internal/rosa/cmake: migrate to helper interface

This change also removes some unused options.

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

internal/rosa/llvm.go

@@ -7,33 +7,27 @@ import (
 	"strings"
 	"sync"
 
-	"hakurei.app/container/check"
 	"hakurei.app/internal/pkg"
 )
 
 // llvmAttr holds the attributes that will be applied to a new [pkg.Artifact]
 // containing a LLVM variant.
 type llvmAttr struct {
+	// Passed through to PackageAttr.Flag.
 	flags int
 
-	// Concatenated with default environment for CMakeAttr.Env.
+	// Concatenated with default environment for PackageAttr.Env.
 	env []string
-	// Concatenated with generated entries for CMakeAttr.Cache.
+	// Concatenated with generated entries for CMakeHelper.Cache.
 	cmake [][2]string
-	// Override CMakeAttr.Append.
+	// Override CMakeHelper.Append.
 	append []string
-	// Concatenated with default dependencies for Toolchain.NewViaCMake.
-	extra []pkg.Artifact
-	// Passed through to CMakeAttr.Paths.
+	// Passed through to PackageAttr.NonStage0.
+	nonStage0 []pkg.Artifact
+	// Passed through to PackageAttr.Paths.
 	paths []pkg.ExecPath
-	// Passed through to CMakeAttr.ScriptConfigured.
-	scriptConfigured string
-	// Concatenated with default fixup for CMakeAttr.Script.
+	// Concatenated with default fixup for CMakeHelper.Script.
 	script string
-	// Passed through to CMakeAttr.Prefix.
-	prefix *check.Absolute
-	// Passed through to CMakeAttr.Writable.
-	writable bool
 
 	// Patch name and body pairs.
 	patches [][2]string
@@ -101,7 +95,7 @@ func (t Toolchain) newLLVMVariant(variant string, attr *llvmAttr) pkg.Artifact {
 		}
 	}
 
-	var script, scriptEarly string
+	var script string
 
 	cache := [][2]string{
 		{"CMAKE_BUILD_TYPE", "Release"},
@@ -167,43 +161,41 @@ ln -s ld.lld /work/system/bin/ld
 		)
 	}
 
-	return t.NewViaCMake("llvm", version, t.NewPatchedSource(
+	return t.NewPackage("llvm", version, t.NewPatchedSource(
 		"llvmorg", version, pkg.NewHTTPGetTar(
 			nil, "https://github.com/llvm/llvm-project/archive/refs/tags/"+
 				"llvmorg-"+version+".tar.gz",
 			mustDecode(checksum),
 			pkg.TarGzip,
 		), true, attr.patches...,
-	), &CMakeAttr{
-		Variant: variant,
-
-		Cache:  slices.Concat(cache, attr.cmake),
-		Append: cmakeAppend,
-		Prefix: attr.prefix,
+	), &PackageAttr{
+		NonStage0: attr.nonStage0,
 
 		Env: slices.Concat([]string{
 			"ROSA_LLVM_PROJECTS=" + strings.Join(projects, ";"),
 			"ROSA_LLVM_RUNTIMES=" + strings.Join(runtimes, ";"),
 		}, attr.env),
-		ScriptEarly:      scriptEarly,
-		ScriptConfigured: attr.scriptConfigured,
-		Script:           script + attr.script,
-		Writable:         attr.writable,
 
 		Paths: attr.paths,
 		Flag:  TExclusive,
-	}, stage0Concat(t, attr.extra,
-		t.Load(Libffi),
-		t.Load(Python),
-		t.Load(Perl),
-		t.Load(Diffutils),
-		t.Load(Bash),
-		t.Load(Gawk),
-		t.Load(Coreutils),
-		t.Load(Findutils),
+	}, &CMakeHelper{
+		Variant: variant,
 
-		t.Load(KernelHeaders),
-	)...)
+		Cache:  slices.Concat(cache, attr.cmake),
+		Append: cmakeAppend,
+		Script: script + attr.script,
+	},
+		Libffi,
+		Python,
+		Perl,
+		Diffutils,
+		Bash,
+		Gawk,
+		Coreutils,
+		Findutils,
+
+		KernelHeaders,
+	)
 }
 
 // newLLVM returns LLVM toolchain across multiple [pkg.Artifact].
@@ -246,21 +238,21 @@ func (t Toolchain) newLLVM() (musl, compilerRT, runtimes, clang pkg.Artifact) {
 			{"COMPILER_RT_BUILD_XRAY", "OFF"},
 		},
 		append: []string{"compiler-rt"},
-		extra: []pkg.Artifact{t.newMusl(true, []string{
+		nonStage0: []pkg.Artifact{t.newMusl(true, []string{
 			"CC=clang",
 		})},
 		script: `
-mkdir -p "${ROSA_INSTALL_PREFIX}/lib/clang/21/lib/"
+mkdir -p "/work/system/lib/clang/21/lib/"
 ln -s \
 	"../../../${ROSA_TRIPLE}" \
-	"${ROSA_INSTALL_PREFIX}/lib/clang/21/lib/"
+	"/work/system/lib/clang/21/lib/"
 
 ln -s \
 	"clang_rt.crtbegin-` + linuxArch() + `.o" \
-	"${ROSA_INSTALL_PREFIX}/lib/${ROSA_TRIPLE}/crtbeginS.o"
+	"/work/system/lib/${ROSA_TRIPLE}/crtbeginS.o"
 ln -s \
 	"clang_rt.crtend-` + linuxArch() + `.o" \
-	"${ROSA_INSTALL_PREFIX}/lib/${ROSA_TRIPLE}/crtendS.o"
+	"/work/system/lib/${ROSA_TRIPLE}/crtendS.o"
 `,
 	})
 
@@ -287,7 +279,7 @@ ln -s \
 			{"LIBCXXABI_HAS_CXA_THREAD_ATEXIT_IMPL", "OFF"},
 		}, minimalDeps),
 		append: []string{"runtimes"},
-		extra: []pkg.Artifact{
+		nonStage0: []pkg.Artifact{
 			compilerRT,
 			musl,
 		},
@@ -305,7 +297,7 @@ ln -s \
 			{"CMAKE_CROSSCOMPILING", "OFF"},
 			{"CXX_SUPPORTS_CUSTOM_LINKER", "ON"},
 		}, minimalDeps),
-		extra: []pkg.Artifact{
+		nonStage0: []pkg.Artifact{
 			musl,
 			compilerRT,
 			runtimes,