Генерация заголовочного файла с информацией о репозитории git

CMLibCommon.cmake

@@ -50,6 +50,7 @@ include(CMLibDocDoxygen)
 include(CMLibDocBreathe)
 include(CMLibQtTranslation)
 include(CMLibToday)
+include(CMLibGit)
 include(CMLibAuxilarySymlinks)
 include(CMLibGeneratePrivateConfigHPP)
 include(CMLibNinjaGeneratorHelper)

CMLibGit.cmake

@@ -0,0 +1,14 @@
+set(output_file ${CMAKE_BINARY_DIR}/include/cmlib_git_version.hpp)
+if(CMLIB_GENERATED_HEADERS_PATH)
+  set(output_file ${CMLIB_GENERATED_HEADERS_PATH}/cmlib_git_version.hpp)
+elseif(ARGV0)
+  set(output_file ${ARGV0})
+endif()
+
+add_custom_target(git-version ALL ${CMAKE_COMMAND}
+  -DCMLIB_PROJECT_NAME_UPPER=${CMLIB_PROJECT_NAME_UPPER}
+  -DCMLIB_MODULE_DIR=${CMLIB_MODULE_DIR}
+  -DCMLIB_GIT_VERSION_FILE=${output_file} -P ${CMLIB_MODULE_DIR}/CMLibGitVersion.cmake
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+
+unset(output_file)

CMLibGitVersion.cmake

@@ -0,0 +1,28 @@
+set(CMLIB_GIT_REV "N/A")
+set(CMLIB_GIT_DIFF "")
+set(CMLIB_GIT_TAG "N/A")
+set(CMLIB_GIT_BRANCH "N/A")
+
+message("aaaaaa")
+
+find_program(GIT_EXECUTABLE git)
+if(GIT_EXECUTABLE)
+  execute_process(COMMAND git log --pretty=format:'%h' -n 1 OUTPUT_VARIABLE CMLIB_GIT_REV ERROR_QUIET)
+
+  # Check whether we got any revision (which isn't
+  # always the case, e.g. when someone downloaded a zip
+  # file from Github instead of a checkout)
+  if(NOT "${CMLIB_GIT_REV}" STREQUAL "")
+    execute_process(COMMAND bash -c "git diff --quiet --exit-code || echo +" OUTPUT_VARIABLE CMLIB_GIT_DIFF)
+    execute_process(COMMAND git describe --exact-match --tags OUTPUT_VARIABLE CMLIB_GIT_TAG ERROR_QUIET)
+    execute_process(COMMAND git rev-parse --abbrev-ref HEAD OUTPUT_VARIABLE CMLIB_GIT_BRANCH)
+
+    string(STRIP "${CMLIB_GIT_REV}" CMLIB_GIT_REV)
+    string(SUBSTRING "${CMLIB_GIT_REV}" 1 8 CMLIB_GIT_REV)
+    string(STRIP "${CMLIB_GIT_DIFF}" CMLIB_GIT_DIFF)
+    string(STRIP "${CMLIB_GIT_TAG}" CMLIB_GIT_TAG)
+    string(STRIP "${CMLIB_GIT_BRANCH}" CMLIB_GIT_BRANCH)
+  endif()
+endif()
+
+configure_file(${CMLIB_MODULE_DIR}/hpp/cmlib_git_version.hpp.in ${CMLIB_GIT_VERSION_FILE})

hpp/cmlib_git_version.hpp.in

@@ -0,0 +1,31 @@
+#ifndef @CMLIB_PROJECT_NAME_UPPER@_CMLIB_GIT_VERSION_HPP_
+#define @CMLIB_PROJECT_NAME_UPPER@_CMLIB_GIT_VERSION_HPP_
+
+#pragma once
+
+#if defined (@CMLIB_PROJECT_NAME_UPPER@_GIT_REV)
+#error "Duplicate definition of macros @CMLIB_PROJECT_NAME_UPPER@_GIT_REV"
+#else
+#define @CMLIB_PROJECT_NAME_UPPER@_GIT_REV "@CMLIB_GIT_REV@"
+#endif
+
+#if defined (@CMLIB_PROJECT_NAME_UPPER@_GIT_DIFF)
+#error "Duplicate definition of macros @CMLIB_PROJECT_NAME_UPPER@_GIT_DIFF"
+#else
+#define @CMLIB_PROJECT_NAME_UPPER@_GIT_DIFF "@CMLIB_GIT_DIFF@"
+#endif
+
+#if defined (@CMLIB_PROJECT_NAME_UPPER@_GIT_BRANCH)
+#error "Duplicate definition of macros @CMLIB_PROJECT_NAME_UPPER@_GIT_BRANCH"
+#else
+#define @CMLIB_PROJECT_NAME_UPPER@_GIT_BRANCH "@CMLIB_GIT_BRANCH@"
+#endif
+
+#if defined (@CMLIB_PROJECT_NAME_UPPER@_GIT_TAG)
+#error "Duplicate definition of macros @CMLIB_PROJECT_NAME_UPPER@_GIT_TAG"
+#else
+#define @CMLIB_PROJECT_NAME_UPPER@_GIT_TAG "@CMLIB_GIT_TAG@"
+#endif
+
+#endif /* @CMLIB_PROJECT_NAME_CANONICAL@_CMLIB_GIT_VERSION_HPP_ */
+