flake: add 'upcache' command

easy way to push dev env to cachix
2022-05-21 19:41:43 +02:00 · 2022-05-21 19:41:43 +02:00 · 9f37caad91
commit 9f37caad91
parent d0350962e9
1 changed files with 10 additions and 0 deletions
--- a/flake.nix
+++ b/flake.nix
@ -127,6 +127,15 @@
            cd $(git rev-parse --show-toplevel)
            go test ./...
          '';
+          upcache = pkgs.writeShellScriptBin "upcache" ''
+            ## refs:
+            ##   https://fzakaria.com/2020/08/11/caching-your-nix-shell.html
+            ##   https://nixos.wiki/wiki/Caching_nix_shell_build_inputs
+            nix-store --query --references $(nix-instantiate shell.nix) | \
+              xargs nix-store --realise | \
+              xargs nix-store --query --requisites | \
+              cachix push go-xkcdreader
+          '';
        in
        {
          default = with pkgs; mkShell
@ -163,6 +172,7 @@
                ## ad-hoc cmds
                gob
                gota
+                upcache

                gopls
                gofumpt