From edc6ba42bd8f1ff428d92022e53fdc73fb09eeea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kier=C3=A1n=20Meinhardt?= <kieran.meinhardt@gmail.com>
Date: Wed, 30 Oct 2019 22:09:49 +0100
Subject: [PATCH] feat(deploy): manage versions in json

---
 _versions/home-manager.json     |  7 +++++++
 _versions/krops.json            |  7 +++++++
 _versions/nixpkgs-unstable.json |  7 +++++++
 _versions/nixpkgs.json          |  7 +++++++
 _versions/stockholm.json        |  7 +++++++
 deploy.nix                      | 18 +++++++++---------
 nixpkgs.json                    |  7 -------
 update-channels                 | 19 +++++++++++++++++++
 8 files changed, 63 insertions(+), 16 deletions(-)
 create mode 100644 _versions/home-manager.json
 create mode 100644 _versions/krops.json
 create mode 100644 _versions/nixpkgs-unstable.json
 create mode 100644 _versions/nixpkgs.json
 create mode 100644 _versions/stockholm.json
 delete mode 100644 nixpkgs.json
 create mode 100755 update-channels

diff --git a/_versions/home-manager.json b/_versions/home-manager.json
new file mode 100644
index 0000000..be89516
--- /dev/null
+++ b/_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
+}
diff --git a/_versions/krops.json b/_versions/krops.json
new file mode 100644
index 0000000..9e7c6ad
--- /dev/null
+++ b/_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
+}
diff --git a/_versions/nixpkgs-unstable.json b/_versions/nixpkgs-unstable.json
new file mode 100644
index 0000000..b53d8ee
--- /dev/null
+++ b/_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
+}
diff --git a/_versions/nixpkgs.json b/_versions/nixpkgs.json
new file mode 100644
index 0000000..b95e15a
--- /dev/null
+++ b/_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
+}
diff --git a/_versions/stockholm.json b/_versions/stockholm.json
new file mode 100644
index 0000000..8f5048b
--- /dev/null
+++ b/_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
+}
diff --git a/deploy.nix b/deploy.nix
index 03dcd14..bd22533 100644
--- a/deploy.nix
+++ b/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;
diff --git a/nixpkgs.json b/nixpkgs.json
deleted file mode 100644
index 69aea1b..0000000
--- a/nixpkgs.json
+++ /dev/null
@@ -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
-}
\ No newline at end of file
diff --git a/update-channels b/update-channels
new file mode 100755
index 0000000..a59b8dc
--- /dev/null
+++ b/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"