lw-build-system/scripts/version.sh

#!/bin/sh

if [ $# -eq 0 ]
then
	echo "Usage: $0 COMMANDS"
	echo ""
	echo "  major         - bump major version, reset minor and micro"
	echo "  minor         - bump minor version, reset micro"
	echo "  micro         - bump micro version"
	echo "  libmajor LIB  - as major but for soversion"
	echo "  libmicro LIB  - as micro but for soversion"
	echo "  tag           - tag version"
	echo "  push          - do a git-push with --tags"

	exit 1
fi

edit_versions() {
	file="$1"
	shift

	SEDCMD=""
	while [ $# -ne 0 ]
	do
		var="$1"
		shift
		value="$1"
		shift

		SEDCMD="${SEDCMD} -e s,^${var}=.*$,${var}=${value},"
	done
	sed ${SEDCMD} -i "${file}"
	git-commit -m "Bump version" "${file}"
}

bump_major() {
	source version
	edit_versions "version" "VERMAJOR" "$[${VERMAJOR} + 1]" "VERMINOR" "0" "VERMICRO" "0"
}

bump_minor() {
	source version
	edit_versions "version" "VERMINOR" "$[${VERMINOR} + 1]" "VERMICRO" "0"
}

bump_micro() {
	source version
	edit_versions "version" "VERMICRO" "$[${VERMICRO} + 1]"
}

bump_somajor() {
	source src/$1/soversion
	edit_versions "src/$1/soversion" "SOMAJOR" "$[${SOMAJOR} + 1]" "SOMINOR" "0" "SOMICRO" "0"
}

bump_somicro() {
	source src/$1/soversion
	edit_versions "src/$1/soversion" "SOMICRO" "$[${SOMICRO} + 1]"
}

do_tag() {
	source version
	git-tag "${VERMAJOR}.${VERMINOR}.${VERMICRO}"
}

do_push() {
	git-push
	git-push --tags
}

set -ex

while [ $# -ne 0 ]
do
	case $1 in
	major)
		bump_major
		;;

	minor)
		bump_minor
		;;

	micro)
		bump_micro
		;;

	libmajor)
		bump_somajor $2
		shift
		;;

	libmicro)
		bump_somicro $2
		shift
		;;

	tag)
		do_tag
		;;
	
	push)
		do_push
		;;
	
	*)
		echo "Unrecognised command: $1"
		exit 1
		;;
	esac

	shift
done

true