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Extract Downloaded Go Build to a Unique Directory #24

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merged 2 commits into from
Apr 23, 2024
Merged

Extract Downloaded Go Build to a Unique Directory #24

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3a49a31
feat: specify Go package name based on version, OS, and arch
threeal Apr 23, 2024
4475cf0
feat: extract Go build to location according to package name
threeal Apr 23, 2024
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58 changes: 33 additions & 25 deletions cmake/SetupGo.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -10,46 +10,54 @@ include_guard(GLOBAL)
#
# This function sets the `GO_EXECUTABLE` variable to the location of the Go executable.
function(setup_go)
if(CMAKE_SYSTEM_NAME STREQUAL Windows)
set(GO_EXECUTABLE ${CMAKE_BINARY_DIR}/_deps/go/bin/go.exe)
set(VERSION 1.22.2)

if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
set(OS darwin)
elseif(CMAKE_SYSTEM_NAME STREQUAL Linux)
set(OS linux)
elseif(CMAKE_SYSTEM_NAME STREQUAL Windows)
set(OS windows)
else()
set(GO_EXECUTABLE ${CMAKE_BINARY_DIR}/_deps/go/bin/go)
message(FATAL_ERROR "Unsupported system for setting up Go: ${CMAKE_SYSTEM_NAME}")
endif()

if(NOT EXISTS ${GO_EXECUTABLE})
if(CMAKE_SYSTEM_NAME STREQUAL Linux)
set(URL https://go.dev/dl/go1.22.2.linux-amd64.tar.gz)
elseif(CMAKE_SYSTEM_NAME STREQUAL Darwin)
if(CMAKE_SYSTEM_PROCESSOR STREQUAL x86_64)
set(URL https://go.dev/dl/go1.22.2.darwin-amd64.tar.gz)
elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL arm64)
set(URL https://go.dev/dl/go1.22.2.darwin-arm64.tar.gz)
else()
message(FATAL_ERROR "Unsupported architecture for setting up Go: ${CMAKE_SYSTEM_PROCESSOR}")
endif()
elseif(CMAKE_SYSTEM_NAME STREQUAL Windows)
set(URL https://go.dev/dl/go1.22.2.windows-amd64.zip)
else()
message(FATAL_ERROR "Unsupported system for setting up Go: ${CMAKE_SYSTEM_NAME}")
endif()
if(CMAKE_SYSTEM_PROCESSOR STREQUAL x86_64 OR CMAKE_SYSTEM_PROCESSOR STREQUAL AMD64)
set(ARCH amd64)
elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL arm64)
set(ARCH arm64)
else()
message(FATAL_ERROR "Unsupported architecture for setting up Go: ${CMAKE_SYSTEM_PROCESSOR}")
endif()

file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/_deps)
get_filename_component(FILENAME ${URL} NAME)
if(OS STREQUAL windows)
set(PACKAGE_EXT .zip)
set(EXECUTABLE_EXT .exe)
else()
set(PACKAGE_EXT .tar.gz)
endif()

set(GO_BUILD go${VERSION}.${OS}-${ARCH})
set(GO_PACKAGE ${GO_BUILD}${PACKAGE_EXT})
set(GO_EXECUTABLE ${CMAKE_BINARY_DIR}/_deps/${GO_BUILD}/go/bin/go${EXECUTABLE_EXT})

if(NOT EXISTS ${GO_EXECUTABLE})
# Download the Go build.
file(DOWNLOAD ${URL} ${CMAKE_BINARY_DIR}/_deps/${FILENAME})
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/_deps)
file(DOWNLOAD https://go.dev/dl/${GO_PACKAGE} ${CMAKE_BINARY_DIR}/_deps/${GO_PACKAGE})

# Extract the Go build.
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/_deps/${GO_BUILD})
execute_process(
COMMAND tar -xf ${CMAKE_BINARY_DIR}/_deps/${FILENAME} -C ${CMAKE_BINARY_DIR}/_deps
COMMAND tar -xf ${CMAKE_BINARY_DIR}/_deps/${GO_PACKAGE} -C ${CMAKE_BINARY_DIR}/_deps/${GO_BUILD}
RESULT_VARIABLE RES
)
if(NOT RES EQUAL 0)
message(FATAL_ERROR "Failed to extract '${CMAKE_BINARY_DIR}/_deps/${FILENAME}' to '${CMAKE_BINARY_DIR}/_deps' (${RES})")
message(FATAL_ERROR "Failed to extract '${CMAKE_BINARY_DIR}/_deps/${GO_PACKAGE}' to '${CMAKE_BINARY_DIR}/_deps/${GO_BUILD}' (${RES})")
endif()

# Remove the downloaded Go build to free up space.
file(REMOVE ${CMAKE_BINARY_DIR}/_deps/${FILENAME})
file(REMOVE ${CMAKE_BINARY_DIR}/_deps/${GO_PACKAGE})
endif()

set(GO_EXECUTABLE ${GO_EXECUTABLE} PARENT_SCOPE)
Expand Down