1eval "$preInstall" 2 3args= 4 5target=$out 6if test -n "$dir"; then 7 target=$out/$dir/$name 8 mkdir -p $out/$dir 9fi 10 11substituteAll $src $target 12 13if test -n "$isExecutable"; then 14 chmod +x $target 15fi 16 17eval "$postInstall"