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nixfiles
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modules/nixfiles: package script with writeShellApplication

This commit is contained in:
clerie 2023-07-01 00:42:34 +02:00
parent 176075485f
commit 4b40063bc2
2 changed files with 54 additions and 49 deletions
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57
modules/nixfiles/default.nix
View File

@ -3,55 +3,14 @@
with lib;
let
nixfiles-generate-config = pkgs.writeScriptBin "nixfiles-generate-config" ''
#!${pkgs.bash}/bin/bash
set -euo pipefail
hostname=$(hostname --short)
root=""
ngcroot=""
while [[ $# -gt 0 ]]; do
case $1 in
--root)
root=$2
ngcroot="--root ''${root}"
shift
shift
;;
--hostname)
hostname=$2
shift
shift
;;
*)
echo "unknown option: $1"
exit 1
;;
esac
done
mkdir -p ''${root}/etc/nixos
if [[ ! -d "''${root}/etc/nixos/.git" ]]; then
${pkgs.git}/bin/git clone https://git.clerie.de/clerie/nixfiles.git ''${root}/etc/nixos
${pkgs.git}/bin/git -C ''${root}/etc/nixos remote set-url origin gitea@git.clerie.de:clerie/nixfiles.git
fi
mkdir -p ''${root}/etc/nixos/hosts/''${hostname}
nixos-generate-config ''${ngcroot} --dir ''${root}/etc/nixos/hosts/''${hostname}
# make sure host is added to flake.nix
if ! grep -q "''${hostname} = generateNixosSystem \"''${hostname}\";" ''${root}/etc/nixos/flake.nix; then
sed -i "s/\(\s*\)_iso = generateNixosSystem \"_iso\";/\1''${hostname} = generateNixosSystem \"''${hostname}\";\n&/g" ''${root}/etc/nixos/flake.nix
fi
sed -i "s/\%HOSTNAME\%/''${hostname}/g" ''${root}/etc/nixos/hosts/''${hostname}/configuration.nix
git -C ''${root}/etc/nixos add ''${root}/etc/nixos/hosts/''${hostname}
'';
nixfiles-generate-config = pkgs.writeShellApplication {
name = "nixfiles-generate-config";
text = builtins.readFile ./nixfiles-generate-config.sh;
runtimeInputs = [
pkgs.git
];
checkPhase = "";
};
in {
options.clerie.nixfiles.enable = mkEnableOption "clerie nixfiles tools";
config = mkIf config.clerie.nixfiles.enable {

46
modules/nixfiles/nixfiles-generate-config.sh Normal file
View File

@ -0,0 +1,46 @@
#!/usr/bin/env bash
set -euo pipefail
hostname=$(hostname --short)
root=""
ngcroot=""
while [[ $# -gt 0 ]]; do
case $1 in
--root)
root=$2
ngcroot="--root ${root}"
shift
shift
;;
--hostname)
hostname=$2
shift
shift
;;
*)
echo "unknown option: $1"
exit 1
;;
esac
done
mkdir -p "${root}/etc/nixos"
if [[ ! -d "${root}/etc/nixos/.git" ]]; then
git clone https://git.clerie.de/clerie/nixfiles.git "${root}/etc/nixos"
git -C "${root}/etc/nixos" remote set-url origin gitea@git.clerie.de:clerie/nixfiles.git
fi
mkdir -p "${root}/etc/nixos/hosts/${hostname}"
nixos-generate-config ${ngcroot} --dir "${root}/etc/nixos/hosts/${hostname}"
# make sure host is added to flake.nix
if ! grep -q "${hostname} = generateNixosSystem \"${hostname}\";" "${root}/etc/nixos/flake.nix"; then
sed -i "s/\(\s*\)_iso = generateNixosSystem \"_iso\";/\1${hostname} = generateNixosSystem \"${hostname}\";\n&/g" "${root}/etc/nixos/flake.nix"
fi
sed -i "s/\%HOSTNAME\%/${hostname}/g" "${root}/etc/nixos/hosts/${hostname}/configuration.nix"
git -C "${root}/etc/nixos" add "${root}/etc/nixos/hosts/${hostname}"