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hosts/common/nix: migrate the nixpkgs-overlay integration point (part 1)

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this has to be done in two steps to avoid nix-daemon bugs
This commit is contained in:
Colin 2024-06-12 23:20:37 +00:00
parent aab9ed0d35
commit ea1a0b72b5
2 changed files with 11 additions and 2 deletions
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8
hosts/common/nix/default.nix
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@ -59,8 +59,12 @@
# note the import starts at repo root: this allows `./overlay/default.nix` to access the stuff at the root
# "nixpkgs-overlays=${../../..}/hosts/common/nix-path/overlay"
# as long as my system itself doesn't rely on NIXPKGS at runtime, we can point the overlays to git
# to avoid switching so much during development
"nixpkgs-overlays=/home/colin/dev/nixos/hosts/common/nix/overlay"
# to avoid `switch`ing so much during development.
# TODO: it would be nice to remove this someday!
# it's an impurity that touches way more than i need and tends to cause hard-to-debug eval issues
# when it goes wrong. should i port my `nix-shell` scripts to something more tailored to my uses
# and then delete `nixpkgs-overlays`?
"nixpkgs-overlays=/home/colin/dev/nixos/integrations/nixpkgs/nixpkgs-overlays.nix"
];
# ensure new deployments have a source of this repo with which they can bootstrap.

5
integrations/nixpkgs/nixpkgs-overlays.nix Normal file
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@ -0,0 +1,5 @@
# this file exists so i can use my custom packages inside `nix-shell`.
# it works by using stock upstream `nixpkgs`
# and putting NIX_PATH=nixpkgs-overlays=/path/to/here on the nixbld environment.
#
[(import ../../overlays/all.nix)]