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feat: generate output.cmake file #51

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feat: generate output.cmake file #51

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5 changes: 5 additions & 0 deletions git_watcher.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,8 @@
# commit was made. There are two sections you need to modify,
# and they're tagged with a ">>>" header.

set(GIT_WATCHER_OUTPUT_PATH "${CMAKE_CURRENT_BINARY_DIR}/output.cmake" CACHE INTERNAL "")

# Short hand for converting paths to absolute.
macro(PATH_TO_ABSOLUTE var_name)
get_filename_component(${var_name} "${${var_name}}" ABSOLUTE)
Expand Down Expand Up @@ -256,9 +258,12 @@ endfunction()
# Description: this function is executed when the state of the git
# repository changes (e.g. a commit is made).
function(GitStateChangedAction)
set(OUTPUT_FILE "")
foreach(var_name ${_state_variable_names})
set(${var_name} $ENV{${var_name}})
string(APPEND OUTPUT_FILE "set(${var_name} ${${var_name}} CACHE INTERNAL \"\")\n")
endforeach()
file(WRITE "${GIT_WATCHER_OUTPUT_PATH}" "${OUTPUT_FILE}")
configure_file("${PRE_CONFIGURE_FILE}" "${POST_CONFIGURE_FILE}" @ONLY)
endfunction()

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