commit 54287f1685f0f477eacd7947340c509affda9508
Author: pompydev <pompydev@proton.me>
Date:   Wed May 14 21:32:16 2025 +0900

    initial commit

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..30da14f
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,5 @@
+export DIRENV_WARN_TIMEOUT=20s
+
+eval "$(devenv direnvrc)"
+
+use devenv
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..20c7592
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+/_/
+
+.devenv*
+.direnv
+
+latex/*/*
+!*.tex
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..474c02f
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,8 @@
+{
+  "recommendations": [
+    "esbenp.prettier-vscode",
+    "mkhl.direnv",
+    "jnoortheen.nix-ide",
+    "james-yu.latex-workshop"
+  ]
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..b2b3fe0
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,43 @@
+{
+  "editor.formatOnSave": true,
+  "search.exclude": {
+    "**/.git": true,
+    "**/.devenv": true,
+    "**/.direnv": true,
+    "**/node_modules": true,
+    "**.lock": true
+  },
+
+  "cSpell.words": [
+    "Cheatsheets",
+    "devenv",
+    "direnv",
+    "direnvrc",
+    "nixd",
+    "nixfmt",
+    "nixos",
+    "nixpkgs",
+    "pkgs",
+    "texlive"
+  ],
+
+  "[nix]": {
+    "editor.defaultFormatter": "jnoortheen.nix-ide"
+  },
+  "nix.formatterPath": "nixfmt",
+  "nix.enableLanguageServer": true,
+  "nix.serverPath": "nixd",
+
+  "[latex]": {
+    "editor.defaultFormatter": "James-Yu.latex-workshop"
+  },
+  "latex-workshop.formatting.latex": "tex-fmt",
+
+  "[jsonc]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  },
+
+  "[markdown]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  }
+}
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..0202fcf
--- /dev/null
+++ b/README.md
@@ -0,0 +1,12 @@
+# pomp's Cheatsheets
+
+## How to setup
+
+1. Setup [devenv](https://devenv.sh/getting-started/)
+2. Generate pdf
+
+   e.g.
+
+   ```
+   cd latex/math && pdflatex math.tex
+   ```
diff --git a/devenv.lock b/devenv.lock
new file mode 100644
index 0000000..ec5350d
--- /dev/null
+++ b/devenv.lock
@@ -0,0 +1,103 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1747185494,
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "b292bc94c2daccda165bc9f909bf6c8056e37a80",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1747046372,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "git-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746537231,
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "fa466640195d38ec97cf0493d6d6882bc4d14969",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "git-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1747060738,
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "eaeed9530c76ce5f1d2d8232e08bec5e26f18ec1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "git-hooks": "git-hooks",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": [
+          "git-hooks"
+        ]
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/devenv.nix b/devenv.nix
new file mode 100644
index 0000000..be77439
--- /dev/null
+++ b/devenv.nix
@@ -0,0 +1,17 @@
+{ pkgs, ... }:
+
+{
+  packages = with pkgs; [
+    nixd
+    nixfmt-rfc-style
+    tex-fmt
+  ];
+
+  # https://devenv.sh/supported-languages/texlive/
+  languages.texlive = {
+    enable = true;
+    base = pkgs.texliveFull;
+    packages = [
+    ];
+  };
+}
diff --git a/devenv.yaml b/devenv.yaml
new file mode 100644
index 0000000..397b9cb
--- /dev/null
+++ b/devenv.yaml
@@ -0,0 +1,7 @@
+# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
+
+inputs:
+  nixpkgs:
+    url: github:nixos/nixpkgs/nixpkgs-unstable
+
+allowUnfree: true