Add custom nix flake (#51)

# What's changing?

This adds a `flake.nix` file, allowing users to build and install
LazyGithub via nix.

# Why is it changing?

Previous installation mechanisms meant either installing via the Github
CLI or via `uvx`, which weren't always the most convenient.

---------

Co-authored-by: gizmo385 <gizmo385@users.noreply.github.com>

Author: gizmo385

.claude/settings.local.json

@@ -3,7 +3,12 @@
     "allow": [
       "Bash(find:*)",
       "Bash(ls:*)",
-      "Bash(./start.sh:*)"
+      "Bash(./start.sh:*)",
+      "Bash(nix flake check:*)",
+      "Bash(nix-prefetch-url:*)",
+      "Bash(nix-prefetch-github:*)",
+      "Bash(nix search:*)",
+      "Bash(nix build:*)"
     ],
     "deny": []
   }

.gitignore

@@ -158,3 +158,6 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+# nix stuff
+result

flake.lock

@@ -0,0 +1,84 @@
+{
+  description = "A terminal UI for interacting with Github";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        # Use Python with tests disabled globally
+        python = pkgs.python311.override {
+          packageOverrides = final: prev: {
+            buildPythonPackage =
+              args:
+              prev.buildPythonPackage (
+                args
+                // {
+                  doCheck = false;
+                }
+              );
+            buildPythonApplication =
+              args:
+              prev.buildPythonApplication (
+                args
+                // {
+                  doCheck = false;
+                }
+              );
+          };
+        };
+
+      in
+      {
+        packages.default = python.pkgs.buildPythonApplication {
+          pname = "lazy-github";
+          version = builtins.replaceStrings ["\n" "\"" " " "VERSION" "="] ["" "" "" "" ""] (builtins.readFile ./lazy_github/version.py);
+          format = "pyproject";
+
+          src = ./.;
+
+          nativeBuildInputs = with python.pkgs; [
+            hatchling
+          ];
+
+          propagatedBuildInputs = with python.pkgs; [
+            httpx
+            hishel
+            pydantic
+            textual
+            click
+          ];
+
+          doCheck = false;
+
+          meta = with pkgs.lib; {
+            description = "A terminal UI for interacting with Github";
+            homepage = "https://github.com/gizmo385/gh-lazy";
+            license = licenses.mit;
+            maintainers = [ ];
+          };
+        };
+
+        # Development shell
+        devShells.default = pkgs.mkShell {
+          buildInputs = [
+            python
+            python.pkgs.pip
+            python.pkgs.uv
+          ];
+        };
+      }
+    );
+}
+

flake.nix

@@ -1,3 +1,4 @@
+import os
 import shutil
 
 import click
@@ -14,6 +15,10 @@
 @click.pass_context
 def cli(ctx: click.Context) -> None:
     """A Terminal UI for interacting with Github"""
+    # Set LAZY_GITHUB_ORIGINAL_PWD if not already set (fixes repo detection when installed via flake)
+    if "LAZY_GITHUB_ORIGINAL_PWD" not in os.environ:
+        os.environ["LAZY_GITHUB_ORIGINAL_PWD"] = os.getcwd()
+    
     if ctx.invoked_subcommand is None:
         ctx.invoke(run)
 

lazy_github/cli.py

@@ -4,7 +4,7 @@
 
 from pydantic import BaseModel
 from pydantic.fields import FieldInfo
-from textual import on, work
+from textual import on
 from textual.app import ComposeResult
 from textual.binding import Binding
 from textual.containers import Container, Horizontal, ScrollableContainer, Vertical
@@ -16,8 +16,6 @@
 from textual.validation import ValidationResult, Validator
 from textual.widget import Widget
 from textual.widgets import Button, Collapsible, Input, Label, Markdown, RichLog, Rule, Select, Static, Switch
-from textual_fspicker import FileOpen
-from textual_fspicker.path_filters import Filters
 
 from lazy_github.lib.bindings import LazyGithubBindings
 from lazy_github.lib.context import LazyGithubContext
@@ -41,59 +39,12 @@ def validate(self, value: str) -> ValidationResult:
         return self.success()
 
 
-class FileSelector(Vertical):
-    DEFAULT_CSS = """
-    FileSelector {
-        height: 10;
-    }
-
-    Input {
-        width: 70;
-    }
-    """
+class PathInput(Input):
+    """Simple input field for file paths"""
 
     def __init__(self, field_name: str, field: FieldInfo, selected_file: Path | None) -> None:
-        super().__init__()
-        self.field_name = field_name
-        self.field = field
-        self.selected_file: Path | None = selected_file
-
-        self.input_id = _id_for_field_input(self.field_name)
-        self.submit_button = Button("Select File")
-        self.remove_button = Button("Remove File")
-        self.remove_button.visible = self.selected_file is not None
-        self.remove_button.display = self.selected_file is not None
-
-    def compose(self) -> ComposeResult:
-        current_filename = str(self.selected_file) if self.selected_file else ""
-        yield Input(current_filename, disabled=True, id=self.input_id, placeholder="No file selected")
-        yield self.submit_button
-        yield self.remove_button
-
-    @work
-    async def select_file(self) -> None:
-        markdown_filter = Filters(("Markdown", lambda p: p.suffix.lower() == ".md"))
-        file_picker = FileOpen(
-            open_button="Select",
-            default_file=self.selected_file,
-            must_exist=True,
-            filters=markdown_filter,
-        )
-        if new_selected_file := await self.app.push_screen_wait(file_picker):
-            self.selected_file = new_selected_file
-            self.query_one(f"#{self.input_id}", Input).value = str(new_selected_file)
-
-    @on(Button.Pressed)
-    async def handle_select_file_pressed(self, press: Button.Pressed) -> None:
-        if press.button is self.submit_button:
-            self.select_file()
-            self.remove_button.visible = True
-            self.remove_button.display = True
-        elif press.button is self.remove_button:
-            self.query_one(f"#{self.input_id}", Input).value = ""
-            self.selected_file = None
-            self.remove_button.visible = False
-            self.remove_button.display = False
+        current_filename = str(selected_file) if selected_file else ""
+        super().__init__(value=current_filename, id=_id_for_field_input(field_name), placeholder="Enter file path...")
 
 
 class FieldSetting(Container):
@@ -126,7 +77,7 @@ def _field_to_widget(self) -> Widget:
         elif self.field.annotation == list[str]:
             return Input(value=str(", ".join(self.value)), id=id, validators=[ListOfStringValidator()])
         elif self.field.annotation == Optional[Path]:
-            return FileSelector(self.field_name, self.field, self.value)
+            return PathInput(self.field_name, self.field, self.value)
         else:
             # If no other input mechanism fits, then we'll fallback to just a raw string input field
             return Input(value=str(self.value), id=id)
@@ -342,8 +293,8 @@ def _update_settings(self):
 
                     # We want to handle paths specially
                     new_value = updated_value_input.value
-                    if field_info.annotation == Path | None:
-                        new_value = Path(str(new_value)) if new_value else None
+                    if field_info.annotation == Optional[Path]:
+                        new_value = Path(str(new_value).strip()) if new_value and str(new_value).strip() else None
 
                     setattr(model, field_name, new_value)
 

lazy_github/ui/screens/settings.py

@@ -26,7 +26,6 @@ dependencies = [
 	"pydantic<3",
 	"textual",
 	"click>=8.1.7",
-	"textual-fspicker>=0.4.1",
 ]
 
 [project.scripts]