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cmake_minimum_required(VERSION 3.17.0 FATAL_ERROR)
if (NOT BASIC_PROJECT_CONFIG_DONE)
message(FATAL_ERROR "Before including the ShellCompletion module, the BasicConfig module must be included.")
endif ()
option(SHELL_COMPLETION_ENABLED "controls whether shell completion is enabled in general" ON)
option(BASH_COMPLETION_ENABLED "controls whether shell completion for bash is enabled" ON)
if (NOT SHELL_COMPLETION_ENABLED)
return()
endif ()
# add bash completion (currently the only supported shell completion)
if (BASH_COMPLETION_ENABLED)
# make install destination configurable
set(BASH_COMPLETION_INSTALL_DIR
"${CMAKE_INSTALL_DATAROOTDIR}/bash-completion"
CACHE STRING "sets the directory to install Bash completion files to")
# find bash-completion.sh template
include(TemplateFinder)
find_template_file("bash-completion.sh" CPP_UTILITIES BASH_COMPLETION_TEMPLATE_FILE)
# generate wrapper script for bash completion
configure_file("${BASH_COMPLETION_TEMPLATE_FILE}"
"${CMAKE_CURRENT_BINARY_DIR}/bash-completion/completions/${META_TARGET_NAME}" @ONLY)
# add install target bash completion
if (NOT META_NO_INSTALL_TARGETS AND ENABLE_INSTALL_TARGETS)
install(
DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bash-completion/completions"
DESTINATION "${BASH_COMPLETION_INSTALL_DIR}"
COMPONENT bash-completion)
if (NOT TARGET install-bash-completion)
add_custom_target(install-bash-completion COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=bash-completion
-P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif ()
endif ()
message(STATUS "Generating files for bash completion.")
endif ()
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