fix: automate arch packaging

using docker just like debian. This makes the scripts easier to
reproduce.

.gitignore

@@ -1,7 +1,10 @@
 out/
 examples/
+artifacts/
+pkg/
 compile_commands.json
 .cache/
 *.tar.gz
 *.log
 *.zst
+PKGBUILD

PKGBUILD.in

@@ -4,9 +4,9 @@ pkgver=1.0.0
 pkgrel=1
 epoch=
 pkgdesc="A simple / minimal CI (Continuous Integration) system"
-arch=('x86_64')  # TODO: also arm64 when you're not tired
-url="gitea.local:3000/agj/sci"
-license=('GPL-3.0-or-later')  # TODO: add LICENSE file and header
+arch=('x86_64')
+url="https://git.gtz.dk/agj/sci"
+license=('GPL-3.0-or-later')
 groups=()
 depends=("glibc"
     "util-linux-libs")
@@ -22,7 +22,7 @@ install=
 changelog=
 source=("$pkgname-$pkgver.tar.gz")
 noextract=()
-sha256sums=("948092bdcc3591afcdc205263832a06c838aa9d524c762b061e91cffa04b7d63")
+sha256sums=("SRC_SHA256")
 validpgpkeys=()
 
 build() {

TODO.md

@@ -11,7 +11,7 @@
  - [ ] Seventh things seventh, package the sucker (arch, debian, alpine, docker)
     - [x] archlinux
          - https://wiki.archlinux.org/title/Creating_packages
-    - [ ] debian
+    - [x] debian
          - see `/home/agj/documents/Projects/packaging/deb-packaging-tutorial.pdf`
          - just use docker.
     - [ ] alpine

arch-builder.dockerfile

@@ -0,0 +1,15 @@
+FROM archlinux
+RUN pacman -Sy --noconfirm base-devel
+ARG DOCKER_USER=arch
+
+# Set user and group
+ARG user=appuser
+ARG group=appuser
+ARG uid=1000
+ARG gid=1000
+RUN groupadd -g ${gid} ${group}
+RUN useradd -u ${uid} -g ${group} -s /bin/sh -m ${user} # <--- the '-m' create a user home directory
+ENV USER=${user}
+
+# Switch to user
+USER ${uid}:${gid}

scripts/package-sci-arch.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+archbuilder_image=$(docker images | grep archbuilder)
+set -e
+if [ -z $archbuilder_image ]; then
+    echo "building archbuilder image..."
+    docker build -t archbuilder -f arch-builder.dockerfile .
+fi
+
+echo "building source dist..."
+make dist
+SRC_SHA256=$(sha256sum sci-1.0.0.tar.gz | awk '{ print $1 }')
+echo $SRC_SHA256
+sed "s/SRC_SHA256/$SRC_SHA256/g" < PKGBUILD.in > PKGBUILD
+
+echo "building arch package in archbuilder docker image..."
+docker run --rm -it -v .:/src archbuilder sh -c '\
+    cd && \
+    cp /src/sci-1.0.0.tar.gz /src/PKGBUILD . && \
+    makepkg && \
+    cp *.zst /src
+'