neovim/cmake/Format.cmake

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CMake
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# Returns a list of all files that has been changed in current branch compared
# to master branch. This includes unstaged, staged and committed files.
function(get_changed_files outvar)
set(default_branch master)
execute_process(
COMMAND git branch --show-current
OUTPUT_VARIABLE current_branch
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(
COMMAND git merge-base ${default_branch} ${current_branch}
OUTPUT_VARIABLE ancestor_commit
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Changed files that have been committed
execute_process(
COMMAND git diff --name-only ${ancestor_commit}...${current_branch}
OUTPUT_VARIABLE committed_files
OUTPUT_STRIP_TRAILING_WHITESPACE)
separate_arguments(committed_files NATIVE_COMMAND ${committed_files})
# Unstaged files
execute_process(
COMMAND git diff --name-only
OUTPUT_VARIABLE unstaged_files
OUTPUT_STRIP_TRAILING_WHITESPACE)
separate_arguments(unstaged_files NATIVE_COMMAND ${unstaged_files})
# Staged files
execute_process(
COMMAND git diff --cached --name-only
OUTPUT_VARIABLE staged_files
OUTPUT_STRIP_TRAILING_WHITESPACE)
separate_arguments(staged_files NATIVE_COMMAND ${staged_files})
set(files ${committed_files} ${unstaged_files} ${staged_files})
list(REMOVE_DUPLICATES files)
set(${outvar} "${files}" PARENT_SCOPE)
endfunction()
get_changed_files(changed_files)
if(LANG STREQUAL c)
list(FILTER changed_files INCLUDE REGEX "\\.[ch]$")
list(FILTER changed_files INCLUDE REGEX "^src/nvim/")
if(changed_files)
if(FORMAT_PRG)
execute_process(COMMAND ${FORMAT_PRG} -c "src/uncrustify.cfg" --replace --no-backup ${changed_files})
else()
message(STATUS "Uncrustify not found. Skip formatting C files.")
endif()
endif()
elseif(LANG STREQUAL lua)
list(FILTER changed_files INCLUDE REGEX "\\.lua$")
list(FILTER changed_files INCLUDE REGEX "^runtime/")
if(changed_files)
if(FORMAT_PRG)
execute_process(COMMAND ${FORMAT_PRG} ${changed_files})
else()
message(STATUS "Stylua not found. Skip formatting lua files.")
endif()
endif()
endif()