From ded7874c7a654293b62b4010daafb3d355e9b39d Mon Sep 17 00:00:00 2001
From: Maximilian Marx <mmarx@wh2.tu-dresden.de>
Date: Fri, 1 Nov 2024 14:41:12 +0100
Subject: [PATCH 1/2] Add nix flake

Signed-off-by: Maximilian Marx <mmarx@wh2.tu-dresden.de>
---
 bkhandbuch.tex |  3 ++
 flake.lock     | 27 ++++++++++++++
 flake.nix      | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 126 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/bkhandbuch.tex b/bkhandbuch.tex
index af477be..498f7a6 100644
--- a/bkhandbuch.tex
+++ b/bkhandbuch.tex
@@ -40,6 +40,9 @@
 %\fancyfoot[EC,OC]{\scshape \footnotesize FH Regensburg}
 \fancyfoot[OR]{\scshape \footnotesize Berufungskommissionen}
 
+% reproducible documents
+\pdftrailerid{}
+
 %---------------------------------------------------------------
 %für Fragebogen
 \definecolor{light}{gray}{0.80}
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..a2a43a7
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1730327045,
+        "narHash": "sha256-xKel5kd1AbExymxoIfQ7pgcX6hjw9jCgbiBjiUfSVJ8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "080166c15633801df010977d9d7474b4a6c549d7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..821ac89
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,96 @@
+{
+  description = "Handbuch zur studentischen Mitwirkung in Berufungskommissionen";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
+  };
+
+  outputs =
+    inputs@{ self, nixpkgs, ... }:
+    let
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
+
+      environment = {
+        TEXMFHOME = ".cache";
+        TEXMFVAR = ".cache/texmf-var";
+        SOURCE_DATE_EPOCH = toString self.lastModified;
+      };
+
+      texlive = pkgs.texlive.combine {
+        inherit (pkgs.texlive)
+          babel
+          collection-fontsrecommended
+          collection-langgerman
+          colorprofiles
+          csquotes
+          draftwatermark
+          ec
+          hyperref
+          latex-bin
+          latexmk
+          mathtools
+          metafont
+          microtype
+          pdfmanagement-testphase
+          pdfx
+          scheme-basic
+          silence
+          textpos
+          titlesec
+          todonotes
+          wasysym
+          xkeyval
+          xmpincl
+          xstring
+          ;
+      };
+
+      mkDocument =
+        name:
+        pkgs.stdenvNoCC.mkDerivation rec {
+          inherit name;
+          src = self;
+
+          allowSubstitutes = false;
+          buildInputs = [
+            pkgs.coreutils
+            pkgs.gawk
+            texlive
+          ];
+          phases = [
+            "unpackPhase"
+            "buildPhase"
+            "installPhase"
+          ];
+          buildPhase = ''
+            runHook preBuild
+            export PATH="${pkgs.lib.makeBinPath buildInputs}";
+            mkdir -p .cache/texmf-var
+            env TEXMFHOME=${environment.TEXMFHOME} \
+              TEXMFVAR=${environment.TEXMFVAR} \
+              SOURCE_DATE_EPOCH=${environment.SOURCE_DATE_EPOCH} \
+              latexmk -interaction=nonstopmode -pdf \
+              ${name}.tex
+            runHook postBuild
+          '';
+          installPhase = ''
+            runHook preInstall
+            cp ${name}.pdf $out
+            runHook postInstall
+          '';
+        };
+
+    in
+    {
+      packages."${system}" = rec {
+        default = bkhandbuch;
+        bkhandbuch = mkDocument "bkhandbuch";
+      };
+
+      devShells."${system}".default = pkgs.mkShell {
+        inherit (environment) TEXMFHOME TEXMFVAR SOURCE_DATE_EPOCH;
+        buildInputs = [ texlive ];
+      };
+    };
+}

From e1114f02e8369a63c2d017d3ac7bb07c85c34bb5 Mon Sep 17 00:00:00 2001
From: Maximilian Marx <mmarx@wh2.tu-dresden.de>
Date: Fri, 1 Nov 2024 14:43:00 +0100
Subject: [PATCH 2/2] Add GitHub action

Signed-off-by: Maximilian Marx <mmarx@wh2.tu-dresden.de>
---
 .github/workflows/build.yaml | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 .github/workflows/build.yaml

diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
new file mode 100644
index 0000000..5720eed
--- /dev/null
+++ b/.github/workflows/build.yaml
@@ -0,0 +1,23 @@
+name: "Build Berufungshandbuch"
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+jobs:
+  build:
+    name: "Build the Berufungshandbuch PDF"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@v9
+        with:
+          nix-installer-tag: v0.15.1
+      - uses: DeterminateSystems/magic-nix-cache-action@v3
+      - env:
+          BRANCH_NAME_OR_REF: ${{ github.head_ref || github.ref }}
+        run: echo "name=BRANCH_NAME::${BRANCH_NAME_OR_REF#refs/heads/}" >> $GITHUB_ENV
+      - run: echo "name=PR_NUMBER::$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH")" >> $GITHUB_ENV
+      - run: nix --print-build-logs build .#bkhandbuch -o bkhandbuch.pdf