add zippy to implemente "update" command

pkgs/oizys-nim/default.nix

@@ -8,5 +8,5 @@ buildNimblePackage {
   verions = "unstable";
   src = lib.cleanSource ./.;
   nativeBuildInputs = [ openssl ];
-  nimbleDepsHash = "sha256-KErXGNNU5VVBHcvBmBhbagxZabHzajY5dF2OLHPmWf8=";
+  nimbleDepsHash = "sha256-WeTbNoF+TuzWriqoHWk5DBVgBXtNBIBHMkwy8/+a2JA=";
 }

pkgs/oizys-nim/nimble.lock

@@ -30,6 +30,16 @@
       "checksums": {
         "sha1": "6aeb83e7481ca8686396a568096054bc668294df"
       }
+    },
+    "zippy": {
+      "version": "0.10.16",
+      "vcsRevision": "a99f6a7d8a8e3e0213b3cad0daf0ea974bf58e3f",
+      "url": "https://github.com/guzba/zippy",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "da3bb5ea388f980babcc29760348e2899d29a639"
+      }
     }
   },
   "tasks": {}

pkgs/oizys-nim/oizys.nimble

@@ -13,4 +13,5 @@ bin           = @["oizys"]
 requires "nim >= 2.0.8"
 requires "cligen"
 requires "jsony"
+requires "zippy"
 requires "https://github.com/daylinmorgan/bbansi#9a85d9e"

pkgs/oizys-nim/todo.md

@@ -2,7 +2,7 @@
 
 - [x] nix commands including dry runs
 - [ ] gh api commands
-  - [ ] ci <- start with the easier one
+  - [x] ci <- start with the easier one
   - [ ] update
 
 <!-- generated with <3 by daylinmorgan/todo -->