feat(justfile): switch away from nh

replaces nh with a super cool and awesome bash script that basically
does the exact same thing except i am the one who wrote it so it's
cooler true and real

justfile

@@ -5,25 +5,20 @@ check:
     nix flake check
 
 switch *args:
-    @sudo -v
-    nh os switch --no-nom --ask . -- --keep-going {{args}}
+    bash switch.sh {{ justfile_directory() }} {{args}}
 
 rollback:
-    @sudo -v
     sudo nixos-rebuild switch --rollback
 
 boot *args:
-    @sudo -v
-    nh os boot --no-nom --ask . -- --keep-going {{args}}
+    sudo nixos-rebuild boot --flake {{ justfile_directory() }} --keep-going {{args}}
 
 deploy system user="leo":
     #!/usr/bin/env bash
-    set -euxo pipefail
+    set -euo pipefail
     flake=$(nix eval --impure --raw --expr "(builtins.getFlake \"git+file://$PWD\").outPath")
     nix copy "$flake" --to "ssh://{{user}}@{{system}}"
-    # -R/--bypass-root-check is needed because of a Git CVE regression in Nix 2.20
-    # See NixOS/nix#10202, viperML/nh#200
-    ssh -t "{{user}}@{{system}}" "sudo flock -w 60 /dev/shm/deploy-{{system}} nix run n#nh -- os switch --no-nom -R -H {{system}} --ask $flake"
+    ssh -t "{{user}}@{{system}}" "bash $flake/switch.sh $flake"
 
 lint *args:
     statix check -i flake.nix **/hardware-configuration.nix {{args}}