1 files changed, 44 insertions, 0 deletions
diff --git a/internal/app/spruntime.go b/internal/app/spruntime.go
new file mode 100644
index 00000000..c2e5518d
--- /dev/null
+++ b/internal/app/spruntime.go
@@ -0,0 +1,44 @@
+package app
+
+import (
+	"hakurei.app/container"
+	"hakurei.app/hst"
+	"hakurei.app/system"
+	"hakurei.app/system/acl"
+)
+
+// spRuntimeOp sets up XDG_RUNTIME_DIR inside the container.
+type spRuntimeOp struct{}
+
+func (s spRuntimeOp) toSystem(state *outcomeStateSys, _ *hst.Config) error {
+	runtimeDir, runtimeDirInst := s.commonPaths(state.outcomeState)
+	state.sys.Ensure(runtimeDir, 0700)
+	state.sys.UpdatePermType(system.User, runtimeDir, acl.Execute)
+	state.sys.Ensure(runtimeDirInst, 0700)
+	state.sys.UpdatePermType(system.User, runtimeDirInst, acl.Read, acl.Write, acl.Execute)
+	return nil
+}
+
+func (s spRuntimeOp) toContainer(state *outcomeStateParams) error {
+	const (
+		xdgRuntimeDir   = "XDG_RUNTIME_DIR"
+		xdgSessionClass = "XDG_SESSION_CLASS"
+		xdgSessionType  = "XDG_SESSION_TYPE"
+	)
+
+	state.runtimeDir = container.AbsFHSRunUser.Append(state.mapuid.String())
+	state.env[xdgRuntimeDir] = state.runtimeDir.String()
+	state.env[xdgSessionClass] = "user"
+	state.env[xdgSessionType] = "tty"
+
+	_, runtimeDirInst := s.commonPaths(state.outcomeState)
+	state.params.Tmpfs(container.AbsFHSRunUser, 1<<12, 0755)
+	state.params.Bind(runtimeDirInst, state.runtimeDir, container.BindWritable)
+	return nil
+}
+
+func (s spRuntimeOp) commonPaths(state *outcomeState) (runtimeDir, runtimeDirInst *container.Absolute) {
+	runtimeDir = state.sc.SharePath.Append("runtime")
+	runtimeDirInst = runtimeDir.Append(state.identity.String())
+	return
+}