go="${GO:-go}"
readonly go


bump_minor='/^v[0-9]+\.[0-9]+\.0$/ {
	print($1 "." $2 + 1 ".0");

	next;
}

{
	printf("invalid release version: \"%s\"\n", $0);

	exit 1;
}'
readonly bump_minor


get_last_minor_zero() {
	git tag\
		| grep -e 'v[0-9]\+\.[0-9]\+\.0$'\
		| sort -k 1.2,1nr -k 2,2nr -t '.'\
		| head -n 1
}


last_minor_zero="$( get_last_minor_zero )"
readonly last_minor_zero
num_commits_since_minor="$( git rev-list --count "${last_minor_zero}..HEAD" )"
readonly num_commits_since_minor

next_minor="$( echo "$last_minor_zero" | awk -F '.' "$bump_minor" )"
readonly next_minor

version="${next_minor}-a.${num_commits_since_minor}+$( git rev-parse --short HEAD )"

CGO_ENABLED='1'
GO111MODULE='on'
export CGO_ENABLED
export GO111MODULE

version_pkg='github.com/AdguardTeam/AdGuardHome/internal/version'
readonly version_pkg

ldflags="-s -w"
ldflags="${ldflags} -X ${version_pkg}.version=${version}"
ldflags="${ldflags} -X ${version_pkg}.channel=${channel}"

"$go" build\
	--ldflags "$ldflags"\
	--race=1\
	--trimpath\
	-o=AdGuardHome\
	-v=1\
	-x=1