add PKGBUILD for reference

PKGBUILD

@@ -0,0 +1,49 @@
+# Maintainer: Your Name <you@example.com>
+pkgname=relibre
+pkgver=0.2.0
+pkgrel=1
+pkgdesc="Native webview app to generate single-file landing pages for music releases"
+arch=('x86_64')
+url="https://git.circlewithadot.net/incentive/relibre"
+license=('AGPL3')
+depends=('gtk3' 'webkit2gtk' 'libsoup3' 'hicolor-icon-theme')
+makedepends=('go' 'git')
+provides=('relibre')
+conflicts=('relibre-bin')
+
+# Build from a specific tag; update pkgver & tag for new releases
+source=("${pkgname}::git+${url}.git#tag=v${pkgver}")
+sha256sums=('SKIP')
+
+prepare() {
+  cd "${srcdir}/${pkgname}"
+  export GOPATH="${srcdir}/gopath"
+  export GOMODCACHE="${GOPATH}/pkg/mod"
+  go mod download
+}
+
+build() {
+  cd "${srcdir}/${pkgname}"
+  export CGO_ENABLED=1
+  go build -trimpath -ldflags "-s -w" -o relibre
+}
+
+package() {
+  cd "${srcdir}/${pkgname}"
+  install -Dm755 relibre "${pkgdir}/usr/bin/relibre"
+
+  # Desktop entry: prefer the Arch-specific file and strip the .arch suffix on install
+  if [[ -f dist/com.circlewithadot.Relibre.desktop.arch ]]; then
+    install -Dm644 dist/com.circlewithadot.Relibre.desktop.arch \
+      "${pkgdir}/usr/share/applications/com.circlewithadot.Relibre.desktop"
+  elif [[ -f dist/com.circlewithadot.Relibre.desktop ]]; then
+    install -Dm644 dist/com.circlewithadot.Relibre.desktop \
+      "${pkgdir}/usr/share/applications/com.circlewithadot.Relibre.desktop"
+  fi
+
+  # Icon: reuse the Flatpak icon (must be a square 512×512 PNG)
+  if [[ -f dist/com.circlewithadot.Relibre.png ]]; then
+    install -Dm644 dist/com.circlewithadot.Relibre.png \
+      "${pkgdir}/usr/share/icons/hicolor/512x512/apps/com.circlewithadot.Relibre.png"
+  fi
+}