My custom build script for linux.git.

git-make.zsh

# usage: git-make       ;for x86 linux.git build or make -j 8
#    or: git-make prove ;for git.git tests
#    or: git-make um    ;for um linux.git build
#    or: git-make um32  ;for um32 linux.git build
#    or: git-make arm   ;for arm64 linux.git build
function git-make () {
	unset ARCH
	unset SUBARCH
	unset CROSS_COMPILE

	test "true" = "$(g rp --is-inside-work-tree 2>/dev/null)" || exit 1
	case "$1" in
	"prove")
		make -j 8 test
		;;
	"um")
		make mrproper
		make defconfig ARCH=um
		make -j 8 ARCH=um
		;;
	"um32")
		make mrproper
		make defconfig ARCH=um SUBARCH=i386
		make -j 8 ARCH=um SUBARCH=i386
		;;
	"arm")
		make mrproper
		make defconfig ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
		make -j 8 ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
		;;
	*)
		if test -f Kconfig; then
			make mrproper
			make defconfig ARCH=x86
			make -j 8 ARCH=x86
		else
			make -j 8
		fi
	esac
}