devenv: add gitignore module

3 files changed, 48 insertions, 18 deletions

diff --git a/.gitignore b/.gitignore
index f418f1a..15642c4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
+### devenv
 .devenv/
+
diff --git a/modules/devenv/dotfiles.nix b/modules/devenv/dotfiles.nix
index 8b8d95b..7f11194 100644
--- a/modules/devenv/dotfiles.nix
+++ b/modules/devenv/dotfiles.nix
@@ -40,15 +40,15 @@ in {
           let
             content =
               text
-              + lib.optionalString (name == ".gitignore") ''
-                # dotfiles
+              + lib.optionalString (name == ".gitignore" && dotfilesToIgnore != []) ''
+                ### dotfiles
                 ${lib.concatStringsSep "\n" dotfilesToIgnore}
               '';
           in ''
             ${
               if gitignore
-              then "ln -s"
-              else "cp"
+              then "ln --symbolic --force"
+              else "install --mode=644"
             } "${builtins.toFile name content}" "${name}"
           ''
         )
diff --git a/modules/devenv/integrations/gitignore.nix b/modules/devenv/integrations/gitignore.nix
index ed0e61a..c6b3b40 100644
--- a/modules/devenv/integrations/gitignore.nix
+++ b/modules/devenv/integrations/gitignore.nix
@@ -1,25 +1,53 @@
 {
   config,
   lib,
+  pkgs,
   ...
 }: let
   cfg = config.gitignore;
+  ignoreDevenv = cfg.devenv.enable or false;
+  templates = lib.attrNames (lib.filterAttrs (name: value: (value.enable or false) && name != "devenv") cfg);
+  toUncomment = builtins.concatLists (lib.collect lib.isList cfg);
 in {
-  options.gitignore = {
-    extra = lib.mkOption {
-      type = lib.types.lines;
-      default = "";
-      example = ''
-        *.my-file-extension
-      '';
-    };
+  options.gitignore = lib.mkOption {
+    type = with lib.types; (submodule {
+      freeformType = with lib.types;
+        attrsOf (submodule {
+          options = {
+            enable = lib.mkEnableOption "";
+            uncomment = lib.mkOption {
+              type = with lib.types; listOf str;
+              default = [];
+              description = "Lines that should be uncommented and thus enabled in the template file.";
+            };
+          };
+        });
+      options.extra = lib.mkOption {
+        type = lib.types.lines;
+        default = "";
+        example = ''
+          *.my-file-extension
+        '';
+      };
+    });
+    default = {extra = "";};
   };
 
-  config.dotfiles.gitignore = lib.mkIf (cfg.extra != "") {
-    gitignore = lib.mkDefault false;
-    text = ''
-      ## Miscellaneous
-      ${cfg.extra};
-    '';
+  config = {
+    dotfiles.".gitignore" = lib.mkIf (templates != {} || cfg.extra != "") {
+      gitignore = lib.mkDefault false;
+      text =
+        lib.optionalString (templates != []) (builtins.readFile (pkgs.personal.static.gitignore.override {inherit templates toUncomment;}))
+        + lib.optionalString ignoreDevenv ''
+          ### devenv
+          .devenv/
+
+        ''
+        + lib.optionalString (cfg.extra != "") ''
+          ### miscellaneous
+          ${cfg.extra}
+        '';
+    };
+    gitignore.devenv.enable = lib.mkDefault true;
   };
 }