From 3f74d35dc4e909dee761de8d48a3cac735944251 Mon Sep 17 00:00:00 2001
From: mxmlnkn <mxmlnkn@github.de>
Date: Sun, 10 Dec 2023 10:01:49 +0100
Subject: [PATCH] [wip][CI] Automatically publish to AUR

---
 .github/workflows/publish-rapidgzip.yml | 48 +++++++++++++++++++++++--
 1 file changed, 46 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/publish-rapidgzip.yml b/.github/workflows/publish-rapidgzip.yml
index 22f40c79..74c23db1 100644
--- a/.github/workflows/publish-rapidgzip.yml
+++ b/.github/workflows/publish-rapidgzip.yml
@@ -2,11 +2,12 @@ name: Publish Rapidgzip to PyPI
 
 on:
   push:
-    tags:
-      - 'rapidgzip-v*.*.*'
+    branches:
+      - 'oldmaster'
 
 jobs:
   Deploy-Wheels:
+    if: false
     runs-on: ${{ matrix.os }}
 
     strategy:
@@ -194,3 +195,46 @@ jobs:
         python3 -m build -o . --sdist ..
         mv rapidgzip-*.tar* src.tar
         conda build --token "$ANACONDA_TOKEN" .
+
+  Deploy-AUR:
+    runs-on: ubuntu-latest
+    container:
+      image: archlinux
+    steps:
+    - name: Set Up Non-Root User  # Because makepkg is an ass and forbids root from using it
+      run: |
+        groupadd sudo
+        useradd -m -G sudo user
+        echo '%sudo   ALL=(ALL:ALL) NOPASSWD: ALL' >> /etc/sudoers
+
+    - name: Install System Dependencies
+      run: |
+        pacman -Syu --noconfirm
+        pacman -Sy --noconfirm base-devel git python python-pip python-setuptools rhash
+
+    - name: Clone Repository
+      run: |
+        chmod a+rwx .
+        chown user .
+        su user -c 'git clone https://aur.archlinux.org/python-rapidgzip.git .'
+        # For testing whether the update script works
+        su user -c 'git checkout HEAD~'
+
+    - name: Update PKGBUILD
+      run: |
+        # Annoyingly, --no-deps is not sufficient and building the wheels would still be triggered even
+        # just for downloading the source tarball! But, --no-build-isolation seems to avoid that:
+        # https://discuss.python.org/t/pip-download-just-the-source-packages-no-building-no-metadata-etc/4651/7
+        pip download --no-binary :all: --no-deps --no-build-isolation rapidgzip
+        pkgver=$( echo rapidgzip-*.tar.gz | sed -E 's|rapidgzip-([0-9.]*).*[.]tar.gz|\1|' )
+        blake2b=$( python3 -c 'import hashlib, sys; h=hashlib.blake2b(digest_size=256 // 8); h.update(open(sys.argv[1], "rb").read()); print(h.digest().hex())' rapidgzip-*.tar.gz )
+        # Update PKGBUILD
+        sed -i "s|pkgver=.*|pkgver=$pkgver|" PKGBUILD
+        sed -i "s|sha256sums=.*|sha256sums=($( rhash --sha256 rapidgzip-*.tar.gz ))|" PKGBUILD
+        sed -i "s|(.*pythonhosted.org/packages)/[0-9][0-9]/[0-9][0-9]/[0-9]*/(.*)|\1/${blake2b:0:2}/${blake2b:2:2}/${blake2b:4}\2|" PKGBUILD
+        su user -c 'git diff'
+
+    - name: Test PKGBUILD
+      run: |
+        su user -c 'makepkg -s --noconfirm'
+        su user -c 'makepkg --noconfirm --install python-rapidgzip-*.tar.zst'