WIP: use system jujutsu for work

This is to serve as a reminder of _how_ to add a local configuration
file.

flake.lock

@@ -73,11 +73,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1756770412,
-        "narHash": "sha256-+uWLQZccFHwqpGqr2Yt5VsW/PbeJVTn9Dk6SHWhNRPw=",
+        "lastModified": 1759362264,
+        "narHash": "sha256-wfG0S7pltlYyZTM+qqlhJ7GMw2fTF4mLKCIVhLii/4M=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "4524271976b625a4a605beefd893f270620fd751",
+        "rev": "758cf7296bee11f1706a574c77d072b8a7baa881",
         "type": "github"
       },
       "original": {
@@ -117,11 +117,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1755960406,
-        "narHash": "sha256-RF7j6C1TmSTK9tYWO6CdEMtg6XZaUKcvZwOCD2SICZs=",
+        "lastModified": 1758108966,
+        "narHash": "sha256-ytw7ROXaWZ7OfwHrQ9xvjpUWeGVm86pwnEd1QhzawIo=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "e891a93b193fcaf2fc8012d890dc7f0befe86ec2",
+        "rev": "54df955a695a84cd47d4a43e08e1feaf90b1fd9b",
         "type": "github"
       },
       "original": {
@@ -159,11 +159,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1756954499,
-        "narHash": "sha256-Pg4xBHzvzNY8l9x/rLWoJMnIR8ebG+xeU+IyqThIkqU=",
+        "lastModified": 1759337100,
+        "narHash": "sha256-CcT3QvZ74NGfM+lSOILcCEeU+SnqXRvl1XCRHenZ0Us=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "ed1a98c375450dfccf427adacd2bfd1a7b22eb25",
+        "rev": "004753ae6b04c4b18aa07192c1106800aaacf6c3",
         "type": "github"
       },
       "original": {
@@ -175,11 +175,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1756936398,
-        "narHash": "sha256-/o1TTpMIICpjrMHBilL9lYm/r69uhdK1L8j1pfY6tWU=",
+        "lastModified": 1759422813,
+        "narHash": "sha256-WNkZqscW/dPLK5NMKH/jCkYMaVm/3KWgPmKMq65IXxk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "47f28ad9378956563df9a884fd1b209b64336ba3",
+        "rev": "2a7c84e1e740f004e0fe5c2577a63d1e659a496c",
         "type": "github"
       },
       "original": {

hosts/homes/ambroisie@bazin/default.nix

@@ -22,6 +22,10 @@
       package = pkgs.emptyDirectory;
     };
 
+    jujutsu = {
+      package = pkgs.emptyDirectory;
+    };
+
     tmux = {
       # I use scripts that use the passthrough sequence often on this host
       enablePassthrough = true;

hosts/homes/ambroisie@mousqueton/default.nix

@@ -25,6 +25,10 @@
       package = pkgs.emptyDirectory;
     };
 
+    jujutsu = {
+      package = pkgs.emptyDirectory;
+    };
+
     tmux = {
       # I use scripts that use the passthrough sequence often on this host
       enablePassthrough = true;

modules/home/default.nix

@@ -24,6 +24,7 @@
     ./gtk
     ./htop
     ./jq
+    ./jujutsu
     ./keyboard
     ./mail
     ./mpv

modules/home/delta/default.nix

@@ -14,6 +14,10 @@ in
     git = {
       enable = my.mkDisableOption "git integration";
     };
+
+    jujutsu = {
+      enable = my.mkDisableOption "jujutsu integration";
+    };
   };
 
   config = lib.mkIf cfg.enable {
@@ -75,5 +79,23 @@ in
         }
       ];
     };
+
+    programs.jujutsu = lib.mkIf cfg.jujutsu.enable {
+      settings = {
+        merge-tools = {
+          delta = {
+            # Errors are signaled with exit codes greater or equal to 2
+            diff-expected-exit-codes = [ 0 1 ];
+          };
+        };
+
+        ui = {
+          # Delta expects a `git diff` input
+          diff-formatter = ":git";
+
+          pager = [ (lib.getExe cfg.package) "--config=${configPath}" ];
+        };
+      };
+    };
   };
 }

modules/home/jujutsu/default.nix

@@ -0,0 +1,131 @@
+{ config, pkgs, lib, ... }:
+let
+  cfg = config.my.home.jujutsu;
+
+  inherit (lib.my) mkMailAddress;
+in
+{
+  options.my.home.jujutsu = with lib; {
+    enable = my.mkDisableOption "jujutsu configuration";
+
+    package = mkPackageOption pkgs "jujutsu" { };
+  };
+
+  config = lib.mkIf cfg.enable {
+    assertions = [
+      {
+        # For `jj git` commands
+        assertion = cfg.enable -> config.my.home.git.enable;
+        message = ''
+          `config.my.home.jujutsu` relies on `config.my.home.git` being enabled.
+        '';
+      }
+    ];
+
+    programs.jujutsu = {
+      enable = true;
+
+      inherit (cfg) package;
+
+      settings = {
+        # Who am I?
+        user = {
+          name = "Bruno BELANYI";
+          email = mkMailAddress "bruno" "belanyi.fr";
+        };
+
+        aliases = {
+          jj = [ ];
+          # FIXME:
+          # * still not a big fan of the template
+          lol = [ "log" "-r" "..@" "-T" "builtin_log_oneline" ];
+          lola = [ "lol" "-r" "all()" ];
+          # FIXME: equivalent to `git switch -`
+          # See https://github.com/jj-vcs/jj/issues/2871
+          # Might be broken recently https://discord.com/channels/968932220549103686/1380272574709366989/1380432041983606855
+          # TODO:
+          # * `pick` (https://github.com/jj-vcs/jj/issues/5446): [ "util" "exec" "--" "bash" "-c" "jj log -p -r \"diff_contains($1)\"" "" ]
+          # * `root`: `jj workspace root` (barely necessary then)
+        };
+
+        # FIXME: git equivalents
+        # I'd like a better formatted blame (more like delta's?)
+        # blame = {
+        #   coloring = "repeatedLines";
+        #   markIgnoredLines = true;
+        #   markUnblamables = true;
+        # };
+        # FIXME: log colors should probably match git
+        # FIXME: patience diff?
+        # FIXME: fetch prune/pruneTags?
+        # FIXME: pull.rebase=true? Probably true TBH
+        # FIXME: push.default=simple? Probably true TBH
+        # FIXME: conflict style? ui.conflict-marker-style=git is diff3, not zdiff3. Default looks fine-ish
+
+        # FIXME: from ma_9's config, plus my own stuff
+        # snapshot = {
+        #   auto-track = "none()";
+        # };
+        #
+        # ui = {
+        #   diff-editor = ":builtin"; # To silence hints
+        #   movement = {
+        #     edit = false;
+        #   };
+        # };
+
+        templates = {
+          # Equivalent to `commit.verbose = true` in Git
+          draft_commit_description = "commit_description_verbose(self)";
+        };
+
+        template-aliases = {
+          "commit_description_verbose(commit)" = ''
+            concat(
+              commit_description(commit),
+              "JJ: ignore-rest\n",
+              diff.git(),
+            )
+          '';
+          # FIXME: use `diff.summary()` instead? Supported by syntax highlighting
+          # See https://github.com/jj-vcs/jj/issues/1946#issuecomment-2572986485
+          # FIXME: tree-sitter grammar isn't in `nvim-treesitter` (https://github.com/kareigu/tree-sitter-jjdescription)
+          "commit_description(commit)" = ''
+            concat(
+              commit.description(), "\n",
+              "JJ: This commit contains the following changes:\n",
+              indent("JJ:    ", diff.stat(72)),
+            )
+          '';
+        };
+
+        "--scope" = [
+          # Multiple identities
+          {
+            "--when" = {
+              repositories = [ "~/git/EPITA/" ];
+            };
+            user = {
+              name = "Bruno BELANYI";
+              email = mkMailAddress "bruno.belanyi" "epita.fr";
+            };
+          }
+          {
+            "--when" = {
+              repositories = [ "~/git/work/" ];
+            };
+            user = {
+              name = "Bruno BELANYI";
+              email = mkMailAddress "ambroisie" "google.com";
+            };
+          }
+        ];
+      };
+    };
+
+    # To drop in a `local.toml` configuration, not-versioned
+    xdg.configFile = {
+      "jj/conf.d/.keep".text = "";
+    };
+  };
+}

modules/home/vim/init.vim

@@ -81,9 +81,6 @@ set updatetime=250
 " Disable all mouse integrations
 set mouse=
 
-" Set dark mode by default
-set background=dark
-
 " Setup some overrides for gruvbox
 lua << EOF
 local gruvbox = require("gruvbox")

modules/home/vim/plugin/settings/lspconfig.lua

@@ -1,4 +1,3 @@
-local lspconfig = require("lspconfig")
 local lsp = require("ambroisie.lsp")
 local utils = require("ambroisie.utils")
 
@@ -25,59 +24,27 @@ vim.diagnostic.config({
 -- Inform servers we are able to do completion, snippets, etc...
 local capabilities = require("cmp_nvim_lsp").default_capabilities()
 
--- C/C++
-if utils.is_executable("clangd") then
-    lspconfig.clangd.setup({
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
-    })
-end
+-- Shared configuration
+vim.lsp.config("*", {
+    capabilities = capabilities,
+    on_attach = lsp.on_attach,
+})
 
--- Haskell
-if utils.is_executable("haskell-language-server-wrapper") then
-    lspconfig.hls.setup({
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
-    })
-end
-
--- Nix
-if utils.is_executable("nil") then
-    lspconfig.nil_ls.setup({
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
-    })
-end
-
--- Python
-if utils.is_executable("pyright") then
-    lspconfig.pyright.setup({
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
-    })
-end
-
-if utils.is_executable("ruff") then
-    lspconfig.ruff.setup({
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
-    })
-end
-
--- Rust
-if utils.is_executable("rust-analyzer") then
-    lspconfig.rust_analyzer.setup({
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
-    })
-end
-
--- Shell
-if utils.is_executable("bash-language-server") then
-    lspconfig.bashls.setup({
+local servers = {
+    -- C/C++
+    clangd = {},
+    -- Haskell
+    hls = {},
+    -- Nix
+    nil_ls = {},
+    -- Python
+    pyright = {},
+    ruff = {},
+    -- Rust
+    rust_analyzer = {},
+    -- Shell
+    bashls = {
         filetypes = { "bash", "sh", "zsh" },
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
         settings = {
             bashIde = {
                 shfmt = {
@@ -88,28 +55,17 @@ if utils.is_executable("bash-language-server") then
                 },
             },
         },
-    })
-end
+    },
+    -- Starlark
+    starpls = {},
+    -- Generic
+    harper_ls = {},
+    typos_lsp = {},
+}
 
--- Starlark
-if utils.is_executable("starpls") then
-    lspconfig.starpls.setup({
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
-    })
-end
-
--- Generic
-if utils.is_executable("harper-ls") then
-    lspconfig.harper_ls.setup({
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
-    })
-end
-
-if utils.is_executable("typos-lsp") then
-    lspconfig.typos_lsp.setup({
-        capabilities = capabilities,
-        on_attach = lsp.on_attach,
-    })
+for server, config in pairs(servers) do
+    if not vim.tbl_isempty(config) then
+        vim.lsp.config(server, config)
+    end
+    vim.lsp.enable(server)
 end

modules/home/zsh/default.nix

@@ -19,7 +19,7 @@ in
           "direnv reload"
           "fg"
           "git (?!push|pull|fetch)"
-          "home-manager (?!switch|build|news)"
+          "home-manager (?!switch|build)"
           "htop"
           "less"
           "man"

modules/nixos/services/nginx/default.nix

@@ -444,7 +444,7 @@ in
         };
     };
 
-    systemd.services."acme-${domain}" = {
+    systemd.services."acme-order-renew-${domain}" = {
       serviceConfig = {
         Environment = [
           # Since I do a "weird" setup with a wildcard CNAME