Using toBashMap at scale

[kamadorueda]

building '/nix/store/2c7h6nyhi5qr8mpxrq4w8y5wmiiwn6ay-make-template-for-as-bash-map.drv'...

while setting up the build environment: executing '/nix/store/dpjnjrqbgbm8a5wvi1hya01vd8wyvsq4-bash-4.4-p23/bin/bash': Argument list too long

builder for '/nix/store/2c7h6nyhi5qr8mpxrq4w8y5wmiiwn6ay-make-template-for-as-bash-map.drv' failed with exit code 1