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CMake: stop clobbering config files

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When CMake runs, configure_file() will clobber the config files in
the build/ directory, which is annoying during testing: you need
to keep making the same edits, or edit the source.

- Introduce new behavior: the config file is **not** overwritten unless
  the source file is newer. This means that edits to config files
  in the build directory are preserved.
- If INSTALL_CONFIG is **on** then the files are clobbered anyway (the
  source is considered new regardless).
This commit is contained in:
Adriaan de Groot 2020-08-05 00:51:08 +02:00
parent a8c4f5b758
commit f7102527a8
1 changed files with 10 additions and 1 deletions
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11
CMakeModules/CalamaresAddPlugin.cmake
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@ -187,13 +187,22 @@ function( calamares_add_plugin )
install( FILES ${CMAKE_CURRENT_BINARY_DIR}/${PLUGIN_DESC_FILE}
DESTINATION ${PLUGIN_DESTINATION} )
set( _warned_config OFF )
foreach( PLUGIN_CONFIG_FILE ${PLUGIN_CONFIG_FILES} )
configure_file( ${PLUGIN_CONFIG_FILE} ${PLUGIN_CONFIG_FILE} COPYONLY )
if( ${CMAKE_CURRENT_SOURCE_DIR}/${PLUGIN_CONFIG_FILE} IS_NEWER_THAN ${CMAKE_CURRENT_BINARY_DIR}/${PLUGIN_CONFIG_FILE} OR INSTALL_CONFIG )
configure_file( ${PLUGIN_CONFIG_FILE} ${PLUGIN_CONFIG_FILE} COPYONLY )
else()
message( " ${BoldYellow}Not updating${ColorReset} ${PLUGIN_CONFIG_FILE}" )
set( _warned_config ON )
endif()
if ( INSTALL_CONFIG )
install(
FILES ${CMAKE_CURRENT_BINARY_DIR}/${PLUGIN_CONFIG_FILE}
DESTINATION ${PLUGIN_DATA_DESTINATION} )
endif()
endforeach()
if ( _warned_config )
message( "" )
endif()
endif()
endfunction()