internal/rosa/azalea: ast and parser

This syntax is not final, but acts as a stopgap solution and a proof of concept.

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

cmd/mbf/main.go

@@ -506,6 +506,8 @@ func main() {
 			flagExport  string
 			flagRemote  bool
 			flagNoReply bool
+			flagFaults  bool
+			flagPop     bool
 
 			flagBoot bool
 			flagStd  bool
@@ -614,6 +616,49 @@ func main() {
 					}
 
 					return err
+
+				case flagFaults:
+					var faults []pkg.Fault
+					if err := cm.Do(func(cache *pkg.Cache) (err error) {
+						faults, err = cache.ReadFaults(t.Load(p))
+						return
+					}); err != nil {
+						return err
+					}
+
+					for _, fault := range faults {
+						log.Printf("%s: %s ago", fault.String(), time.Since(fault.Time()))
+					}
+					return nil
+
+				case flagPop:
+					var faults []pkg.Fault
+					if err := cm.Do(func(cache *pkg.Cache) (err error) {
+						faults, err = cache.ReadFaults(t.Load(p))
+						return
+					}); err != nil {
+						return err
+					}
+
+					if len(faults) == 0 {
+						return errors.New("no fault entries found")
+					}
+					fault := faults[len(faults)-1]
+					r, err := fault.Open()
+					if err != nil {
+						return err
+					}
+					if _, err = io.Copy(os.Stdout, r); err != nil {
+						_ = r.Close()
+						return err
+					}
+					fmt.Println()
+					if err = r.Close(); err != nil {
+						return err
+					}
+
+					log.Printf("faulting cure terminated %s ago", time.Since(fault.Time()))
+					return fault.Destroy()
 				}
 			},
 		).Flag(
@@ -644,9 +689,40 @@ func main() {
 			&flagStd,
 			"std", command.BoolFlag(false),
 			"Build on the intermediate toolchain",
+		).Flag(
+			&flagFaults,
+			"faults", command.BoolFlag(false),
+			"Display fault entries of the specified artifact",
+		).Flag(
+			&flagPop,
+			"pop", command.BoolFlag(false),
+			"Display and destroy the most recent fault entry",
 		)
 	}
 
+	c.NewCommand(
+		"clear",
+		"Remove all fault entries from the cache",
+		func([]string) error {
+			return cm.Do(func(*pkg.Cache) error {
+				pathname := filepath.Join(cm.base, "fault")
+				dents, err := os.ReadDir(pathname)
+				if err != nil {
+					return err
+				}
+
+				for _, dent := range dents {
+					msg.Verbosef("destroying entry %s", dent.Name())
+					if err = os.Remove(filepath.Join(pathname, dent.Name())); err != nil {
+						return err
+					}
+				}
+				log.Printf("destroyed %d fault entries", len(dents))
+				return nil
+			})
+		},
+	)
+
 	c.NewCommand(
 		"abort",
 		"Abort all pending cures on the daemon",

internal/pkg/exec_test.go

@@ -1,6 +1,7 @@
 package pkg_test
 
 import (
+	"bytes"
 	_ "embed"
 	"encoding/gob"
 	"errors"
@@ -85,6 +86,30 @@ func TestExec(t *testing.T) {
 					pkg.MustPath("/opt", false, testtool),
 				), ignorePathname, wantOffline, nil},
 
+				{"substitution", pkg.NewExec(
+					"exec-offline", "", new(wantOffline.hash()), 0, false, false,
+					pkg.AbsWork,
+					[]string{"HAKUREI_TEST=1"},
+					check.MustAbs("/opt/bin/testtool"),
+					[]string{"testtool"},
+
+					pkg.MustPath("/file", false, newStubFile(
+						pkg.KindHTTPGet,
+						pkg.ID{0xfe, 0},
+						nil,
+						nil, nil,
+					)),
+					// substitution miss fails in testtool due to differing idents
+					pkg.MustPath("/.hakurei", false, &stubArtifact{
+						kind:   pkg.KindTar,
+						params: []byte("empty directory (substituted)"),
+						cure: func(t *pkg.TContext) error {
+							return os.MkdirAll(t.GetWorkDir().String(), 0700)
+						},
+					}),
+					pkg.MustPath("/opt", false, testtool),
+				), ignorePathname, wantOffline, nil},
+
 				{"error passthrough", pkg.NewExec(
 					"", "", nil, 0, false, true,
 					pkg.AbsWork,
@@ -112,18 +137,41 @@ func TestExec(t *testing.T) {
 			})
 
 			// check init failure passthrough
-			var exitError *exec.ExitError
+			initFailureArtifact := pkg.NewExec(
-			if _, _, err := c.Cure(pkg.NewExec(
 				"", "", nil, 0, false, false,
 				pkg.AbsWork,
 				nil,
 				check.MustAbs("/opt/bin/testtool"),
 				[]string{"testtool"},
-			)); !errors.As(err, &exitError) ||
+			)
+			var exitError *exec.ExitError
+			if _, _, err := c.Cure(initFailureArtifact); !errors.As(err, &exitError) ||
 				exitError.ExitCode() != hst.ExitFailure {
 				t.Fatalf("Cure: error = %v, want init exit status 1", err)
 			}
 
+			var faultStatus []byte
+			if faults, err := c.ReadFaults(initFailureArtifact); err != nil {
+				t.Fatal(err)
+			} else if len(faults) != 1 {
+				t.Fatalf("ReadFaults: %v", faults)
+			} else if faultStatus, err = os.ReadFile(faults[0].String()); err != nil {
+				t.Fatal(err)
+			} else if err = faults[0].Destroy(); err != nil {
+				t.Fatal(err)
+			} else {
+				t.Logf("destroyed expected fault at %s", faults[0].Time().UTC())
+			}
+
+			if !bytes.HasPrefix(faultStatus, []byte(
+				"internal/pkg ",
+			)) || !bytes.Contains(faultStatus, []byte(
+				"\ninit: fork/exec /opt/bin/testtool: no such file or directory\n",
+			)) {
+				t.Errorf("unexpected status:\n%s", string(faultStatus))
+			}
+
+			destroyStatus(t, base, 2, 1)
 			testtoolDestroy(t, base, c)
 		}, expectsFS{
 			".": {Mode: fs.ModeDir | 0700},
@@ -135,6 +183,8 @@ func TestExec(t *testing.T) {
 			"checksum/OLBgp1GsljhM2TJ-sbHjaiH9txEUvgdDTAzHv2P24donTt6_529l-9Ua0vFImLlb": {Mode: 0400, Data: []byte{}},
 
 			"identifier": {Mode: fs.ModeDir | 0700},
+			"identifier/IY91PCtOpCYy21AaIK0c9f8-Z6fb2_2ewoHWkt4dxoLf0GOrWqS8yAGFLV84b1Dw": {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/" + wantOfflineEncode)},
+			"identifier/QwS7SmiatdqryQYgESdGw7Yw2PcpNf0vNfpvUA0t92BTlKiUjfCrXyMW17G2X77X": {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/MGWmEfjut2QE2xPJwTsmUzpff4BN_FEnQ7T0j7gvUCCiugJQNwqt9m151fm9D1yU")},
 			"identifier/_gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA": {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/OLBgp1GsljhM2TJ-sbHjaiH9txEUvgdDTAzHv2P24donTt6_529l-9Ua0vFImLlb")},
 			"identifier/" + expected.Offline:                                              {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/" + wantOfflineEncode)},
 			"identifier/vjz1MHPcGBKV7sjcs8jQP3cqxJ1hgPTiQBMCEHP9BGXjGxd-tJmEmXKaStObo5gK": {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/MGWmEfjut2QE2xPJwTsmUzpff4BN_FEnQ7T0j7gvUCCiugJQNwqt9m151fm9D1yU")},
@@ -178,6 +228,7 @@ func TestExec(t *testing.T) {
 				), ignorePathname, wantNet, nil},
 			})
 
+			destroyStatus(t, base, 2, 0)
 			testtoolDestroy(t, base, c)
 		}, expectsFS{
 			".": {Mode: fs.ModeDir | 0700},
@@ -221,6 +272,7 @@ func TestExec(t *testing.T) {
 				), ignorePathname, wantOffline, nil},
 			})
 
+			destroyStatus(t, base, 2, 0)
 			testtoolDestroy(t, base, c)
 		}, expectsFS{
 			".": {Mode: fs.ModeDir | 0700},
@@ -267,6 +319,7 @@ func TestExec(t *testing.T) {
 				), ignorePathname, wantOffline, nil},
 			})
 
+			destroyStatus(t, base, 2, 0)
 			testtoolDestroy(t, base, c)
 		}, expectsFS{
 			".": {Mode: fs.ModeDir | 0700},
@@ -335,6 +388,7 @@ func TestExec(t *testing.T) {
 				), ignorePathname, wantOffline, nil},
 			})
 
+			destroyStatus(t, base, 2, 0)
 			testtoolDestroy(t, base, c)
 		}, expectsFS{
 			".": {Mode: fs.ModeDir | 0700},
@@ -387,6 +441,7 @@ func TestExec(t *testing.T) {
 				), ignorePathname, wantOffline, nil},
 			})
 
+			destroyStatus(t, base, 2, 0)
 			testtoolDestroy(t, base, c)
 		}, expectsFS{
 			".": {Mode: fs.ModeDir | 0700},
@@ -450,6 +505,8 @@ func TestExec(t *testing.T) {
 					"check": {Mode: 0400, Data: []byte("binfmt")},
 				}, nil},
 			})
+
+			destroyStatus(t, base, 2, 0)
 		}, expectsFS{
 			".": {Mode: fs.ModeDir | 0700},
 

internal/pkg/pkg.go

@@ -4,6 +4,7 @@ package pkg
 import (
 	"bufio"
 	"bytes"
+	"cmp"
 	"context"
 	"crypto/sha512"
 	"encoding/base64"
@@ -25,6 +26,7 @@ import (
 	"sync/atomic"
 	"syscall"
 	"testing"
+	"time"
 	"unique"
 	"unsafe"
 
@@ -248,7 +250,14 @@ func (t *TContext) destroy(errP *error) {
 			*errP = errors.Join(*errP, err)
 		}
 		if *errP != nil {
-			*errP = errors.Join(*errP, os.Remove(t.statusPath.String()))
+			*errP = errors.Join(*errP, os.Rename(
+				t.statusPath.String(), t.cache.base.Append(
+					dirFault,
+					t.ids+"."+strconv.FormatUint(uint64(
+						time.Now().UnixNano(),
+					), 10),
+				).String(),
+			))
 		}
 		t.status = nil
 	}
@@ -509,36 +518,34 @@ const (
 )
 
 const (
-	// fileLock is the file name appended to Cache.base for guaranteeing
+	// fileLock is the lock file for exclusive access to the cache directory.
-	// exclusive access to the cache directory.
 	fileLock = "lock"
-	// fileVariant is the file name appended to Cache.base holding the variant
+	// fileVariant is a file holding the variant identification string set by a
-	// identification string set by a prior call to [SetExtension].
+	// prior call to [SetExtension].
 	fileVariant = "variant"
 
-	// dirSubstitute is the directory name appended to Cache.base for linking
+	// dirSubstitute holds symlinks to artifacts by checksum, named after their
-	// artifacts named after their substitute identifier.
+	// substitute identifier.
 	dirSubstitute = "substitute"
-	// dirIdentifier is the directory name appended to Cache.base for storing
+	// dirIdentifier holds symlinks to artifacts by checksum,  named after their
-	// artifacts named after their [ID].
+	// IR-based identifier.
 	dirIdentifier = "identifier"
-	// dirChecksum is the directory name appended to Cache.base for storing
+	// dirChecksum holds artifacts named after their [Checksum].
-	// artifacts named after their [Checksum].
 	dirChecksum = "checksum"
-	// dirStatus is the directory name appended to Cache.base for storing
+	// dirStatus holds artifact metadata and logs named after their IR-based
-	// artifact metadata and logs named after their [ID].
+	// identifier. For [FloodArtifact], the same file is also available under
+	// its substitute identifier.
 	dirStatus = "status"
+	// dirFault holds status files of faulted cures.
+	dirFault = "fault"
 
-	// dirWork is the directory name appended to Cache.base for working
+	// dirWork holds working pathnames set up during [Cache.Cure].
-	// pathnames set up during [Cache.Cure].
 	dirWork = "work"
-	// dirTemp is the directory name appended to Cache.base for scratch space
+	// dirTemp holds scratch space allocated during [Cache.Cure].
-	// pathnames allocated during [Cache.Cure].
 	dirTemp = "temp"
 
-	// dirExecScratch is the directory name appended to Cache.base for scratch
+	// dirExecScratch is scratch space set up for the container started by
-	// space setting up the container started by [Cache.EnterExec]. Exclusivity
+	// [Cache.EnterExec]. Exclusivity via Cache.inExec.
-	// via Cache.inExec.
 	dirExecScratch = "scratch"
 
 	// checksumLinknamePrefix is prepended to the encoded [Checksum] value
@@ -1995,10 +2002,11 @@ func (c *Cache) cure(a Artifact, curesExempt bool) (
 		buf := c.getIdentBuf()
 		sh.Sum(buf[wordSize:wordSize])
 		substitute = unique.Make(ID(buf[wordSize:]))
+		substitutes := Encode(substitute.Value())
 		c.putIdentBuf(buf)
 		alternative = c.base.Append(
 			dirSubstitute,
-			Encode(substitute.Value()),
+			substitutes,
 		)
 
 		if c.flags&CIgnoreSubstitutes == 0 {
@@ -2014,6 +2022,17 @@ func (c *Cache) cure(a Artifact, curesExempt bool) (
 					dirChecksum,
 					checksums,
 				)
+				if _, err = os.Lstat(c.base.Append(
+					dirStatus,
+					substitutes,
+				).String()); err == nil {
+					err = os.Symlink(substitutes, c.base.Append(
+						dirStatus,
+						ids,
+					).String())
+				} else if errors.Is(err, os.ErrNotExist) {
+					err = nil
+				}
 				return
 			}
 		}
@@ -2023,6 +2042,15 @@ func (c *Cache) cure(a Artifact, curesExempt bool) (
 			return
 		}
 		err = ca.Cure(&f)
+		if err == nil && f.status != nil {
+			err = os.Link(c.base.Append(
+				dirStatus,
+				ids,
+			).String(), c.base.Append(
+				dirStatus,
+				substitutes,
+			).String())
+		}
 		c.exitCure(a, curesExempt)
 		if err != nil {
 			return
@@ -2131,6 +2159,52 @@ func (c *Cache) OpenStatus(a Artifact) (r io.ReadSeekCloser, err error) {
 	return
 }
 
+// Fault holds the pathname and termination time of an [Artifact] fault entry.
+type Fault struct {
+	*check.Absolute
+	t uint64
+}
+
+// Time returns the instant in time where the fault occurred.
+func (f Fault) Time() time.Time { return time.Unix(0, int64(f.t)) }
+
+// Open opens the underlying entry for reading.
+func (f Fault) Open() (io.ReadCloser, error) { return os.Open(f.Absolute.String()) }
+
+// Destroy removes the underlying fault entry.
+func (f Fault) Destroy() error { return os.Remove(f.Absolute.String()) }
+
+// ReadFaults returns fault entries for an [Artifact].
+func (c *Cache) ReadFaults(a Artifact) (faults []Fault, err error) {
+	prefix := Encode(c.Ident(a).Value()) + "."
+	var dents []os.DirEntry
+	if dents, err = os.ReadDir(c.base.Append(dirFault).String()); err != nil {
+		return
+	}
+
+	for _, dent := range dents {
+		name := dent.Name()
+		if !strings.HasPrefix(name, prefix) {
+			continue
+		}
+		var t uint64
+		t, err = strconv.ParseUint(name[len(prefix):], 10, 64)
+		if err != nil {
+			return
+		}
+
+		faults = append(faults, Fault{c.base.Append(
+			dirFault,
+			name,
+		), t})
+	}
+
+	slices.SortFunc(faults, func(a, b Fault) int {
+		return cmp.Compare(a.t, b.t)
+	})
+	return
+}
+
 // Abort cancels all pending cures and waits for them to clean up, but does not
 // close the cache.
 func (c *Cache) Abort() {
@@ -2234,6 +2308,7 @@ func open(
 		dirIdentifier,
 		dirChecksum,
 		dirStatus,
+		dirFault,
 		dirWork,
 	} {
 		if err := os.MkdirAll(

internal/pkg/pkg_test.go

@@ -21,6 +21,7 @@ import (
 	"syscall"
 	"testing"
 	"testing/fstest"
+	"time"
 	"unique"
 	"unsafe"
 
@@ -244,6 +245,41 @@ func newDestroyArtifactFunc(a pkg.Artifact) func(
 	}
 }
 
+// destroyStatus counts non-substitution status entries and destroys them.
+func destroyStatus(t *testing.T, base *check.Absolute, c, s int) {
+	dents, err := os.ReadDir(base.Append("status").String())
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	var gotC, gotS int
+	for _, dent := range dents {
+		if err = os.Remove(base.Append(
+			"status",
+			dent.Name(),
+		).String()); err != nil {
+			t.Fatal(err)
+		}
+
+		if dent.Type().IsRegular() {
+			gotC++
+			continue
+		}
+		if dent.Type()&fs.ModeSymlink == fs.ModeSymlink {
+			gotS++
+			continue
+		}
+		t.Errorf("%s: %s", dent.Name(), dent.Type())
+	}
+
+	if gotC != c {
+		t.Errorf("status: c = %d, want %d", gotC, c)
+	}
+	if gotS != s {
+		t.Errorf("status: s = %d, want %d", gotS, s)
+	}
+}
+
 func TestIdent(t *testing.T) {
 	t.Parallel()
 
@@ -488,10 +524,17 @@ func checkWithCache(t *testing.T, testCases []cacheTestCase) {
 				}
 			}
 
-			// destroy non-deterministic status files
+			// destroy empty status directory
-			if err := os.RemoveAll(base.Append("status").String()); err != nil {
+			if err := syscall.Rmdir(base.Append("status").String()); err != nil {
+				t.Error(expectsFrom(base.Append("status").String()))
 				t.Fatal(err)
 			}
+
+			// destroy empty fault directory
+			if err := os.Remove(base.Append("fault").String()); err != nil {
+				t.Fatal(err)
+			}
+
 			want := tc.want.hash()
 
 			var checksum pkg.Checksum
@@ -555,6 +598,21 @@ func cureMany(t *testing.T, c *pkg.Cache, steps []cureStep) {
 	for _, step := range steps {
 		t.Log("cure step:", step.name)
 		if pathname, checksum, err := c.Cure(step.a); !reflect.DeepEqual(err, step.err) {
+			faults, _err := c.ReadFaults(step.a)
+			if _err != nil {
+				t.Errorf("ReadFaults: error = %v", _err)
+			}
+
+			var p []byte
+			for _, fault := range faults {
+				p, _err = os.ReadFile(fault.String())
+				if _err != nil {
+					t.Error(_err)
+					continue
+				}
+				t.Log(string(p))
+				t.Logf("faulting cure terminated %s ago", time.Since(faults[0].Time()))
+			}
 			t.Fatalf("Cure: error = %v, want %v", err, step.err)
 		} else if step.pathname != ignorePathname && !pathname.Is(step.pathname) {
 			t.Fatalf("Cure: pathname = %q, want %q", pathname, step.pathname)
@@ -1059,8 +1117,14 @@ func TestCache(t *testing.T) {
 						"_EmV5nsYZ2UWHgRmLDMU8i-rJWDx-kv5_1pFrzQI7vMMCM5mAXivO8UZtVfOqMR_",
 					), want, nil},
 				})
-
 			}
+
+			if dents, err := os.ReadDir(base.Append("status").String()); err != nil {
+				t.Fatal(err)
+			} else if len(dents) > 0 {
+				t.Errorf("ReadDir: %v", dents)
+			}
+
 		}, expectsFS{
 			".": {Mode: fs.ModeDir | 0700},
 

internal/rosa/all.go

@@ -56,6 +56,8 @@ const (
 	Fakeroot
 	Findutils
 	Flex
+	FontUtil
+	Freetype
 	Fuse
 	GMP
 	GLib
@@ -77,7 +79,10 @@ const (
 	LIT
 	LibX11
 	LibXau
+	LibXdmcp
 	LibXext
+	LibXfixes
+	LibXfont2
 	LibXrandr
 	LibXrender
 	LibXxf86vm
@@ -87,9 +92,11 @@ const (
 	Libconfig
 	LibdisplayInfo
 	Libdrm
+	Libepoxy
 	Libev
 	Libexpat
 	Libffi
+	Libfontenc
 	Libgd
 	Libglvnd
 	Libiconv
@@ -101,17 +108,28 @@ const (
 	Libpsl
 	Libseccomp
 	Libtasn1
+	Libtirpc
 	Libtool
 	Libucontext
 	Libunistring
-	Libxshmfence
+	Libva
+	LibxcbRenderUtil
+	LibxcbUtil
+	LibxcbUtilImage
+	LibxcbUtilKeysyms
+	LibxcbUtilWM
+	Libxcvt
+	Libxkbfile
 	Libxml2
+	Libxshmfence
 	Libxslt
 	Libxtrans
+	LMSensors
 	M4
 	MPC
 	MPFR
 	Make
+	Mesa
 	Meson
 	Mksh
 	MuslFts
@@ -133,10 +151,12 @@ const (
 	PerlPodParser
 	PerlSGMLS
 	PerlTermReadKey
+	PerlTestCmd
 	PerlTextCharWidth
 	PerlTextWrapI18N
 	PerlUnicodeLineBreak
 	PerlYAMLTiny
+	Pixman
 	PkgConfig
 	Procps
 	Python
@@ -179,10 +199,12 @@ const (
 	WaylandProtocols
 	XCB
 	XCBProto
-	XCBUtilKeysyms
 	XDGDBusProxy
 	XZ
+	Xkbcomp
+	XkeyboardConfig
 	XorgProto
+	Xserver
 	Zlib
 	Zstd
 

internal/rosa/azalea/azalea.go

@@ -0,0 +1,386 @@
+// Package azalea implements a proof-of-concept, domain-specific language for
+// Rosa OS software packaging.
+package azalea
+
+import (
+	"errors"
+	"io"
+	"strconv"
+	"text/scanner"
+)
+
+// idents are runes accepted in an identifier.
+var idents = [...]bool{
+	'0': true, '1': true, '2': true, '3': true, '4': true, '5': true, '6': true,
+	'7': true, '8': true, '9': true,
+
+	'A': true, 'B': true, 'C': true, 'D': true, 'E': true, 'F': true, 'G': true,
+	'H': true, 'I': true, 'J': true, 'K': true, 'L': true, 'M': true, 'N': true,
+	'O': true, 'P': true, 'Q': true, 'R': true, 'S': true, 'T': true, 'U': true,
+	'V': true, 'W': true, 'X': true, 'Y': true, 'Z': true,
+
+	'a': true, 'b': true, 'c': true, 'd': true, 'e': true, 'f': true, 'g': true,
+	'h': true, 'i': true, 'j': true, 'k': true, 'l': true, 'm': true, 'n': true,
+	'o': true, 'p': true, 'q': true, 'r': true, 's': true, 't': true, 'u': true,
+	'v': true, 'w': true, 'x': true, 'y': true, 'z': true,
+
+	'-': true, '_': true,
+}
+
+// TokenError describes an unexpected token.
+type TokenError [2]rune
+
+func (e TokenError) Error() string {
+	return "expected " + scanner.TokenString(e[0]) +
+		", found " + scanner.TokenString(e[1])
+}
+
+// ExprError is an unexpected token encountered while parsing an expression.
+type ExprError rune
+
+func (e ExprError) Error() string {
+	return "unexpected token " + scanner.TokenString(rune(e))
+}
+
+// must1 returns v, or panics if err is not nil.
+func must1[T any](v T, err error) T {
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// parser retains the current token.
+type parser struct {
+	s   scanner.Scanner
+	tok rune
+}
+
+// scan advances the underlying scanner to the next token, storing its result.
+func (p *parser) scan() rune { p.tok = p.s.Scan(); return p.tok }
+
+// scanAs advances the scanner for an expected token.
+func (p *parser) scanAs(expects rune) {
+	e := TokenError{expects, p.scan()}
+	if e[0] != e[1] {
+		panic(e)
+	}
+}
+
+// parseInt parses the current token as a base 10 representation of a 64-bit
+// signed integer.
+func (p *parser) parseInt() int64 {
+	return must1(strconv.ParseInt(p.s.TokenText(), 10, 64))
+}
+
+// A String represents an identifier or string literal.
+type String struct {
+	Value string
+	Ident bool
+}
+
+// A StringSpec describes a statement evaluating down to a string value.
+type StringSpec []String
+
+// parseString parses the current token as a string.
+func (p *parser) parseString() string {
+	return must1(strconv.Unquote(p.s.TokenText()))
+}
+
+// appendStringSpec parses from the next token until the end of the StringSpec.
+// It always advances past the final token.
+func (p *parser) appendStringSpec(
+	op bool,
+	data StringSpec,
+) (v StringSpec, ok bool) {
+	ok = true
+	v = data
+	for {
+		if op {
+			switch tok := p.scan(); tok {
+			case '+':
+				break
+
+			default:
+				return
+			}
+		}
+
+		switch tok := p.scan(); tok {
+		case scanner.String, scanner.RawString:
+			v = append(v, String{p.parseString(), false})
+
+		case scanner.Ident:
+			v = append(v, String{p.s.TokenText(), true})
+
+		default:
+			ok = op
+			return
+		}
+		op = true
+	}
+}
+
+// A KV holds a key/value pair.
+type KV struct {
+	K string
+	V any
+}
+
+// An Arg represents an argument of [Func].
+type Arg struct {
+	K []string
+	V any
+	R bool
+}
+
+// Func is a function call or package declaration.
+type Func struct {
+	// Function or package identifier.
+	Ident string
+	// Whether this is a package declaration.
+	Package bool
+	// Key-value arguments.
+	Args []Arg
+}
+
+// parseExpr scans and parses the current expression. A nil return indicates
+// [scanner.EOF].
+func (p *parser) parseExpr() (any, bool) {
+	switch p.tok {
+	case scanner.EOF:
+		return nil, false
+
+	case scanner.Int:
+		return p.parseInt(), false
+
+	case scanner.String, scanner.RawString:
+		v, ok := p.appendStringSpec(true, StringSpec{
+			{p.parseString(), false},
+		})
+		if !ok {
+			panic(TokenError{scanner.String, p.tok})
+		}
+		return v, true
+
+	case scanner.Ident:
+		var v Func
+		v.Ident = p.s.TokenText()
+		if v.Package = v.Ident == "package"; v.Package {
+			p.scanAs(scanner.Ident)
+			v.Ident = p.s.TokenText()
+		}
+
+		p.scan()
+		switch p.tok {
+		case '{':
+			for {
+				p.scan()
+				switch p.tok {
+				case '}':
+					return v, false
+
+				case scanner.Ident:
+					break
+
+				default:
+					panic(TokenError{scanner.Ident, p.tok})
+				}
+
+				var next bool
+				arg := Arg{K: []string{p.s.TokenText()}}
+				delim := true
+			arg:
+				for {
+					p.scan()
+					switch p.tok {
+					case ',':
+						if delim {
+							delim = false
+							continue
+						}
+						panic(ExprError(p.tok))
+
+					case scanner.Ident:
+						if delim {
+							panic(TokenError{',', p.tok})
+						}
+						delim = true
+						arg.K = append(arg.K, p.s.TokenText())
+
+					default:
+						break arg
+					}
+				}
+				switch p.tok {
+				case '=':
+					break
+
+				case '*':
+					arg.R = true
+					p.scanAs('=')
+
+				default:
+					panic(TokenError{'=', p.tok})
+				}
+				p.scan()
+				arg.V, next = p.parseExpr()
+				v.Args = append(v.Args, arg)
+				if !next {
+					p.scanAs(';')
+				}
+			}
+
+		case ';':
+			return StringSpec{{v.Ident, true}}, true
+
+		case '+':
+			s, ok := p.appendStringSpec(false, StringSpec{
+				{v.Ident, true},
+			})
+			if !ok {
+				panic(TokenError{scanner.String, p.tok})
+			}
+			return s, p.tok != scanner.EOF
+
+		case scanner.EOF:
+			return StringSpec{{v.Ident, true}}, false
+
+		default:
+			return StringSpec{{v.Ident, true}}, true
+		}
+
+	case '{':
+		var v []KV
+		for {
+			p.scan()
+			switch p.tok {
+			case '}':
+				return v, false
+
+			case scanner.String:
+				pair := KV{K: p.parseString()}
+				p.scan()
+				switch p.tok {
+				case ';':
+					break
+
+				case ':':
+					var next bool
+					p.scan()
+					pair.V, next = p.parseExpr()
+					if !next {
+						p.scanAs(';')
+					}
+					break
+
+				default:
+					panic(ExprError(p.tok))
+				}
+				v = append(v, pair)
+
+			default:
+				panic(ExprError(p.tok))
+			}
+		}
+
+	case '[':
+		var (
+			v     []any
+			e     any
+			delim bool
+			next  bool
+		)
+		for {
+			if !next {
+				p.scan()
+			}
+			switch p.tok {
+			case ',':
+				if delim {
+					delim = false
+					next = false
+					continue
+				}
+				panic(ExprError(','))
+			case ']':
+				return v, false
+			case scanner.EOF:
+				panic(ExprError(scanner.EOF))
+			default:
+				if delim {
+					panic(TokenError{',', p.tok})
+				}
+				delim = true
+				break
+			}
+
+			e, next = p.parseExpr()
+			v = append(v, e)
+		}
+
+	default:
+		panic(ExprError(p.tok))
+	}
+}
+
+// ScanError is the error count parsing all expressions.
+type ScanError int
+
+func (ScanError) Error() string {
+	return "aborting due to scanning errors"
+}
+
+// Parse parses expressions from r.
+func Parse(r io.Reader) (e []any, err error) {
+	var p parser
+	p.s.Init(r)
+
+	p.s.Mode = scanner.ScanIdents |
+		scanner.ScanInts |
+		scanner.ScanStrings |
+		scanner.ScanRawStrings |
+		scanner.ScanComments |
+		scanner.SkipComments
+	p.s.IsIdentRune = func(ch rune, i int) bool {
+		if i == 0 && ch >= '0' && ch <= '9' {
+			return false
+		}
+		return ch > 0 && ch < rune(len(idents)) && idents[ch]
+	}
+
+	defer func() {
+		v := recover()
+		if v == nil {
+			return
+		}
+
+		_err, ok := v.(error)
+		if !ok {
+			panic(v)
+		}
+
+		if err == nil {
+			err = _err
+			return
+		}
+		err = errors.Join(err, _err)
+	}()
+
+	p.scan()
+	for {
+		expr, next := p.parseExpr()
+		if expr == nil {
+			break
+		}
+		e = append(e, expr)
+		if !next {
+			p.scan()
+		}
+	}
+
+	if p.s.ErrorCount != 0 {
+		err = ScanError(p.s.ErrorCount)
+	}
+	return
+}

internal/rosa/azalea/azalea_test.go

@@ -0,0 +1,149 @@
+package azalea_test
+
+import (
+	_ "embed"
+	"reflect"
+	"strings"
+	"testing"
+	"text/scanner"
+
+	"hakurei.app/internal/rosa/azalea"
+)
+
+//go:embed testdata/gcc.az
+var sample string
+
+func TestParse(t *testing.T) {
+	t.Parallel()
+
+	testCases := []struct {
+		name string
+		data string
+		want []any
+		err  error
+	}{
+		{"invalid", "}", nil, azalea.ExprError('}')},
+		{"bad sep", "f{v?}", nil, azalea.TokenError{'=', '?'}},
+		{"bad ident", "f{9}", nil, azalea.TokenError{scanner.Ident, scanner.Int}},
+		{"share bad sep", "f { v,,v = v; }", nil, azalea.ExprError(',')},
+		{"share missing sep", "f { v v }", nil, azalea.TokenError{',', scanner.Ident}},
+
+		{"ident string", `v`, []any{azalea.StringSpec{
+			{Value: "v", Ident: true},
+		}}, nil},
+		{"ident string concat", `v+"\xfd"`, []any{azalea.StringSpec{
+			{Value: "v", Ident: true},
+			{Value: "\xfd"},
+		}}, nil},
+		{"truncated string concat", `v+`, nil,
+			azalea.TokenError{scanner.String, scanner.EOF}},
+		{"unexpected string concat", `v+9`, nil,
+			azalea.TokenError{scanner.String, scanner.Int}},
+
+		{"empty pairs", `{}`, []any{[]azalea.KV(nil)}, nil},
+		{"short kv", `{"\x00":v;}`, []any{[]azalea.KV{
+			{K: "\x00", V: azalea.StringSpec{azalea.String{Value: "v", Ident: true}}},
+		}}, nil},
+		{"truncated kv", `{"\x00"`, nil, azalea.ExprError(scanner.EOF)},
+		{"ident kv", `{v="";}`, nil, azalea.ExprError(scanner.Ident)},
+
+		{"empty array", `[]`, []any{[]any(nil)}, nil},
+		{"integer array", `[9]`, []any{[]any{int64(9)}}, nil},
+		{"short array", `[ "\x00" ]`, []any{
+			[]any{azalea.StringSpec{{Value: "\x00"}}},
+		}, nil},
+		{"short array delim", `[ "\x00", ]`, []any{
+			[]any{azalea.StringSpec{{Value: "\x00"}}},
+		}, nil},
+		{"missing array value", `[ "\x00", , v ]`, nil, azalea.ExprError(',')},
+		{"missing array delimiter", `[ v0 v1 ]`, nil, azalea.TokenError{',', scanner.Ident}},
+		{"truncated array", `[ "\x00"`, nil,
+			azalea.ExprError(scanner.EOF)},
+
+		{"gcc", sample, []any{azalea.Func{
+			Ident:   "gcc",
+			Package: true,
+
+			Args: []azalea.Arg{
+				{K: []string{"description"}, V: azalea.StringSpec{{Value: "The GNU Compiler Collection"}}},
+				{K: []string{"website"}, V: azalea.StringSpec{{Value: "https://www.gnu.org/software/gcc"}}},
+				{K: []string{"anitya"}, V: int64(6502)},
+				{K: []string{"version"}, V: azalea.StringSpec{{Value: "16.1.0"}}, R: true},
+				{K: []string{"source"}, V: azalea.Func{Ident: "remoteTar", Package: false, Args: []azalea.Arg{
+					{K: []string{"url"}, V: azalea.StringSpec{
+						{Value: "https://ftp.tsukuba.wide.ad.jp/software/gcc/releases/"},
+						{Value: "gcc-"}, {Value: "version", Ident: true},
+						{Value: "/gcc-"}, {Value: "version", Ident: true},
+						{Value: ".tar.gz"},
+					}},
+					{K: []string{"checksum"}, V: azalea.StringSpec{
+						{Value: "4ASoWbxaA2FW7PAB0zzHDPC5XnNhyaAyjtDPpGzceSLeYnEIXsNYZR3PA_Zu5P0K"},
+					}},
+					{K: []string{"compress"}, V: azalea.StringSpec{{Value: "gzip", Ident: true}}},
+				}}},
+				{K: []string{"patches"}, V: []any{
+					azalea.StringSpec{{Value: "musl-off64_t-loff_t.patch"}},
+					azalea.StringSpec{{Value: "musl-legacy-lfs.patch"}},
+				}},
+				{K: []string{"exclusive"}, V: azalea.StringSpec{{Value: "true", Ident: true}}},
+				{K: []string{"exec"}, V: azalea.Func{
+					Ident: "make",
+
+					Args: []azalea.Arg{
+						{K: []string{"configure"}, V: []azalea.KV{
+							{K: "disable-multilib"},
+							{K: "enable-default-pie"},
+							{K: "disable-nls"},
+							{K: "with-gnu-as"},
+							{K: "with-gnu-ld"},
+							{K: "with-system-zlib"},
+							{K: "enable-languages", V: azalea.StringSpec{{Value: "c,c++,go"}}},
+							{K: "with-native-system-header-dir", V: azalea.StringSpec{{Value: "/system/include"}}},
+							{K: "with-multilib-list", V: azalea.Func{
+								Ident: "arch",
+
+								Args: []azalea.Arg{
+									{K: []string{"amd64", "arm64"}, V: azalea.StringSpec{{Value: "''"}}},
+									{K: []string{"default"}, V: azalea.StringSpec{{Value: "unset", Ident: true}}},
+								},
+							}},
+						}},
+						{K: []string{"make"}, V: []any{
+							azalea.StringSpec{{Value: "BOOT_CFLAGS='-O2 -g'"}},
+							azalea.Func{
+								Ident: "noop",
+								Args: []azalea.Arg{
+									{K: []string{"key"}, V: azalea.StringSpec{
+										{Value: "value", Ident: true},
+									}},
+								},
+							},
+							azalea.StringSpec{{Value: "bootstrap"}},
+						}},
+						{K: []string{"skip-check"}, V: azalea.StringSpec{{Value: "true", Ident: true}}},
+					},
+				}},
+				{K: []string{"inputs"}, V: []any{
+					azalea.StringSpec{{Value: "binutils", Ident: true}},
+					azalea.StringSpec{{Value: "mpc", Ident: true}},
+					azalea.StringSpec{{Value: "zlib", Ident: true}},
+					azalea.StringSpec{{Value: "libucontext", Ident: true}},
+					azalea.StringSpec{{Value: "kernel-headers", Ident: true}},
+				}},
+			},
+		}}, nil},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			p, err := azalea.Parse(strings.NewReader(tc.data))
+			if !reflect.DeepEqual(p, tc.want) {
+				t.Errorf("Parse: %#v, want %#v", p, tc.want)
+			}
+			if !reflect.DeepEqual(err, tc.err) {
+				t.Errorf("Parse: error = %v, want %v", err, tc.err)
+			}
+		})
+	}
+}

internal/rosa/azalea/testdata/gcc.az

@@ -0,0 +1,57 @@
+package gcc {
+	description = "The GNU Compiler Collection";
+	website = "https://www.gnu.org/software/gcc";
+	anitya = 6502;
+
+	version* = "16.1.0";
+	source = remoteTar {
+		url = "https://ftp.tsukuba.wide.ad.jp/software/gcc/releases/"+
+			"gcc-"+version+"/gcc-"+version+".tar.gz";
+		checksum = "4ASoWbxaA2FW7PAB0zzHDPC5XnNhyaAyjtDPpGzceSLeYnEIXsNYZR3PA_Zu5P0K";
+		compress = gzip;
+	};
+	patches = [
+		"musl-off64_t-loff_t.patch",
+		"musl-legacy-lfs.patch",
+	];
+
+	// GCC spends most of its time in its many configure scripts, however
+	// it also saturates the CPU for a consequential amount of time.
+	exclusive = true;
+
+	exec = make {
+		configure = {
+			"disable-multilib";
+			"enable-default-pie";
+			"disable-nls";
+			"with-gnu-as";
+			"with-gnu-ld";
+			"with-system-zlib";
+			"enable-languages": "c,c++,go";
+			"with-native-system-header-dir": "/system/include";
+			"with-multilib-list": arch {
+				amd64, arm64 = "''";
+				default = unset;
+			};
+		};
+		make = [
+			"BOOT_CFLAGS='-O2 -g'",
+			noop { key = value; },
+			"bootstrap",
+		];
+
+		// This toolchain is hacked to pieces, it is not expected to ever work
+		// well in its current state. That does not matter as long as the
+		// toolchain it produces passes its own test suite.
+		skip-check = true;
+	};
+
+	inputs = [
+		binutils,
+
+		mpc,
+		zlib,
+		libucontext,
+		kernel-headers,
+	];
+}

internal/rosa/freetype.go

@@ -0,0 +1,27 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+func (t Toolchain) newFreetype() (pkg.Artifact, string) {
+	const (
+		version  = "2.14.3"
+		checksum = "-WfLv8fVJNyCHpP_lriiDzOcVbBL9ajdQ3tl8AzIIUa9-8sVpU9irxOmSMgRHWYz"
+	)
+	return t.NewPackage("freetype", version, newTar(
+		"https://download.savannah.gnu.org/releases/freetype/"+
+			"freetype-"+version+".tar.gz",
+		checksum,
+		pkg.TarGzip,
+	), nil, (*MakeHelper)(nil)), version
+}
+func init() {
+	artifactsM[Freetype] = Metadata{
+		f: Toolchain.newFreetype,
+
+		Name:        "freetype",
+		Description: "a freely available software library to render fonts",
+		Website:     "http://www.freetype.org/",
+
+		ID: 854,
+	}
+}

internal/rosa/git.go

@@ -62,6 +62,7 @@ disable_test t7002-mv-sparse-checkout
 disable_test t1451-fsck-buffer
 disable_test t4104-apply-boundary
 disable_test t4200-rerere
+disable_test t5515-fetch-merge-logic
 `,
 		Check: []string{
 			"-C t",

internal/rosa/glslang.go

@@ -189,9 +189,18 @@ func (t Toolchain) newSPIRVLLVMTranslator() (pkg.Artifact, string) {
 	), &PackageAttr{
 		Patches: []KV{
 			{"remove-early-prefix", `diff --git a/CMakeLists.txt b/CMakeLists.txt
-index c000a77e..86f79b03 100644
+index c000a77e..f18f3fde 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
+@@ -164,7 +164,7 @@ install(
+     ${LLVM_SPIRV_INCLUDE_DIRS}/LLVMSPIRVOpts.h
+     ${LLVM_SPIRV_INCLUDE_DIRS}/LLVMSPIRVExtensions.inc
+   DESTINATION
+-    ${CMAKE_INSTALL_PREFIX}/include/LLVMSPIRVLib
++    include/LLVMSPIRVLib
+ )
+ 
+ configure_file(LLVMSPIRVLib.pc.in ${CMAKE_BINARY_DIR}/LLVMSPIRVLib.pc @ONLY)
 @@ -172,5 +172,5 @@ install(
    FILES
      ${CMAKE_BINARY_DIR}/LLVMSPIRVLib.pc
@@ -199,7 +208,7 @@ index c000a77e..86f79b03 100644
 -    ${CMAKE_INSTALL_PREFIX}/lib${LLVM_LIBDIR_SUFFIX}/pkgconfig
 +    lib${LLVM_LIBDIR_SUFFIX}/pkgconfig
  )
-`},
+;`},
 		},
 
 		// litArgs emits shell syntax

internal/rosa/libepoxy.go

@@ -0,0 +1,33 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+func (t Toolchain) newLibepoxy() (pkg.Artifact, string) {
+	const (
+		version  = "1.5.10"
+		checksum = "OHI8wshrlGw6BMGrmSyejJtwzM2gPhyFJrTsKxULyKMmYrfgcOe7Iw2ibVoUND_Q"
+	)
+	return t.NewPackage("libepoxy", version, newFromGitHub(
+		"anholt/libepoxy",
+		version,
+		checksum,
+	), nil, &MesonHelper{
+		Setup: []KV{
+			{"Dglx", "no"},
+			{"Degl", "no"},
+		},
+	},
+		LibX11,
+	), version
+}
+func init() {
+	artifactsM[Libepoxy] = Metadata{
+		f: Toolchain.newLibepoxy,
+
+		Name:        "libepoxy",
+		Description: "a library for handling OpenGL function pointer management",
+		Website:     "https://github.com/anholt/libepoxy",
+
+		ID: 6090,
+	}
+}

internal/rosa/libtirpc.go

@@ -0,0 +1,44 @@
+package rosa
+
+import (
+	"strings"
+
+	"hakurei.app/internal/pkg"
+)
+
+func (t Toolchain) newLibtirpc() (pkg.Artifact, string) {
+	const (
+		version  = "1.3.7"
+		checksum = "nzFfu7LNvnSNiNAryD1vtnNWnU-Xqee8KqfXUKoBf5yjb5-dkeRkYuRijdCoYLof"
+	)
+	return t.NewPackage("libtirpc", version, t.newTagRemote(
+		"git://linux-nfs.org/~steved/libtirpc",
+		"libtirpc-"+
+			strings.Join(strings.SplitN(version, ".", 3), "-"),
+		checksum,
+	), nil, &MakeHelper{
+		Generate: "sh -e ./bootstrap",
+		Configure: []KV{
+			{"CFLAGS", `"$(pkg-config --cflags libbsd-overlay) ${CFLAGS:-}"`},
+			{"disable-gssapi"},
+		},
+	},
+		Automake,
+		Libtool,
+		PkgConfig,
+
+		Libbsd,
+		KernelHeaders,
+	), version
+}
+func init() {
+	artifactsM[Libtirpc] = Metadata{
+		f: Toolchain.newLibtirpc,
+
+		Name:        "libtirpc",
+		Description: "a port of Suns Transport-Independent RPC library to Linux",
+		Website:     "https://sourceforge.net/projects/libtirpc/",
+
+		ID: 1740,
+	}
+}

internal/rosa/lm-sensors.go

@@ -0,0 +1,59 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+func (t Toolchain) newLMSensors() (pkg.Artifact, string) {
+	const (
+		version  = "3-6-2"
+		checksum = "7JYNutrihe-FP6r3ftf96uFZJJWPfxnBHL0ALSMA-vovaXVRr-sAjlLitw7WWpCI"
+	)
+	return t.NewPackage("lm_sensors", version, newFromGitHub(
+		"lm-sensors/lm-sensors",
+		"V"+version,
+		checksum,
+	), &PackageAttr{
+		Writable:    true,
+		Chmod:       true,
+		EnterSource: true,
+
+		ScriptEarly: `
+ln -s \
+	../../system/bin/perl \
+	/usr/bin/
+`,
+	}, &MakeHelper{
+		InPlace:       true,
+		SkipConfigure: true,
+
+		Make: []string{
+			"CC=cc",
+			"ETCDIR=/system/etc",
+			"PREFIX=/system",
+		},
+
+		Check: []string{
+			"CC=cc",
+			"check",
+		},
+
+		Install: "make DESTDIR=/work PREFIX=/system install",
+	},
+		Perl,
+		PerlTestCmd,
+
+		M4,
+		Bison,
+		Flex,
+	), version
+}
+func init() {
+	artifactsM[LMSensors] = Metadata{
+		f: Toolchain.newLMSensors,
+
+		Name:        "lm_sensors",
+		Description: "user-space support for hardware monitoring drivers",
+		Website:     "https://hwmon.wiki.kernel.org/lm_sensors",
+
+		ID: 1831,
+	}
+}

internal/rosa/mesa.go

@@ -1,6 +1,10 @@
 package rosa
 
-import "hakurei.app/internal/pkg"
+import (
+	"strings"
+
+	"hakurei.app/internal/pkg"
+)
 
 func (t Toolchain) newLibglvnd() (pkg.Artifact, string) {
 	const (
@@ -12,8 +16,22 @@ func (t Toolchain) newLibglvnd() (pkg.Artifact, string) {
 		"glvnd/libglvnd",
 		"v"+version,
 		checksum,
-	), nil, (*MesonHelper)(nil),
+	), nil, &MesonHelper{
+		Setup: []KV{
+			{"Dx11", "enabled"},
+			{"Dglx", "enabled"},
+		},
+		ScriptCompiled: `
+export DISPLAY=':0'
+Xvfb &
+XVFB_PID="$!"
+trap 'kill $XVFB_PID && wait $XVFB_PID' EXIT
+`,
+	},
 		Binutils, // symbols check fail with llvm nm
+		Xserver,  // test suite wants X server
+
+		LibXext,
 	), version
 }
 func init() {
@@ -24,6 +42,10 @@ func init() {
 		Description: "The GL Vendor-Neutral Dispatch library",
 		Website:     "https://gitlab.freedesktop.org/glvnd/libglvnd",
 
+		Dependencies: P{
+			LibXext,
+		},
+
 		ID: 12098,
 	}
 }
@@ -64,3 +86,180 @@ func init() {
 		ID: 1596,
 	}
 }
+
+func (t Toolchain) newLibva() (pkg.Artifact, string) {
+	const (
+		version  = "2.23.0"
+		checksum = "UmF5tPyWIG_w5kiR3KFpoYbF7UUcaak5tyc-RhOheNTwQlLkPlifreFYCM9FQxbq"
+	)
+	return t.NewPackage("libva", version, newFromGitHub(
+		"intel/libva",
+		version,
+		checksum,
+	), nil, &MesonHelper{
+		Setup: []KV{
+			{"Dwith_x11", "yes"},
+			{"Dwith_glx", "yes"},
+			{"Dwith_wayland", "yes"},
+		},
+	},
+		Libdrm,
+		LibXfixes,
+		Libglvnd,
+		Wayland,
+		KernelHeaders,
+	), version
+}
+func init() {
+	artifactsM[Libva] = Metadata{
+		f: Toolchain.newLibva,
+
+		Name:        "libva",
+		Description: "an implementation for VA-API (Video Acceleration API)",
+		Website:     "https://01.org/vaapi",
+
+		Dependencies: P{
+			Libdrm,
+			LibXfixes,
+			Libglvnd,
+			Wayland,
+		},
+
+		ID: 1752,
+	}
+}
+
+func (t Toolchain) newMesa() (pkg.Artifact, string) {
+	const (
+		version  = "26.1.0"
+		checksum = "zU0fjqevySBaoi_5SLW3e2UffmGeBdxOuHmAHTH68n2hV-sjYoqg30koLqFXuk5y"
+	)
+	return t.NewPackage("mesa", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"mesa/mesa",
+		"mesa-"+version,
+		checksum,
+	), nil, &MesonHelper{
+		Setup: []KV{
+			{"Dplatforms", "x11,wayland"},
+			{"Dvideo-codecs", "all"},
+
+			{"Dglvnd", "enabled"},
+			{"Dgbm", "enabled"},
+
+			{"Dgallium-drivers", strings.Join([]string{
+				"asahi",     // Apple AGX
+				"crocus",    // Intel legacy
+				"etnaviv",   // Vivante GPU designs (mostly NXP/Marvell SoCs)
+				"freedreno", // Qualcomm Adreno (all Qualcomm SoCs)
+				"i915",      // Intel extra legacy
+				"iris",      // new Intel (Broadwell+)
+				"lima",      // ARM Mali 4xx
+				"llvmpipe",  // software renderer
+				"nouveau",   // Nvidia
+				"panfrost",  // ARM Mali Midgard and up (T/G series)
+				"r300",      // very old AMD
+				"r600",      // less old AMD
+				"radeonsi",  // new AMD (GCN+)
+				"softpipe",  // older software renderer
+				"svga",      // VMWare virtualized GPU
+				"tegra",     // Nvidia Tegra SoCs
+				"v3d",       // Broadcom VC5 (Raspberry Pi 4)
+				"vc4",       // Broadcom VC4 (Raspberry Pi 0-3)
+				"virgl",     // QEMU virtualized GPU (aka VirGL)
+				"zink",      // generic OpenGL over Vulkan, experimental
+
+				// d3d12: WSL emulated GPU (aka Dozen)
+				// ethosu: accelerator
+				// rocket: accelerator
+			}, ",")},
+
+			{"Dvulkan-drivers", strings.Join([]string{
+				"amd",         // AMD (aka RADV)
+				"broadcom",    // Broadcom VC5 (Raspberry Pi 4, aka V3D)
+				"freedreno",   // Qualcomm Adreno (all Qualcomm SoCs)
+				"intel",       // new Intel (aka ANV)
+				"intel_hasvk", // Intel Haswell/Broadwell, "legacy" Vulkan driver (https://www.phoronix.com/news/Intel-HasVK-Drop-Dead-Code)
+				"panfrost",    // ARM Mali Midgard and up (T/G series)
+				"swrast",      // software renderer (aka Lavapipe)
+				"virtio",      // QEMU virtualized GPU (aka VirGL)
+				"imagination", // PowerVR Rogue
+				"asahi",       // Apple AGX
+				"gfxstream",   // Android virtualized GPU
+
+				// nouveau: Nouveau (aka NVK), requires rust
+				// microsoft-experimental: WSL virtualized GPU (aka DZN/Dozen)
+				// kosmickrisp: macOS-specific
+			}, ",")},
+			{"Dvulkan-layers", strings.Join([]string{
+				"device-select",
+				"intel-nullhw",
+				"overlay",
+				"screenshot",
+				"anti-lag",
+				"vram-report-limit",
+			}, ",")},
+
+			{"Dfreedreno-kmds", "msm,virtio"},
+			{"Damdgpu-virtio", "true"},
+		},
+	},
+		M4,
+		PythonPackaging,
+		PythonMako,
+		PythonPyYAML,
+		PythonPycparser,
+		Glslang,
+		SPIRVLLVMTranslator,
+
+		Zlib,
+		Zstd,
+		Gzip,
+		Ncurses,
+		Libglvnd,
+		Libexpat,
+		Libva,
+		Libdrm,
+		Elfutils,
+		Bison,
+		Flex,
+		LMSensors,
+		Libconfig,
+		LibdisplayInfo,
+		Wayland,
+		WaylandProtocols,
+		Libxshmfence,
+		LibXxf86vm,
+		LibXrandr,
+		LibxcbUtilKeysyms,
+		Libpng,
+		Libarchive,
+		KernelHeaders,
+	), version
+}
+func init() {
+	artifactsM[Mesa] = Metadata{
+		f: Toolchain.newMesa,
+
+		Name:        "mesa",
+		Description: "open source implementations of OpenGL, OpenGL ES, Vulkan, OpenCL, and more",
+		Website:     "https://mesa3d.org",
+
+		Dependencies: P{
+			Libdrm,
+			Elfutils,
+			LMSensors,
+			LibdisplayInfo,
+			Wayland,
+			Libxshmfence,
+			LibXxf86vm,
+			LibXrandr,
+			LibxcbUtilKeysyms,
+			Libpng,
+		},
+
+		ID: 1970,
+
+		latest: (*Versions).getStable,
+	}
+}

internal/rosa/perl.go

@@ -382,3 +382,27 @@ func init() {
 		ID: 3549,
 	}
 }
+
+func (t Toolchain) newPerlTestCmd() (pkg.Artifact, string) {
+	const (
+		version  = "1.09"
+		checksum = "gpGUwyC9IozDiYSgW_kXARNfXsTPFa6cTowJmmCBbPqcs2-pONZca_SB06FGy-7H"
+	)
+	return t.newViaPerlMakeMaker("Test::Cmd", version, newFromCPAN(
+		"NEILB",
+		"Test-Cmd",
+		version,
+		checksum,
+	), nil), version
+}
+func init() {
+	artifactsM[PerlTestCmd] = Metadata{
+		f: Toolchain.newPerlTestCmd,
+
+		Name:        "perl-Test::Cmd",
+		Description: "portable testing of commands and scripts",
+		Website:     "https://metacpan.org/release/Test-Cmd",
+
+		ID: 6014,
+	}
+}

internal/rosa/pixman.go

@@ -0,0 +1,31 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+func (t Toolchain) newPixman() (pkg.Artifact, string) {
+	const (
+		version  = "0.46.4"
+		checksum = "iECDxLG9SxUrvGHqeDoaBa-b3uqdT5DC4zudjtrwb8Wodq82pyacmFNEAo4SDsiE"
+	)
+	return t.NewPackage("pixman", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"pixman/pixman",
+		"pixman-"+version,
+		checksum,
+	), nil, &MesonHelper{
+		Setup: []KV{
+			{"Dtests", "enabled"},
+		},
+	}), version
+}
+func init() {
+	artifactsM[Pixman] = Metadata{
+		f: Toolchain.newPixman,
+
+		Name:        "pixman",
+		Description: "a low-level software library for pixel manipulation",
+		Website:     "https://pixman.org/",
+
+		ID: 3648,
+	}
+}

internal/rosa/x.go

@@ -186,12 +186,12 @@ func init() {
 	}
 }
 
-func (t Toolchain) newXCBUtilKeysyms() (pkg.Artifact, string) {
+func (t Toolchain) newLibxcbUtilKeysyms() (pkg.Artifact, string) {
 	const (
 		version  = "0.4.1"
 		checksum = "-EEje12UEjtFBuIjb6Fy4cxEghV20BXwQ1BLvhtvSuVcrFkp_X-ZHRM48wAspXZ4"
 	)
-	return t.NewPackage("xcb-util-keysyms", version, newTar(
+	return t.NewPackage("libxcb-util-keysyms", version, newTar(
 		"https://xcb.freedesktop.org/dist/xcb-util-keysyms-"+version+".tar.gz",
 		checksum,
 		pkg.TarGzip,
@@ -202,10 +202,10 @@ func (t Toolchain) newXCBUtilKeysyms() (pkg.Artifact, string) {
 	), version
 }
 func init() {
-	artifactsM[XCBUtilKeysyms] = Metadata{
+	artifactsM[LibxcbUtilKeysyms] = Metadata{
-		f: Toolchain.newXCBUtilKeysyms,
+		f: Toolchain.newLibxcbUtilKeysyms,
 
-		Name:        "xcb-util-keysyms",
+		Name:        "libxcb-util-keysyms",
 		Description: "standard X key constants and conversion to/from keycodes",
 		Website:     "https://gitlab.freedesktop.org/xorg/lib/libxcb-keysyms",
 
@@ -217,6 +217,135 @@ func init() {
 	}
 }
 
+func (t Toolchain) newLibxcbUtilImage() (pkg.Artifact, string) {
+	const (
+		version  = "0.4.1"
+		checksum = "47pvXmFwaUBZIrJ4CE9xjTQIFyxeqoNAL-DshlB11GZ_jjI3G1a6KF0K7mtBQ1E7"
+	)
+	return t.NewPackage("libxcb-util-image", version, newTar(
+		"https://xcb.freedesktop.org/dist/xcb-util-image-"+version+".tar.gz",
+		checksum,
+		pkg.TarGzip,
+	), nil, (*MakeHelper)(nil),
+		PkgConfig,
+
+		LibxcbUtil,
+	), version
+}
+func init() {
+	artifactsM[LibxcbUtilImage] = Metadata{
+		f: Toolchain.newLibxcbUtilImage,
+
+		Name:        "libxcb-util-image",
+		Description: "XCB port of Xlib's XImage and XShmImage functions",
+		Website:     "https://gitlab.freedesktop.org/xorg/lib/libxcb-image",
+
+		Dependencies: P{
+			LibxcbUtil,
+		},
+
+		ID: 5168,
+	}
+}
+
+func (t Toolchain) newLibxcbUtilWM() (pkg.Artifact, string) {
+	const (
+		version  = "0.4.2"
+		checksum = "g0VZgMU9hcIgyXb3XxBR9xqsvUMBd9qt_Dbmwoj2h5y24pODr_S_D0DhRsuXUNjF"
+	)
+	return t.NewPackage("libxcb-util-wm", version, newTar(
+		"https://xcb.freedesktop.org/dist/xcb-util-wm-"+version+".tar.gz",
+		checksum,
+		pkg.TarGzip,
+	), nil, (*MakeHelper)(nil),
+		M4,
+		PkgConfig,
+
+		XCB,
+	), version
+}
+func init() {
+	artifactsM[LibxcbUtilWM] = Metadata{
+		f: Toolchain.newLibxcbUtilWM,
+
+		Name:        "libxcb-util-wm",
+		Description: "XCB client and window-manager helpers for ICCCM & EWMH",
+		Website:     "https://gitlab.freedesktop.org/xorg/lib/libxcb-wm",
+
+		Dependencies: P{
+			XCB,
+		},
+
+		ID: 5170,
+	}
+}
+
+func (t Toolchain) newLibxcbUtil() (pkg.Artifact, string) {
+	const (
+		version  = "0.4.1"
+		checksum = "YMXGQUQbF6PoEAGflvYnJYsLWjti6sL_ifY47wIXTNGVM3tQ8u41nkBYN4K1D5CD"
+	)
+	return t.NewPackage("libxcb-util", version, newTar(
+		"https://www.x.org/releases/individual/xcb/"+
+			"xcb-util-"+version+".tar.gz",
+		checksum,
+		pkg.TarGzip,
+	), nil, (*MakeHelper)(nil),
+		PkgConfig,
+
+		utilMacros,
+		XCB,
+	), version
+}
+func init() {
+	artifactsM[LibxcbUtil] = Metadata{
+		f: Toolchain.newLibxcbUtil,
+
+		Name:        "libxcb-util",
+		Description: "XCB utility libraries",
+		Website:     "https://gitlab.freedesktop.org/xorg/lib/libxcb-util",
+
+		Dependencies: P{
+			XCB,
+		},
+
+		ID: 5165,
+	}
+}
+
+func (t Toolchain) newLibxcbRenderUtil() (pkg.Artifact, string) {
+	const (
+		version  = "0.3.10"
+		checksum = "n08L8PyCoOd7v2vb6fSVq5Pq6JtteXVh9K2wrQMTNwGMf_Fjpi6i3HWF-TMFSVTI"
+	)
+	return t.NewPackage("libxcb-render-util", version, newTar(
+		"https://www.x.org/releases/individual/xcb/"+
+			"xcb-util-renderutil-"+version+".tar.gz",
+		checksum,
+		pkg.TarGzip,
+	), nil, (*MakeHelper)(nil),
+		PkgConfig,
+
+		utilMacros,
+		XCB,
+	), version
+}
+func init() {
+	artifactsM[LibxcbRenderUtil] = Metadata{
+		f: Toolchain.newLibxcbRenderUtil,
+
+		Name:        "libxcb-render-util",
+		Description: "XCB convenience functions for the Render extension",
+		Website:     "https://gitlab.freedesktop.org/xorg/lib/libxcb-render-util",
+
+		Dependencies: P{
+			XCB,
+		},
+
+		ID: 5169,
+	}
+}
+
 func (t Toolchain) newLibX11() (pkg.Artifact, string) {
 	const (
 		version  = "1.8.13"
@@ -298,6 +427,44 @@ func init() {
 	}
 }
 
+func (t Toolchain) newLibXfixes() (pkg.Artifact, string) {
+	const (
+		version  = "6.0.2"
+		checksum = "_-kJfKZ7cE3NNeMr6NLSXCmsyP7MVEHVPLNfxatz2qBy3_fZJvPMQwZNOC9y6V5L"
+	)
+	return t.NewPackage("libXfixes", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xorg/lib/libxfixes",
+		"libXfixes-"+version,
+		checksum,
+	), nil, &MakeHelper{
+		Generate: "NOCONFIGURE=1 ./autogen.sh",
+	},
+		Automake,
+		Libtool,
+		PkgConfig,
+
+		utilMacros,
+		XorgProto,
+		LibX11,
+	), version
+}
+func init() {
+	artifactsM[LibXfixes] = Metadata{
+		f: Toolchain.newLibXfixes,
+
+		Name:        "libXfixes",
+		Description: "Xlib-based library for the XFIXES Extension",
+		Website:     "https://www.freedesktop.org/wiki/Software/FixesExt/",
+
+		Dependencies: P{
+			LibX11,
+		},
+
+		ID: 1775,
+	}
+}
+
 func (t Toolchain) newLibXrender() (pkg.Artifact, string) {
 	const (
 		version  = "0.9.12"
@@ -446,6 +613,264 @@ func init() {
 	}
 }
 
+func (t Toolchain) newFontUtil() (pkg.Artifact, string) {
+	const (
+		version  = "1.4.2"
+		checksum = "YWiaIxkq-N2yNdbGa_RF1S0UkQq6xsgoRT73WZP2DOmyH_CJ0TAkpQjId657MQmh"
+	)
+	return t.NewPackage("font-util", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xorg/font/util",
+		"font-util-"+version,
+		checksum,
+	), nil, &MakeHelper{
+		Generate: "NOCONFIGURE=1 ./autogen.sh",
+	},
+		Automake,
+		Libtool,
+		PkgConfig,
+
+		utilMacros,
+	), version
+}
+func init() {
+	artifactsM[FontUtil] = Metadata{
+		f: Toolchain.newFontUtil,
+
+		Name:        "font-util",
+		Description: "X.Org font package creation/installation utilities",
+		Website:     "https://gitlab.freedesktop.org/xorg/font/util",
+
+		ID: 15055,
+	}
+}
+
+func (t Toolchain) newLibfontenc() (pkg.Artifact, string) {
+	const (
+		version  = "1.1.9"
+		checksum = "XqosXfbVwaoYzG9vVyRCl3eatwjASoJdLZsxQ37NN8S_jTyqNmbxpRSJGImJj7RS"
+	)
+	return t.NewPackage("libfontenc", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xorg/lib/libfontenc",
+		"libfontenc-"+version,
+		checksum,
+	), nil, &MakeHelper{
+		Generate: "NOCONFIGURE=1 ./autogen.sh",
+	},
+		Automake,
+		Libtool,
+		PkgConfig,
+
+		utilMacros,
+		FontUtil,
+		XorgProto,
+	), version
+}
+func init() {
+	artifactsM[Libfontenc] = Metadata{
+		f: Toolchain.newLibfontenc,
+
+		Name:        "libfontenc",
+		Description: "X font encoding library",
+		Website:     "https://gitlab.freedesktop.org/xorg/lib/libfontenc",
+
+		ID: 1613,
+	}
+}
+
+func (t Toolchain) newLibxkbfile() (pkg.Artifact, string) {
+	const (
+		version  = "1.2.0"
+		checksum = "WUtph1ab0AyATahlwljchBxZJcpjYrjyhCK9DW2VO0uXEXaN22GWmUaibcA83i_B"
+	)
+	return t.NewPackage("libxkbfile", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xorg/lib/libxkbfile",
+		"libxkbfile-"+version,
+		checksum,
+	), nil, (*MesonHelper)(nil),
+		LibX11,
+	), version
+}
+func init() {
+	artifactsM[Libxkbfile] = Metadata{
+		f: Toolchain.newLibxkbfile,
+
+		Name:        "libxkbfile",
+		Description: "XKB file handling routines",
+		Website:     "http://www.x.org/wiki/XKB",
+
+		Dependencies: P{
+			LibX11,
+		},
+
+		ID: 1781,
+	}
+}
+
+func (t Toolchain) newXkbcomp() (pkg.Artifact, string) {
+	const (
+		version  = "1.5.0"
+		checksum = "ttICW8ZPbljI-nw2kknvxFhwFoDK40iAMBeZDLAHYsHf3B6UPO_zc9TpzZYRRyZH"
+	)
+	return t.NewPackage("xkbcomp", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xorg/app/xkbcomp",
+		"xkbcomp-"+version,
+		checksum,
+	), nil, &MakeHelper{
+		Generate: "NOCONFIGURE=1 ./autogen.sh",
+	},
+		Automake,
+		Libtool,
+		PkgConfig,
+		Bison,
+
+		utilMacros,
+		Libxkbfile,
+	), version
+}
+func init() {
+	artifactsM[Xkbcomp] = Metadata{
+		f: Toolchain.newXkbcomp,
+
+		Name:        "xkbcomp",
+		Description: "XKB keyboard description compiler",
+		Website:     "http://www.x.org/wiki/XKB",
+
+		Dependencies: P{
+			Libxkbfile,
+		},
+
+		ID: 15018,
+	}
+}
+
+func (t Toolchain) newLibXfont2() (pkg.Artifact, string) {
+	const (
+		version  = "2.0.7"
+		checksum = "jv9BZNA02493KB8j1lfAErF5SA3ZFcAhm3_UVJ--Bp1maz-vNprl_wXpkHApBi9M"
+	)
+	return t.NewPackage("libXfont2", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xorg/lib/libxfont",
+		"libXfont2-"+version,
+		checksum,
+	), nil, &MakeHelper{
+		Generate: "NOCONFIGURE=1 ./autogen.sh",
+	},
+		Automake,
+		Libtool,
+		PkgConfig,
+
+		utilMacros,
+		Freetype,
+		XorgProto,
+		Libxtrans,
+		Libfontenc,
+	), version
+}
+func init() {
+	artifactsM[LibXfont2] = Metadata{
+		f: Toolchain.newLibXfont2,
+
+		Name:        "libXfont2",
+		Description: "X font handling library for server & utilities",
+		Website:     "https://gitlab.freedesktop.org/xorg/lib/libxfont",
+
+		Dependencies: P{
+			Freetype,
+			Libfontenc,
+		},
+
+		ID: 17165,
+	}
+}
+
+func (t Toolchain) newLibxcvt() (pkg.Artifact, string) {
+	const (
+		version  = "0.1.3"
+		checksum = "IfIA7SxlHMWh681e1AgYmZcRAfkZd5LlzmqcMRifNY5nNVRrUx_wnoaidAv0Yu03"
+	)
+	return t.NewPackage("libxcvt", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xorg/lib/libxcvt",
+		"libxcvt-"+version,
+		checksum,
+	), nil, (*MesonHelper)(nil)), version
+}
+func init() {
+	artifactsM[Libxcvt] = Metadata{
+		f: Toolchain.newLibxcvt,
+
+		Name:        "libxcvt",
+		Description: "VESA CVT standard timing modeline generation library & utility",
+		Website:     "https://gitlab.freedesktop.org/xorg/lib/libxcvt",
+
+		ID: 235147,
+	}
+}
+
+func (t Toolchain) newLibXdmcp() (pkg.Artifact, string) {
+	const (
+		version  = "1.1.5"
+		checksum = "N6AJSv9pmeBedFn8KuSIOUGvTken4rkypNWVE2KfPlliwkfIbhfXrt5YHZkBMUHp"
+	)
+	return t.NewPackage("libXdmcp", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xorg/lib/libxdmcp",
+		"libXdmcp-"+version,
+		checksum,
+	), nil, &MakeHelper{
+		Generate: "NOCONFIGURE=1 ./autogen.sh",
+	},
+		Automake,
+		Libtool,
+		PkgConfig,
+
+		utilMacros,
+		XorgProto,
+	), version
+}
+func init() {
+	artifactsM[LibXdmcp] = Metadata{
+		f: Toolchain.newLibXdmcp,
+
+		Name:        "libXdmcp",
+		Description: "X Display Manager Control Protocol library",
+		Website:     "https://gitlab.freedesktop.org/xorg/lib/libxdmcp",
+
+		ID: 1772,
+	}
+}
+
+func (t Toolchain) newXkeyboardConfig() (pkg.Artifact, string) {
+	const (
+		version  = "2.47"
+		checksum = "E03PsPIaRrxPAuKgDGSQyPiJB49wXtyyvdV0lVx3_G-pelMMlaFLkoTDHTHG_qgA"
+	)
+	return t.NewPackage("xkeyboard-config", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xkeyboard-config/xkeyboard-config",
+		"xkeyboard-config-"+version,
+		checksum,
+	), nil, (*MesonHelper)(nil),
+		Perl,
+	), version
+}
+func init() {
+	artifactsM[XkeyboardConfig] = Metadata{
+		f: Toolchain.newXkeyboardConfig,
+
+		Name:        "xkeyboard-config",
+		Description: "the non-arch keyboard configuration database for X Window",
+		Website:     "https://www.freedesktop.org/wiki/Software/XKeyboardConfig/",
+
+		ID: 5191,
+	}
+}
+
 func (t Toolchain) newLibpciaccess() (pkg.Artifact, string) {
 	const (
 		version  = "0.19"
@@ -477,3 +902,87 @@ func init() {
 		ID: 1703,
 	}
 }
+
+func (t Toolchain) newXserver() (pkg.Artifact, string) {
+	const (
+		version  = "21.1.22"
+		checksum = "prLT2wKecBu5m9w1ThgIt0GvenNpjKXoOyvTiMA1oQTlP0QHh6QiWsdvH3OmUwNo"
+	)
+	return t.NewPackage("xserver", version, newFromGitLab(
+		"gitlab.freedesktop.org",
+		"xorg/xserver",
+		"xorg-server-"+version,
+		checksum,
+	), nil, &MesonHelper{
+		Setup: []KV{
+			{"Dxorg", "true"},
+			{"Dxephyr", "true"},
+			{"Dxnest", "true"},
+			{"Dipv6", "false"},
+
+			{"Dudev", "false"},
+			{"Dudev_kms", "false"},
+			{"Dglx", "false"},
+			// ../../usr/src/xserver/glamor/glamor_glx.c:24:10: fatal error: 'epoxy/glx.h' file not found
+			{"Dglamor", "false"},
+		},
+	},
+		Gawk,
+
+		XorgProto,
+		Libxtrans,
+		Libxshmfence,
+		Pixman,
+		Libbsd,
+		Xkbcomp,
+		XkeyboardConfig,
+		LibXfont2,
+		DBus,
+		FontUtil,
+		Libxcvt,
+		LibXext,
+		Libmd,
+		LibXdmcp,
+		Libtirpc,
+		Libepoxy,
+		LibxcbUtil,
+		LibxcbUtilImage,
+		LibxcbUtilWM,
+		LibxcbUtilKeysyms,
+		LibxcbRenderUtil,
+		Libpciaccess,
+		KernelHeaders,
+	), version
+}
+func init() {
+	artifactsM[Xserver] = Metadata{
+		f: Toolchain.newXserver,
+
+		Name:        "xserver",
+		Description: "X server",
+		Website:     "https://gitlab.freedesktop.org/xorg/xserver",
+
+		Dependencies: P{
+			Xkbcomp,
+			XkeyboardConfig,
+
+			XCB,
+			Pixman,
+			Libmd,
+			Libbsd,
+			Libtirpc,
+			Libxcvt,
+			LibXdmcp,
+			LibXfont2,
+			Libpciaccess,
+
+			// Xephyr
+			LibxcbUtilImage,
+			LibxcbUtilWM,
+			LibxcbUtilKeysyms,
+			LibxcbRenderUtil,
+		},
+
+		ID: 5250,
+	}
+}