let bedtools =
Installable_tool.make Machine.Tool.Default.bedtools
~url:"https://github.com/arq5x/bedtools2/archive/v2.23.0.tar.gz"
~install_program:(fun ~path -> KEDSL.Program.(
sh "make" && shf "cp -r bin %s" path))
~init_program:(fun ~path ->
KEDSL.Program.(shf "export PATH=%s/bin/:$PATH" path))
~witness:(witness_file @@ "bin" // "bedtools")