funcs.sh

#
# This is the core functionality taken out so it can be tested
#
# Core funcs.
increment() {
	echo $(($1 + 1))
}

clean_string() {
	echo "${1}" | tr -d '\n' | tr -d ' '
}

get_major() {
	echo "${1}" | cut -d'.' -f1
}

get_minor() {
	echo "${1}" | cut -d'.' -f2
}

get_patch() {
	if [[ ${1} == *"-"* ]]; then
		echo "${1}" | cut -d'.' -f3 | cut -d'-' -f1
	else
		echo "${1}" | cut -d'.' -f3
	fi
}

get_maturity() {
	if [[ ${1} == *"-"* ]]; then
		echo "${1}" | cut -d'.' -f3 | cut -d'-' -f2
	else
		echo ""
	fi
}

# Docker funcs.
is_tagged_version() {
	if [[ $1 =~ refs/tags/v(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*) ]]; then
		return 0
	else
		return 1
	fi
}

get_docker_tags() {
	# Arguments:
	#  - Name reference for the array
	#  - Name of the docker image
	#  - The semver we are using to create the tags

	local -n arr=$1 # use nameref to create values
	name=$2
	semver=$3

	major=$(get_major "${semver}")
	minor=$(get_minor "${semver}")
	patch=$(get_patch "${semver}")
	maturity=$(get_maturity "${semver}")

	if [ -z ${maturity} ]; then
		echo "Detected Version: ${major} . ${minor} . ${patch}"
		full_tag="${name}:${major}.${minor}.${patch}"
		minor_tag="${name}:${major}.${minor}"
		major_tag="${name}:${major}"
	else
		echo "Detected Version: ${major} . ${minor} . ${patch} [${maturity}]"
		full_tag="${name}:${major}.${minor}.${patch}-${maturity}"
		minor_tag="${name}:${major}.${minor}-${maturity}"
		major_tag="${name}:${major}-${maturity}"
	fi
	arr=($full_tag $minor_tag $major_tag)
}

# Auto-tag funcs.
is_valid_tag_name() {
	if [[ $1 =~ v(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*) ]]; then
		return 0
	else
		return 1
	fi
}

is_selected() {
	body=$1
	phrase=$2
	if [ $(echo "${body}" | grep -c "\[x\] ${phrase}") -gt 0 ]; then
		echo true
	else
		echo false
	fi
}

is_patch_selected() {
	local phrase=Patch
	is_selected "$1" "${phrase}"
}

is_minor_selected() {
	local phrase="Minor version"
	is_selected "$1" "${phrase}"
}

is_major_selected() {
	local phrase="Major version"
	is_selected "$1" "${phrase}"
}

is_skip_selected() {
	local phrase="Skip auto-tagging"
	is_selected "$1" "${phrase}"
}

get_latest_tag() {
	git fetch --prune --unshallow --tags --force # This is needed - without it no tags are found.
	maybe_latest_tag=$(git tag --list 'v*' --sort=-v:refname | head -n1)
 	latest_tag=${maybe_latest_tag:-0.0.0}

	echo "${latest_tag}"
}