tests/git: add git-lfs test

Signed-off-by: Austin Horstman <khaneliman12@gmail.com>

tests/modules/programs/git/default.nix

@@ -8,6 +8,7 @@
   git-without-signing-key-id = ./git-without-signing-key-id.nix;
   git-without-signing = ./git-without-signing.nix;
   git-with-hooks = ./git-with-hooks.nix;
+  git-with-lfs = ./git-with-lfs.nix;
   git-with-maintenance = ./git-with-maintenance.nix;
   git-patdiff = ./git-patdiff.nix;
 }

tests/modules/programs/git/git-with-lfs-expected.conf

@@ -0,0 +1,15 @@
+[filter "lfs"]
+	clean = "git-lfs clean -- %f"
+	process = "git-lfs filter-process --skip"
+	required = true
+	smudge = "git-lfs smudge --skip -- %f"
+
+[gpg]
+	format = "openpgp"
+
+[gpg "openpgp"]
+	program = "@gnupg@/bin/gpg"
+
+[user]
+	email = "user@example.org"
+	name = "John Doe"

tests/modules/programs/git/git-with-lfs.nix

@@ -0,0 +1,17 @@
+{
+  programs.git = {
+    enable = true;
+    userName = "John Doe";
+    userEmail = "user@example.org";
+
+    lfs = {
+      enable = true;
+      skipSmudge = true;
+    };
+  };
+
+  nmt.script = ''
+    assertFileExists home-files/.config/git/config
+    assertFileContent home-files/.config/git/config ${./git-with-lfs-expected.conf}
+  '';
+}