feat(deploy): manage versions in json

_versions/home-manager.json

@@ -0,0 +1,7 @@
+{
+  "url": "https://github.com/rycee/home-manager.git",
+  "rev": "dff5f07952e61da708dc8b348ea677414e992215",
+  "date": "2019-10-29T23:11:09+01:00",
+  "sha256": "16ibf367ay6dkwv6grrkpx8nf0nz3jlr3xxpjv4zjj0v3imwlq6b",
+  "fetchSubmodules": false
+}

_versions/krops.json

@@ -0,0 +1,7 @@
+{
+  "url": "https://cgit.krebsco.de/krops",
+  "rev": "89a83135e7ac5e1452c04f5581c00ff293bd01f5",
+  "date": "2019-06-29T13:39:10+02:00",
+  "sha256": "0fxm471rpkijijhvbfgpw6y1k5qdrww2v351v2lyswkvrrqgmidk",
+  "fetchSubmodules": false
+}

_versions/nixpkgs-unstable.json

@@ -0,0 +1,7 @@
+{
+  "url": "https://github.com/NixOS/nixpkgs-channels.git",
+  "rev": "4cd2cb43fb3a87f48c1e10bb65aee99d8f24cb9d",
+  "date": "2019-10-23T18:19:15+00:00",
+  "sha256": "1d6rmq67kdg5gmk94wx2774qw89nvbhy6g1f2lms3c9ph37hways",
+  "fetchSubmodules": false
+}

_versions/nixpkgs.json

@@ -0,0 +1,7 @@
+{
+  "url": "https://github.com/NixOS/nixpkgs-channels.git",
+  "rev": "c75de8bc12cc7e713206199e5ca30b224e295041",
+  "date": "2019-10-27T17:40:06+01:00",
+  "sha256": "1awipcjfvs354spzj2la1nzmi9rh2ci2mdapzf4kkabf58ilra6x",
+  "fetchSubmodules": false
+}

_versions/stockholm.json

@@ -0,0 +1,7 @@
+{
+  "url": "https://cgit.krebsco.de/stockholm",
+  "rev": "ea5b591d065b721666fc3527ad45a7545a594a77",
+  "date": "2019-10-23T21:00:14+02:00",
+  "sha256": "0fyxwmyb5b3nlmi6jni6ny2a63h8g4z0bsrb4gbbzvw31gf6mwhb",
+  "fetchSubmodules": false
+}

deploy.nix

@@ -1,7 +1,7 @@
 let
   krops = builtins.fetchGit {
     url = "https://cgit.krebsco.de/krops/";
-    ref = "v1.14.0";
+    ref = (importJson _versions/krops.json).rev;
   };
   lib = import "${krops}/lib";
   pkgs = import "${krops}/pkgs" {};
@@ -15,20 +15,20 @@ let
         nixos-config.symlink = "system/configuration.nix";
 
         nixpkgs.git = {
-          url = https://github.com/NixOS/nixpkgs-channels;
-          ref = (importJson ./nixpkgs.json).rev;
+          url = "https://github.com/NixOS/nixpkgs-channels";
+          ref = (importJson _versions/nixpkgs.json).rev;
         };
         nixos-unstable.git = {
-          url = https://github.com/NixOS/nixpkgs-channels;
-          ref = "07d4df5";
+          url = "https://github.com/NixOS/nixpkgs-channels";
+          ref = (importJson _versions/nixpkgs-unstable.json).rev;
         };
         home-manager.git = {
-          url = https://github.com/rycee/home-manager;
-          ref = "31e8494";
+          url = "https://github.com/rycee/home-manager";
+          ref = (importJson _versions/home-manager.json).rev;
         };
         stockholm.git = {
-          url = https://cgit.krebsco.de/stockholm;
-          ref = "421a9792";
+          url = "https://cgit.krebsco.de/stockholm";
+          ref = (importJson _versions/stockholm.json).rev;
         };
         secrets.pass = {
           dir = toString ~/.password-store/systems;

nixpkgs.json

@@ -1,7 +0,0 @@
-{
-  "url": "https://github.com/NixOS/nixpkgs-channels",
-  "rev": "27a5ddcf747fb2bb81ea9c63f63f2eb3eec7a2ec",
-  "date": "2019-10-23T23:56:43+02:00",
-  "sha256": "1bp11q2marsqj3g2prdrghkhmv483ab5pi078d83xkhkk2jh3h81",
-  "fetchSubmodules": false
-}

update-channels

@@ -0,0 +1,19 @@
+#!/bin/sh
+fetch() {
+  rev=$1
+  output=$2
+  url=${3:-https://github.com/NixOS/nixpkgs-channels.git}
+
+  printf "\033[1m$url\033[0m $rev\n"
+  nix-prefetch-git \
+    --url "${url}" \
+    --rev "${rev}" \
+    > "${output}"
+}
+
+fetch "refs/heads/nixos-19.09" _versions/nixpkgs.json
+fetch "refs/heads/nixos-unstable" _versions/nixpkgs-unstable.json
+
+fetch "refs/heads/release-19.09" _versions/home-manager.json "https://github.com/rycee/home-manager.git"
+fetch "refs/tags/v1.15.0" _versions/krops.json "https://cgit.krebsco.de/krops"
+fetch "ea5b591d065b721666fc3527ad45a7545a594a77" _versions/krops.json "https://cgit.krebsco.de/stockholm"