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build script: configuration: Check if ROOTFS_TYPE is supported by build host

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ColorfulRhino 2024-03-10 13:29:14 +01:00
parent 47d2e8287e
commit c02b9b90d8
1 changed files with 39 additions and 0 deletions
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39
lib/functions/configuration/main-config.sh
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@ -138,6 +138,45 @@ function do_main_configuration() {
;;
esac
# Check if the filesystem type is supported by the build host
if [[ $CONFIG_DEFS_ONLY != yes ]]; then # don't waste time if only gathering config defs
if [[ -f "/proc/filesystems" ]]; then
# Check if the filesystem is listed in /proc/filesystems
if ! grep -q "\<$ROOTFS_TYPE\>" /proc/filesystems; then # ensure exact match with \<...\>
# Try modprobing the fs module since it doesn't show up in /proc/filesystems if it's an unloaded module versus built-in
if ! modprobe "$ROOTFS_TYPE"; then
exit_with_error "Filesystem type unsupported by build host:" "$ROOTFS_TYPE"
else
display_alert "Sucessfully loaded kernel mopdule for filesystem" "$ROOTFS_TYPE" ""
fi
fi
# For f2fs, check if support for extended attributes is enabled in kernel config (otherwise will fail later when using rsync)
if [ "$ROOTFS_TYPE" = "f2fs" ]; then
local build_host_kernel_config=""
# Try to find kernel config in different places
if [ -f "/boot/config-$(uname -r)" ]; then
build_host_kernel_config="/boot/config-$(uname -r)"
elif [ -f "/proc/config.gz" ]; then
pigz -dc /proc/config.gz > /tmp/build_host_kernel_config # use pigz since it's a host dependency listed in prepare-host.sh
build_host_kernel_config="/tmp/build_host_kernel_config"
else
display_alert "Could not find kernel config of build host." "Build might fail in case of missing kernel configs for '${ROOTFS_TYPE}'." "wrn"
fi
# Check if required configurations are set
if [ -n "$build_host_kernel_config" ]; then
if ! grep -q '^CONFIG_F2FS_FS_XATTR=y$' "$build_host_kernel_config" || \
! grep -q '^CONFIG_F2FS_FS_SECURITY=y$' "$build_host_kernel_config"; then
exit_with_error "Required kernel configurations for f2fs filesystem not enabled." "Please enable CONFIG_F2FS_FS_XATTR and CONFIG_F2FS_FS_SECURITY in your kernel configuration." "err"
fi
fi
fi
else
display_alert "Could not check filesystem support via /proc/filesystems on build host." "Build might fail in case of unsupported rootfs type." "wrn"
fi
fi
# Support for LUKS / cryptroot
if [[ $CRYPTROOT_ENABLE == yes ]]; then
enable_extension "fs-cryptroot-support" # add the tooling needed, cryptsetup