[TOOLS] Add PKGBUILD for Arch Linux

dist/arch/.gitignore

@@ -0,0 +1,3 @@
+src/*
+pkg/*
+*.tar.zst

dist/arch/PKGBUILD

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+#!/usr/bin/env bash
+
+# Maintainer: Hugo Sales <hugo <at> hsal <dot> es>
+pkgname=gnu-social-git
+pkgver=3.0.0dev.293c6fe
+pkgrel=1
+pkgdesc="GNU social is a social communication software used in federated social networks. It is widely supported and has a large user base. It is already used by the Free Software Foundation"
+arch=(any)
+url="https://www.gnusocial.rocks/"
+license=('AGPL')
+groups=()
+depends=(php nginx)
+makedepends=(git)
+provides=("${pkgname%-git}")
+conflicts=("${pkgname%-git}")
+replaces=()
+backup=()
+options=()
+install=gnu-social.install
+source=()
+noextract=()
+md5sums=()
+
+prepare() {
+    if [ ! -d "${srcdir}/${pkgname%-git}" ]; then
+        git clone --depth 1 'https://codeberg.org/GNUsocial/gnu-social.git' "${srcdir}/${pkgname%-git}"
+    else
+        git pull
+    fi
+}
+
+pkgver() {
+    cd "$srcdir/${pkgname%-git}"
+    printf "3.0.0dev.%s" "$(git rev-parse --short HEAD)"
+}
+
+package() {
+    cd "$srcdir/${pkgname%-git}"
+    mkdir -p "${pkgdir}/var/www/gnu-social"
+    mkdir -p "${pkgdir}/etc/nginx/conf.d"
+    cp -r components config extlib plugins public src social.yaml templates translations "${pkgdir}/var/www/gnu-social"
+    cp docker/nginx/nginx.conf "${pkgdir}/etc/nginx/conf.d/gnu-social.conf"
+}

dist/arch/gnu-social.install

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+#!/usr/bin/env bash
+
+post_install() {
+    echo <<<EOF
+Next steps:
+
+    - Add `include /etc/nginx/conf.d/gnu-social.conf` to your
+    `/etc/nginx/nginx.conf`
+    - Change `%hostname%` to match the desired hostname in `/etc/nginx/conf.d/gnu-social.conf`
+    - Add group write permission for `/var/www/gnu-social` to match the user nginx is using
+    - Configure a PostgreSQL or MariaDB user
+    - Run `nginx -s reload`
+    - Visit https://<yourhostname>/install and follow the instructions
+
+    See https://docs.gnusocial.rocks/administrator/install/no_docker_shell.html
+    if you need help, or contact the developers in #social IRC
+EOF
+}