Add script to for adding third party licenses to Windows build

Author: sharkwouter

.github/workflows/build.yml

@@ -57,6 +57,7 @@ jobs:
           cmake --build .
           strip --strip-unneeded laserkombat.exe
           cp ../COPYING ./
+          ../platform/windows/create-license-directory.sh mingw-w64-x86_64-SDL2 mingw-w64-x86_64-SDL2_ttf
       - name: Publish artifacts
         uses: actions/upload-artifact@v7
         with:
@@ -65,6 +66,7 @@ jobs:
             laserkombat/laserkombat.exe
             laserkombat/assets
             laserkombat/COPYING
+            laserkombat/third-party-licenses
 
   PSP:
     runs-on: ubuntu-latest

platform/windows/create-license-directory.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+LICENSE_DIRECTORY="third-party-licenses"
+EXIT_CODE=0
+LIBRARIES=($@)
+SCRIPT_NAME="$(basename "$0")"
+
+usage ( ) {
+	cat <<EOF
+${SCRIPT_NAME} [OPTION] [LIBRARY]...
+The ${SCRIPT_NAME} tool makes it easier to comply with licenses of used libraries.
+It adds the licenses to the ${LICENSE_DIRECTORY} directory.
+
+options:
+  -h		  Print this message
+  -l		  List installed libraries
+
+example:
+  If your project has included SDL2, SDL2_ttf and jsoncpp:
+
+    ${SCRIPT_NAME} sdl2 sdl2-ttf jsoncpp
+    
+  To get a list of installed libraries to get the name right use:
+
+    ${SCRIPT_NAME} -l
+
+EOF
+}
+
+get_dependencies ( ) {
+  echo "$(pacman -Qi ${1}|grep "^Depends On"|cut -d':' -f 2-|xargs echo)"
+}
+
+copy_license_directory ( ) {
+	if [ -d "/mingw64/share/licenses/${1}" ]; then
+		if [ ! -d "${LICENSE_DIRECTORY}/${1}" ]; then
+			echo "Adding license for ${1} to ${LICENSE_DIRECTORY}"
+		fi
+		cp -rf "/mingw64/share/licenses//${1}" "${LICENSE_DIRECTORY}/"
+		for dependency in $(get_dependencies "${1}"); do
+			if [ "${dependency}" == "None" ]; then
+				continue
+			fi
+			if [ ! -d "${LICENSE_DIRECTORY}/${dependency}" ]; then
+				echo "Found dependency ${dependency} for ${1}"
+			fi
+			copy_license_directory "${dependency}"
+		done
+	else
+		echo "Failed to find license for library ${1}"
+		EXIT_CODE=2
+	fi
+}
+
+while getopts "hl" OPTION; do
+	case ${OPTION} in
+	h)
+		usage
+		exit 0
+	;;
+	l)
+		psp-pacman -Qq
+		exit 0
+	;;
+	*)
+		echo "${OPTION} - Unrecongnized option"
+		usage
+		exit 1
+	;;
+	esac
+done
+
+mkdir -p "${LICENSE_DIRECTORY}"
+for library in ${LIBRARIES[@]}; do
+	copy_license_directory "${library}"
+done
+exit ${EXIT_CODE}