cmd/app: high-level app configuration syntax

This replaces the nixos module. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-06-17 01:29:47 +09:00
parent f46a0370a7
commit 323dcb2820
4 changed files with 424 additions and 0 deletions
@@ -0,0 +1,152 @@
+package main
+
+import (
+	"reflect"
+	"strings"
+	"testing"
+
+	"hakurei.app/check"
+	"hakurei.app/fhs"
+	"hakurei.app/hst"
+)
+
+func TestParse(t *testing.T) {
+	t.Parallel()
+
+	base := fhs.AbsProc.Append("nonexistent")
+	testCases := []struct {
+		name string
+		data string
+		want *hst.Config
+		err  error
+	}{
+		{"com.discordapp.Discord", `8
+exec Discord --ozone-platform-hint=wayland
+
+gpu
+wayland
+dbus
+system_bus
+pipewire
+userns
+net
+mapuid
+
+share_runtime
+share_tmpdir
+
+group media_rw
+env ELECTRON_TRASH=gio
+rw "/sdcard"
+; remove before reusing
+ro "/bin\x00/.hakurei/bin"
+
+talk org.kde.StatusNotifierWatcher
+talk com.canonical.AppMenu.Registrar
+talk com.canonical.indicator.application
+talk com.canonical.Unity
+`, &hst.Config{
+			Identity:    8,
+			ID:          "com.discordapp.Discord",
+			Enablements: new(hst.EWayland | hst.EDBus | hst.EPipeWire),
+			Groups:      []string{"media_rw"},
+
+			SessionBus: &hst.BusConfig{
+				Talk: []string{
+					"org.kde.StatusNotifierWatcher",
+					"com.canonical.AppMenu.Registrar",
+					"com.canonical.indicator.application",
+					"com.canonical.Unity",
+				},
+				Own: []string{
+					"com.discordapp.Discord.*",
+					"org.mpris.MediaPlayer2.com.discordapp.Discord.*",
+				},
+				Filter: true,
+			},
+			SystemBus: &hst.BusConfig{Filter: true},
+
+			Container: &hst.ContainerConfig{
+				Env: map[string]string{
+					"ELECTRON_TRASH": "gio",
+				},
+				Filesystem: []hst.FilesystemConfigJSON{
+					{FilesystemConfig: &hst.FSOverlay{
+						Target: fhs.AbsRoot,
+						Lower: []*check.Absolute{
+							base.Append("template", "initial"),
+							base.Append("template", "upper"),
+						},
+					}},
+					{FilesystemConfig: &hst.FSBind{
+						Target: hst.AbsPrivateTmp.Append("home"),
+						Source: base.Append("state", "com.discordapp.Discord"),
+						Write:  true,
+						Ensure: true,
+					}},
+
+					{FilesystemConfig: &hst.FSEphemeral{
+						Target: fhs.AbsVar.Append("tmp"),
+						Write:  true,
+						Perm:   01777,
+					}},
+
+					{FilesystemConfig: &hst.FSBind{Source: fhs.AbsSys.Append("block")}},
+					{FilesystemConfig: &hst.FSBind{Source: fhs.AbsSys.Append("bus")}},
+					{FilesystemConfig: &hst.FSBind{Source: fhs.AbsSys.Append("class")}},
+					{FilesystemConfig: &hst.FSBind{Source: fhs.AbsSys.Append("dev")}},
+					{FilesystemConfig: &hst.FSBind{Source: fhs.AbsSys.Append("devices")}},
+
+					{FilesystemConfig: &hst.FSBind{
+						Source: check.MustAbs("/sdcard"),
+						Write:  true,
+					}},
+					{FilesystemConfig: &hst.FSBind{
+						Target: check.MustAbs("/.hakurei/bin"),
+						Source: check.MustAbs("/bin"),
+					}},
+
+					{FilesystemConfig: &hst.FSBind{
+						Source:   fhs.AbsDev.Append("dri"),
+						Device:   true,
+						Optional: true,
+					}},
+				},
+
+				Username: "chronos",
+				Shell:    fhs.AbsRoot.Append("bin", "zsh"),
+				Home:     hst.AbsPrivateTmp.Append("home"),
+				Path:     fhs.AbsRoot.Append("bin", "zsh"),
+				Args: []string{
+					"zsh", "-c",
+					"exec Discord --ozone-platform-hint=wayland",
+				},
+
+				Flags: hst.FUserns | hst.FHostNet | hst.FMapRealUID |
+					hst.FShareRuntime | hst.FShareTmpdir,
+			},
+		}, nil},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			got, err := parse(
+				tc.name,
+				base,
+				strings.NewReader(tc.data),
+			)
+
+			if !reflect.DeepEqual(err, tc.err) {
+				t.Errorf("parse: error = %v, want %v", err, tc.err)
+			}
+			if err != nil {
+				return
+			}
+
+			if !reflect.DeepEqual(got, tc.want) {
+				t.Errorf("parse: %#v, want %#v", got, tc.want)
+			}
+		})
+	}
+}