From a54a63c491556b746dab02a0766034af70c61457 Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Tue, 18 Oct 2022 14:19:19 +0200
Subject: [PATCH] Add function to upload a build and its dependencies to the
 cache

to faster bootstrap new runner nodes
---
 shell.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/shell.nix b/shell.nix
index 3b98f8b1..480bc349 100644
--- a/shell.nix
+++ b/shell.nix
@@ -66,6 +66,18 @@ function refresh_toolchain {
   rm /tmp/nix-signing-key.sec
 }
 
+function refresh_cache {
+  pass show deuxfleurs/nix_priv_key > /tmp/nix-signing-key.sec
+  for attr in clippy.amd64 test.amd64 pkgs.{amd64,i386,arm,arm64}.{debug,release}; do
+    echo "Updating cache for ''${attr}"
+    derivation=$(nix-instantiate --attr ''${attr})
+    nix copy \
+      --to 's3://nix?endpoint=garage.deuxfleurs.fr&region=garage&secret-key=/tmp/nix-signing-key.sec' \
+      $(nix-store -qR ''${derivation%\!bin})
+  done
+  rm /tmp/nix-signing-key.sec
+}
+
 function to_s3 {
   aws \
       --endpoint-url https://garage.deuxfleurs.fr \