feat: contrib: add pkgbuild

contrib/PKGBUILD

@@ -0,0 +1,43 @@
+# Maintainer: Garrit Franke <garrit@slashdev.space>
+# Contributor: Alexey Yerin <yyp@disroot.org>
+pkgname="sabre-git"
+pkgver=v0.4.0.r7.fe7b035
+pkgrel=1
+pkgdesc="The bullshit-free programming language"
+url="https://github.com/garritfra/sabre"
+license=("Apache")
+arch=("x86_64" "pentium4" "i686")
+makedepends=("git" "cargo")
+optdepends=(
+	"node: Node.js backend"
+	"llvm: LLVM backend"
+)
+provides=("sabre")
+source=(
+	"sabre::git+https://github.com/garritfra/sabre"
+)
+sha256sums=("SKIP")
+
+pkgver() {
+	cd "${srcdir}/sabre"
+
+	printf "%s" "$(git describe --long | sed 's/\([^-]*-\)g/r\1/;s/-/./g')"
+}
+
+build() {
+	cd "${srcdir}/sabre"
+
+	cargo build --release
+}
+
+check() {
+	cd "${srcdir}/sabre"
+
+	cargo test
+}
+
+package() {
+	cd "${srcdir}/sabre"
+
+	install -Dm755 target/release/sabre "${pkgdir}/usr/bin/sabre"
+}