diff options
Diffstat (limited to 'cmake/git_watcher.cmake')
| -rw-r--r-- | cmake/git_watcher.cmake | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/cmake/git_watcher.cmake b/cmake/git_watcher.cmake index 72b7852..da1a68f 100644 --- a/cmake/git_watcher.cmake +++ b/cmake/git_watcher.cmake @@ -64,7 +64,7 @@ CHECK_REQUIRED_VARIABLE(PRE_CONFIGURE_GIT_VERSION_FILE) CHECK_REQUIRED_VARIABLE(POST_CONFIGURE_GIT_VERSION_FILE) CHECK_OPTIONAL_VARIABLE(GIT_STATE_FILE "${GENERATED_SRC}/git_state") #CHECK_REQUIRED_VARIABLE(GIT_STATE_FILE) -CHECK_OPTIONAL_VARIABLE(GIT_WORKING_DIR "${CMAKE_SOURCE_DIR}") +CHECK_OPTIONAL_VARIABLE(GIT_WORKING_DIR "${PROJECT_SOURCE_DIR}") # Check the optional git variable. # If it's not set, we'll try to find it using the CMake packaging system. @@ -150,6 +150,19 @@ function(CheckGit _working_dir _state_changed _state) # (Passing by reference in CMake is awkward...) set(${_state} ${state} PARENT_SCOPE) + if(EXISTS "${POST_CONFIGURE_GIT_VERSION_FILE}") + if("${PRE_CONFIGURE_GIT_VERSION_FILE}" IS_NEWER_THAN "${POST_CONFIGURE_GIT_VERSION_FILE}") + file(REMOVE "${POST_CONFIGURE_GIT_VERSION_FILE}") + file(REMOVE "${GIT_STATE_FILE}") + set(${_state_changed} "true" PARENT_SCOPE) + return() + endif() + else() + file(REMOVE "${GIT_STATE_FILE}") + set(${_state_changed} "true" PARENT_SCOPE) + return() + endif() + # Check if the state has changed compared to the backup on disk. if(EXISTS "${GIT_STATE_FILE}") file(READ "${GIT_STATE_FILE}" OLD_HEAD_CONTENTS) |