ctucx.git: nixfiles

niv: update all channels

diff --git a/nix/sources.json b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "ryantm",
         "repo": "agenix",
-        "rev": "0d5e59ed645e4c7b60174bc6f6aac6a203dc0b01",
-        "sha256": "1mb9xgblx9bc56sv6v0jfjlfj6qkvq3jhzlsgs6z0mgcvpb5jvwb",
+        "rev": "7e5e58b98c3dcbf497543ff6f22591552ebfe65b",
+        "sha256": "1cfdd2ja56g8clllygf91il7dignr90ij1bl29g3kl7dl977dhl4",
         "type": "tarball",
-        "url": "https://github.com/ryantm/agenix/archive/0d5e59ed645e4c7b60174bc6f6aac6a203dc0b01.tar.gz",
+        "url": "https://github.com/ryantm/agenix/archive/7e5e58b98c3dcbf497543ff6f22591552ebfe65b.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "darwin": {

@@ -53,10 +53,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5a3499e427191083853c64dcdfe073d7e7d89de9",
-        "sha256": "0gizsd04mjlhjbc0jxlgb73zn6a8p0zlzg2b2n2s4aahiv6n2svf",
+        "rev": "cbd40c72b2603ab54e7208f99f9b35fc158bc009",
+        "sha256": "09ffmjs9lwm97p8v8977p319kc8ys2fjnyv08gb99kgbr7gfiyfd",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/5a3499e427191083853c64dcdfe073d7e7d89de9.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/cbd40c72b2603ab54e7208f99f9b35fc158bc009.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {

@@ -65,10 +65,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "51d859cdab1ef58755bd342d45352fc607f5e59b",
-        "sha256": "02wi4nll9ninm3szny31r5a40lpg8vgmqr2n87gxyysb50c17w4i",
+        "rev": "52dc75a4fee3fdbcb792cb6fba009876b912bfe0",
+        "sha256": "1mc7qncf38agvyd589akch0war71gx5xwfli9lh046xqsqsbhhl0",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/51d859cdab1ef58755bd342d45352fc607f5e59b.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/52dc75a4fee3fdbcb792cb6fba009876b912bfe0.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }

diff --git a/nix/sources.nix b/nix/sources.nix
@@ -31,8 +31,28 @@ let
           if spec ? branch then "refs/heads/${spec.branch}" else
             if spec ? tag then "refs/tags/${spec.tag}" else
               abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";
+      submodules = if spec ? submodules then spec.submodules else false;
+      submoduleArg =
+        let
+          nixSupportsSubmodules = builtins.compareVersions builtins.nixVersion "2.4" >= 0;
+          emptyArgWithWarning =
+            if submodules == true
+            then
+              builtins.trace
+                (
+                  "The niv input \"${name}\" uses submodules "
+                  + "but your nix's (${builtins.nixVersion}) builtins.fetchGit "
+                  + "does not support them"
+                )
+                {}
+            else {};
+        in
+          if nixSupportsSubmodules
+          then { inherit submodules; }
+          else emptyArgWithWarning;
     in
-      builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };
+      builtins.fetchGit
+        ({ url = spec.repo; inherit (spec) rev; inherit ref; } // submoduleArg);
 
   fetch_local = spec: spec.path;