Add AUR publish workflow and PKGBUILD generator

packaging/generate-pkgbuild-bin.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+TAG="${1:-}"
+if [[ -z "${TAG}" ]]; then
+  TAG="$(git describe --tags --abbrev=0)"
+fi
+
+if [[ "${TAG}" != v* ]]; then
+  echo "Error: expected tag like v0.1.0-alpha.7, got: ${TAG}" >&2
+  exit 1
+fi
+
+VERSION="${TAG#v}"
+
+# Arch PKGBUILD pkgver must not contain '-'. Use dots instead.
+PKGVER="${VERSION//-/.}"
+
+ASSET_URL="https://github.com/spalencsar/deskify/releases/download/${TAG}/deskify-linux-x86_64"
+LICENSE_URL="https://raw.githubusercontent.com/spalencsar/deskify/${TAG}/LICENSE"
+
+tmp_dir="$(mktemp -d)"
+trap 'rm -rf "${tmp_dir}"' EXIT
+
+asset_path="${tmp_dir}/deskify-linux-x86_64"
+license_path="${tmp_dir}/LICENSE"
+
+curl -fL -o "${asset_path}" "${ASSET_URL}"
+curl -fL -o "${license_path}" "${LICENSE_URL}"
+
+ASSET_SHA256="$(sha256sum "${asset_path}" | awk '{print $1}')"
+LICENSE_SHA256="$(sha256sum "${license_path}" | awk '{print $1}')"
+
+cat > packaging/PKGBUILD <<EOF
+pkgname=deskify-bin
+pkgver=${PKGVER}
+pkgrel=1
+pkgdesc="Turn websites into Linux desktop apps (prebuilt binary package)"
+arch=('x86_64')
+url="https://github.com/spalencsar/deskify"
+license=('MIT')
+depends=('glibc')
+optdepends=('chromium: for --backend chromium')
+provides=('deskify')
+conflicts=('deskify')
+
+_tag="${TAG}"
+source=("deskify::https://github.com/spalencsar/deskify/releases/download/\${_tag}/deskify-linux-x86_64"
+        "LICENSE::https://raw.githubusercontent.com/spalencsar/deskify/\${_tag}/LICENSE")
+
+sha256sums=('${ASSET_SHA256}'
+            '${LICENSE_SHA256}')
+
+package() {
+  install -Dm755 "\${srcdir}/deskify" "\${pkgdir}/usr/bin/deskify"
+  install -Dm644 "\${srcdir}/LICENSE" "\${pkgdir}/usr/share/licenses/\${pkgname}/LICENSE"
+}
+EOF
+
+echo "Wrote packaging/PKGBUILD for ${TAG}"