internal/rosa: remove xz utils hack

This replaces all xz invocations with the native decompressor. This also significantly cleans up the Gentoo stage3 bootstrap path.

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

1 files changed, 0 insertions, 124 deletions

diff --git a/internal/rosa/busybox.go b/internal/rosa/busybox.go
deleted file mode 100644
index ae900a04..00000000
--- a/internal/rosa/busybox.go
+++ /dev/null
@@ -1,124 +0,0 @@
-package rosa
-
-import (
-	"fmt"
-	"io"
-	"net/http"
-	"os"
-	"time"
-
-	"hakurei.app/fhs"
-	"hakurei.app/internal/pkg"
-)
-
-// busyboxBin is a busybox binary distribution installed under bin/busybox.
-type busyboxBin struct {
-	// Underlying busybox binary.
-	bin pkg.FileArtifact
-}
-
-// Kind returns the hardcoded [pkg.Kind] value.
-func (a busyboxBin) Kind() pkg.Kind { return kindBusyboxBin }
-
-// Params is a noop.
-func (a busyboxBin) Params(*pkg.IContext) {}
-
-// IsExclusive returns false: Cure performs a trivial filesystem write.
-func (busyboxBin) IsExclusive() bool { return false }
-
-// Inputs returns the underlying busybox [pkg.FileArtifact].
-func (a busyboxBin) Inputs() []pkg.Artifact {
-	return []pkg.Artifact{a.bin}
-}
-
-func init() {
-	pkg.Register(kindBusyboxBin, func(r *pkg.IRReader) pkg.Artifact {
-		a := busyboxBin{r.Next().(pkg.FileArtifact)}
-		if _, ok := r.Finalise(); ok {
-			panic(pkg.ErrUnexpectedChecksum)
-		}
-		return a
-	})
-}
-
-// String returns the reporting name of the underlying file prefixed with expand.
-func (a busyboxBin) String() string {
-	return "expand-" + a.bin.(fmt.Stringer).String()
-}
-
-// Cure installs the underlying busybox [pkg.File] to bin/busybox.
-func (a busyboxBin) Cure(t *pkg.TContext) (err error) {
-	var r io.ReadCloser
-	if r, err = t.Open(a.bin); err != nil {
-		return
-	}
-	defer func() {
-		closeErr := r.Close()
-		if err == nil {
-			err = closeErr
-		}
-	}()
-
-	binDir := t.GetWorkDir().Append("bin")
-	if err = os.MkdirAll(binDir.String(), 0700); err != nil {
-		return
-	}
-
-	var w *os.File
-	if w, err = os.OpenFile(
-		binDir.Append("busybox").String(),
-		os.O_WRONLY|os.O_CREATE|os.O_EXCL,
-		0500,
-	); err != nil {
-		return
-	}
-	defer func() {
-		closeErr := w.Close()
-		if err == nil {
-			err = closeErr
-		}
-	}()
-
-	_, err = io.Copy(w, r)
-	return
-}
-
-// newBusyboxBin returns a [pkg.Artifact] containing a busybox installation from
-// the https://busybox.net/downloads/binaries/ binary release.
-func (s *S) newBusyboxBin() pkg.Artifact {
-	var version, url, checksum string
-	switch s.arch {
-	case "amd64":
-		version = "1.35.0"
-		url = "https://busybox.net/downloads/binaries/" +
-			version + "-" + s.linuxArch() + "-linux-musl/busybox"
-		checksum = "L7OBIsPu9enNHn7FqpBT1kOg_mCLNmetSeNMA3i4Y60Z5jTgnlX3qX3zcQtLx5AB"
-	case "arm64":
-		version = "1.31.0"
-		url = "https://busybox.net/downloads/binaries/" +
-			version + "-defconfig-multiarch-musl/busybox-armv8l"
-		checksum = "npJjBO7iwhjW6Kx2aXeSxf8kXhVgTCDChOZTTsI8ZfFfa3tbsklxRiidZQdrVERg"
-
-	default:
-		panic("unsupported target " + s.arch)
-	}
-
-	return pkg.NewExec(
-		"busybox-bin-"+version, s.arch, nil, pkg.ExecTimeoutMax, false, false,
-		fhs.AbsRoot, []string{
-			"PATH=/system/bin",
-		},
-		AbsSystem.Append("bin", "busybox"),
-		[]string{"hush", "-c", "" +
-			"busybox mkdir -p /work/system/bin/ && " +
-			"busybox cp /system/bin/busybox /work/system/bin/ && " +
-			"busybox --install -s /work/system/bin/"},
-		pkg.Path(AbsSystem, true, busyboxBin{pkg.NewHTTPGet(
-			&http.Client{Transport: &http.Transport{
-				// busybox website is really slow to respond
-				TLSHandshakeTimeout: 2 * time.Minute,
-			}}, url,
-			mustDecode(checksum),
-		)}),
-	)
-}