From 8ed767242ad201aa2a77b57d021391f1a04f2a30 Mon Sep 17 00:00:00 2001
From: vkcku <git@mail.vkcku.com>
Date: Mon, 1 Jun 2026 20:04:02 +0530
Subject: infra: add deploy script

monorepo-revid: 84b860704659f6c878f887f7e0b6ce61dad9f907
---
 infra/deploy.nix | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 infra/deploy.nix

diff --git a/infra/deploy.nix b/infra/deploy.nix
new file mode 100644
index 0000000..c828008
--- /dev/null
+++ b/infra/deploy.nix
@@ -0,0 +1,62 @@
+{
+  perSystem =
+    { lib, pkgs, ... }:
+    {
+      apps.infra-deploy =
+        let
+          hosts = builtins.attrNames (
+            lib.attrsets.filterAttrs (_: type: type == "directory") (builtins.readDir ./hosts)
+          );
+
+          bin = pkgs.writeShellApplication {
+            name = "deploy";
+            runtimeInputs = [
+              # keep-sorted start
+              pkgs.fzf
+              pkgs.git
+              pkgs.inetutils
+              pkgs.nixos-rebuild
+              # keep-sorted end
+            ];
+            text = ''
+              selected=("$@")
+
+              if [ "''${#selected[@]}" -eq 0 ]; then
+                readarray -t selected < <(printf '%s\n' ${lib.escapeShellArgs hosts} | fzf --multi)
+              fi
+
+              if [ "''${#selected[@]}" -eq 0 ]; then
+                echo "error: no host selected" >&2
+                exit 1
+              fi
+
+              if [ "''${#selected[@]}" -eq 1 ] && [ "''${selected[0]}" = "all" ]; then
+                selected=(${lib.escapeShellArgs hosts})
+              fi
+
+              rootdir="$(git rev-parse --show-toplevel)"
+
+              for host in "''${selected[@]}"; do
+                target=()
+                if [ "$host" != "$(hostname)" ]; then
+                  target=(--target-host "deploy@$host")
+                fi
+
+                echo "info: deploying $host"
+                nixos-rebuild switch \
+                  --no-reexec \
+                  --use-substitutes \
+                  --sudo \
+                  --flake "$rootdir#$host" \
+                  "''${target[@]}"
+              done
+            '';
+          };
+        in
+        {
+          type = "app";
+          program = "${bin}/bin/deploy";
+          meta.description = "deploy the nixos configurations to the given hosts";
+        };
+    };
+}
-- 
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