[misc] split dependency preparation logic into individual dependency files for enhanced configuration flexibility

ucm/shared/vendor/CMakeLists.txt

@@ -1,59 +1,3 @@
-function(EnableDept)
-    cmake_parse_arguments(DEPT "" "NAME;TAG" "GIT_URLS" ${ARGN})
-    find_program(GIT_EXECUTABLE git)
-    if(NOT GIT_EXECUTABLE)
-        message(FATAL_ERROR "git not found!")
-    endif()
-    foreach(GIT_URL IN LISTS DEPT_GIT_URLS)
-        execute_process(
-            COMMAND ${GIT_EXECUTABLE} ls-remote --heads "${GIT_URL}"
-            RESULT_VARIABLE GIT_RESULT
-            OUTPUT_QUIET
-            ERROR_QUIET
-            TIMEOUT 15
-        )
-        if(GIT_RESULT EQUAL 0)
-            set(VALID_GIT_URL ${GIT_URL})
-            break()
-        endif()
-    endforeach()
-    if(NOT VALID_GIT_URL)
-        message(FATAL_ERROR "all urls for ${DEPT_NAME} are not reachable!")
-    endif()
-    message(STATUS "Fetching ${DEPT_NAME}(${DEPT_TAG}) from ${VALID_GIT_URL}")
-    FetchContent_Declare(${DEPT_NAME} GIT_REPOSITORY ${VALID_GIT_URL} GIT_TAG ${DEPT_TAG} GIT_SHALLOW TRUE)
-    string(TOUPPER ${DEPT_NAME} NAME_UPPER)
-    set(${NAME_UPPER}_INSTALL OFF CACHE INTERNAL "" FORCE)
-    set(${NAME_UPPER}_BUILD_TESTS OFF CACHE INTERNAL "" FORCE)
-    set(${NAME_UPPER}_BUILD_EXAMPLES OFF CACHE INTERNAL "" FORCE)
-    FetchContent_MakeAvailable(${DEPT_NAME})
-endfunction()
-
-if(DOWNLOAD_DEPENDENCE)
-    include(FetchContent)
-    EnableDept(
-        NAME fmt
-        TAG 11.2.0
-        GIT_URLS
-            https://github.com/fmtlib/fmt.git
-            https://gitcode.com/GitHub_Trending/fm/fmt.git
-    )
-    EnableDept(
-        NAME spdlog
-        TAG v1.15.3
-        GIT_URLS
-            https://github.com/gabime/spdlog.git
-            https://gitcode.com/GitHub_Trending/sp/spdlog.git
-    )
-    EnableDept(
-        NAME pybind11
-        TAG v3.0.1
-        GIT_URLS
-            https://github.com/pybind/pybind11.git
-            https://gitcode.com/GitHub_Trending/py/pybind11.git
-    )
-else()
-    add_subdirectory(fmt)
-    add_subdirectory(spdlog)
-    add_subdirectory(pybind11)
-endif()
+include(dep-fmt.cmake)
+include(dep-spdlog.cmake)
+include(dep-pybind11.cmake)

ucm/shared/vendor/dep-fmt.cmake

@@ -0,0 +1,20 @@
+set(FMT_INSTALL OFF CACHE INTERNAL "" FORCE)
+set(FMT_BUILD_TESTS OFF CACHE INTERNAL "" FORCE)
+set(FMT_BUILD_EXAMPLES OFF CACHE INTERNAL "" FORCE)
+
+if(DOWNLOAD_DEPENDENCE)
+    set(DEP_FMT_NAME fmt)
+    set(DEP_FMT_TAG 11.2.0)
+    set(DEP_FMT_GIT_URLS
+        https://github.com/fmtlib/fmt.git
+        https://gitcode.com/GitHub_Trending/fm/fmt.git
+    )
+    include(helper.cmake)
+    find_reachable_git_url(REACHABLE_URL DEP_FMT_GIT_URLS)
+    include(FetchContent)
+    message(STATUS "Fetching ${DEP_FMT_NAME}(${DEP_FMT_TAG}) from ${REACHABLE_URL}")
+    FetchContent_Declare(${DEP_FMT_NAME} GIT_REPOSITORY ${REACHABLE_URL} GIT_TAG ${DEP_FMT_TAG} GIT_SHALLOW TRUE)
+    FetchContent_MakeAvailable(${DEP_FMT_NAME})
+else()
+    add_subdirectory(fmt)
+endif()

ucm/shared/vendor/dep-pybind11.cmake

@@ -0,0 +1,20 @@
+set(PYBIND11_INSTALL OFF CACHE INTERNAL "" FORCE)
+set(PYBIND11_BUILD_TESTS OFF CACHE INTERNAL "" FORCE)
+set(PYBIND11_BUILD_EXAMPLES OFF CACHE INTERNAL "" FORCE)
+
+if(DOWNLOAD_DEPENDENCE)
+    set(DEP_PYBIND11_NAME pybind11)
+    set(DEP_PYBIND11_TAG v3.0.1)
+    set(DEP_PYBIND11_GIT_URLS
+        https://github.com/pybind/pybind11.git
+        https://gitcode.com/GitHub_Trending/py/pybind11.git
+    )
+    include(helper.cmake)
+    find_reachable_git_url(REACHABLE_URL DEP_PYBIND11_GIT_URLS)
+    include(FetchContent)
+    message(STATUS "Fetching ${DEP_PYBIND11_NAME}(${DEP_PYBIND11_TAG}) from ${REACHABLE_URL}")
+    FetchContent_Declare(${DEP_PYBIND11_NAME} GIT_REPOSITORY ${REACHABLE_URL} GIT_TAG ${DEP_PYBIND11_TAG} GIT_SHALLOW TRUE)
+    FetchContent_MakeAvailable(${DEP_PYBIND11_NAME})
+else()
+    add_subdirectory(pybind11)
+endif()

ucm/shared/vendor/dep-spdlog.cmake

@@ -0,0 +1,21 @@
+set(SPDLOG_INSTALL OFF CACHE INTERNAL "" FORCE)
+set(SPDLOG_BUILD_TESTS OFF CACHE INTERNAL "" FORCE)
+set(SPDLOG_BUILD_EXAMPLES OFF CACHE INTERNAL "" FORCE)
+set(SPDLOG_FMT_EXTERNAL ON CACHE INTERNAL "" FORCE)
+
+if(DOWNLOAD_DEPENDENCE)
+    set(DEP_SPDLOG_NAME spdlog)
+    set(DEP_SPDLOG_TAG v1.15.3)
+    set(DEP_SPDLOG_GIT_URLS
+        https://github.com/gabime/spdlog.git
+        https://gitcode.com/GitHub_Trending/sp/spdlog.git
+    )
+    include(helper.cmake)
+    find_reachable_git_url(REACHABLE_URL DEP_SPDLOG_GIT_URLS)
+    include(FetchContent)
+    message(STATUS "Fetching ${DEP_SPDLOG_NAME}(${DEP_SPDLOG_TAG}) from ${REACHABLE_URL}")
+    FetchContent_Declare(${DEP_SPDLOG_NAME} GIT_REPOSITORY ${REACHABLE_URL} GIT_TAG ${DEP_SPDLOG_TAG} GIT_SHALLOW TRUE)
+    FetchContent_MakeAvailable(${DEP_SPDLOG_NAME})
+else()
+    add_subdirectory(spdlog)
+endif()

ucm/shared/vendor/helper.cmake

@@ -0,0 +1,27 @@
+function(find_reachable_git_url OUT_REACHABLE_URL IN_URL_LIST)
+    find_program(GIT_EXECUTABLE git)
+    if(NOT GIT_EXECUTABLE)
+        message(FATAL_ERROR "git not found!")
+    endif()
+
+    if(DEFINED ${IN_URL_LIST})
+        set(URL_LIST ${${IN_URL_LIST}})
+    else()
+        set(URL_LIST ${ARGN})
+    endif()
+
+    foreach(GIT_URL IN LISTS URL_LIST)
+        execute_process(
+            COMMAND ${GIT_EXECUTABLE} ls-remote --heads "${GIT_URL}"
+            RESULT_VARIABLE GIT_RESULT
+            OUTPUT_QUIET ERROR_QUIET
+            TIMEOUT 5
+        )
+        if(GIT_RESULT EQUAL 0)
+            set(${OUT_REACHABLE_URL} ${GIT_URL} PARENT_SCOPE)
+            return()
+        endif()
+    endforeach()
+
+    message(FATAL_ERROR "All git URLs are not reachable!")
+endfunction()