From 5817fe7cb357359b169d0c023223f27b33d0dd80 Mon Sep 17 00:00:00 2001
From: Kenichi Kamiya <kachick1@gmail.com>
Date: Thu, 10 Aug 2023 00:57:17 +0900
Subject: [PATCH] WIP

---
 flake.nix            | 19 ++++++++++++++-
 home-manager/git.nix | 56 +++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 71 insertions(+), 4 deletions(-)

diff --git a/flake.nix b/flake.nix
index fa689f8a..50bd222d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,7 +14,7 @@
       let
         pkgs = nixpkgs.legacyPackages.${system};
       in
-      {
+      rec {
         devShells.default = with pkgs;
           mkShell {
             buildInputs = [
@@ -36,6 +36,23 @@
               jq
             ];
           };
+
+        # https://gist.github.com/Scoder12/0538252ed4b82d65e59115075369d34d?permalink_comment_id=4650816#gistcomment-4650816
+        packages.json2nix = pkgs.writeScriptBin "json2nix" ''
+          ${pkgs.python3}/bin/python ${pkgs.fetchurl {
+            url = "https://gist.githubusercontent.com/Scoder12/0538252ed4b82d65e59115075369d34d/raw/e86d1d64d1373a497118beb1259dab149cea951d/json2nix.py";
+            hash = "sha256-ROUIrOrY9Mp1F3m+bVaT+m8ASh2Bgz8VrPyyrQf9UNQ=";
+          }} $@
+        '';
+
+        apps = {
+          # nix run .#json2nix
+          json2nix = {
+            type = "app";
+            program = "${packages.json2nix}/bin/json2nix";
+          };
+        };
       }
     );
 }
+
diff --git a/home-manager/git.nix b/home-manager/git.nix
index 5f8bbad7..9993d973 100644
--- a/home-manager/git.nix
+++ b/home-manager/git.nix
@@ -1,9 +1,59 @@
-{ ... }:
+{ config, ... }:
 
-# https://github.com/nix-community/home-manager/blob/master/modules/programs/lazygit.nix
 {
-  xdg.configFile."git/config".source = ../home/.config/git/config;
+  # https://github.com/nix-community/home-manager/blob/master/modules/programs/git.nix
+  # xdg will be used in home-manager: https://github.com/nix-community/home-manager/blob/7b8d43fbaf8450c30caaed5eab876897d0af891b/modules/programs/git.nix#L417-L418
+  programs.git = {
+    enable = true;
+
+    extraConfig = {
+      user = {
+        email = "kachick1@gmail.com";
+        name = "Kenichi Kamiya";
+        # TODO: Share code to get the path with ./ssh.nix
+        signingkey = "${config.home.homeDirectory}/.ssh/id_ed25519.pub";
+      };
+
+      core = {
+        editor = "vim";
+        quotepath = false;
+      };
+      init = {
+        defaultBranch = "main";
+      };
+      color = {
+        ui = true;
+      };
+      grep = {
+        lineNumber = true;
+      };
+      pull = {
+        ff = "only";
+      };
+      alias = {
+        fixup = "commit --all --amend";
+        empty = "commit --allow-empty -m 'Add an empty commit'";
+        current = "symbolic-ref --short HEAD";
+        "switch-default" = "!git checkout main 2>/dev/null || git checkout master 2>/dev/null";
+        upstream = "!git remote | grep -E '^upstream$'|| git remote | grep -E '^origin$'";
+        duster = "remote update origin --prune";
+        refresh = "!git switch-default && git pull \"$(git upstream)\" \"$(git current)\"";
+        all = "!git refresh && gh poi";
+        gui = "!lazygit";
+      };
+      gpg = {
+        format = "ssh";
+      };
+      "credential \"https-github.com\"" = {
+        helper = "!gh auth git-credential";
+      };
+      "credential \"https-gist.github.com\"" = {
+        helper = "!gh auth git-credential";
+      };
+    };
+  };
 
+  # https://github.com/nix-community/home-manager/blob/master/modules/programs/lazygit.nix
   programs.lazygit = {
     enable = true;