From 6ba1a8e9755ae03287457d5fe9bb3565f7421c4b Mon Sep 17 00:00:00 2001
From: "D. Moonfire" <d.moonfire@moonfire.us>
Date: Thu, 7 Mar 2024 19:37:15 -0600
Subject: [PATCH] feat: added the ability to ignore files automatically

---
 .gitignore              |  8 ++++----
 .prettierignore         |  4 ++++
 DCO.md                  | 34 +++++++++++++++++++++++++++++++
 TASKS.md                |  3 +--
 flake.nix               | 12 +++++++++++
 src/ignores/default.nix | 45 +++++++++++++++++++++++++++++++++++++++++
 6 files changed, 100 insertions(+), 6 deletions(-)
 create mode 100644 .prettierignore
 create mode 100644 DCO.md
 create mode 100644 src/ignores/default.nix

diff --git a/.gitignore b/.gitignore
index 75a9f9e..7b6017d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,9 @@
-.direnv/
 
 # nixago: ignore-linked-files
-/DCO.md
-/rustfmt.toml
 /treefmt.toml
 /.prettierrc.json
 /lefthook.yml
-/.conform.yaml
\ No newline at end of file
+/.conform.yaml
+
+# mfgames-project-setup: ignore-files
+/.direnv/
\ No newline at end of file
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..98d9aa3
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,4 @@
+
+# mfgames-project-setup: ignore-files
+/LICENSE.md
+/DCO.md
\ No newline at end of file
diff --git a/DCO.md b/DCO.md
new file mode 100644
index 0000000..49b8cb0
--- /dev/null
+++ b/DCO.md
@@ -0,0 +1,34 @@
+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.
diff --git a/TASKS.md b/TASKS.md
index ef8fcdc..ce66993 100644
--- a/TASKS.md
+++ b/TASKS.md
@@ -1,4 +1,3 @@
 # Tasks
 
-- [ ] Need to exclude the generated files from Prettier
-- [ ] Add .direnv into `.gitignore`
+Nothing, obviously there is nothing wrong with this library.
diff --git a/flake.nix b/flake.nix
index 4003f1e..1fa681d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,6 +15,7 @@
     let
       # Helpers for producing system-specific outputs
       supportedSystems = [ "x86_64-linux" ];
+
       forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
         inherit system;
         pkgs = import nixpkgs { inherit system; };
@@ -69,6 +70,16 @@
               prettier = prettierDefaults // prettier;
               rust = rustDefaults // rust;
             };
+
+            ignores = import ./src/ignores/default.nix {
+              inherit system pkgs nixago nixago-exts;
+
+              contributorCovenant = contributorCovenantDefaults // contributorCovenant;
+              creativeCommonsAttributionNonCommercialShareAlike = licenseDefaults // creativeCommonsAttributionNonCommercialShareAlike;
+              creativeCommonsAttributionShareAlike = licenseDefaults // creativeCommonsAttributionShareAlike;
+              developerCertificateOfOrigin = developerCertificateOfOriginDefaults // developerCertificateOfOrigin;
+              mit = licenseDefaults // mit;
+            };
           in
           {
             packages = [
@@ -84,6 +95,7 @@
 
             shellHook = ''
               ${configs.shellHook}
+              ${ignores}
               ${pkgs.lefthook}/bin/lefthook install
             '';
           };
diff --git a/src/ignores/default.nix b/src/ignores/default.nix
new file mode 100644
index 0000000..2c05d71
--- /dev/null
+++ b/src/ignores/default.nix
@@ -0,0 +1,45 @@
+inputs @ { ... }:
+let
+  lib = inputs.pkgs.lib;
+  ignore-sentinel = "mfgames-project-setup: ignore-files";
+  ignore-list = [
+    "_mfgames_project_setup_ignore \".gitignore\" \".direnv/\""
+  ]
+  ++ lib.optionals inputs.contributorCovenant.enable [
+    "_mfgames_project_setup_ignore \".prettierignore\" \"DCO.md\""
+  ]
+  ++ lib.optionals inputs.creativeCommonsAttributionShareAlike.enable [
+    "_mfgames_project_setup_ignore \".prettierignore\" \"LICENSE.md\""
+  ]
+  ++ lib.optionals inputs.creativeCommonsAttributionNonCommercialShareAlike.enable [
+    "_mfgames_project_setup_ignore \".prettierignore\" \"LICENSE.md\""
+  ]
+  ++ lib.optionals inputs.developerCertificateOfOrigin.enable [
+    "_mfgames_project_setup_ignore \".prettierignore\" \"LICENSE.md\""
+  ]
+  ++ lib.optionals inputs.mit.enable [
+    "_mfgames_project_setup_ignore \".prettierignore\" \"LICENSE.md\""
+  ];
+in
+''
+  _mfgames_project_setup_ignore() (
+    if ! test -f $1
+    then
+      touch $1
+    fi
+    if ! grep -qF "${ignore-sentinel}" $1
+    then
+      echo -e "\n# ${ignore-sentinel}" >> $1
+    fi
+    if ! grep -qF "/$2" $1
+    then
+      newgitignore="$(awk "1;/${ignore-sentinel}/{ print \"/$2\"; }" $1)"
+      echo -e -n "$newgitignore" > $1
+      git add $1
+      echo "mfgames-project-setup: '/$2' added to $1"
+    fi
+  )
+  ${lib.concatStringsSep "\n" ignore-list}
+''
+
+## Add this output to the ignore file