.sdf
 /*.user
diff --git a/projects/build-openssl.bat b/projects/build-openssl.bat
index 6feac9428..36d5b14ed 100644
--- a/projects/build-openssl.bat
+++ b/projects/build-openssl.bat
@@ -18,6 +18,8 @@ rem * furnished to do so, under the terms of the COPYING file.
 rem *
 rem * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 rem * KIND, either express or implied.
+rem * 
+rem * SPDX-License-Identifier: curl
 rem *
 rem ***************************************************************************
 
diff --git a/projects/build-wolfssl.bat b/projects/build-wolfssl.bat
index 7a871e75e..02549b4a8 100644
--- a/projects/build-wolfssl.bat
+++ b/projects/build-wolfssl.bat
@@ -19,6 +19,8 @@ rem * furnished to do so, under the terms of the COPYING file.
 rem *
 rem * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 rem * KIND, either express or implied.
+rem * 
+rem * SPDX-License-Identifier: curl
 rem *
 rem ***************************************************************************
 
diff --git a/projects/checksrc.bat b/projects/checksrc.bat
index f3c09a352..89577e3eb 100644
--- a/projects/checksrc.bat
+++ b/projects/checksrc.bat
@@ -18,6 +18,8 @@ rem * furnished to do so, under the terms of the COPYING file.
 rem *
 rem * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 rem * KIND, either express or implied.
+rem * 
+rem * SPDX-License-Identifier: curl
 rem *
 rem ***************************************************************************
 
diff --git a/projects/generate.bat b/projects/generate.bat
index 71c736fa5..b48ca94e1 100644
--- a/projects/generate.bat
+++ b/projects/generate.bat
@@ -18,6 +18,8 @@ rem * furnished to do so, under the terms of the COPYING file.
 rem *
 rem * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 rem * KIND, either express or implied.
+rem * 
+rem * SPDX-License-Identifier: curl
 rem *
 rem ***************************************************************************
 
diff --git a/projects/wolfssl_options.h b/projects/wolfssl_options.h
index dd8e75d0b..c30d09777 100644
--- a/projects/wolfssl_options.h
+++ b/projects/wolfssl_options.h
@@ -18,6 +18,8 @@
  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  * KIND, either express or implied.
  *
+ * SPDX-License-Identifier: curl
+ *
  ***************************************************************************/
 /*
 By default wolfSSL has a very conservative configuration that can result in