citra/CMakeModules/GenerateSCMRev.cmake

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# Gets a UTC timstamp and sets the provided variable to it
function(get_timestamp _var)
string(TIMESTAMP timestamp UTC)
set(${_var} "${timestamp}" PARENT_SCOPE)
endfunction()
list(APPEND CMAKE_MODULE_PATH "${SRC_DIR}/externals/cmake-modules")
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# Find the package here with the known path so that the GetGit commands can find it as well
find_package(Git QUIET PATHS "${GIT_EXECUTABLE}")
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# generate git/build information
include(GetGitRevisionDescription)
get_git_head_revision(GIT_REF_SPEC GIT_REV)
git_describe(GIT_DESC --always --long --dirty)
git_branch_name(GIT_BRANCH)
get_timestamp(BUILD_DATE)
# Generate cpp with Git revision from template
# Also if this is a CI build, add the build name (ie: Nightly, Canary) to the scm_rev file as well
set(REPO_NAME "")
set(BUILD_VERSION "0")
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if (DEFINED ENV{CI})
if (DEFINED ENV{GITHUB_ACTIONS})
set(BUILD_REPOSITORY $ENV{GITHUB_REPOSITORY})
set(BUILD_TAG $ENV{GIT_TAG_NAME})
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elseif(DEFINED ENV{APPVEYOR})
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set(BUILD_REPOSITORY $ENV{APPVEYOR_REPO_NAME})
set(BUILD_TAG $ENV{APPVEYOR_REPO_TAG_NAME})
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elseif(DEFINED ENV{BITRISE_IO})
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set(BUILD_REPOSITORY "$ENV{BITRISEIO_GIT_REPOSITORY_OWNER}/$ENV{BITRISEIO_GIT_REPOSITORY_SLUG}")
set(BUILD_TAG $ENV{BITRISE_GIT_TAG})
endif()
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# regex capture the string nightly or canary into CMAKE_MATCH_1
string(REGEX MATCH "citra-emu/citra-?(.*)" OUTVAR ${BUILD_REPOSITORY})
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if ("${CMAKE_MATCH_COUNT}" GREATER 0)
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# capitalize the first letter of each word in the repo name.
string(REPLACE "-" ";" REPO_NAME_LIST ${CMAKE_MATCH_1})
foreach(WORD ${REPO_NAME_LIST})
string(SUBSTRING ${WORD} 0 1 FIRST_LETTER)
string(SUBSTRING ${WORD} 1 -1 REMAINDER)
string(TOUPPER ${FIRST_LETTER} FIRST_LETTER)
set(REPO_NAME "${REPO_NAME}${FIRST_LETTER}${REMAINDER}")
endforeach()
if (BUILD_TAG)
string(REGEX MATCH "${CMAKE_MATCH_1}-([0-9]+)" OUTVAR ${BUILD_TAG})
if (${CMAKE_MATCH_COUNT} GREATER 0)
set(BUILD_VERSION ${CMAKE_MATCH_1})
endif()
if (BUILD_VERSION)
# This leaves a trailing space on the last word, but we actually want that
# because of how it's styled in the title bar.
set(BUILD_FULLNAME "${REPO_NAME} ${BUILD_VERSION} ")
else()
set(BUILD_FULLNAME "")
endif()
endif()
endif()
endif()
# The variable SRC_DIR must be passed into the script (since it uses the current build directory for all values of CMAKE_*_DIR)
set(VIDEO_CORE "${SRC_DIR}/src/video_core")
set(HASH_FILES
"${VIDEO_CORE}/renderer_opengl/gl_shader_decompiler.cpp"
"${VIDEO_CORE}/renderer_opengl/gl_shader_decompiler.h"
"${VIDEO_CORE}/renderer_opengl/gl_shader_disk_cache.cpp"
"${VIDEO_CORE}/renderer_opengl/gl_shader_disk_cache.h"
"${VIDEO_CORE}/renderer_opengl/gl_shader_gen.cpp"
"${VIDEO_CORE}/renderer_opengl/gl_shader_gen.h"
"${VIDEO_CORE}/shader/shader.cpp"
"${VIDEO_CORE}/shader/shader.h"
"${VIDEO_CORE}/pica.cpp"
"${VIDEO_CORE}/pica.h"
"${VIDEO_CORE}/regs_framebuffer.h"
"${VIDEO_CORE}/regs_lighting.h"
"${VIDEO_CORE}/regs_pipeline.h"
"${VIDEO_CORE}/regs_rasterizer.h"
"${VIDEO_CORE}/regs_shader.h"
"${VIDEO_CORE}/regs_texturing.h"
"${VIDEO_CORE}/regs.cpp"
"${VIDEO_CORE}/regs.h"
)
set(COMBINED "")
foreach (F IN LISTS HASH_FILES)
file(READ ${F} TMP)
set(COMBINED "${COMBINED}${TMP}")
endforeach()
string(MD5 SHADER_CACHE_VERSION "${COMBINED}")
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configure_file("${SRC_DIR}/src/common/scm_rev.cpp.in" "scm_rev.cpp" @ONLY)