logic: versioning

cmake/private_key.cmake

@@ -0,0 +1,22 @@
+# searching for private key file of the Sourcetrail version in setup/RSA_keys
+# if found the file will be put into a const string into the PrivateKey.h file
+
+string(REGEX REPLACE "^([0-9]+)\\..*" "\\1" VERSION_MAJOR "${GIT_VERSION_NUMBER}")
+message(STATUS "Get Public Key for Sourcetrail version: ${VERSION_MAJOR}")
+
+message(STATUS "${CMAKE_SOURCE_DIR}/setup/RSA_keys/private-sourcetrail.pem")
+
+set(privateKeyFile "${CMAKE_SOURCE_DIR}/setup/RSA_keys/private-sourcetrail.pem")
+
+if(EXISTS ${privateKeyFile})
+    file(READ ${privateKeyFile} KEY)
+    STRING(REGEX REPLACE "\"" "\\\\\"" KEY "${KEY}")
+    STRING(REGEX REPLACE "\n" "\\\\n\"\n\t\"" KEY "${KEY}")
+else()
+	message(FATAL_ERROR "private keyfile for Sourcetrail not found")
+endif()
+
+configure_file(
+  ${CMAKE_SOURCE_DIR}/cmake/PrivateKey.h.in
+  ${CMAKE_BINARY_DIR}/src/license_generator/PrivateKey.h
+)