cI: add baker script

.gitignore

@@ -1,2 +1,3 @@
 *.pdf
 *.log
+images/

baker/banner.typ

@@ -0,0 +1,59 @@
+#import "@preview/shadowed:0.1.2": shadowed
+
+#let LE = 10cm
+#let shadow = 0.25cm
+
+#set page(margin: 0pt, width: 2 * LE, height: LE, fill: rgb(0, 0, 0, 0))
+
+#place(
+  dx: 3cm,
+  dy: 1.1cm,
+  rotate(
+    -9deg,
+    shadowed(
+      radius: 0pt,
+      inset: 0pt,
+      blur: shadow,
+      image("./images/21.svg", height: LE * 0.6))))
+
+#place(
+  dx: 1cm,
+  dy: 3.25cm,
+  rotate(
+    -20deg,
+    shadowed(
+      radius: 0pt,
+      inset: 0pt,
+      blur: shadow,
+      image("./images/51.svg", height: LE * 0.55))))
+
+#place(
+  dx: 14cm,
+  dy: 1.5cm,
+  rotate(
+    6deg,
+    shadowed(
+      radius: 0pt,
+      inset: 0pt,
+      blur: shadow,
+      image("./images/41.svg", height: LE * 0.65))))
+
+#place(
+  dx: 11cm,
+  dy: 2cm,
+  rotate(
+    25deg,
+    shadowed(
+      radius: 0pt,
+      inset: 0pt,
+      blur: shadow,
+      image("./images/31.svg", height: LE * 0.6))))
+
+#place(
+  dx: 7cm,
+  dy: 0.75cm,
+  shadowed(
+    radius: 0pt,
+    inset: 0pt,
+    blur: shadow,
+    image("./images/11.svg", height: LE * 0.75)))

baker/run-bake-banner.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+mkdir images
+
+# extract images from document created by action
+mutool convert -o images/1.svg "$1" 1
+mutool convert -o images/2.svg "$1" 2
+mutool convert -o images/3.svg "$1" 5
+mutool convert -o images/4.svg "$1" 15
+mutool convert -o images/5.svg "$1" 16
+
+typst compile banner.typ --ppi 220 ../assets/banner.png

baker/shell.nix

@@ -0,0 +1,14 @@
+let
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-unstable";
+  pkgs = import nixpkgs { config = {}; overlays = []; };
+in
+
+pkgs.mkShellNoCC {
+  packages = with pkgs; [
+    python312
+    python312Packages.pyyaml
+    typst
+    typstyle
+    mupdf-headless
+  ];
+}

run-bake-assets.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+cd baker
+
+echo "==> generate banner image"
+nix-shell --run "./run-bake-banner.sh ../example.pdf"