diff options
Diffstat (limited to 'py/mkrules.cmake')
| -rw-r--r-- | py/mkrules.cmake | 42 |
1 files changed, 27 insertions, 15 deletions
diff --git a/py/mkrules.cmake b/py/mkrules.cmake index cafcbce56..4374b8b4d 100644 --- a/py/mkrules.cmake +++ b/py/mkrules.cmake @@ -209,16 +209,11 @@ if(MICROPY_FROZEN_MANIFEST) # Note: target_compile_definitions already added earlier. if(NOT MICROPY_LIB_DIR) - string(CONCAT GIT_SUBMODULES "${GIT_SUBMODULES} " lib/micropython-lib) + list(APPEND GIT_SUBMODULES lib/micropython-lib) set(MICROPY_LIB_DIR ${MICROPY_DIR}/lib/micropython-lib) endif() - if(ECHO_SUBMODULES) - # No-op, we're just doing submodule/variant discovery. - # Note: All the following rules are safe to run in discovery mode even - # though the submodule might not be available as they do not directly depend - # on anything from the submodule. - elseif(NOT EXISTS ${MICROPY_LIB_DIR}/README.md) + if(NOT UPDATE_SUBMODULES AND NOT EXISTS ${MICROPY_LIB_DIR}/README.md) message(FATAL_ERROR " micropython-lib not initialized.\n Run 'make BOARD=${MICROPY_BOARD} submodules'") endif() @@ -272,12 +267,29 @@ if(MICROPY_FROZEN_MANIFEST) ) endif() -# Update submodules -if(ECHO_SUBMODULES) - # If cmake is run with GIT_SUBMODULES defined on command line, process the port / board - # settings then print the final GIT_SUBMODULES variable and exit. - # Note: the GIT_SUBMODULES is done via echo rather than message, as message splits - # the output onto multiple lines - execute_process(COMMAND ${CMAKE_COMMAND} -E echo "GIT_SUBMODULES=${GIT_SUBMODULES}") - message(FATAL_ERROR "Done") +# Update submodules, this is invoked on some ports via 'make submodules'. +# +# Note: This logic has a Makefile equivalent in py/mkrules.mk +if(UPDATE_SUBMODULES AND GIT_SUBMODULES) + macro(run_git) + execute_process(COMMAND git ${ARGV} WORKING_DIRECTORY ${MICROPY_DIR} + RESULT_VARIABLE RES) + endmacro() + + list(JOIN GIT_SUBMODULES " " GIT_SUBMODULES_MSG) + message("Updating submodules: ${GIT_SUBMODULES_MSG}") + run_git(submodule sync ${GIT_SUBMODULES}) + if(RES EQUAL 0) + # If available, do blobless partial clones of submodules to save time and space. + # A blobless partial clone lazily fetches data as needed, but has all the metadata available (tags, etc.). + run_git(submodule update --init --filter=blob:none ${GIT_SUBMODULES}) + # Fallback to standard submodule update if blobless isn't available (earlier than git 2.36.0) + if (NOT RES EQUAL 0) + run_git(submodule update --init ${GIT_SUBMODULES}) + endif() + endif() + + if (NOT RES EQUAL 0) + message(FATAL_ERROR "Submodule update failed") + endif() endif() |