.lib/nix/Makefile.make

   1 nix: nix-install nixpkgs-install
   2 nix-update: nix-update nixpkgs-update
   3
   4 nix-install:
   5         if [ "$$(nix --version)" != "nix (Nix) $$(cat .lib/nix/version)" ]; then \
   6                 sh .lib/nix/install; \
   7         fi
   8
   9 nix-update: .lib/nix/install .lib/nix/install.asc
  10 .PHONY: .lib/nix/install .lib/nix/install.asc
  11 NIX_GPGKEY:=B541D55301270E0BCF15CA5D8170B4726D7198DE
  12 .lib/nix/install .lib/nix/install.asc:
  13         # DOC: https://nixos.org/nix/download.html
  14         cd .lib/nix && curl -OO https://nixos.org/releases/nix/nix-$$(cat .lib/nix/version)/{install,install.asc}
  15         gpg2 --recv-keys $(NIX_GPGKEY)
  16         gpg2 --verify .lib/nix/install.asc
  17
  18 nixpkgs-update: .lib/nix/nixpkgs.nix
  19 .PHONY: .lib/nix/nixpkgs.nix
  20 .lib/nix/nixpkgs.nix:
  21         # NOTE: this pins down the specific nixpkgs revision
  22         # currently used by the last Nix channel of the user;
  23         # it should be run from time to time.
  24         # DOC: https://nixos.wiki/wiki/How_to_fetch_Nixpkgs_with_an_empty_NIX_PATH
  25         set -x; \
  26         channel=$$(nix-channel --list | cut -f 1 -d ' ' | tail -1) && \
  27         rev=$$(cat ~/.nix-defexpr/channels/$$channel/.git-revision) && \
  28         sha256=$$(nix-prefetch-url --unpack https://github.com/NixOS/nixpkgs/archive/$$rev.tar.gz) && \
  29         echo >$@ "builtins.fetchTarball {url=\"https://github.com/NixOS/nixpkgs/archive/$$rev.tar.gz\"; sha256=\"$$sha256\";}"
  30 nixpkgs-clean:
  31         # Remove dependencies no longer set in .lib/nix/shell.nix
  32         rm -rf .cache/nix/gcroots
  33         # To free disk space, you can now run something like:
  34         #    nix-store --gc
  35
  36 #cachix-update:
  37 #       #! nix-shell -i bash https://github.com/NixOS/nixpkgs/tarball/db557aab7b690f5e0e3348459f2e4dc8fd0d9298 -A cachix
  38 #       # NOTE: build the shell environment and exit on completion.
  39 #       nix-shell .lib/nix/shell.nix --command exit
  40 #       # NOTE: get a list of all the derivations used
  41 #       # in the shell environment and push them to the cache.
  42 #       nix-store -qR --include-outputs $(nix-instantiate .lib/nix/shell.nix) | cachix push $1