add nix-index and bnc script

1 files changed, 42 insertions, 0 deletions

diff --git a/nixos/bnc.nix b/nixos/bnc.nix
new file mode 100644
index 0000000..46b6942
--- /dev/null
+++ b/nixos/bnc.nix
@@ -0,0 +1,42 @@
+{ config, pkgs, ... }:
+
+let bnc = pkgs.writeScriptBin "bnc" ''
+  #!${pkgs.bash}/bin/bash
+
+  FULLMODE=0
+  if [ "$1" == "-f" ]; then
+      FULLMODE=1
+      shift 1
+  fi
+
+  source $HOME/.awsrc
+
+  NIXKEY=$(mktemp)
+
+  _cleanup() {
+    echo "---- Cleaning up ----"
+    rm $NIXKEY
+  }
+  trap _cleanup EXIT
+
+  ${pkgs.pass}/bin/pass show deuxfleurs/nix_priv_key > $NIXKEY
+
+  for flake in "$@"; do
+      echo "---- Updating cache for flake ''${flake} ----"
+      if [ "$FULLMODE" = "1" ]; then
+          derivation=$(${pkgs.nix}/bin/nix path-info --derivation "''${flake}")
+          ${pkgs.nix}/bin/nix copy -j8 \
+            --to "s3://nix?endpoint=garage.deuxfleurs.fr&region=garage&secret-key=$NIXKEY" \
+            $(${pkgs.nix}/bin/nix-store -qR ''${derivation})
+      else
+          ${pkgs.nix}/bin/nix copy -j8 \
+              --to "s3://nix?endpoint=garage.deuxfleurs.fr&region=garage&secret-key=$NIXKEY" \
+              "''${flake}"
+      fi
+  done
+
+'';
+in
+{
+  environment.systemPackages = [ bnc ];
+}