internal/rosa/toybox: migrate to make helper

A previous change caused world rebuild, so it is a good time to do this.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/toybox.go

@@ -7,19 +7,24 @@ func (t Toolchain) newToybox(suffix, script string) pkg.Artifact {
 		version  = "0.8.13"
 		checksum = "rZ1V1ATDte2WeQZanxLVoiRGdfPXhMlEo5-exX-e-ml8cGn9qOv0ABEUVZpX3wTI"
 	)
-	return t.New("toybox-"+version+suffix, TEarly, stage0Concat(t, []pkg.Artifact{},
-		t.Load(Make),
-		t.Load(Bash),
-		t.Load(Gzip),
+	return t.NewViaMake("toybox"+suffix, version, pkg.NewHTTPGetTar(
+		nil,
+		"https://landley.net/toybox/downloads/toybox-"+version+".tar.gz",
+		mustDecode(checksum),
+		pkg.TarGzip,
+	), &MakeAttr{
+		Writable:      true,
+		OmitDefaults:  true,
+		InPlace:       true,
+		SkipConfigure: true,
+
+		ScriptEarly: `
+LDFLAGS="${LDFLAGS} -static"
 
-		t.Load(KernelHeaders),
-	), nil, stage0Concat(t, []string{},
-		"ROSA_CHECK=make USER=cure tests",
-	), `
 chmod +w /bin/
 ln -rs "$(which bash)" /bin/ || true
 
-cd /usr/src/toybox
+cd /usr/src/toybox` + suffix + `
 chmod +w kconfig tests
 rm \
 	tests/du.test \
@@ -32,21 +37,25 @@ make defconfig
 sed -i \
 	's/^CONFIG_TOYBOX_ZHELP=y$/CONFIG_TOYBOX_ZHELP=0/' \
 	.config
-`+script+`
-make \
-	"-j$(nproc)" \
-	LDFLAGS="${LDFLAGS} -static"
-${ROSA_CHECK}
-PREFIX=/work/system/bin make install_flat
 
+make "-j$(nproc)"
+`,
+		ScriptConfigured: script,
+		CheckName:        "USER=cure tests",
+		SkipCheck:        t.isStage0(),
+		ScriptInstall:    "PREFIX=/work/system/bin make install_flat",
+		Script: `
 mkdir -p /work/usr/bin
 ln -s ../../system/bin/env /work/usr/bin
-`, pkg.Path(AbsUsrSrc.Append("toybox"), true, pkg.NewHTTPGetTar(
-		nil,
-		"https://landley.net/toybox/downloads/toybox-"+version+".tar.gz",
-		mustDecode(checksum),
-		pkg.TarGzip,
-	)))
+`,
+
+		Flag: TEarly,
+	},
+		t.Load(Bash),
+		t.Load(Gzip),
+
+		t.Load(KernelHeaders),
+	)
 }
 func init() {
 	artifactsF[Toybox] = func(t Toolchain) pkg.Artifact {