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Kernel: Bake version information into the Kernel

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This is done by generating a Kernel/Version.h header with major version,
minor version, and git hash.
This commit is contained in:
kleines Filmröllchen 2022-08-30 12:44:33 +02:00 • committed by Linus Groh
parent 92c203bba2
commit 7c05eed487
2 changed files with 50 additions and 0 deletions
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13
Kernel/CMakeLists.txt
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@ -410,6 +410,18 @@ set(ELF_SOURCES
../Userland/Libraries/LibELF/Validation.cpp ../Userland/Libraries/LibELF/Validation.cpp
) )
add_custom_command(
COMMAND "${SerenityOS_SOURCE_DIR}/Kernel/generate-version-file.sh" "${CMAKE_CURRENT_BINARY_DIR}/Version.h.tmp"
COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${CMAKE_CURRENT_BINARY_DIR}/Version.h.tmp" "${CMAKE_CURRENT_BINARY_DIR}/Version.h"
COMMAND "${CMAKE_COMMAND}" -E remove "${CMAKE_CURRENT_BINARY_DIR}/Version.h.tmp"
WORKING_DIRECTORY "${SerenityOS_SOURCE_DIR}"
COMMENT "Generating SerenityOS version information"
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/Version.h"
VERBATIM
)
add_custom_target(generate_version_header ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/Version.h")
set(GENERATED_SOURCES "${CMAKE_CURRENT_BINARY_DIR}/Version.h")
generate_state_machine(../Userland/Libraries/LibVT/StateMachine.txt ../Userland/Libraries/LibVT/EscapeSequenceStateMachine.h) generate_state_machine(../Userland/Libraries/LibVT/StateMachine.txt ../Userland/Libraries/LibVT/EscapeSequenceStateMachine.h)
set(VT_SOURCES set(VT_SOURCES
@ -437,6 +449,7 @@ set(SOURCES
if (NOT "${SERENITY_ARCH}" STREQUAL "aarch64") if (NOT "${SERENITY_ARCH}" STREQUAL "aarch64")
set(SOURCES set(SOURCES
${KERNEL_SOURCES} ${KERNEL_SOURCES}
${GENERATED_SOURCES}
${SOURCES} ${SOURCES}
${EDID_SOURCES} ${EDID_SOURCES}
${ELF_SOURCES} ${ELF_SOURCES}

37
Kernel/generate-version-file.sh Executable file
View file

@ -0,0 +1,37 @@
#!/bin/sh
set -e
OUTPUT_FILE=$1
if command -v git >/dev/null; then
if git status >/dev/null 2>&1; then
GIT_HASH=$( (git log --pretty=format:'%h' -n 1 | cut -c1-7) || true )
# There is at least one modified file as reported by git.
if git status --porcelain=v2 | head | grep -Ei '^1' >/dev/null; then
GIT_HASH="${GIT_HASH}-modified"
fi
else
GIT_HASH=unknown
fi
else
GIT_HASH=unknown
fi
cat << EOF > "$OUTPUT_FILE"
/*
* Automatically generated by Kernel/generate-version-file.sh
*/
#pragma once
#include <AK/StringView.h>
namespace Kernel {
constexpr unsigned SERENITY_MAJOR_REVISION = 1;
constexpr unsigned SERENITY_MINOR_REVISION = 0;
constexpr StringView SERENITY_VERSION = "${GIT_HASH}"sv;
}
EOF