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Install local.zeek as symlink to pre-existing local.bro

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This a convenience for those that are upgrading.  If we didn't do
this, then deployments can silently break until the user intervenes
since BroControl now prefers to load the initially-vanilla local.zeek
instead of the formerly-customized local.bro.
This commit is contained in:
Jon Siwek 2019-05-02 22:49:40 -07:00
parent 84ca12fdb4
commit c640dd70cc
4 changed files with 38 additions and 7 deletions
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23
scripts/CMakeLists.txt
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@ -8,8 +8,27 @@ install(DIRECTORY ./ DESTINATION ${BRO_SCRIPT_INSTALL_PATH} FILES_MATCHING
PATTERN "*.fp"
)
# Install all local* scripts as config files since they are meant to be
# user modify-able.
if ( NOT BINARY_PACKAGING_MODE )
# If the user has a local.bro file from a previous installation, prefer to
# symlink local.zeek to it to avoid breaking their custom configuration --
# because BroControl will now prefer to load local.zeek rather than local.bro
# and we're about to install a default version of local.zeek.
set(_local_bro_dst ${BRO_SCRIPT_INSTALL_PATH}/site/local.bro)
set(_local_zeek_dst ${BRO_SCRIPT_INSTALL_PATH}/site/local.zeek)
install(CODE "
if ( \"\$ENV{DESTDIR}\" STREQUAL \"\" )
if ( EXISTS \"${_local_bro_dst}\" AND NOT EXISTS \"${_local_zeek_dst}\" )
message(STATUS \"WARNING: installed ${_local_zeek_dst} as symlink to ${_local_bro_dst}\")
execute_process(COMMAND \"${CMAKE_COMMAND}\" -E create_symlink
\"${_local_bro_dst}\" \"${_local_zeek_dst}\")
endif ()
endif ()
")
endif ()
# Install local script as a config file since it's meant to be modified directly.
InstallPackageConfigFile(
${CMAKE_CURRENT_SOURCE_DIR}/site/local.zeek
${BRO_SCRIPT_INSTALL_PATH}/site