#!/usr/bin/env bash

usage_desc() {
	sed 's/^\t//' <<EOF
	Diffs the kernel ABI stablelist symtypes information and current symtypes
	for architecture ARCH.
EOF
}

# Called whenever a new symbol checksum is obtained
# cb_checksum ARCH SYMBOL CHECKSUM FILE SYMVERSIONS_FILE SYMTYPES_FILE
cb_checksum() {
	local arch="$1"
	local symbol="$2"
	local file="$4"
	local symtypes="$6"

	if [ ! -e $REDHAT/kabi/kabi-module/kabi_$arch/.$symbol ]; then
		echo "Reference file for $symbol on $arch not found."
		return
	fi

        $REDHAT/kabi/symtypes diff -s $symbol \
		$REDHAT/kabi/kabi-module/kabi_$arch/.$symbol $symtypes

	symref=${file:0:-1}symref
	rm -f $symref || :
	ln -s $(realpath $REDHAT/kabi/kabi-module/kabi_$arch/.$symbol) $symref
	make -s ${MAKE_ARGS[@]} $symtypes 2>&1 | grep "warning: $symbol:" || :
	rm -f $symref || :
}

# Called whenever the generate command finished successfully
cb_ready() {
	:
}

cd "$(git rev-parse --show-toplevel)"
REDHAT=${REDHAT:-$(pwd)/redhat/}

# Generate new symbol checksums and symvers files
. $REDHAT/kabi/symtype-generate