Uses inotify to watch a file and print when it is modified, so we can
update the parser and display the sexp on the terminal.
Now the setup is good enough to start experiementing with queries on
the syntax tree.
Change-Id: I091587fc495ff627c79a69a52915aaaa8c51fcd2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2411
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>
Uses the rust library to set up a simple nix parsing expression, which
reads a nix file and prints the sexp tree.
Change-Id: I32dc9c7b39aa0f7ffa2b99348d6c2269e5fe1a6a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2402
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>