papis: add module

tests/modules/programs/papis/default.nix

@@ -0,0 +1 @@
+{ papis = ./papis.nix; }

tests/modules/programs/papis/papis.nix

@@ -0,0 +1,46 @@
+{ ... }:
+
+{
+  programs.papis = {
+    enable = true;
+    settings = {
+      picktool = "fzf";
+      file-browser = "ranger";
+      add-edit = true;
+    };
+    libraries = {
+      papers = {
+        isDefault = true;
+        settings = {
+          dir = "~/papers";
+          opentool = "okular";
+        };
+      };
+      books.settings = {
+        dir = "~/books";
+        opentool = "firefox";
+      };
+    };
+  };
+
+  test.stubs.papis = { };
+
+  nmt.script = ''
+    assertFileContent home-files/.config/papis/config \
+    ${builtins.toFile "papis-expected-settings.ini" ''
+      [books]
+      dir=~/books
+      opentool=firefox
+
+      [papers]
+      dir=~/papers
+      opentool=okular
+
+      [settings]
+      add-edit=true
+      default-library=papers
+      file-browser=ranger
+      picktool=fzf
+    ''}
+  '';
+}