starship: simplify completion generation.

Use qemu build_helper and vcompletion.

srcpkgs/starship/template

@@ -3,7 +3,7 @@ pkgname=starship
 version=0.44.0
 revision=1
 build_style=cargo
-build_helper="rust"
+build_helper=qemu
 hostmakedepends="pkg-config"
 makedepends="libgit2-devel"
 checkdepends="git"
@@ -14,29 +14,22 @@ homepage="https://starship.rs"
 distfiles="https://github.com/starship/starship/archive/v${version}.tar.gz"
 checksum=b002fa0e2b34ad59330a543461a51648751db4ae8d439d58065a3b9656772fe3
 
-if [ "$CROSS_BUILD" ]; then
-	hostmakedepends+=" qemu-user-static"
-fi
+post_build() {
+	STARSHIP="target/${RUST_TARGET}/release/starship"
+	vtargetrun ${STARSHIP} completions zsh  >starship.zsh
+	vtargetrun ${STARSHIP} completions bash >starship.bash
+	vtargetrun ${STARSHIP} completions fish >starship.fish
+}
 
 pre_check() {
 	[ -L target/debug ] && unlink target/debug
 	ln -s release target/debug
 }
 
 post_install() {
-	STARSHIP="target/${RUST_TARGET}/release/starship"
-	if [ "$CROSS_BUILD" ]; then
-		export QEMU_LD_PREFIX=${XBPS_CROSS_BASE}
-		STARSHIP="/usr/bin/qemu-${XBPS_TARGET_QEMU_MACHINE}-static ${STARSHIP}"
-	fi
-
-	${STARSHIP} completions zsh  >starship.zsh
-	${STARSHIP} completions bash >starship.bash
-	${STARSHIP} completions fish >starship.fish
-
-	vinstall starship.zsh 0644 usr/share/zsh/site-functions/ _starship
-	vinstall starship.bash 0644 usr/share/bash-completion/completions/ starship
-	vinstall starship.fish 0644 usr/share/fish/vendor_completions.d/
+	vcompletion starship.bash bash
+	vcompletion starship.fish fish
+	vcompletion starship.zsh zsh
 
 	vlicense LICENSE
 }