FindTargetsFrom find all dir under {workdir}/{subdir}/ with 1 depth as target and then filter target if it does not contains {mustContainFile} [example]: workdir/ |- cmd |- a - main.go |- b - main.go |- c - xxx.go call findTargetsFrom(workdir, "cmd", "main.go") -> result: ["cmd/a", "cmd/b"] .