Merge pull request #10700 from Icinga/license-gpl3-later

Upgrade license to GPLv3 & replace existing copyright with SPDX header

Author: julianbrost

CMakeLists.txt

@@ -1,4 +1,5 @@
-# Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+
+# SPDX-FileCopyrightText: 2012 Icinga GmbH <https://icinga.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # CMake 3.17 is required, CMake policy compatibility was verified up to 3.17.
 cmake_minimum_required(VERSION 3.17...3.17)
@@ -93,7 +94,7 @@ endif()
 
 set(ICINGA2_BUILD_COMPILER_VERSION "${CMAKE_CXX_COMPILER_VERSION}")
 
-file(READ "${CMAKE_CURRENT_SOURCE_DIR}/COPYING" ICINGA2_LICENSE_GPL)
+file(READ "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.md" ICINGA2_LICENSE_GPL)
 set(ICINGA2_LICENSE "${ICINGA2_LICENSE_GPL}\n\n---\n\n${ICINGA2_LICENSE_ADDITIONS}")
 file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/LICENSE.txt" ${ICINGA2_LICENSE})
 
@@ -468,7 +469,7 @@ endif()
 configure_file(config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h ESCAPE_QUOTES)
 
 install(
-  FILES README.md COPYING AUTHORS CHANGELOG.md NEWS
+  FILES README.md LICENSE.md AUTHORS CHANGELOG.md NEWS
   DESTINATION ${CMAKE_INSTALL_DOCDIR}
 )
 

COPYING

@@ -1,4 +1,5 @@
-# Icinga 2 Docker image | (c) 2025 Icinga GmbH | GPLv2+
+# SPDX-FileCopyrightText: 2025 Icinga GmbH <https://icinga.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 FROM debian:trixie-slim AS build-base
 

Containerfile

@@ -1,4 +1,5 @@
-# Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+
+# SPDX-FileCopyrightText: 2012 Icinga GmbH <https://icinga.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 if(MSVC)
   include_external_msproject(

LICENSE.md

@@ -1,4 +1,5 @@
-# Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+
+# SPDX-FileCopyrightText: 2012 Icinga GmbH <https://icinga.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 if(WIN32)
   configure_file(icinga2.nuspec.cmake icinga2.nuspec)

README.md

@@ -13,7 +13,7 @@
     <description>Icinga is an open source monitoring platform which notifies users about host and service outages.</description>
     <projectUrl>https://icinga.com/</projectUrl>
     <tags>icinga2 icinga agent monitoring admin</tags>
-    <licenseUrl>https://github.com/Icinga/icinga2/blob/master/COPYING</licenseUrl>
+    <licenseUrl>https://github.com/Icinga/icinga2/blob/master/LICENSE.md</licenseUrl>
     <releaseNotes>https://github.com/Icinga/icinga2/blob/master/ChangeLog</releaseNotes>
     <docsUrl>https://icinga.com/docs/icinga2/latest/</docsUrl>
     <bugTrackerUrl>https://github.com/Icinga/icinga2/issues</bugTrackerUrl>

agent/CMakeLists.txt

@@ -1,5 +1,6 @@
-# Icinga 2 | (c) 2025 Icinga GmbH | GPLv2+
-
+# SPDX-FileCopyrightText: 2025 Icinga GmbH <https://icinga.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
 # - Discover tests defined in the Boost.Test executable target
 #
 # Boost.Test executables should be defined like any other CMake executable target.

choco/CMakeLists.txt

@@ -1,3 +1,4 @@
-# Icinga 2 | (c) 2025 Icinga GmbH | GPLv2+
+# SPDX-FileCopyrightText: 2025 Icinga GmbH <https://icinga.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 execute_process(COMMAND "${CMD}" ${ARGS} OUTPUT_QUIET)